'use client';

import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
import { useParams } from 'next/navigation';
import api from '@/lib/api';
import { queryKeys } from '@/lib/query-keys';
import { notify } from '@/lib/notify';
import type { Application, Deployment, ResourceUsage, ClusterPublic, ClusterPoolPublic, AppSnapshot, K8sRevisionData, K8sRevision, OptionalServiceCredentials, Invoice } from '@/types';
import { useState, useRef, useCallback, useEffect } from 'react';
import { Link as NextLink } from '@/i18n/Link';
import { useT, useLocale } from '@/i18n/I18nProvider';
import { useLocalizedRouter } from '@/i18n/navigation';
import { Hexagon, Rocket, Play, Square, RotateCw, Globe, Package, Server, Scale, CheckCircle, Clock, XCircle, AlertCircle, Link, GitBranch, KeyRound, FolderUp, BarChart3, ChevronDown, FileText, Monitor, Hammer, Settings, RefreshCw, Upload, Circle, Pin, Database, Eye, EyeOff, Copy, Check, History, Download, RotateCcw, Camera, Trash2, Archive, Zap, Wallet, CreditCard, AlertTriangle, ScrollText } from 'lucide-react';
import { ServiceExternalAccessPanel } from '@/components/service-external-access-panel';
import { WorkloadLogsPanel } from '@/components/workload-logs-panel';
import { DeletingModal } from '@/components/deleting-modal';
import { useApplicationDelete } from '@/lib/use-application-delete';
import { isApplicationProduct, isManagedProduct } from '@/lib/product-type';
import { useConfirm } from '@/components/confirm-modal';
import { useAuthStore } from '@/lib/store';
import { useDeployProgressActions } from '@/lib/use-deploy-progress-actions';
import { useDeployProgressStore } from '@/lib/deploy-progress-store';
import { Select } from '@/components/ui/select';

/** Matches backend multipart limit for POST /applications/:id/upload */
const MAX_SOURCE_ARCHIVE_BYTES = 10 * 1024 ** 3;

type UpgradePayload = {
  cpuRequest?: string;
  cpuLimit?: string;
  memoryRequest?: string;
  memoryLimit?: string;
  replicas?: number;
  dbStorageSize?: string;
  appStorageSize?: string;
  redisResources?: {
    cpuRequest?: string;
    cpuLimit?: string;
    memoryRequest?: string;
    memoryLimit?: string;
    storageGi?: number;
  };
  rabbitmqResources?: {
    cpuRequest?: string;
    cpuLimit?: string;
    memoryRequest?: string;
    memoryLimit?: string;
    storageGi?: number;
  };
};

const statusColors: Record<string, string> = {
  running: 'badge-green',
  pending: 'badge-yellow',
  building: 'badge-blue',
  deploying: 'badge-blue',
  failed: 'badge-red',
  build_failed: 'badge-red',
  cancelled: 'badge-gray',
  stopped: 'badge-gray',
};

/**
 * Parse CPU value to millicores (e.g. "100m" → 100, "1" → 1000, "250n" → 0.00025)
 */
function parseCpuToMillicores(cpu: string): number {
  if (!cpu || cpu === '0') return 0;
  if (cpu.endsWith('n')) return parseFloat(cpu) / 1_000_000;
  if (cpu.endsWith('u')) return parseFloat(cpu) / 1_000;
  if (cpu.endsWith('m')) return parseFloat(cpu);
  return parseFloat(cpu) * 1000;
}

/**
 * Parse memory value to MiB (e.g. "128Mi" → 128, "1Gi" → 1024, "131072Ki" → 128)
 */
function parseMemoryToMi(memory: string): number {
  if (!memory || memory === '0') return 0;
  if (memory.endsWith('Ki')) return parseFloat(memory) / 1024;
  if (memory.endsWith('Mi')) return parseFloat(memory);
  if (memory.endsWith('Gi')) return parseFloat(memory) * 1024;
  if (memory.endsWith('Ti')) return parseFloat(memory) * 1024 * 1024;
  // raw bytes
  return parseFloat(memory) / (1024 * 1024);
}

export default function AppDetailPage() {
  const t = useT();
  const ad = t.dashboard.appDetail;
  const locale = useLocale();
  const statusLabel = (st: string) => (t.components.deployStatus as Record<string, string>)[st] ?? st;
  const params = useParams();
  const router = useLocalizedRouter();
  const queryClient = useQueryClient();
  const { notifyDeployStarted } = useDeployProgressActions();
  const confirm = useConfirm();
  const appId = params.id as string;
  const user = useAuthStore((s) => s.user);
  const isAdmin = user?.role === 'admin';
  const fileInputRef = useRef<HTMLInputElement>(null);
  const [uploadProgress, setUploadProgress] = useState(0);
  const [isDragging, setIsDragging] = useState(false);
  const [showResources, setShowResources] = useState(false);
  const [showDbPassword, setShowDbPassword] = useState(false);
  const [copiedField, setCopiedField] = useState<string | null>(null);
  const [dbRestoreLogs, setDbRestoreLogs] = useState<string | null>(null);
  const dbFileInputRef = useRef<HTMLInputElement>(null);
  const [isDraggingDb, setIsDraggingDb] = useState(false);
  const [resourceForm, setResourceForm] = useState({
    cpuRequest: '',
    cpuLimit: '',
    memoryRequest: '',
    memoryLimit: '',
    replicas: 1,
  });
  const [scaleWorkload, setScaleWorkload] = useState<'app' | 'database' | 'redis' | 'rabbitmq'>('app');
  const [resourceFormDirty, setResourceFormDirty] = useState(false);
  const [dbStorageSize, setDbStorageSize] = useState('1');
  const [redisStorageSize, setRedisStorageSize] = useState('1');
  const [rabbitmqStorageSize, setRabbitmqStorageSize] = useState('2');
  const [dbStorageLoading, setDbStorageLoading] = useState(false);
  const [showSnapshots, setShowSnapshots] = useState(false);
  const [downloadingArtifact, setDownloadingArtifact] = useState<'source' | 'wp-content' | 'database' | null>(null);
  const [snapshotTab, setSnapshotTab] = useState<'revisions' | 'snapshots'>('revisions');
  const [showRenewalModal, setShowRenewalModal] = useState(false);
  const [selectedCycle, setSelectedCycle] = useState<'hourly' | 'monthly' | 'yearly'>('monthly');
  const [renewCoupon, setRenewCoupon] = useState('');
  const [showUpgradeConfirm, setShowUpgradeConfirm] = useState(false);
  const [upgradeCostData, setUpgradeCostData] = useState<{
    proratedAmount: number;
    remainingHours: number;
    currentCost: { hourly: number };
    newCost: { hourly: number };
  } | null>(null);
  const [pendingUpgradePayload, setPendingUpgradePayload] = useState<UpgradePayload | null>(null);

  // ── Custom Domain ──────────────────────────────────
  const [showDomainSetup, setShowDomainSetup] = useState(false);
  const [customDomainInput, setCustomDomainInput] = useState('');

  const [showServiceSecrets, setShowServiceSecrets] = useState(false);

  const { data: app, isLoading } = useQuery<Application>({
    queryKey: ['application', appId],
    queryFn: () => api.get(`/applications/${appId}`).then((r) => r.data),
  });

  useEffect(() => {
    if (app && isManagedProduct(app)) {
      router.replace(`/dashboard/services/${appId}`);
    }
  }, [app, appId, router]);

  useEffect(() => {
    if (!app) return;
    if (scaleWorkload === 'database' && app.databaseType === 'none') setScaleWorkload('app');
    else if (scaleWorkload === 'redis' && !app.enableRedis) setScaleWorkload('app');
    else if (scaleWorkload === 'rabbitmq' && !app.enableRabbitmq) setScaleWorkload('app');
  }, [app, scaleWorkload]);

  const { data: deployments = [] } = useQuery<Deployment[]>({
    queryKey: ['deployments', appId],
    queryFn: () => api.get(`/deployments/applications/${appId}`).then((r) => r.data),
    refetchInterval: 5000, // Poll for status updates
  });

  const { data: serviceCredentials } = useQuery<OptionalServiceCredentials>({
    queryKey: ['service-credentials', appId],
    queryFn: () => api.get(`/applications/${appId}/service-credentials`).then((r) => r.data),
    enabled: !!app?.latestImageTag && (!!app?.enableRedis || !!app?.enableRabbitmq),
  });

  const { data: resourceUsage, isLoading: resourcesLoading } = useQuery<ResourceUsage>({
    queryKey: ['resources', appId],
    queryFn: () => api.get(`/applications/${appId}/resources`).then((r) => r.data),
    enabled: showResources,
    refetchInterval: showResources ? 5000 : false,
  });

  const { data: clusters = [] } = useQuery<ClusterPublic[]>({
    queryKey: ['clusters-public'],
    queryFn: () => api.get('/clusters/public').then((r) => r.data),
    enabled: isAdmin,
  });

  const { data: pools = [] } = useQuery<ClusterPoolPublic[]>({
    queryKey: ['pools-public'],
    queryFn: () => api.get('/clusters/pools/public').then((r) => r.data),
    enabled: isAdmin,
  });

  // Fetch DB storage size
  const { data: dbStorageData } = useQuery<{ currentSize: string; savedSize: string }>({
    queryKey: ['db-storage', appId],
    queryFn: () => api.get(`/applications/${appId}/db-storage`).then((r) => r.data),
    enabled: !!app && app.databaseType !== 'none',
  });

  // Sync dbStorageSize state when data loads
  useEffect(() => {
    if (dbStorageData?.currentSize) {
      const sizeNum = parseInt(dbStorageData.currentSize.replace('Gi', ''), 10) || 1;
      setDbStorageSize(String(sizeNum));
    }
  }, [dbStorageData]);

  // Fetch comprehensive storage usage (allocated/used/available)
  interface StorageUsageSlice {
    allocatedRaw: string;
    allocatedGi: number;
    usedGi: number;
    availableGi: number;
    usedPercent: number;
  }
  interface StorageUsageData {
    database: StorageUsageSlice | null;
    appStorage: StorageUsageSlice | null;
    redisStorage?: StorageUsageSlice | null;
    rabbitmqStorage?: StorageUsageSlice | null;
    totalAllocatedGb?: number;
    totalUsedGb?: number;
    configured?: { dbStorageSize: string; appStorageSize: string };
  }
  const { data: storageUsage, isLoading: storageUsageLoading } = useQuery<StorageUsageData>({
    queryKey: ['storage-usage', appId],
    queryFn: () => api.get(`/applications/${appId}/storage`).then((r) => r.data),
    enabled: showResources && !!app,
    refetchInterval: showResources ? 15000 : false,
  });

  // App storage expansion state
  const [appStorageSize, setAppStorageSize] = useState('2');
  useEffect(() => {
    if (app?.appStorageSize) {
      const sizeNum = parseInt(app.appStorageSize.replace('Gi', ''), 10) || 2;
      setAppStorageSize(String(sizeNum));
    }
  }, [app?.appStorageSize]);

  useEffect(() => {
    if (storageUsage?.redisStorage) {
      setRedisStorageSize(String(Math.max(1, Math.round(storageUsage.redisStorage.allocatedGi))));
    }
  }, [storageUsage?.redisStorage?.allocatedGi]);

  useEffect(() => {
    if (storageUsage?.rabbitmqStorage) {
      setRabbitmqStorageSize(String(Math.max(2, Math.round(storageUsage.rabbitmqStorage.allocatedGi))));
    }
  }, [storageUsage?.rabbitmqStorage?.allocatedGi]);

  // ─── Billing & Renewal ──────────────────────────────
  const { data: walletData } = useQuery<{ balance: number }>({
    queryKey: queryKeys.walletBalance,
    queryFn: () => api.get('/billing/wallet').then((r) => r.data),
  });

  const { data: renewalCostData } = useQuery<{
    costs: { hourly: number; monthly: number; yearly: number; currentCycle?: string };
  }>({
    queryKey: ['renewal-cost', appId],
    queryFn: () => api.get(`/billing/applications/${appId}/renewal-cost`).then((r) => r.data),
    enabled: showRenewalModal || (app?.lifecycleStatus === 'suspended' || app?.lifecycleStatus === 'pending_deletion'),
  });

  const renewMutation = useMutation({
    mutationFn: (cycle: string) =>
      api.post(`/billing/applications/${appId}/renew`, {
        cycle,
        couponCode: renewCoupon.trim() || undefined,
      }),
    onSuccess: (res) => {
      notify.success(res.data.message || 'Application renewed successfully!');
      queryClient.invalidateQueries({ queryKey: ['application', appId] });
      queryClient.invalidateQueries({ queryKey: queryKeys.walletBalance });
      setShowRenewalModal(false);
      setRenewCoupon('');
    },
    onError: (err: any) => {
      notify.error(err, 'Failed to renew application');
    },
  });

  const createRenewalInvoiceMutation = useMutation({
    mutationFn: (cycle: string) =>
      api
        .post<Invoice>(`/billing/applications/${appId}/renew/invoice`, {
          cycle,
          couponCode: renewCoupon.trim() || undefined,
        })
        .then((r) => r.data),
    onSuccess: (invoice) => {
      notify.success(ad.invoiceCreated);
      queryClient.invalidateQueries({ queryKey: ['invoices'] });
      setShowRenewalModal(false);
      router.push(`/dashboard/invoices?invoice=${invoice.id}`);
    },
    onError: (err: any) => {
      notify.error(err, 'Failed to create renewal invoice');
    },
  });

  // Check if app needs renewal (expired or suspended)
  const needsRenewal = app?.lifecycleStatus === 'suspended' || app?.lifecycleStatus === 'pending_deletion';
  const isExpiringSoon = app?.planExpiresAt && new Date(app.planExpiresAt) <= new Date(Date.now() + 24 * 60 * 60 * 1000);

  // ─── Custom Domain ──────────────────────────────────
  const { data: domainInfo, refetch: refetchDomainInfo } = useQuery<{
    customDomain: string | null;
    customDomainStatus: string;
    platformDomain: string;
    fullPlatformUrl: string;
    cnameTarget: string;
    instructions: string[];
  }>({
    queryKey: ['domain-info', appId],
    queryFn: () => api.get(`/applications/${appId}/domain`).then((r) => r.data),
    // Always load: we surface the active app domain (platform host included) even
    // when no custom domain is configured, so the platform host must be available.
    enabled: !!app,
  });

  const { data: domainPriceData } = useQuery<{ monthlyPrice: number }>({
    queryKey: ['custom-domain-price'],
    queryFn: () => api.get('/billing/settings/custom-domain-price').then((r) => r.data),
  });

  const setDomainMutation = useMutation({
    mutationFn: (domain: string) => api.post(`/applications/${appId}/domain`, { domain }),
    onSuccess: () => {
      notify.success(ad.domainSet);
      queryClient.invalidateQueries({ queryKey: ['application', appId] });
      refetchDomainInfo();
      setCustomDomainInput('');
    },
    onError: (err: any) => notify.error(err, 'Failed to set domain'),
  });

  const verifyDnsMutation = useMutation({
    mutationFn: () => api.post(`/applications/${appId}/domain/verify`),
    onSuccess: (res) => {
      if (res.data.verified) {
        notify.success(ad.domainVerified);
      } else {
        notify.warning(res.data.message || 'DNS is not ready yet. Please try again later.');
      }
      queryClient.invalidateQueries({ queryKey: ['application', appId] });
      refetchDomainInfo();
    },
    onError: (err: any) => notify.error(err, 'DNS verification failed'),
  });

  const removeDomainMutation = useMutation({
    mutationFn: () => api.delete(`/applications/${appId}/domain`),
    onSuccess: () => {
      notify.success(ad.customDomainRemoved);
      queryClient.invalidateQueries({ queryKey: ['application', appId] });
      refetchDomainInfo();
    },
    onError: (err: any) => notify.error(err, 'Failed to remove domain'),
  });

