import {
  Entity,
  PrimaryGeneratedColumn,
  Column,
  CreateDateColumn,
  UpdateDateColumn,
} from 'typeorm';
import { ClusterStatus } from '../../common/enums';

export type ClusterHealthStatus = 'unknown' | 'healthy' | 'degraded' | 'unhealthy';

@Entity('clusters')
export class Cluster {
  @PrimaryGeneratedColumn('uuid')
  id: string;

  @Column()
  name: string;

  @Column({ nullable: true })
  description: string;

  @Column({ type: 'enum', enum: ClusterStatus, default: ClusterStatus.ACTIVE })
  status: ClusterStatus;

  @Column({ type: 'text' })
  kubeconfig: string; // Encrypted kubeconfig content

  @Column()
  apiServer: string;

  @Column({ nullable: true })
  region: string;

  @Column({ default: 1 })
  weight: number;

  @Column({ type: 'jsonb', default: [] })
  tags: string[];

  @Column({ default: 'unknown' })
  healthStatus: ClusterHealthStatus;

  @Column({ type: 'timestamptz', nullable: true })
  lastHealthCheckedAt: Date;

  @Column({ nullable: true })
  healthMessage: string;

  @Column({ type: 'jsonb', nullable: true })
  availableResources: Record<string, any>;

  @Column({ nullable: true })
  provider: string; // e.g., 'aws', 'gcp', 'azure', 'bare-metal'

  @Column({ default: false })
  isDefault: boolean;

  // Resource quotas (cluster-level defaults for new namespaces)
  @Column({ default: '4' })
  defaultCpuLimit: string;

  @Column({ default: '8Gi' })
  defaultMemoryLimit: string;

  @Column({ default: 10 })
  maxAppsPerUser: number;

  @Column({ type: 'jsonb', nullable: true })
  metadata: Record<string, any>;

  @CreateDateColumn()
  createdAt: Date;

  @UpdateDateColumn()
  updatedAt: Date;
}