  // ─── Snapshots ──────────────────────────────────────
  const { data: snapshots = [], isLoading: snapshotsLoading } = useQuery<AppSnapshot[]>({
    queryKey: ['snapshots', appId],
    queryFn: () => api.get(`/snapshots/applications/${appId}`).then((r) => r.data),
    enabled: showSnapshots && snapshotTab === 'snapshots',
    refetchInterval: showSnapshots && snapshotTab === 'snapshots' ? 10000 : false,
  });

  // ─── K8s Revisions (instant rollback) ──────────────
  const { data: revisionData, isLoading: revisionsLoading } = useQuery<K8sRevisionData>({
    queryKey: ['revisions', appId],
    queryFn: () => api.get(`/snapshots/applications/${appId}/revisions`).then((r) => r.data),
    enabled: showSnapshots && snapshotTab === 'revisions',
    refetchInterval: showSnapshots && snapshotTab === 'revisions' ? 10000 : false,
  });

  const revisionRollbackMutation = useMutation({
    mutationFn: (revision: number) => api.post(`/snapshots/applications/${appId}/revisions/${revision}/rollback`),
    onSuccess: (res) => {
      notify.success(res.data.message || 'Rollback completed');
      queryClient.invalidateQueries({ queryKey: ['revisions', appId] });
      queryClient.invalidateQueries({ queryKey: ['application', appId] });
      queryClient.invalidateQueries({ queryKey: ['deployments', appId] });
    },
    onError: (err: any) => notify.error(err, ad.rollbackFailed),
  });

  const handleRevisionRollback = async (rev: K8sRevision) => {
    const ok = await confirm({
      title: ad.rollbackRevTitle.replace('{n}', String(rev.revision)),
      message: ad.rollbackRevMessage
        .replace('{n}', String(rev.revision))
        .replace('{cause}', rev.changeCause ? `\n\n${ad.description}: ${rev.changeCause}` : ''),
      confirmText: ad.rollback,
      variant: 'warning',
    });
    if (ok) revisionRollbackMutation.mutate(rev.revision);
  };

  const createSnapshotMutation = useMutation({
    mutationFn: () => api.post(`/snapshots/applications/${appId}`),
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['snapshots', appId] });
      notify.success(ad.snapshotStarted);
    },
    onError: () => notify.error(ad.snapshotCreateFailed),
  });

  const rollbackMutation = useMutation({
    mutationFn: (snapshotId: string) => api.post(`/snapshots/${snapshotId}/rollback`),
    onSuccess: (res) => {
      const details = res.data.details || [];
      notify.success(ad.rollbackCompleted + details.join('\n'));
      queryClient.invalidateQueries({ queryKey: ['application', appId] });
      queryClient.invalidateQueries({ queryKey: ['deployments', appId] });
    },
    onError: () => notify.error(ad.rollbackFailed),
  });

  const [deletingSnapshotId, setDeletingSnapshotId] = useState<string | null>(null);
  const deleteSnapshotMutation = useMutation({
    mutationFn: (snapshotId: string) => api.delete(`/snapshots/${snapshotId}`),
    onMutate: (snapshotId) => {
      setDeletingSnapshotId(snapshotId);
    },
    onSettled: () => {
      setDeletingSnapshotId(null);
    },
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['snapshots', appId] });
      notify.success(ad.snapshotDeleted);
    },
    onError: () => notify.error(ad.snapshotDeleteFailed),
  });

  const handleRollback = async (snap: AppSnapshot) => {
    const ok = await confirm({
      title: ad.rollbackSnapTitle.replace('{label}', snap.label || ''),
      message: ad.rollbackSnapMessage,
      confirmText: ad.rollback,
      variant: 'warning',
    });
    if (ok) rollbackMutation.mutate(snap.id);
  };

  const handleDeleteSnapshot = async (snap: AppSnapshot) => {
    const ok = await confirm({
      title: ad.deleteSnapshotTitle,
      message: ad.deleteSnapshotMessage.replace('{label}', snap.label || ''),
      confirmText: t.common.delete,
      variant: 'danger',
    });
    if (ok) deleteSnapshotMutation.mutate(snap.id);
  };

  const downloadSnapshotArtifact = (snapshotId: string, artifact: 'source' | 'wp-content' | 'database') => {
    const url = `${api.defaults.baseURL}/snapshots/${snapshotId}/download/${artifact}`;
    const token = localStorage.getItem('accessToken');
    const a = document.createElement('a');
    a.href = url;
    // Use fetch for auth download
    fetch(url, { headers: { Authorization: `Bearer ${token}` } })
      .then((r) => r.blob())
      .then((blob) => {
        const ext = artifact === 'source' ? '.zip' : artifact === 'wp-content' ? '.tar.gz' : '.sql';
        const link = document.createElement('a');
        link.href = URL.createObjectURL(blob);
        link.download = `${artifact}-${snapshotId.slice(0, 8)}${ext}`;
        link.click();
        URL.revokeObjectURL(link.href);
      })
      .catch(() => notify.error(ad.downloadFailed.replace('{name}', artifact)));
  };

  const downloadCurrentArtifact = (artifact: 'source' | 'wp-content' | 'database') => {
    // Prevent duplicate downloads
    if (downloadingArtifact) {
      notify.warning(ad.downloadInProgress);
      return;
    }
    
    setDownloadingArtifact(artifact);
    const url = `${api.defaults.baseURL}/snapshots/applications/${appId}/current/${artifact}`;
    const token = localStorage.getItem('accessToken');
    const timeout = 15 * 60 * 1000; // 15 minutes
    const controller = new AbortController();
    const timeoutId = setTimeout(() => controller.abort(), timeout);
    
    const artifactName = artifact === 'source' ? 'Source Code' : artifact === 'wp-content' ? 'wp-content' : 'Database';
    notify.info(ad.downloading.replace('{name}', artifactName));
    
    fetch(url, { 
      headers: { Authorization: `Bearer ${token}` },
      signal: controller.signal,
    })
      .then((r) => {
        clearTimeout(timeoutId);
        if (!r.ok) throw new Error('Not found');
        return r.blob();
      })
      .then((blob) => {
        const ext = artifact === 'source' ? '.zip' : artifact === 'wp-content' ? '.tar.gz' : '.sql';
        const link = document.createElement('a');
        link.href = URL.createObjectURL(blob);
        link.download = `current-${artifact}${ext}`;
        link.click();
        URL.revokeObjectURL(link.href);
        notify.success(ad.downloadedSuccess.replace('{name}', artifactName));
      })
      .catch((err) => {
        clearTimeout(timeoutId);
        if (err.name === 'AbortError') {
          notify.error(ad.downloadTimeout);
        } else {
          notify.error(ad.downloadCurrentFailed.replace('{name}', artifact));
        }
      })
      .finally(() => {
        setDownloadingArtifact(null);
      });
  };

  const formatBytes = (bytes?: number) => {
    if (!bytes) return '—';
    if (bytes < 1024) return `${bytes} B`;
    if (bytes < 1024 * 1024) return `${(bytes / 1024).toFixed(1)} KB`;
    return `${(bytes / (1024 * 1024)).toFixed(1)} MB`;
  };

  const patchResourceForm = (patch: Partial<typeof resourceForm>) => {
    setResourceFormDirty(true);
    setResourceForm((f) => ({ ...f, ...patch }));
  };

  // Sync form when workload changes or when live metrics refresh — but not while user is editing.
  useEffect(() => {
    setResourceFormDirty(false);
  }, [scaleWorkload]);

  useEffect(() => {
    if (resourceFormDirty) return;

    const workloads = resourceUsage?.workloads;
    const w =
      workloads?.find((x) => x.key === scaleWorkload) ||
      (scaleWorkload === 'app' && resourceUsage?.configured
        ? {
            key: 'app' as const,
            configured: resourceUsage.configured,
          }
        : undefined);
    if (w?.configured) {
      setResourceForm({
        cpuRequest: w.configured.cpuRequest || '',
        cpuLimit: w.configured.cpuLimit || '',
        memoryRequest: w.configured.memoryRequest || '',
        memoryLimit: w.configured.memoryLimit || '',
        replicas: w.configured.replicas ?? 1,
      });
    }
  }, [resourceUsage, scaleWorkload, resourceFormDirty]);

  // Auto-scroll logs to bottom
  const invalidateAll = () => {
    queryClient.invalidateQueries({ queryKey: ['deployments', appId] });
    queryClient.invalidateQueries({ queryKey: ['application', appId] });
    queryClient.invalidateQueries({ queryKey: ['applications'] });
  };

  const deployMutation = useMutation({
    mutationFn: () => api.post(`/deployments/applications/${appId}/deploy`),
    onMutate: () => {
      notifyDeployStarted(appId, app?.name);
    },
    onSuccess: () => {
      invalidateAll();
      notify.success(ad.deploymentTriggered);
    },
    onError: () => {
      useDeployProgressStore.getState().stopTracking(appId);
      notify.error(ad.deployFailed);
    },
  });

  const stopMutation = useMutation({
    mutationFn: () => api.post(`/deployments/applications/${appId}/stop`),
    onSuccess: () => {
      invalidateAll();
      notify.success(ad.appStopped);
    },
    onError: () => notify.error(ad.stopFailed),
  });

  const startMutation = useMutation({
    mutationFn: () => api.post(`/deployments/applications/${appId}/start`),
    onSuccess: () => {
      invalidateAll();
      notify.success(ad.appStarted);
    },
    onError: () => notify.error(ad.startFailed),
  });

  const restartMutation = useMutation({
    mutationFn: () => api.post(`/deployments/applications/${appId}/restart`),
    onSuccess: () => {
      invalidateAll();
      notify.success(ad.appRestarting);
    },
    onError: () => notify.error(ad.restartFailed),
  });

  const redeployMutation = useMutation({
    mutationFn: () => api.post(`/deployments/applications/${appId}/redeploy`),
    onMutate: () => {
      notifyDeployStarted(appId, app?.name);
    },
    onSuccess: () => {
      invalidateAll();
      notify.success(ad.redeployStarted);
    },
    onError: () => {
      useDeployProgressStore.getState().stopTracking(appId);
      notify.error(ad.redeployFailed);
    },
  });

  const { deleteApplication, isAnyDeleting } = useApplicationDelete({
    invalidateKeys: [['applications', 'application'], ['applications']],
    onSuccess: (data) => {
      if (data?.resourceCredit) {
        notify.success(ad.appDeletedCredit);
      } else {
        notify.success(ad.appDeleted);
      }
      router.push('/dashboard/apps');
    },
    onError: () => notify.error(ad.deleteAppFailed),
  });

  const scaleMutation = useMutation({
    mutationFn: (data: UpgradePayload) => api.post(`/billing/applications/${appId}/upgrade`, data),
    onSuccess: (res) => {
      setResourceFormDirty(false);
      invalidateAll();
      queryClient.invalidateQueries({ queryKey: ['resources', appId] });
      queryClient.invalidateQueries({ queryKey: ['storage-usage', appId] });
      queryClient.invalidateQueries({ queryKey: ['db-storage', appId] });
      queryClient.invalidateQueries({ queryKey: queryKeys.walletBalance });
      setShowUpgradeConfirm(false);
      setUpgradeCostData(null);
      setPendingUpgradePayload(null);
      const paidAmount = res.data.paidAmount || 0;
      if (paidAmount > 0) {
        notify.success(ad.upgradedPaid.replace('{amount}', paidAmount.toLocaleString('en-US')));
      } else {
        notify.success(ad.resourcesUpdatedSuccess);
      }
    },
    onError: (err: any) => notify.error(err, ad.updateResourcesFailed),
  });

  /** CPU/memory for DB / Redis / RabbitMQ — applies directly in Kubernetes (no billing wizard). */
  const directPatchResourcesMutation = useMutation({
    mutationFn: (data: {
      workload: 'database' | 'redis' | 'rabbitmq';
      cpuRequest?: string;
      cpuLimit?: string;
      memoryRequest?: string;
      memoryLimit?: string;
    }) => api.patch(`/applications/${appId}/resources`, data),
    onSuccess: () => {
      setResourceFormDirty(false);
      invalidateAll();
      queryClient.invalidateQueries({ queryKey: ['resources', appId] });
      notify.success(ad.resourcesUpdated);
    },
    onError: (err: any) => notify.error(err, ad.updateResourcesFailed),
  });

  // Calculate upgrade cost before applying
  const calculateUpgradeCostMutation = useMutation({
    mutationFn: (data: UpgradePayload) => api.post(`/billing/applications/${appId}/upgrade/calculate`, data),
    onSuccess: (res) => {
      setUpgradeCostData(res.data);
      setShowUpgradeConfirm(true);
    },
    onError: (err: any) => notify.error(err, ad.calcFailed),
  });

  const createUpgradeInvoiceMutation = useMutation({
    mutationFn: (data: UpgradePayload) =>
      api.post<Invoice>(`/billing/applications/${appId}/upgrade/invoice`, data).then((r) => r.data),
    onSuccess: (invoice) => {
      notify.success(ad.invoiceCreated);
      queryClient.invalidateQueries({ queryKey: ['invoices'] });
      setShowUpgradeConfirm(false);
      setUpgradeCostData(null);
      setPendingUpgradePayload(null);
      router.push(`/dashboard/invoices?invoice=${invoice.id}`);
    },
    onError: (err: any) => notify.error(err, ad.invoiceFailed),
  });

  const buildWorkloadUpgradePayload = useCallback((): UpgradePayload => {
    if (!app) return {};
    switch (scaleWorkload) {
      case 'app': {
        const payload: UpgradePayload = {
          cpuRequest: resourceForm.cpuRequest || undefined,
          cpuLimit: resourceForm.cpuLimit || undefined,
          memoryRequest: resourceForm.memoryRequest || undefined,
          memoryLimit: resourceForm.memoryLimit || undefined,
          replicas: resourceForm.replicas,
        };
        const minAppGi = parseInt((app.appStorageSize || '2Gi').replace('Gi', ''), 10) || 2;
        const newAppGi = parseInt(appStorageSize, 10);
        if (newAppGi > minAppGi) payload.appStorageSize = `${newAppGi}Gi`;
        return payload;
      }
      case 'database': {
        const minDbGi =
          parseInt((dbStorageData?.currentSize || app.dbStorageSize || '1Gi').replace('Gi', ''), 10) || 1;
        const newDbGi = parseInt(dbStorageSize, 10);
        if (newDbGi > minDbGi) return { dbStorageSize: `${newDbGi}Gi` };
        return {};
      }
      case 'redis': {
        const prev = app.optionalServiceResources?.redis;
        const minGi = Math.max(1, Math.round(storageUsage?.redisStorage?.allocatedGi ?? prev?.storageGi ?? 1));
        const newGi = parseInt(redisStorageSize, 10);
        return {
          redisResources: {
            cpuRequest: resourceForm.cpuRequest || prev?.cpuRequest,
            cpuLimit: resourceForm.cpuLimit || prev?.cpuLimit,
            memoryRequest: resourceForm.memoryRequest || prev?.memoryRequest,
            memoryLimit: resourceForm.memoryLimit || prev?.memoryLimit,
            storageGi: newGi > minGi ? newGi : (prev?.storageGi ?? minGi),
          },
        };
      }
      case 'rabbitmq': {
        const prev = app.optionalServiceResources?.rabbitmq;
        const minGi = Math.max(2, Math.round(storageUsage?.rabbitmqStorage?.allocatedGi ?? prev?.storageGi ?? 2));
        const newGi = parseInt(rabbitmqStorageSize, 10);
        return {
          rabbitmqResources: {
            cpuRequest: resourceForm.cpuRequest || prev?.cpuRequest,
            cpuLimit: resourceForm.cpuLimit || prev?.cpuLimit,
            memoryRequest: resourceForm.memoryRequest || prev?.memoryRequest,
            memoryLimit: resourceForm.memoryLimit || prev?.memoryLimit,
            storageGi: newGi > minGi ? newGi : (prev?.storageGi ?? minGi),
          },
        };
      }
      default:
        return {};
    }
  }, [
    app,
    scaleWorkload,
    resourceForm,
    appStorageSize,
    dbStorageSize,
    redisStorageSize,
    rabbitmqStorageSize,
    dbStorageData?.currentSize,
    storageUsage?.redisStorage?.allocatedGi,
    storageUsage?.rabbitmqStorage?.allocatedGi,
  ]);

  const patchDatabaseCpuIfNeeded = () => {
    if (scaleWorkload !== 'database') return;
    directPatchResourcesMutation.mutate({
      workload: 'database',
      cpuRequest: resourceForm.cpuRequest || undefined,
      cpuLimit: resourceForm.cpuLimit || undefined,
      memoryRequest: resourceForm.memoryRequest || undefined,
      memoryLimit: resourceForm.memoryLimit || undefined,
    });
  };

  const handleScaleResources = () => {
    if (!app) return;
    if (app.lifecycleStatus && app.lifecycleStatus !== 'active') {
      if (scaleWorkload === 'database') {
        patchDatabaseCpuIfNeeded();
        return;
      }
      notify.warning(ad.renewFirst);
      return;
    }

    const payload = buildWorkloadUpgradePayload();
    const hasBillingPayload = Object.keys(payload).length > 0;
    const needsDbCpuPatch = scaleWorkload === 'database';

    if (!hasBillingPayload && !needsDbCpuPatch) {
      notify.warning(ad.noChanges);
      return;
    }

    if (!app.billingCycle) {
      if (hasBillingPayload) {
        scaleMutation.mutate(payload, {
          onSuccess: () => patchDatabaseCpuIfNeeded(),
        });
      } else {
        patchDatabaseCpuIfNeeded();
      }
      return;
    }

    if (!hasBillingPayload) {
      patchDatabaseCpuIfNeeded();
      return;
    }

    setPendingUpgradePayload(payload);
    calculateUpgradeCostMutation.mutate(payload);
  };

  const confirmUpgradeApply = () => {
    if (!pendingUpgradePayload || !upgradeCostData) return;
    if (upgradeCostData.proratedAmount > 0) {
      createUpgradeInvoiceMutation.mutate(pendingUpgradePayload);
    } else {
      scaleMutation.mutate(pendingUpgradePayload, {
        onSuccess: () => patchDatabaseCpuIfNeeded(),
      });
    }
  };

  const workloadStorageConfig = (): {
    label: string;
    value: string;
    setValue: (v: string) => void;
    minGi: number;
    maxGi: number;
    currentGi: number;
  } | null => {
    if (!app) return null;
    switch (scaleWorkload) {
      case 'app':
        if (!storageUsage?.appStorage) return null;
        return {
          label: 'Application volume',
          value: appStorageSize,
          setValue: setAppStorageSize,
          minGi: parseInt((app.appStorageSize || '2Gi').replace('Gi', ''), 10) || 2,
          maxGi: 100,
          currentGi: storageUsage.appStorage.allocatedGi,
        };
      case 'database':
        if (app.databaseType === 'none' || !storageUsage?.database) return null;
        return {
          label: 'Database volume',
          value: dbStorageSize,
          setValue: setDbStorageSize,
          minGi: parseInt((dbStorageData?.currentSize || app.dbStorageSize || '1Gi').replace('Gi', ''), 10) || 1,
          maxGi: 500,
          currentGi: storageUsage.database.allocatedGi,
        };
      case 'redis':
        if (!app.enableRedis || !storageUsage?.redisStorage) return null;
        return {
          label: 'Redis volume',
          value: redisStorageSize,
          setValue: setRedisStorageSize,
          minGi: Math.max(1, Math.round(storageUsage.redisStorage.allocatedGi)),
          maxGi: 100,
          currentGi: storageUsage.redisStorage.allocatedGi,
        };
      case 'rabbitmq':
        if (!app.enableRabbitmq || !storageUsage?.rabbitmqStorage) return null;
        return {
          label: 'RabbitMQ volume',
          value: rabbitmqStorageSize,
          setValue: setRabbitmqStorageSize,
          minGi: Math.max(2, Math.round(storageUsage.rabbitmqStorage.allocatedGi)),
          maxGi: 100,
          currentGi: storageUsage.rabbitmqStorage.allocatedGi,
        };
      default:
        return null;
    }
  };

  const previewMutation = useMutation({
    mutationFn: () => api.get(`/applications/${appId}/preview`).then((r) => r.data),
    onSuccess: (data: { url: string; nodePort: number; host: string; ingressUrl?: string }) => {
      const targetUrl = data.ingressUrl || data.url;
      window.open(targetUrl, '_blank');
      if (data.ingressUrl) {
        notify.success(ad.previewHttps);
      } else {
        notify.success(ad.previewPort.replace('{port}', String(data.nodePort)));
      }
    },
    onError: () => notify.error(ad.previewFailed),
  });

  const uploadMutation = useMutation({
    mutationFn: (file: File) => {
      const formData = new FormData();
      formData.append('file', file);
      return api.post(`/applications/${appId}/upload`, formData, {
        headers: { 'Content-Type': 'multipart/form-data' },
        onUploadProgress: (e) => {
          if (e.total) setUploadProgress(Math.round((e.loaded * 100) / e.total));
        },
      });
    },
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['application', appId] });
      notify.success(ad.sourceUploaded);
      setUploadProgress(0);
    },
    onError: () => {
      notify.error(ad.uploadFailed);
      setUploadProgress(0);
    },
  });

  const dbUploadMutation = useMutation({
    mutationFn: (file: File) => {
      const formData = new FormData();
      formData.append('file', file);
      return api.post(`/applications/${appId}/db-upload`, formData, {
        headers: { 'Content-Type': 'multipart/form-data' },
      });
    },
    onSuccess: (res) => {
      const data = res.data;
      setDbRestoreLogs(data.logs || null);
      if (data.success) {
        notify.success(ad.dbRestored);
      } else {
        notify.error(ad.dbRestoreFailed);
      }
    },
    onError: (err: any) => {
      notify.error(err, ad.dbUploadFailed);
      setDbRestoreLogs(null);
    },
  });

  const handleFileUpload = useCallback((file: File) => {
    if (!file.name.endsWith('.zip') && !file.name.endsWith('.tar.gz') && !file.name.endsWith('.tgz')) {
      notify.error(ad.fileZipOnly);
      return;
    }
    if (file.size > MAX_SOURCE_ARCHIVE_BYTES) {
      notify.error(ad.fileMax10);
      return;
    }
    uploadMutation.mutate(file);
  }, [uploadMutation]);

  const handleDrop = useCallback((e: React.DragEvent) => {
    e.preventDefault();
    setIsDragging(false);
    const file = e.dataTransfer.files[0];
    if (file) handleFileUpload(file);
  }, [handleFileUpload]);

  const handleDragOver = useCallback((e: React.DragEvent) => {
    e.preventDefault();
    setIsDragging(true);
  }, []);

  const handleDragLeave = useCallback(() => {
    setIsDragging(false);
  }, []);

  const handleDbFileUpload = useCallback((file: File) => {
    if (!file.name.endsWith('.sql') && !file.name.endsWith('.gz') && !file.name.endsWith('.dump')) {
      notify.error(ad.dbInvalidFile);
      return;
    }
    if (file.size > 500 * 1024 * 1024) {
      notify.error(ad.fileMax500);
      return;
    }
    setDbRestoreLogs(null);
    dbUploadMutation.mutate(file);
  }, [dbUploadMutation]);

  const handleDbDrop = useCallback((e: React.DragEvent) => {
    e.preventDefault();
    setIsDraggingDb(false);
    const file = e.dataTransfer.files[0];
    if (file) handleDbFileUpload(file);
  }, [handleDbFileUpload]);

  const handleDbDragOver = useCallback((e: React.DragEvent) => {
    e.preventDefault();
    setIsDraggingDb(true);
  }, []);

  const handleDbDragLeave = useCallback(() => {
    setIsDraggingDb(false);
  }, []);

  const copyToClipboard = useCallback((text: string, field: string) => {
    navigator.clipboard.writeText(text);
    setCopiedField(field);
    setTimeout(() => setCopiedField(null), 2000);
  }, []);

  if (isLoading || !app) {
    return (
      <div className="space-y-6 animate-fade-in">
        <div className="flex items-center gap-4">
          <div className="skeleton w-14 h-14 rounded-2xl" />
          <div className="space-y-2 flex-1">
            <div className="skeleton h-6 w-48" />
            <div className="skeleton h-4 w-72" />
          </div>
        </div>
        <div className="grid grid-cols-1 md:grid-cols-2 gap-6">
          <div className="card space-y-3">
            {[1,2,3,4,5].map(i => <div key={i} className="skeleton h-4 w-full" />)}
          </div>
          <div className="card space-y-3">
            {[1,2,3].map(i => <div key={i} className="skeleton h-12 w-full rounded-lg" />)}
          </div>
        </div>
      </div>
    );
  }

  if (isManagedProduct(app)) {
    return null;
  }

  const latestStatus = deployments[0]?.status || 'pending';
  const hasDeployments = deployments.length > 0;
  const isStopped = latestStatus === 'stopped';
  const isRunning = latestStatus === 'running';
  const isInProgress = latestStatus === 'building' || latestStatus === 'deploying' || latestStatus === 'pending';
  const hasPaidAccess = !app.billingCycle ||
    (app.lifecycleStatus === 'active' && (!app.planExpiresAt || new Date(app.planExpiresAt) > new Date()));

  const handleDelete = async () => {
    const ok = await confirm({
      title: ad.deleteAppTitle.replace('{name}', app.name),
      message:
        ad.deleteAppMessage +
        (app.planExpiresAt && new Date(app.planExpiresAt) > new Date()
          ? ad.deleteAppCredit
          : ''),
      confirmText: t.common.delete,
      variant: 'danger',
    });
    if (ok) deleteApplication(appId);
  };

  const pageLocked = isAnyDeleting;

  // The host the app is actually reachable on right now: the verified custom
  // domain when present, otherwise the platform-assigned subdomain. Single source
  // of truth so every place that shows "the app's domain" stays in sync.
  const platformHost = `${app.subdomain}.${domainInfo?.platformDomain || 'apps.abrban.com'}`;
  const currentDomain =
    app.customDomain && app.customDomainStatus === 'verified' ? app.customDomain : platformHost;

  const copyDomain = (domain: string) => {
    navigator.clipboard.writeText(domain);
    notify.success(ad.copied);
  };

  return (
    <>
      <DeletingModal open={pageLocked} resourceName={app.name} resourceKind="application" />
      <div
        className={`space-y-6 animate-fade-in ${pageLocked ? 'pointer-events-none select-none opacity-50' : ''}`}
        aria-hidden={pageLocked}
      >
      {/* Header */}
      <div className="flex flex-col sm:flex-row sm:items-center gap-4">
        <div className="flex items-center gap-4 flex-1 min-w-0">
          <div className="w-14 h-14 rounded-2xl bg-primary-50 flex items-center justify-center shrink-0">
            <Hexagon className={`w-7 h-7 ${app.runtime === 'nodejs' ? 'text-green-500' : app.runtime === 'wordpress' ? 'text-blue-600' : 'text-orange-500'}`} />
          </div>
          <div className="min-w-0">
            <div className="flex items-center gap-2 flex-wrap">
              <h1 className="text-xl sm:text-2xl font-bold text-gray-900 truncate">{app.name}</h1>
              <span className={`badge ${statusColors[latestStatus] || 'badge-gray'}`}>
                {statusLabel(latestStatus)}
              </span>
            </div>
            <p className="text-sm text-gray-500 truncate">
              {app.runtime}{app.runtimeVersion ? ` v${app.runtimeVersion}` : ''}{app.phpVersion ? ` — PHP ${app.phpVersion}` : ''} ·{' '}
              <a href={`https://${currentDomain}`} target="_blank" rel="noopener noreferrer" dir="ltr" className="text-primary-600 hover:underline">{currentDomain}</a>
            </p>
          </div>
        </div>

        <div className="flex flex-wrap gap-2 shrink-0">
          {!hasDeployments && (
            <button onClick={() => deployMutation.mutate()} disabled={deployMutation.isPending || (!app.codePath && !app.gitUrl)} className="btn-primary text-sm disabled:opacity-50">
              {deployMutation.isPending ? <><Clock className="w-4 h-4 inline animate-spin" />{ad.deployingBtn}</> : <><Rocket className="w-4 h-4 inline" />{ad.deploy}</>}
            </button>
          )}
          {hasDeployments && (
            <>
              {isStopped ? (
                <button onClick={() => startMutation.mutate()} disabled={startMutation.isPending} className="btn-primary text-sm disabled:opacity-50">
                  {startMutation.isPending ? <><Clock className="w-3 h-3 inline animate-spin" /></> : <><Play className="w-3 h-3 inline" />{ad.start}</>}
                </button>
              ) : isRunning ? (
                <button onClick={() => stopMutation.mutate()} disabled={stopMutation.isPending || isInProgress} className="btn-secondary text-sm disabled:opacity-50">
                  {stopMutation.isPending ? <><Clock className="w-3 h-3 inline animate-spin" /></> : <><Square className="w-3 h-3 inline" />{ad.stop}</>}
                </button>
              ) : null}
              {isRunning && (
                <button onClick={() => restartMutation.mutate()} disabled={restartMutation.isPending} className="btn-secondary text-sm disabled:opacity-50">
                  {restartMutation.isPending ? <><Clock className="w-3 h-3 inline animate-spin" /></> : <><RotateCw className="w-3 h-3 inline" />{ad.restart}</>}
                </button>
              )}
              {!isInProgress && hasPaidAccess && isApplicationProduct(app) && (
                <button onClick={() => redeployMutation.mutate()} disabled={redeployMutation.isPending} className="btn-primary text-sm disabled:opacity-50" title={ad.rebuildTitle}>
                  {redeployMutation.isPending ? <><Clock className="w-3 h-3 inline animate-spin" /></> : <><RefreshCw className="w-3 h-3 inline" />{ad.redeploy}</>}
                </button>
              )}
              {isRunning && (
                <button onClick={() => previewMutation.mutate()} disabled={previewMutation.isPending} className="text-sm px-4 py-2 rounded-xl font-medium bg-emerald-50 text-emerald-700 hover:bg-emerald-100 border border-emerald-200 disabled:opacity-50 transition-all active:scale-[0.98]">
                  {previewMutation.isPending ? <><Clock className="w-3 h-3 inline animate-spin" /></> : <><Globe className="w-3 h-3 inline" />{ad.preview}</>}
                </button>
              )}
              {app.enableElasticsearch && (
                <NextLink
                  href={`/dashboard/logs?appId=${appId}`}
                  className="text-sm px-4 py-2 rounded-xl font-medium bg-slate-50 text-slate-700 hover:bg-slate-100 border border-slate-200 transition-all active:scale-[0.98] inline-flex items-center gap-1"
                >
                  <ScrollText className="w-3 h-3" />{ad.logs}</NextLink>
              )}
            </>
          )}
          <button
            onClick={handleDelete}
            disabled={pageLocked}
            className="btn-danger text-sm disabled:opacity-50"
          >{t.common.delete}</button>
        </div>
      </div>


      {/* Renewal Banner for Expired/Suspended Apps */}
      {needsRenewal && (
        <div className={`rounded-xl p-4 border-2 ${
          app.lifecycleStatus === 'pending_deletion' 
            ? 'bg-red-50 border-red-300' 
            : 'bg-amber-50 border-amber-300'
        }`}>
          <div className="flex flex-col sm:flex-row sm:items-center gap-4">
            <div className="flex items-center gap-3 flex-1">
              <div className={`w-12 h-12 rounded-xl flex items-center justify-center ${
                app.lifecycleStatus === 'pending_deletion' ? 'bg-red-100' : 'bg-amber-100'
              }`}>
                <AlertTriangle className={`w-6 h-6 ${
                  app.lifecycleStatus === 'pending_deletion' ? 'text-red-600' : 'text-amber-600'
                }`} />
              </div>
              <div>
                <h3 className={`font-semibold ${
                  app.lifecycleStatus === 'pending_deletion' ? 'text-red-800' : 'text-amber-800'
                }`}>
                  {app.lifecycleStatus === 'pending_deletion' 
                    ? ad.scheduledForDeletion
                    : ad.suspendedPayment}
                </h3>
                <p className={`text-sm ${
                  app.lifecycleStatus === 'pending_deletion' ? 'text-red-600' : 'text-amber-600'
                }`}>
                  {app.lifecycleStatus === 'pending_deletion'
                    ? ad.willBeDeletedOn.replace('{date}', app.scheduledDeletionAt ? new Date(app.scheduledDeletionAt).toLocaleString(locale) : ad.soon)
                    : ad.planExpiredRestore}
                </p>
              </div>
            </div>
            <button
              onClick={() => setShowRenewalModal(true)}
              className={`px-6 py-2.5 rounded-xl font-medium transition-all flex items-center gap-2 ${
                app.lifecycleStatus === 'pending_deletion'
                  ? 'bg-red-600 text-white hover:bg-red-700'
                  : 'bg-amber-600 text-white hover:bg-amber-700'
              }`}
            >
              <CreditCard className="w-4 h-4" />{ad.renewNow}</button>
          </div>
        </div>
      )}

      {/* Expiring Soon Warning */}
      {!needsRenewal && isExpiringSoon && app.planExpiresAt && (
        <div className="rounded-xl p-4 border bg-blue-50 border-blue-200">
          <div className="flex flex-col sm:flex-row sm:items-center gap-4">
            <div className="flex items-center gap-3 flex-1">
              <div className="w-10 h-10 rounded-lg bg-blue-100 flex items-center justify-center">
                <Clock className="w-5 h-5 text-blue-600" />
              </div>
              <div>
                <h3 className="font-medium text-blue-800">{ad.planExpiringSoon}</h3>
                <p className="text-sm text-blue-600">
                  {ad.planExpiresEarly.replace('{date}', new Date(app.planExpiresAt).toLocaleString(locale))}
                </p>
              </div>
            </div>
            <button
              onClick={() => setShowRenewalModal(true)}
              className="px-4 py-2 rounded-lg font-medium bg-blue-600 text-white hover:bg-blue-700 transition-all flex items-center gap-2"
            >
              <RefreshCw className="w-4 h-4" />{ad.extendPlan}</button>
          </div>
        </div>
      )}

      {/* Renewal Modal */}
      {showRenewalModal && (
        <div className="fixed inset-0 bg-black/50 flex items-center justify-center z-50 p-4">
          <div className="bg-white rounded-2xl shadow-2xl max-w-md w-full p-6 animate-fade-in">
            <h2 className="text-xl font-bold text-gray-900 mb-2">{ad.renewApplication}</h2>
            <p className="text-sm text-gray-500 mb-6">{ad.selectBillingCycle.replace('{name}', app.name)}</p>

            {/* Wallet Balance */}
            <div className="bg-gray-50 rounded-xl p-4 mb-6 flex items-center justify-between">
              <div className="flex items-center gap-3">
                <Wallet className="w-5 h-5 text-gray-400" />
                <span className="text-sm text-gray-600">{ad.walletBalance}</span>
              </div>
              <span className="text-lg font-bold text-gray-900">
                {walletData?.balance?.toLocaleString('en-US') || 0} {ad.toman}
              </span>
            </div>

            {/* Billing Cycle Selection */}
            <div className="space-y-3 mb-6">
              {renewalCostData?.costs && (
                <>
                  <label
                    className={`flex items-center justify-between p-4 border-2 rounded-xl cursor-pointer transition-all ${
                      selectedCycle === 'hourly' ? 'border-primary-500 bg-primary-50' : 'border-gray-200 hover:border-gray-300'
                    }`}
                    onClick={() => setSelectedCycle('hourly')}
                  >
                    <div className="flex items-center gap-3">
                      <input type="radio" checked={selectedCycle === 'hourly'} onChange={() => {}} className="w-4 h-4 text-primary-600" />
                      <div>
                        <p className="font-medium text-gray-900">{ad.cycles.hourly}</p>
                        <p className="text-xs text-gray-500">{ad.payAsYouGo}</p>
                      </div>
                    </div>
                    <span className="font-bold text-gray-900">{renewalCostData.costs.hourly.toLocaleString('en-US')} {ad.toman}</span>
                  </label>

                  <label
                    className={`flex items-center justify-between p-4 border-2 rounded-xl cursor-pointer transition-all ${
                      selectedCycle === 'monthly' ? 'border-primary-500 bg-primary-50' : 'border-gray-200 hover:border-gray-300'
                    }`}
                    onClick={() => setSelectedCycle('monthly')}
                  >
                    <div className="flex items-center gap-3">
                      <input type="radio" checked={selectedCycle === 'monthly'} onChange={() => {}} className="w-4 h-4 text-primary-600" />
                      <div>
                        <p className="font-medium text-gray-900">{ad.cycles.monthly}</p>
                        <p className="text-xs text-gray-500">{ad.bestForMost}</p>
                      </div>
                    </div>
                    <span className="font-bold text-gray-900">{renewalCostData.costs.monthly.toLocaleString('en-US')} {ad.toman}</span>
                  </label>

                  <label
                    className={`flex items-center justify-between p-4 border-2 rounded-xl cursor-pointer transition-all ${
                      selectedCycle === 'yearly' ? 'border-primary-500 bg-primary-50' : 'border-gray-200 hover:border-gray-300'
                    }`}
                    onClick={() => setSelectedCycle('yearly')}
                  >
                    <div className="flex items-center gap-3">
                      <input type="radio" checked={selectedCycle === 'yearly'} onChange={() => {}} className="w-4 h-4 text-primary-600" />
                      <div>
                        <p className="font-medium text-gray-900">{ad.cycles.yearly}</p>
                        <p className="text-xs text-green-600">{ad.saveUpTo20}</p>
                      </div>
                    </div>
                    <span className="font-bold text-gray-900">{renewalCostData.costs.yearly.toLocaleString('en-US')} {ad.toman}</span>
                  </label>
                </>
              )}
            </div>

            {/* Insufficient Balance Warning */}
            {renewalCostData?.costs && walletData && (
              (() => {
                const cost = selectedCycle === 'hourly' ? renewalCostData.costs.hourly
                  : selectedCycle === 'monthly' ? renewalCostData.costs.monthly
                  : renewalCostData.costs.yearly;
                if (walletData.balance < cost) {
                  return (
                    <div className="bg-amber-50 border border-amber-200 rounded-lg p-3 mb-4">
                      <p className="text-sm text-amber-700">
                        <AlertTriangle className="w-4 h-4 inline mr-1" />
                        {ad.walletShortBy.replace('{n}', (cost - walletData.balance).toLocaleString('en-US'))}
                      </p>
                    </div>
                  );
                }
                return null;
              })()
            )}

            {/* Coupon */}
            <div className="mb-4">
              <label className="text-sm font-medium text-gray-700">
                {t.dashboard.billing.discounts.coupon.label}
              </label>
              <input
                className="input-field w-full font-mono mt-1.5"
                placeholder={t.dashboard.billing.discounts.coupon.placeholder}
                value={renewCoupon}
                onChange={(e) => setRenewCoupon(e.target.value.toUpperCase())}
              />
            </div>

            {/* Actions */}
            <div className="flex gap-3">
              <button
                onClick={() => { setShowRenewalModal(false); setRenewCoupon(''); }}
                className="flex-1 px-4 py-2.5 border border-gray-200 rounded-xl font-medium text-gray-700 hover:bg-gray-50 transition-all"
              >{t.common.cancel}</button>
              <button
                onClick={() => createRenewalInvoiceMutation.mutate(selectedCycle)}
                disabled={createRenewalInvoiceMutation.isPending || !renewalCostData?.costs}
                className="flex-1 px-4 py-2.5 bg-primary-600 text-white rounded-xl font-medium hover:bg-primary-700 transition-all disabled:opacity-50 disabled:cursor-not-allowed flex items-center justify-center gap-2"
              >
                {createRenewalInvoiceMutation.isPending ? (
                  <><Clock className="w-4 h-4 animate-spin" />{ad.processing}</>
                ) : (
                  <><CreditCard className="w-4 h-4" />{ad.createInvoicePay}</>
                )}
              </button>
            </div>
          </div>
        </div>
      )}

      {/* Upgrade Confirmation Modal */}
      {showUpgradeConfirm && upgradeCostData && (
        <div className="fixed inset-0 bg-black/50 flex items-center justify-center z-50 p-4">
          <div className="bg-white rounded-2xl shadow-2xl max-w-md w-full p-6 animate-fade-in">
            <h2 className="text-xl font-bold text-gray-900 mb-2">{ad.confirmResourceUpgrade}</h2>
            <p className="text-sm text-gray-500 mb-6">
              {upgradeCostData.proratedAmount > 0 
                ? 'This upgrade requires payment for the remaining billing period.'
                : 'No additional cost for this change.'}
            </p>

            {/* Cost Summary */}
            <div className="bg-gray-50 rounded-xl p-4 mb-6 space-y-3">
              <div className="flex items-center justify-between">
                <span className="text-sm text-gray-600">{ad.currentHourlyCost}</span>
                <span className="text-sm font-medium text-gray-900">
                  {upgradeCostData.currentCost.hourly.toLocaleString('en-US')} {ad.tomanPerHour}
                </span>
              </div>
              <div className="flex items-center justify-between">
                <span className="text-sm text-gray-600">{ad.newHourlyCost}</span>
                <span className="text-sm font-medium text-gray-900">
                  {upgradeCostData.newCost.hourly.toLocaleString('en-US')} {ad.tomanPerHour}
                </span>
              </div>
              <div className="flex items-center justify-between">
                <span className="text-sm text-gray-600">{ad.remainingHours}</span>
                <span className="text-sm font-medium text-gray-900">
                  {ad.hoursUnit.replace('{n}', String(upgradeCostData.remainingHours))}
                </span>
              </div>
              <div className="border-t pt-3 flex items-center justify-between">
                <span className="text-sm font-semibold text-gray-700">{ad.proratedAmount}</span>
                <span className="text-lg font-bold text-primary-600">
                  {upgradeCostData.proratedAmount.toLocaleString('en-US')} {ad.toman}
                </span>
              </div>
            </div>

            {/* Wallet Balance */}
            <div className="bg-blue-50 rounded-xl p-4 mb-6 flex items-center justify-between">
              <div className="flex items-center gap-3">
                <Wallet className="w-5 h-5 text-blue-500" />
                <span className="text-sm text-blue-700">{ad.walletBalance}</span>
              </div>
              <span className="text-lg font-bold text-blue-900">
                {walletData?.balance?.toLocaleString('en-US') || 0} {ad.toman}
              </span>
            </div>

            {/* Insufficient Balance Warning */}
            {walletData && upgradeCostData.proratedAmount > walletData.balance && (
              <div className="bg-amber-50 border border-amber-200 rounded-lg p-3 mb-4">
                <p className="text-sm text-amber-700">
                  <AlertTriangle className="w-4 h-4 inline mr-1" />
                  {ad.walletShortBy.replace('{n}', (upgradeCostData.proratedAmount - walletData.balance).toLocaleString('en-US'))}
                </p>
              </div>
            )}

            {/* Actions */}
            <div className="flex gap-3">
              <button
                onClick={() => {
                  setShowUpgradeConfirm(false);
                  setUpgradeCostData(null);
                  setPendingUpgradePayload(null);
                }}
                className="flex-1 px-4 py-2.5 border border-gray-200 rounded-xl font-medium text-gray-700 hover:bg-gray-50 transition-all"
              >{t.common.cancel}</button>
              <button
                onClick={confirmUpgradeApply}
                disabled={scaleMutation.isPending || createUpgradeInvoiceMutation.isPending}
                className="flex-1 px-4 py-2.5 bg-primary-600 text-white rounded-xl font-medium hover:bg-primary-700 transition-all disabled:opacity-50 disabled:cursor-not-allowed flex items-center justify-center gap-2"
              >
                {scaleMutation.isPending || createUpgradeInvoiceMutation.isPending ? (
                  <><Clock className="w-4 h-4 animate-spin" />{ad.applying}</>
                ) : upgradeCostData.proratedAmount > 0 ? (
                  <><CreditCard className="w-4 h-4" />{ad.createInvoicePay}</>
                ) : (
                  <><CheckCircle className="w-4 h-4" />{ad.applyChanges}</>
                )}
              </button>
            </div>
          </div>
        </div>
      )}

      {/* Status & Config */}
      <div className="grid grid-cols-1 md:grid-cols-2 gap-6">
        <div className="card">
          <h2 className="text-lg font-semibold text-gray-900 mb-4">{ad.configuration}</h2>
          <dl className="space-y-3">
            <div className="flex justify-between">
              <dt className="text-sm text-gray-500">{ad.runtime}</dt>
              <dd className="text-sm font-medium text-gray-900">
                {app.runtime}
                {app.runtime === 'nodejs' && app.runtimeVersion ? ` v${app.runtimeVersion}` : ''}
                {app.runtime === 'wordpress' && app.runtimeVersion ? ` v${app.runtimeVersion}` : ''}
                {(app.runtime === 'laravel' || app.runtime === 'wordpress') && app.phpVersion ? ` — PHP ${app.phpVersion}` : ''}
              </dd>
            </div>
            <div className="flex justify-between">
              <dt className="text-sm text-gray-500">{ad.database}</dt>
              <dd className="text-sm font-medium text-gray-900">
                {app.databaseType}
                {app.databaseType !== 'none' && app.dbVersion ? ` v${app.dbVersion}` : ''}
              </dd>
            </div>
            <div className="flex justify-between">
              <dt className="text-sm text-gray-500">{ad.replicas}</dt>
              <dd className="text-sm font-medium text-gray-900">{app.replicas}</dd>
            </div>
            <div className="flex justify-between">
              <dt className="text-sm text-gray-500">{ad.cpu}</dt>
              <dd className="text-sm font-medium text-gray-900">{app.cpuRequest} / {app.cpuLimit}</dd>
            </div>
            <div className="flex justify-between">
              <dt className="text-sm text-gray-500">{ad.memory}</dt>
              <dd className="text-sm font-medium text-gray-900">{app.memoryRequest} / {app.memoryLimit}</dd>
            </div>
            <div className="flex justify-between">
              <dt className="text-sm text-gray-500">{ad.port}</dt>
              <dd className="text-sm font-medium text-gray-900">{app.port}</dd>
            </div>
            {isAdmin && app.clusterId && (
              <div className="flex justify-between">
                <dt className="text-sm text-gray-500">{ad.cluster}</dt>
                <dd className="text-sm font-medium text-gray-900">
                  <Server className="w-4 h-4 inline text-gray-400" /> {clusters.find((c) => c.id === app.clusterId)?.name || 'Unknown'}
                </dd>
              </div>
            )}
            {isAdmin && app.poolId && (
              <div className="flex justify-between">
                <dt className="text-sm text-gray-500">{ad.pool}</dt>
                <dd className="text-sm font-medium text-gray-900">
                  <Scale className="w-4 h-4 inline text-gray-400" /> {pools.find((p) => p.id === app.poolId)?.name || 'Unknown'}
                </dd>
              </div>
            )}
            {app.latestImageTag && (
              <div className="flex justify-between">
                <dt className="text-sm text-gray-500">{ad.image}</dt>
                <dd className="text-xs font-mono text-gray-700 truncate max-w-[200px]" title={app.latestImageTag}>
                  {app.latestImageTag}
                </dd>
              </div>
            )}
          </dl>
        </div>

        <div className="card">
          <h2 className="text-lg font-semibold text-gray-900 mb-4">{ad.deploymentHistory}</h2>
          {deployments.length === 0 ? (
            <div className="text-center py-8">
              <Package className="w-8 h-8 mx-auto text-gray-300 mb-2" />
              <p className="text-gray-500 text-sm">{ad.noDeployments}</p>
              <p className="text-gray-400 text-xs mt-1">{ad.uploadToStart}</p>
            </div>
          ) : (
            <div className="space-y-3 max-h-72 overflow-y-auto">
              {deployments.slice(0, 10).map((d) => (
                <div key={d.id} className="flex items-center justify-between p-3 bg-gray-50/80 rounded-xl">
                  <div className="min-w-0 flex-1">
                    <p className="text-sm font-medium text-gray-900 truncate">{d.version || d.imageTag}</p>
                    <p className="text-xs text-gray-500">
                      {new Date(d.createdAt).toLocaleString(locale)}
                    </p>
                    {d.errorMessage && (
                      <p className="text-xs text-red-500 mt-1 truncate" title={d.errorMessage}>
                        <XCircle className="w-3 h-3 inline" /> {d.errorMessage}
                      </p>
                    )}
                  </div>
                  <span className={`badge ${statusColors[d.status] || 'badge-gray'} ml-2 shrink-0`}>
                    {statusLabel(d.status)}
                  </span>
                </div>
              ))}
            </div>
          )}
        </div>
      </div>

      {/* Source Code Upload */}
      <div className="card">
        <h2 className="text-lg font-semibold text-gray-900 mb-4 flex items-center gap-2"><Package className="w-5 h-5" />{ad.sourceCode}</h2>

        {app.codePath ? (
          <div className="flex items-center justify-between p-4 bg-green-50 border border-green-200 rounded-xl mb-4">
            <div className="flex items-center space-x-3">
              <div className="w-10 h-10 bg-green-100 rounded-lg flex items-center justify-center text-green-600">
                <CheckCircle className="w-5 h-5" />
              </div>
              <div>
                <p className="text-sm font-medium text-green-800">{ad.sourceCodeUploaded}</p>
                <p className="text-xs text-green-600">{app.codePath.split('/').pop()}</p>
              </div>
            </div>
            <button
              onClick={() => fileInputRef.current?.click()}
              className="text-sm text-green-700 hover:text-green-900 font-medium"
            >{ad.replace}</button>
          </div>
        ) : app.gitUrl ? (
          <div className="flex items-center justify-between p-4 bg-blue-50 border border-blue-200 rounded-xl mb-4">
            <div className="flex items-center space-x-3">
              <div className="w-10 h-10 bg-blue-100 rounded-lg flex items-center justify-center text-blue-600">
                <Link className="w-5 h-5" />
              </div>
              <div>
                <p className="text-sm font-medium text-blue-800">{ad.gitConnected}</p>
                <p className="text-xs text-blue-600 font-mono">{app.gitUrl}</p>
                <div className="flex items-center space-x-3 mt-1">
                  {app.gitBranch && (
                    <span className="text-xs text-blue-500 flex items-center gap-1">
                      <GitBranch className="w-3 h-3" /> {app.gitBranch}
                    </span>
                  )}
                  {(app.hasGitToken ?? app.gitToken) && (
                    <span className="text-xs text-green-600 flex items-center gap-1">
                      <KeyRound className="w-3 h-3" />{ad.private}</span>
                  )}
                </div>
              </div>
            </div>
          </div>
        ) : null}

        <div
          onDrop={handleDrop}
          onDragOver={handleDragOver}
          onDragLeave={handleDragLeave}
          onClick={() => fileInputRef.current?.click()}
          className={`border-2 border-dashed rounded-xl p-8 text-center cursor-pointer transition-all
            ${isDragging
              ? 'border-primary-500 bg-primary-50'
              : 'border-gray-300 hover:border-primary-400 hover:bg-gray-50'
            }
            ${uploadMutation.isPending ? 'pointer-events-none opacity-60' : ''}
          `}
        >
          <input
            ref={fileInputRef}
            type="file"
            accept=".zip,.tar.gz,.tgz"
            className="hidden"
            onChange={(e) => {
              const file = e.target.files?.[0];
              if (file) handleFileUpload(file);
              e.target.value = '';
            }}
          />

          {uploadMutation.isPending ? (
            <div className="space-y-3">
              <Upload className="w-8 h-8 mx-auto text-gray-400 animate-pulse" />
              <p className="text-sm font-medium text-gray-700">Uploading... {uploadProgress}%</p>
              <div className="w-48 mx-auto bg-gray-200 rounded-full h-2">
                <div
                  className="bg-primary-600 h-2 rounded-full transition-all duration-300"
                  style={{ width: `${uploadProgress}%` }}
                />
              </div>
            </div>
          ) : (
            <div className="space-y-2">
              <FolderUp className="w-8 h-8 mx-auto text-gray-400" />
              <p className="text-sm font-medium text-gray-700">
                {app.codePath ? 'Upload new version' : 'Upload your project source code'}
              </p>
              <p className="text-xs text-gray-500">
                {ad.dragDrop} <strong>.zip</strong> {ad.fileHereBrowse}
              </p>
              <p className="text-xs text-gray-400">{ad.maxSize10gb}</p>
            </div>
          )}
        </div>
      </div>

      {/* Custom Domain */}
      <div className="card">
        <div className="flex items-center justify-between mb-4">
          <h2 className="text-lg font-semibold text-gray-900 flex items-center gap-2">
            <Globe className="w-5 h-5" />{ad.domain}</h2>
          {!showDomainSetup && (!app.customDomain || app.customDomainStatus === 'none') && (
            <button
              onClick={() => setShowDomainSetup(true)}
              className="btn-primary text-sm"
            >{ad.addCustomDomain}</button>
          )}
        </div>

        {/* Application domain — the host the app is reachable on right now
            (verified custom domain, else the platform subdomain). Click to copy. */}
        <div className="bg-gray-50 rounded-xl p-4 mb-4">
          <div className="flex items-center justify-between gap-3">
            <div className="min-w-0">
              <p className="text-xs text-gray-500 mb-1">{ad.appDomain}</p>
              <button
                type="button"
                onClick={() => copyDomain(currentDomain)}
                title={ad.copyDomainHint}
                dir="ltr"
                className="group inline-flex items-center gap-1.5 max-w-full text-sm font-mono font-medium text-gray-800 hover:text-primary-600 transition-colors"
              >
                <span className="truncate">{currentDomain}</span>
                <Copy className="w-3.5 h-3.5 shrink-0 opacity-50 group-hover:opacity-100 transition-opacity" />
              </button>
            </div>
            <span className="badge badge-green text-xs shrink-0">{ad.active}</span>
          </div>
        </div>

        {/* Custom domain - verified */}
        {app.customDomain && app.customDomainStatus === 'verified' && (
          <div className="bg-emerald-50 rounded-xl p-4 mb-4 border border-emerald-200">
            <div className="flex items-center justify-between">
              <div>
                <p className="text-xs text-emerald-600 mb-1">{ad.customDomain}</p>
                <button
                  type="button"
                  onClick={() => copyDomain(app.customDomain!)}
                  title={ad.copyDomainHint}
                  dir="ltr"
                  className="group inline-flex items-center gap-1.5 max-w-full text-sm font-mono font-medium text-emerald-800 hover:text-emerald-600 transition-colors"
                >
                  <span className="truncate">{app.customDomain}</span>
                  <Copy className="w-3.5 h-3.5 shrink-0 opacity-50 group-hover:opacity-100 transition-opacity" />
                </button>
                <p className="text-xs text-emerald-500 mt-1">
                  <CheckCircle className="w-3 h-3 inline" /> SSL Active — Verified on{' '}
                  {app.customDomainVerifiedAt ? new Date(app.customDomainVerifiedAt).toLocaleString(locale) : ''}
                </p>
              </div>
              <button
                onClick={async () => {
                  const ok = await confirm({
                    title: ad.removeDomainTitle,
                    message: ad.removeDomainConfirm.replace('{domain}', app.customDomain || ''),
                    confirmText: ad.remove,
                    variant: 'danger',
                  });
                  if (ok) removeDomainMutation.mutate();
                }}
                disabled={removeDomainMutation.isPending}
                className="text-sm px-3 py-1.5 rounded-lg text-red-600 hover:bg-red-50 border border-red-200 transition-colors"
              >
                {removeDomainMutation.isPending ? 'Removing...' : 'Remove Domain'}
              </button>
            </div>
          </div>
        )}

        {/* Custom domain - pending DNS */}
        {app.customDomain && app.customDomainStatus === 'pending_dns' && (
          <div className="bg-amber-50 rounded-xl p-4 mb-4 border border-amber-200">
            <div className="flex items-center justify-between mb-3">
              <div>
                <p className="text-xs text-amber-600 mb-1">{ad.customDomainPending}</p>
                <p className="text-sm font-mono font-medium text-amber-800">{app.customDomain}</p>
              </div>
              <div className="flex gap-2">
                <button
                  onClick={() => verifyDnsMutation.mutate()}
                  disabled={verifyDnsMutation.isPending}
                  className="btn-primary text-sm"
                >
                  {verifyDnsMutation.isPending ? ad.checking : ad.verifyDns}
                </button>
                <button
                  onClick={() => removeDomainMutation.mutate()}
                  disabled={removeDomainMutation.isPending}
                  className="text-sm px-3 py-1.5 rounded-lg text-red-600 hover:bg-red-50 border border-red-200 transition-colors"
                >{t.common.cancel}</button>
              </div>
            </div>

            {/* DNS Instructions */}
            <div className="bg-white rounded-lg p-4 border border-amber-100">
              <h4 className="text-sm font-semibold text-gray-800 mb-3">{ad.dnsSetupGuide}</h4>
              <div className="space-y-2.5 text-sm text-gray-600">
                <p>{ad.dnsStep1}</p>
                <p>{ad.dnsStep2}</p>
                <p>{ad.dnsStep3a}<strong>CNAME</strong>{ad.dnsStep3b}</p>
                <div className="pl-4 rtl:pl-0 rtl:pr-4 space-y-1">
                  <p className="text-xs font-mono bg-gray-50 rounded px-2 py-1">{ad.nameHost}<strong>@</strong> {ad.orText} <strong>www</strong></p>
                  <p className="text-xs font-mono bg-gray-50 rounded px-2 py-1">{ad.typeColon}<strong>CNAME</strong></p>
                  <p className="text-xs font-mono bg-gray-50 rounded px-2 py-1">{ad.valueColon}<strong>{domainInfo?.fullPlatformUrl || `${app.subdomain}.apps.abrban.com`}</strong></p>
                </div>
                <p>{ad.dnsStep4a}<code className="bg-gray-100 px-1 rounded">www</code>{ad.dnsStep4b}</p>
                <p>{ad.dnsStep5}</p>
                <p>{ad.dnsStep6a}<strong>&quot;{ad.verifyDns}&quot;</strong>{ad.dnsStep6b}</p>
              </div>
              {domainInfo?.fullPlatformUrl && (
                <div className="mt-4 bg-blue-50 rounded-lg p-3 border border-blue-100">
                  <p className="text-xs text-blue-700 font-medium mb-1">{ad.cnameTarget}</p>
                  <div className="flex items-center gap-2">
                    <code className="text-sm font-mono text-blue-900 bg-blue-100 px-2 py-1 rounded flex-1">
                      {domainInfo.fullPlatformUrl}
                    </code>
                    <button
                      onClick={() => {
                        navigator.clipboard.writeText(domainInfo.fullPlatformUrl);
                        notify.success(ad.copied);
                      }}
                      className="text-blue-600 hover:text-blue-800 p-1"
                    >
                      <Copy className="w-4 h-4" />
                    </button>
                  </div>
                </div>
              )}
            </div>
          </div>
        )}

        {/* Domain setup form */}
        {showDomainSetup && (!app.customDomain || app.customDomainStatus === 'none') && (
          <div className="bg-gray-50 rounded-xl p-4 border border-gray-200">
            <h4 className="text-sm font-semibold text-gray-800 mb-3">{ad.setUpCustomDomain}</h4>
            {domainPriceData && domainPriceData.monthlyPrice > 0 && (
              <div className="bg-blue-50 rounded-lg p-3 mb-4 border border-blue-100">
                <p className="text-sm text-blue-700">
                  <CreditCard className="w-4 h-4 inline mr-1" />{ad.customDomainFee}<strong>{domainPriceData.monthlyPrice.toLocaleString('en-US')} Toman / month</strong>
                </p>
                <p className="text-xs text-blue-500 mt-1">{ad.feeIncludedNote}</p>
              </div>
            )}
            <div className="flex gap-2">
              <input
                type="text"
                value={customDomainInput}
                onChange={(e) => setCustomDomainInput(e.target.value)}
                placeholder={ad.domainPlaceholder}
                className="input-field flex-1 font-mono text-sm"
              />
              <button
                onClick={() => {
                  if (customDomainInput.trim()) setDomainMutation.mutate(customDomainInput.trim());
                }}
                disabled={!customDomainInput.trim() || setDomainMutation.isPending}
                className="btn-primary text-sm disabled:opacity-50"
              >
                {setDomainMutation.isPending ? 'Setting up...' : 'Set Domain'}
              </button>
              <button
                onClick={() => { setShowDomainSetup(false); setCustomDomainInput(''); }}
                className="btn-secondary text-sm"
              >{t.common.cancel}</button>
            </div>
          </div>
        )}
      </div>

      {/* Database Info & Dump Upload */}
      {app.databaseType !== 'none' && (
        <div className="card">
          <h2 className="text-lg font-semibold text-gray-900 mb-4 flex items-center gap-2">
            <Database className="w-5 h-5" />{ad.database}<span className="badge badge-blue text-xs">{app.databaseType}</span>
          </h2>

          {/* Connection Info */}
          <div className="bg-gray-50 rounded-xl p-4 mb-4 space-y-2">
            <h3 className="text-sm font-semibold text-gray-700 mb-3">{ad.connectionInfoInternal}</h3>
            {[
              { label: 'Host', value: `${app.name}-db`, field: 'host' },
              { label: 'Port', value: app.databaseType === 'postgresql' ? '5432' : '3306', field: 'port' },
              { label: 'Database', value: app.name.replace(/-/g, '_'), field: 'database' },
              { label: 'Username', value: app.dbUsername || 'appuser', field: 'username' },
            ].map(({ label, value, field }) => (
              <div key={field} className="flex items-center justify-between">
                <span className="text-sm text-gray-500">{label}</span>
                <div className="flex items-center gap-2">
                  <span className="text-sm font-mono text-gray-800">{value}</span>
                  <button
                    onClick={() => copyToClipboard(value, field)}
                    className="p-1 text-gray-400 hover:text-gray-600 transition-colors"
                    title={ad.copy}
                  >
                    {copiedField === field ? <Check className="w-3.5 h-3.5 text-green-500" /> : <Copy className="w-3.5 h-3.5" />}
                  </button>
                </div>
              </div>
            ))}
            {/* Password row with show/hide */}
            <div className="flex items-center justify-between">
              <span className="text-sm text-gray-500">{ad.password}</span>
              <div className="flex items-center gap-2">
                <span className="text-sm font-mono text-gray-800">
                  {showDbPassword ? (app.dbPassword || '—') : '••••••••••••'}
                </span>
                <button
                  onClick={() => setShowDbPassword(!showDbPassword)}
                  className="p-1 text-gray-400 hover:text-gray-600 transition-colors"
                  title={showDbPassword ? 'Hide' : 'Show'}
                >
                  {showDbPassword ? <EyeOff className="w-3.5 h-3.5" /> : <Eye className="w-3.5 h-3.5" />}
                </button>
                <button
                  onClick={() => copyToClipboard(app.dbPassword || '', 'password')}
                  className="p-1 text-gray-400 hover:text-gray-600 transition-colors"
                  title={ad.copy}
                >
                  {copiedField === 'password' ? <Check className="w-3.5 h-3.5 text-green-500" /> : <Copy className="w-3.5 h-3.5" />}
                </button>
              </div>
            </div>
            <p className="text-xs text-gray-400 mt-2 pt-2 border-t border-gray-200">{ad.dbOnlyInternal}</p>
          </div>

          {/* DB Dump Upload */}
          <h3 className="text-sm font-semibold text-gray-700 mb-3">{ad.restoreDatabaseDump}</h3>
          <div
            onDrop={handleDbDrop}
            onDragOver={handleDbDragOver}
            onDragLeave={handleDbDragLeave}
            onClick={() => dbFileInputRef.current?.click()}
            className={`border-2 border-dashed rounded-xl p-6 text-center cursor-pointer transition-all
              ${isDraggingDb
                ? 'border-blue-500 bg-blue-50'
                : 'border-gray-300 hover:border-blue-400 hover:bg-gray-50'
              }
              ${dbUploadMutation.isPending ? 'pointer-events-none opacity-60' : ''}
            `}
          >
            <input
              ref={dbFileInputRef}
              type="file"
              accept=".sql,.gz,.dump"
              className="hidden"
              onChange={(e) => {
                const file = e.target.files?.[0];
                if (file) handleDbFileUpload(file);
                e.target.value = '';
              }}
            />

            {dbUploadMutation.isPending ? (
              <div className="space-y-2">
                <Database className="w-8 h-8 mx-auto text-blue-400 animate-pulse" />
                <p className="text-sm font-medium text-gray-700">{ad.restoringDatabase}</p>
                <p className="text-xs text-gray-500">{ad.thisMayTake}</p>
              </div>
            ) : (
              <div className="space-y-2">
                <Database className="w-8 h-8 mx-auto text-gray-400" />
                <p className="text-sm font-medium text-gray-700">{ad.uploadSqlToRestore}</p>
                <p className="text-xs text-gray-500">
                  {ad.dragDrop} <strong>.sql</strong> {ad.fileHereBrowse}
                </p>
                <p className="text-xs text-gray-400">{ad.maxSize500mb}</p>
              </div>
            )}
          </div>

          {/* Restore Logs */}
          {dbRestoreLogs && (
            <div className="mt-4">
              <h4 className="text-xs font-semibold text-gray-600 mb-2">{ad.restoreOutput}</h4>
              <pre className="bg-gray-900 text-green-400 p-4 rounded-xl text-xs font-mono overflow-x-auto max-h-[300px] overflow-y-auto whitespace-pre-wrap break-words">
                {dbRestoreLogs}
              </pre>
            </div>
          )}
        </div>
      )}

      {/* Optional Service Credentials */}
      {(app.enableRedis || app.enableRabbitmq) && (
        <div className="card">
          <div className="flex items-center justify-between mb-4">
            <h2 className="text-lg font-semibold text-gray-900 flex items-center gap-2">
              <KeyRound className="w-5 h-5" />{ad.serviceCredentials}</h2>
            <button
              type="button"
              onClick={() => setShowServiceSecrets(!showServiceSecrets)}
              className="btn-secondary text-xs inline-flex items-center gap-1"
            >
              {showServiceSecrets ? <EyeOff className="w-3.5 h-3.5" /> : <Eye className="w-3.5 h-3.5" />}
              {showServiceSecrets ? 'Hide secrets' : 'Show secrets'}
            </button>
          </div>
          <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
            {app.enableRedis && (
              <div className="bg-gray-50 rounded-xl p-4 space-y-2">
                <h3 className="text-sm font-semibold text-gray-700">{ad.workload}</h3>
                {[
                  { label: 'Host', value: serviceCredentials?.redis?.host || `${app.name}-redis`, field: 'redis-host' },
                  { label: 'Port', value: String(serviceCredentials?.redis?.port || 6379), field: 'redis-port' },
                  {
                    label: 'Password',
                    value: serviceCredentials?.redis?.password || '',
                    field: 'redis-password',
                    secret: true,
                  },
                  { label: 'URL', value: serviceCredentials?.redis?.url || '', field: 'redis-url', secret: true },
                ].map(({ label, value, field, secret }) => (
                  <div key={field} className="flex items-center justify-between gap-3">
                    <span className="text-sm text-gray-500">{label}</span>
                    <div className="flex items-center gap-2 min-w-0">
                      <span className="text-xs font-mono text-gray-800 truncate" title={value}>
                        {secret && !showServiceSecrets ? '••••••••••••' : value || '—'}
                      </span>
                      <button
                        type="button"
                        onClick={() => copyToClipboard(value || '', field)}
                        disabled={!value}
                        className="p-1 text-gray-400 hover:text-gray-600 disabled:opacity-30"
                        title={ad.copy}
                      >
                        {copiedField === field ? <Check className="w-3.5 h-3.5 text-green-500" /> : <Copy className="w-3.5 h-3.5" />}
                      </button>
                    </div>
                  </div>
                ))}
              </div>
            )}

            {app.enableRabbitmq && (
              <div className="bg-gray-50 rounded-xl p-4 space-y-2">
                <h3 className="text-sm font-semibold text-gray-700">{ad.workload}</h3>
                {[
                  { label: 'Host', value: serviceCredentials?.rabbitmq?.host || `${app.name}-rabbitmq`, field: 'rabbit-host' },
                  { label: 'AMQP Port', value: String(serviceCredentials?.rabbitmq?.amqpPort || 5672), field: 'rabbit-amqp-port' },
                  { label: 'Management Port', value: String(serviceCredentials?.rabbitmq?.managementPort || 15672), field: 'rabbit-mgmt-port' },
                  { label: 'Username', value: serviceCredentials?.rabbitmq?.username || 'appuser', field: 'rabbit-user' },
                  {
                    label: 'Password',
                    value: serviceCredentials?.rabbitmq?.password || '',
                    field: 'rabbit-password',
                    secret: true,
                  },
                  { label: 'AMQP URL', value: serviceCredentials?.rabbitmq?.amqpUrl || '', field: 'rabbit-amqp-url', secret: true },
                  { label: 'Management URL', value: serviceCredentials?.rabbitmq?.managementUrl || '', field: 'rabbit-mgmt-url' },
                ].map(({ label, value, field, secret }) => (
                  <div key={field} className="flex items-center justify-between gap-3">
                    <span className="text-sm text-gray-500">{label}</span>
                    <div className="flex items-center gap-2 min-w-0">
                      <span className="text-xs font-mono text-gray-800 truncate" title={value}>
                        {secret && !showServiceSecrets ? '••••••••••••' : value || '—'}
                      </span>
                      <button
                        type="button"
                        onClick={() => copyToClipboard(value || '', field)}
                        disabled={!value}
                        className="p-1 text-gray-400 hover:text-gray-600 disabled:opacity-30"
                        title={ad.copy}
                      >
                        {copiedField === field ? <Check className="w-3.5 h-3.5 text-green-500" /> : <Copy className="w-3.5 h-3.5" />}
                      </button>
                    </div>
                  </div>
                ))}
              </div>
            )}
          </div>
          {!app.latestImageTag && (
            <p className="text-xs text-gray-400 mt-3">{ad.serviceCredsAfterDeploy}</p>
          )}
        </div>
      )}

      {app && <ServiceExternalAccessPanel appId={appId} app={app} />}

      {/* Resource Monitoring & Scaling */}
      <div className="card">
        <div className="flex items-center justify-between mb-4">
          <h2 className="text-lg font-semibold text-gray-900 flex items-center gap-2"><BarChart3 className="w-5 h-5" />{ad.resourcesScaling}</h2>
          <button
            onClick={() => setShowResources(!showResources)}
            className="btn-secondary text-sm"
          >
            {showResources ? <><ChevronDown className="w-4 h-4 inline" />{ad.hide}</> : <><BarChart3 className="w-4 h-4 inline" />{ad.monitor}</>}
          </button>
        </div>

        {showResources && (
          <div className="space-y-6">
            {/* Live Metrics */}
            {resourcesLoading ? (
              <div className="text-center py-6 text-gray-400 text-sm">{ad.loadingMetrics}</div>
            ) : resourceUsage ? (
              <>
                {resourceUsage.loggingNote && (
                  <p className="text-xs text-gray-600 bg-slate-50 border border-slate-100 rounded-lg px-3 py-2">{resourceUsage.loggingNote}</p>
                )}

                {(resourceUsage.workloads && resourceUsage.workloads.length > 0
                  ? resourceUsage.workloads
                  : resourceUsage.configured
                    ? [
                        {
                          key: 'app' as const,
                          title: ad.productTypeApp,
                          deploymentName: app?.name || '',
                          configured: resourceUsage.configured,
                          pods: resourceUsage.pods,
                          metrics: resourceUsage.metrics,
                          sidecars: undefined,
                        },
                      ]
                    : []
                ).map((w) => (
                  <div key={w.key} className="border border-gray-200 rounded-xl p-4 space-y-4 bg-slate-50/50">
                    <div className="flex flex-wrap items-center justify-between gap-2">
                      <h3 className="text-sm font-semibold text-gray-800">{w.title}</h3>
                      <span className="text-[11px] text-gray-400 font-mono truncate max-w-[200px]" title={w.deploymentName}>{w.deploymentName}</span>
                    </div>

                    <div className="grid grid-cols-3 gap-2 text-center">
                      <div className="bg-blue-50 rounded-lg p-3">
                        <p className="text-[10px] text-blue-600 font-medium">{ad.replicas}</p>
                        <p className="text-lg font-bold text-blue-800">
                          {w.configured.readyReplicas}/{w.configured.replicas}
                        </p>
                        <p className="text-[10px] text-blue-500">{ad.ready}</p>
                      </div>
                      <div className="bg-green-50 rounded-lg p-3">
                        <p className="text-[10px] text-green-600 font-medium">{ad.pods}</p>
                        <p className="text-lg font-bold text-green-800">{w.pods.length}</p>
                        <p className="text-[10px] text-green-500">{w.pods.filter((p) => p.ready).length} {ad.ready}</p>
                      </div>
                      <div className="bg-purple-50 rounded-lg p-3">
                        <p className="text-[10px] text-purple-600 font-medium">{ad.metrics}</p>
                        <p className="text-lg font-bold text-purple-800 flex justify-center">
                          {w.metrics.length > 0 ? <CheckCircle className="w-5 h-5 text-purple-700" /> : <Clock className="w-5 h-5 text-purple-400" />}
                        </p>
                        <p className="text-[10px] text-purple-500">{w.metrics.length > 0 ? 'Live' : 'Waiting…'}</p>
                      </div>
                    </div>

                    <div className="text-xs text-gray-600 grid sm:grid-cols-2 gap-2 border-t border-gray-200 pt-3">
                      <div>
                        <span className="text-gray-400">{ad.cpuColon}</span>
                        <span className="font-mono">{w.configured.cpuRequest} → {w.configured.cpuLimit}</span>
                      </div>
                      <div>
                        <span className="text-gray-400">{ad.memoryColon}</span>
                        <span className="font-mono">{w.configured.memoryRequest} → {w.configured.memoryLimit}</span>
                      </div>
                    </div>

                    {w.metrics.length > 0 && (
                      <div className="space-y-3">
                        <h4 className="text-xs font-semibold text-gray-600">{ad.liveUsage}</h4>
                        {w.metrics.map((metric) => {
                          const cpuUsed = parseCpuToMillicores(metric.cpu);
                          const cpuLimit = parseCpuToMillicores(w.configured.cpuLimit);
                          const cpuPercent = cpuLimit > 0 ? Math.min((cpuUsed / cpuLimit) * 100, 100) : 0;
                          const memUsed = parseMemoryToMi(metric.memory);
                          const memLimit = parseMemoryToMi(w.configured.memoryLimit);
                          const memPercent = memLimit > 0 ? Math.min((memUsed / memLimit) * 100, 100) : 0;
                          return (
                            <div key={metric.name} className="bg-white rounded-lg p-3 space-y-2 border border-gray-100">
                              <p className="text-[11px] font-mono text-gray-600 truncate" title={metric.name}>
                                <Circle className="w-2 h-2 inline fill-green-500 text-green-500" /> {metric.name}
                              </p>
                              <div>
                                <div className="flex justify-between text-[11px] text-gray-500 mb-0.5">
                                  <span>{ad.cpu}</span>
                                  <span>{cpuUsed.toFixed(1)}m / {cpuLimit.toFixed(0)}m ({cpuPercent.toFixed(1)}%)</span>
                                </div>
                                <div className="w-full bg-gray-200 rounded-full h-2">
                                  <div className={`h-2 rounded-full ${cpuPercent > 80 ? 'bg-red-500' : cpuPercent > 50 ? 'bg-yellow-500' : 'bg-green-500'}`} style={{ width: `${cpuPercent}%` }} />
                                </div>
                              </div>
                              <div>
                                <div className="flex justify-between text-[11px] text-gray-500 mb-0.5">
                                  <span>{ad.memory}</span>
                                  <span>{memUsed.toFixed(1)}Mi / {memLimit.toFixed(0)}Mi ({memPercent.toFixed(1)}%)</span>
                                </div>
                                <div className="w-full bg-gray-200 rounded-full h-2">
                                  <div className={`h-2 rounded-full ${memPercent > 80 ? 'bg-red-500' : memPercent > 50 ? 'bg-yellow-500' : 'bg-green-500'}`} style={{ width: `${memPercent}%` }} />
                                </div>
                              </div>
                            </div>
                          );
                        })}
                      </div>
                    )}

                    {w.pods.length > 0 && (
                      <div>
                        <h4 className="text-xs font-semibold text-gray-600 mb-1">{ad.pods}</h4>
                        <div className="overflow-x-auto">
                          <table className="w-full text-[11px]">
                            <thead>
                              <tr className="text-start text-gray-500 border-b border-gray-200">
                                <th className="pb-1 font-medium text-start">{ad.name}</th>
                                <th className="pb-1 font-medium text-start">{ad.status}</th>
                                <th className="pb-1 font-medium text-start">{ad.ready}</th>
                                <th className="pb-1 font-medium text-start">{ad.restarts}</th>
                              </tr>
                            </thead>
                            <tbody className="divide-y divide-gray-100">
                              {w.pods.map((pod) => (
                                <tr key={pod.name} className="text-gray-700">
                                  <td className="py-1 text-start font-mono truncate max-w-[140px]" dir="ltr" title={pod.name}>{pod.name}</td>
                                  <td className="py-1 text-start">
                                    <span className={`px-1.5 py-0.5 rounded text-[10px] font-medium ${pod.status === 'Running' ? 'bg-green-100 text-green-700' : pod.status === 'Pending' ? 'bg-yellow-100 text-yellow-700' : 'bg-red-100 text-red-700'}`}>{pod.status}</span>
                                  </td>
                                  <td className="py-1 text-start">{pod.ready ? <CheckCircle className="w-3.5 h-3.5 text-green-500" /> : <Clock className="w-3.5 h-3.5 text-yellow-500" />}</td>
                                  <td className="py-1 text-start">{pod.restarts}</td>
                                </tr>
                              ))}
                            </tbody>
                          </table>
                        </div>
                      </div>
                    )}

                    {w.sidecars && w.sidecars.length > 0 && (
                      <div className="text-[11px] text-gray-600 border-t border-dashed border-gray-200 pt-2">
                        <span className="font-semibold text-gray-700">{ad.sidecars}</span>
                        {w.sidecars.map((s) => (
                          <span key={s.name} className="mr-3">
                            {s.name} <span className="text-gray-400">(CPU {s.cpuLimit || '—'}, mem {s.memoryLimit || '—'})</span>
                          </span>
                        ))}
                      </div>
                    )}
                  </div>
                ))}

                {/* Storage Usage Section */}
                <div className="border-t pt-4">
                  <h3 className="text-sm font-semibold text-gray-700 mb-3 flex items-center gap-1">
                    <Database className="w-4 h-4" />{ad.storageUsage}</h3>
                  {storageUsageLoading ? (
                    <div className="text-center py-4 text-gray-400 text-sm">{ad.loadingStorageMetrics}</div>
                  ) : storageUsage ? (
                    <div className="space-y-4">
                      {/* Database Storage */}
                      {storageUsage.database && (
                        <div className="bg-gray-50 rounded-xl p-4">
                          <div className="flex items-center justify-between mb-2">
                            <span className="text-xs font-medium text-gray-600">{ad.databaseVolume}</span>
                            <span className="text-xs text-gray-500">
                              {storageUsage.database.usedGi.toFixed(2)} GiB / {storageUsage.database.allocatedGi.toFixed(1)} GiB
                            </span>
                          </div>
                          <div className="w-full bg-gray-200 rounded-full h-3">
                            <div
                              className={`h-3 rounded-full transition-all duration-500 ${
                                storageUsage.database.usedPercent > 80
                                  ? 'bg-red-500'
                                  : storageUsage.database.usedPercent > 50
                                    ? 'bg-yellow-500'
                                    : 'bg-blue-500'
                              }`}
                              style={{ width: `${Math.min(storageUsage.database.usedPercent, 100)}%` }}
                            />
                          </div>
                          <div className="flex justify-between mt-1 text-xs text-gray-400">
                            <span>Used {storageUsage.database.usedGi.toFixed(2)} GiB</span>
                            <span>Free ~{storageUsage.database.availableGi.toFixed(2)} GiB</span>
                          </div>
                          <p className="text-[11px] text-gray-400 mt-2">{ad.expandDiskNote}</p>
                        </div>
                      )}

                      {storageUsage.appStorage && (
                        <div className="bg-gray-50 rounded-xl p-4">
                          <div className="flex items-center justify-between mb-2">
                            <span className="text-xs font-medium text-gray-600">
                              {app?.runtime === 'wordpress' ? 'wp-content volume' : 'Application volume'}
                            </span>
                            <span className="text-xs text-gray-500">
                              {storageUsage.appStorage.usedGi.toFixed(2)} GiB / {storageUsage.appStorage.allocatedGi.toFixed(1)} GiB
                            </span>
                          </div>
                          <div className="w-full bg-gray-200 rounded-full h-3">
                            <div
                              className={`h-3 rounded-full transition-all duration-500 ${
                                storageUsage.appStorage.usedPercent > 80
                                  ? 'bg-red-500'
                                  : storageUsage.appStorage.usedPercent > 50
                                    ? 'bg-yellow-500'
                                    : 'bg-green-500'
                              }`}
                              style={{ width: `${Math.min(storageUsage.appStorage.usedPercent, 100)}%` }}
                            />
                          </div>
                          <div className="flex justify-between mt-1 text-xs text-gray-400">
                            <span>Used {storageUsage.appStorage.usedGi.toFixed(2)} GiB</span>
                            <span>Free ~{storageUsage.appStorage.availableGi.toFixed(2)} GiB</span>
                          </div>
                          <p className="text-[11px] text-gray-400 mt-2">{ad.expandDiskNote}</p>
                        </div>
                      )}

                      {storageUsage.redisStorage && app?.enableRedis && (
                        <div className="bg-amber-50/80 rounded-xl p-4 border border-amber-100">
                          <div className="flex items-center justify-between mb-2">
                            <span className="text-xs font-medium text-gray-700">{ad.redisVolume}</span>
                            <span className="text-xs text-gray-500">
                              {storageUsage.redisStorage.usedGi.toFixed(2)} GiB / {storageUsage.redisStorage.allocatedGi.toFixed(1)} GiB
                            </span>
                          </div>
                          <div className="w-full bg-gray-200 rounded-full h-2.5">
                            <div
                              className={`h-2.5 rounded-full ${storageUsage.redisStorage.usedPercent > 80 ? 'bg-red-500' : 'bg-amber-500'}`}
                              style={{ width: `${Math.min(storageUsage.redisStorage.usedPercent, 100)}%` }}
                            />
                          </div>
                          <p className="text-[11px] text-gray-500 mt-1">
                            Allocated {storageUsage.redisStorage.allocatedRaw} — expand in Adjust CPU / memory &amp; storage.
                          </p>
                        </div>
                      )}

                      {storageUsage.rabbitmqStorage && app?.enableRabbitmq && (
                        <div className="bg-violet-50/80 rounded-xl p-4 border border-violet-100">
                          <div className="flex items-center justify-between mb-2">
                            <span className="text-xs font-medium text-gray-700">{ad.rabbitmqVolume}</span>
                            <span className="text-xs text-gray-500">
                              {storageUsage.rabbitmqStorage.usedGi.toFixed(2)} GiB / {storageUsage.rabbitmqStorage.allocatedGi.toFixed(1)} GiB
                            </span>
                          </div>
                          <div className="w-full bg-gray-200 rounded-full h-2.5">
                            <div
                              className={`h-2.5 rounded-full ${storageUsage.rabbitmqStorage.usedPercent > 80 ? 'bg-red-500' : 'bg-violet-500'}`}
                              style={{ width: `${Math.min(storageUsage.rabbitmqStorage.usedPercent, 100)}%` }}
                            />
                          </div>
                          <p className="text-[11px] text-gray-500 mt-1">
                            Allocated {storageUsage.rabbitmqStorage.allocatedRaw} — expand in Adjust CPU / memory &amp; storage.
                          </p>
                        </div>
                      )}

                      {!storageUsage.database && !storageUsage.appStorage && !storageUsage.redisStorage && !storageUsage.rabbitmqStorage && (
                        <p className="text-sm text-gray-400 text-center py-4">{ad.noStorageData}</p>
                      )}
                    </div>
                  ) : (
                    <p className="text-sm text-gray-400 text-center py-4">{ad.storageMetricsUnavailable}</p>
                  )}
                </div>

                {/* Scaling Controls */}
                <div className="border-t pt-4">
                  <h3 className="text-sm font-semibold text-gray-700 mb-3 flex items-center gap-1">
                    <Settings className="w-4 h-4" />{ad.adjustCpuMemStorage}</h3>
                  <p className="text-xs text-gray-500 mb-3">
{ad.pickComponentNote}
                  </p>
                  <div className="mb-4">
                    <label className="block text-xs text-gray-500 mb-1">{ad.workload}</label>
                    <Select
                      size="md"
                      className="max-w-md"
                      ariaLabel={ad.workload}
                      value={scaleWorkload}
                      onChange={(v) => setScaleWorkload(v as typeof scaleWorkload)}
                      options={[
                        { value: 'app', label: ad.productTypeApp },
                        ...(app?.databaseType !== 'none' ? [{ value: 'database', label: ad.database }] : []),
                        ...(app?.enableRedis ? [{ value: 'redis', label: ad.workload }] : []),
                        ...(app?.enableRabbitmq ? [{ value: 'rabbitmq', label: ad.workload }] : []),
                      ]}
                    />
                  </div>
                  <div className="grid grid-cols-2 sm:grid-cols-3 gap-4">
                    <div>
                      <label className="block text-xs text-gray-500 mb-1">{ad.cpuRequest}</label>
                      <input
                        type="text"
                        value={resourceForm.cpuRequest}
                        onChange={(e) => patchResourceForm({ cpuRequest: e.target.value })}
                        className="input-field text-sm"
                        placeholder="100m"
                      />
                    </div>
                    <div>
                      <label className="block text-xs text-gray-500 mb-1">{ad.cpuLimit}</label>
                      <input
                        type="text"
                        value={resourceForm.cpuLimit}
                        onChange={(e) => patchResourceForm({ cpuLimit: e.target.value })}
                        className="input-field text-sm"
                        placeholder="500m"
                      />
                    </div>
                    <div>
                      <label className="block text-xs text-gray-500 mb-1">{ad.memoryRequest}</label>
                      <input
                        type="text"
                        value={resourceForm.memoryRequest}
                        onChange={(e) => patchResourceForm({ memoryRequest: e.target.value })}
                        className="input-field text-sm"
                        placeholder="128Mi"
                      />
                    </div>
                    <div>
                      <label className="block text-xs text-gray-500 mb-1">{ad.memoryLimit}</label>
                      <input
                        type="text"
                        value={resourceForm.memoryLimit}
                        onChange={(e) => patchResourceForm({ memoryLimit: e.target.value })}
                        className="input-field text-sm"
                        placeholder="512Mi"
                      />
                    </div>
                    {scaleWorkload === 'app' && (
                      <div>
                        <label className="block text-xs text-gray-500 mb-1">{ad.replicas}</label>
                        <div className="flex items-center gap-2">
                          <button
                            type="button"
                            onClick={() => patchResourceForm({ replicas: Math.max(1, resourceForm.replicas - 1) })}
                            className="btn-icon w-9 h-9"
                          >
                            −
                          </button>
                          <span className="text-lg font-bold text-gray-800 w-8 text-center">{resourceForm.replicas}</span>
                          <button
                            type="button"
                            onClick={() => patchResourceForm({ replicas: Math.min(10, resourceForm.replicas + 1) })}
                            className="btn-icon w-9 h-9"
                          >
                            +
                          </button>
                        </div>
                      </div>
                    )}
                  </div>

                  {(() => {
                    const storageCfg = workloadStorageConfig();
                    if (!storageCfg) return null;
                    return (
                      <div className="mt-4 p-4 bg-gray-50 rounded-xl border border-gray-200">
                        <label className="block text-xs font-medium text-gray-600 mb-2">
                          Storage — {storageCfg.label}
                        </label>
                        <p className="text-[11px] text-gray-500 mb-2">
                          Current: {storageCfg.currentGi.toFixed(1)} GiB allocated (expand only, no shrink). Applied with
                          Apply changes.
                        </p>
                        <div className="flex flex-wrap items-center gap-2">
                          <div className="flex items-center border border-gray-300 rounded-lg overflow-hidden bg-white">
                            <button
                              type="button"
                              onClick={() => {
                                const c = parseInt(storageCfg.value, 10);
                                if (c > storageCfg.minGi + 1) storageCfg.setValue(String(c - 1));
                              }}
                              className="px-2 py-1.5 bg-gray-100 hover:bg-gray-200 text-gray-700 font-bold text-xs"
                            >
                              −
                            </button>
                            <input
                              type="number"
                              min={storageCfg.minGi + 1}
                              max={storageCfg.maxGi}
                              value={storageCfg.value}
                              onChange={(e) => {
                                const val = Math.max(
                                  storageCfg.minGi + 1,
                                  Math.min(storageCfg.maxGi, parseInt(e.target.value, 10) || storageCfg.minGi + 1),
                                );
                                storageCfg.setValue(String(val));
                              }}
                              className="w-14 text-center py-1.5 border-x border-gray-300 text-xs font-semibold focus:outline-none"
                            />
                            <button
                              type="button"
                              onClick={() => {
                                const c = parseInt(storageCfg.value, 10);
                                if (c < storageCfg.maxGi) storageCfg.setValue(String(c + 1));
                              }}
                              className="px-2 py-1.5 bg-gray-100 hover:bg-gray-200 text-gray-700 font-bold text-xs"
                            >
                              +
                            </button>
                          </div>
                          <span className="text-xs text-gray-600">GiB</span>
                        </div>
                      </div>
                    );
                  })()}

                  <div className="grid grid-cols-1 sm:grid-cols-3 gap-4 mt-4">
                    <div className="sm:col-span-2" />
                    <div className="flex items-end">
                      <button
                        type="button"
                        onClick={handleScaleResources}
                        disabled={
                          scaleMutation.isPending ||
                          calculateUpgradeCostMutation.isPending ||
                          directPatchResourcesMutation.isPending
                        }
                        className="btn-primary text-sm w-full disabled:opacity-50"
                      >
                        {directPatchResourcesMutation.isPending ? (
                          <><Clock className="w-3 h-3 inline animate-spin" />{ad.applying}</>
                        ) : scaleMutation.isPending || calculateUpgradeCostMutation.isPending ? (
                          <><Clock className="w-3 h-3 inline animate-spin" />{ad.calculating}</>
                        ) : (
                          <><RefreshCw className="w-3 h-3 inline" />{ad.applyChanges}</>
                        )}
                      </button>
                    </div>
                  </div>
                </div>
              </>
            ) : (
              <div className="text-center py-6">
                <p className="text-gray-400 text-sm">
                  {isStopped ? 'Application is stopped. Start it to see resources.' : 'No resource data available yet.'}
                </p>
              </div>
            )}
          </div>
        )}
      </div>

      {/* Snapshots & Rollback */}
      <div className="card">
        <div className="flex items-center justify-between mb-4">
          <h2 className="text-lg font-semibold text-gray-900 flex items-center gap-2"><History className="w-5 h-5" />{ad.rollbackSnapshots}</h2>
          <div className="flex items-center gap-2">
            <button
              onClick={() => createSnapshotMutation.mutate()}
              disabled={createSnapshotMutation.isPending}
              className="btn-secondary text-sm disabled:opacity-50"
            >
              {createSnapshotMutation.isPending
                ? <><Clock className="w-3 h-3 inline animate-spin" />{ad.creating}</>
                : <><Camera className="w-3 h-3 inline" />{ad.newSnapshot}</>}
            </button>
            <button
              onClick={() => setShowSnapshots(!showSnapshots)}
              className="btn-secondary text-sm"
            >
              {showSnapshots ? <><ChevronDown className="w-4 h-4 inline" />{ad.hide}</> : <><History className="w-4 h-4 inline" />{ad.show}</>}
            </button>
          </div>
        </div>

        {showSnapshots && (
          <div className="space-y-4">
            {/* Tab switcher */}
            <div className="flex gap-1 p-1 bg-gray-100 rounded-xl">
              <button
                onClick={() => setSnapshotTab('revisions')}
                className={`flex-1 flex items-center justify-center gap-2 px-4 py-2 rounded-lg text-sm font-medium transition-all ${
                  snapshotTab === 'revisions' ? 'bg-white text-gray-900 shadow-sm' : 'text-gray-500 hover:text-gray-700'
                }`}
              >
                <Zap className="w-4 h-4" />{ad.k8sRevisions}<span className="text-xs px-1.5 py-0.5 rounded-full bg-amber-100 text-amber-700 font-medium">{ad.instant}</span>
              </button>
              <button
                onClick={() => setSnapshotTab('snapshots')}
                className={`flex-1 flex items-center justify-center gap-2 px-4 py-2 rounded-lg text-sm font-medium transition-all ${
                  snapshotTab === 'snapshots' ? 'bg-white text-gray-900 shadow-sm' : 'text-gray-500 hover:text-gray-700'
                }`}
              >
                <Camera className="w-4 h-4" />{ad.fileSnapshots}<span className="text-xs px-1.5 py-0.5 rounded-full bg-blue-100 text-blue-700 font-medium">{ad.full}</span>
              </button>
            </div>

            {/* ─── K8s Revisions Tab ─── */}
            {snapshotTab === 'revisions' && (
              <div className="space-y-3">
                <div className="bg-amber-50 border border-amber-200 rounded-xl p-3">
                  <p className="text-xs text-amber-700">
                    <Zap className="w-3 h-3 inline" /> <strong>{ad.instantRollback}</strong> {ad.revisionsHelmNote}
                  </p>
                </div>

                {revisionsLoading ? (
                  <div className="text-center py-8 text-gray-400 text-sm">{ad.loadingRevisions}</div>
                ) : !revisionData?.revisions?.length ? (
                  <div className="text-center py-8">
                    <History className="w-8 h-8 mx-auto text-gray-300 mb-2" />
                    <p className="text-gray-500 text-sm">{ad.noRevisions}</p>
                    <p className="text-gray-400 text-xs mt-1">{ad.revisionsAfterDeploy}</p>
                  </div>
                ) : (
                  <div className="space-y-2 max-h-[500px] overflow-y-auto">
                    {revisionData.revisions.map((rev) => (
                      <div key={rev.revision} className={`border rounded-xl p-4 transition-all ${
                        rev.isCurrent ? 'border-green-300 bg-green-50 ring-1 ring-green-200' : 'border-gray-200 bg-white hover:border-gray-300'
                      }`}>
                        <div className="flex items-center justify-between gap-3">
                          <div className="flex-1 min-w-0">
                            <div className="flex items-center gap-2 flex-wrap">
                              <span className="text-sm font-semibold text-gray-900">{ad.revision} {rev.revision}</span>
                              {rev.isCurrent && (
                                <span className="text-xs px-2 py-0.5 rounded-full bg-green-100 text-green-700 font-medium flex items-center gap-1">
                                  <CheckCircle className="w-3 h-3" />{ad.current}</span>
                              )}
                            </div>
                            <p className="text-xs text-gray-500 mt-1 truncate" title={rev.changeCause}>{rev.changeCause}</p>
                            <p className="text-xs text-gray-400 mt-0.5">{new Date(rev.createdAt).toLocaleString(locale)}</p>
                          </div>

                          {!rev.isCurrent && (
                            <button
                              onClick={() => handleRevisionRollback(rev)}
                              disabled={revisionRollbackMutation.isPending}
                              className="flex items-center gap-1.5 px-3 py-1.5 text-xs font-medium text-amber-700 bg-amber-50 border border-amber-200 rounded-lg hover:bg-amber-100 transition-colors disabled:opacity-50"
                              title={ad.instantRollbackTitle}
                            >
                              <RotateCcw className="w-3.5 h-3.5" />{ad.rollback}</button>
                          )}
                        </div>
                      </div>
                    ))}
                  </div>
                )}
              </div>
            )}

            {/* ─── File Snapshots Tab ─── */}
            {snapshotTab === 'snapshots' && (
              <div className="space-y-4">
                {/* Download current live state */}
                <div className="bg-blue-50 border border-blue-200 rounded-xl p-4">
                  <h3 className="text-sm font-semibold text-blue-800 mb-3 flex items-center gap-2">
                    <Download className="w-4 h-4" />{ad.downloadCurrentState}</h3>
                  <p className="text-xs text-blue-600 mb-3">{ad.downloadCurrentNote}</p>
                  <div className="flex flex-wrap gap-2">
                    {app.codePath && (
                      <button
                        onClick={() => downloadCurrentArtifact('source')}
                        disabled={!!downloadingArtifact}
                        className="text-xs px-3 py-1.5 rounded-lg bg-white border border-blue-200 text-blue-700 hover:bg-blue-100 transition-colors flex items-center gap-1 disabled:opacity-50 disabled:cursor-not-allowed"
                      >
                        {downloadingArtifact === 'source' ? (
                          <><RefreshCw className="w-3 h-3 animate-spin" />{ad.downloading2}</>
                        ) : (
                          <><Archive className="w-3 h-3" />{ad.sourceCode}</>
                        )}
                      </button>
                    )}
                    {app.runtime?.toLowerCase() === 'wordpress' && (
                      <button
                        onClick={() => downloadCurrentArtifact('wp-content')}
                        disabled={!!downloadingArtifact}
                        className="text-xs px-3 py-1.5 rounded-lg bg-white border border-blue-200 text-blue-700 hover:bg-blue-100 transition-colors flex items-center gap-1 disabled:opacity-50 disabled:cursor-not-allowed"
                      >
                        {downloadingArtifact === 'wp-content' ? (
                          <><RefreshCw className="w-3 h-3 animate-spin" />{ad.downloading2}</>
                        ) : (
                          <><Archive className="w-3 h-3" /> wp-content</>
                        )}
                      </button>
                    )}
                    {app.databaseType && app.databaseType.toLowerCase() !== 'none' && (
                      <button
                        onClick={() => downloadCurrentArtifact('database')}
                        disabled={!!downloadingArtifact}
                        className="text-xs px-3 py-1.5 rounded-lg bg-white border border-blue-200 text-blue-700 hover:bg-blue-100 transition-colors flex items-center gap-1 disabled:opacity-50 disabled:cursor-not-allowed"
                      >
                        {downloadingArtifact === 'database' ? (
                          <><RefreshCw className="w-3 h-3 animate-spin" />{ad.downloading2}</>
                        ) : (
                          <><Database className="w-3 h-3" />{ad.databaseDump}</>
                        )}
                      </button>
                    )}
                  </div>
                </div>

                <div className="bg-gray-50 border border-gray-200 rounded-xl p-3">
                  <p className="text-xs text-gray-500">
                    <Camera className="w-3 h-3 inline" /> <strong>{ad.fullSnapshots}</strong> {ad.snapshotsIncludeNote}
                  </p>
                </div>

                {/* Snapshot list */}
                {snapshotsLoading ? (
                  <div className="text-center py-8 text-gray-400 text-sm">{ad.loadingSnapshots}</div>
                ) : snapshots.length === 0 ? (
                  <div className="text-center py-8">
                    <Camera className="w-8 h-8 mx-auto text-gray-300 mb-2" />
                    <p className="text-gray-500 text-sm">{ad.noSnapshots}</p>
                    <p className="text-gray-400 text-xs mt-1">{ad.snapshotsAutoNote}</p>
                  </div>
                ) : (
                  <div className="space-y-3 max-h-[500px] overflow-y-auto">
                    {snapshots.map((snap) => (
                      <div key={snap.id} className={`border rounded-xl p-4 transition-all ${
                        snap.status === 'completed' ? 'border-gray-200 bg-white' :
                        snap.status === 'in_progress' ? 'border-blue-200 bg-blue-50' :
                        'border-red-200 bg-red-50'
                      }`}>
                        <div className="flex items-start justify-between gap-3">
                          <div className="flex-1 min-w-0">
                            <div className="flex items-center gap-2 flex-wrap">
                              <p className="text-sm font-medium text-gray-900 truncate">{snap.label || 'Untitled'}</p>
                              <span className={`text-xs px-2 py-0.5 rounded-full font-medium ${
                                snap.type === 'pre_deploy' ? 'bg-purple-100 text-purple-700' : 'bg-gray-100 text-gray-600'
                              }`}>
                                {snap.type === 'pre_deploy' ? 'Auto' : 'Manual'}
                              </span>
                              <span className={`text-xs px-2 py-0.5 rounded-full font-medium ${
                                snap.status === 'completed' ? 'bg-green-100 text-green-700' :
                                snap.status === 'in_progress' ? 'bg-blue-100 text-blue-700' :
                                'bg-red-100 text-red-700'
                              }`}>
                                {snap.status === 'in_progress' ? 'Creating...' : snap.status}
                              </span>
                            </div>
                            <p className="text-xs text-gray-500 mt-1">
                              {new Date(snap.createdAt).toLocaleString(locale)}
                              {snap.imageTag && <span className="ml-2 font-mono text-gray-400">image: {snap.imageTag.split(':').pop()?.slice(0, 12)}</span>}
                            </p>

                            {/* Artifact sizes */}
                            {snap.status === 'completed' && (
                              <div className="flex flex-wrap gap-3 mt-2">
                                {snap.appArchivePath && (
                                  <span className="text-xs text-gray-500 flex items-center gap-1">
                                    <Package className="w-3 h-3" /> Source: {formatBytes(snap.appArchiveSize)}
                                  </span>
                                )}
                                {snap.wpContentArchivePath && (
                                  <span className="text-xs text-gray-500 flex items-center gap-1">
                                    <Archive className="w-3 h-3" /> wp-content: {formatBytes(snap.wpContentSize)}
                                  </span>
                                )}
                                {snap.dbDumpPath && (
                                  <span className="text-xs text-gray-500 flex items-center gap-1">
                                    <Database className="w-3 h-3" /> DB: {formatBytes(snap.dbDumpSize)}
                                  </span>
                                )}
                              </div>
                            )}

                            {snap.errorMessage && (
                              <p className="text-xs text-red-500 mt-1 truncate" title={snap.errorMessage}>
                                <XCircle className="w-3 h-3 inline" /> {snap.errorMessage}
                              </p>
                            )}
                          </div>

                          {/* Actions */}
                          {snap.status === 'completed' && (
                            <div className="flex items-center gap-1 shrink-0">
                              {snap.appArchivePath && (
                                <button
                                  onClick={() => downloadSnapshotArtifact(snap.id, 'source')}
                                  className="p-1.5 text-gray-400 hover:text-blue-600 hover:bg-blue-50 rounded-lg transition-colors"
                                  title={ad.downloadSource}
                                >
                                  <Download className="w-4 h-4" />
                                </button>
                              )}
                              {snap.wpContentArchivePath && (
                                <button
                                  onClick={() => downloadSnapshotArtifact(snap.id, 'wp-content')}
                                  className="p-1.5 text-gray-400 hover:text-purple-600 hover:bg-purple-50 rounded-lg transition-colors"
                                  title={ad.downloadWpContent}
                                >
                                  <Archive className="w-4 h-4" />
                                </button>
                              )}
                              {snap.dbDumpPath && (
                                <button
                                  onClick={() => downloadSnapshotArtifact(snap.id, 'database')}
                                  className="p-1.5 text-gray-400 hover:text-green-600 hover:bg-green-50 rounded-lg transition-colors"
                                  title={ad.downloadDatabaseDump}
                                >
                                  <Database className="w-4 h-4" />
                                </button>
                              )}
                              <button
                                onClick={() => handleRollback(snap)}
                                disabled={rollbackMutation.isPending}
                                className="p-1.5 text-gray-400 hover:text-amber-600 hover:bg-amber-50 rounded-lg transition-colors disabled:opacity-50"
                                title={ad.rollbackSnapTitleBtn}
                              >
                                <RotateCcw className="w-4 h-4" />
                              </button>
                              <button
                                onClick={() => handleDeleteSnapshot(snap)}
                                disabled={deletingSnapshotId !== null}
                                className="p-1.5 text-gray-400 hover:text-red-600 hover:bg-red-50 rounded-lg transition-colors disabled:opacity-50"
                                title={ad.deleteSnapshot}
                              >
                                {deletingSnapshotId === snap.id ? (
                                  <Clock className="w-4 h-4 animate-spin" />
                                ) : (
                                  <Trash2 className="w-4 h-4" />
                                )}
                              </button>
                            </div>
                          )}
                        </div>
                      </div>
                    ))}
                  </div>
                )}

                <p className="text-xs text-gray-400 text-center">{ad.maxSnapshots}</p>
              </div>
            )}
          </div>
        )}
      </div>

      <WorkloadLogsPanel
        appId={appId}
        showBuildLogs={isApplicationProduct(app)}
        isRunning={isRunning}
        isStopped={isStopped}
      />
    </div>
    </>
  );
}