import type {
  OptionalServiceResourceConfig,
  OptionalServiceResourcesMap,
  PricingCatalog,
} from '@/types';

export type OptionalServiceKey = keyof OptionalServiceResourcesMap;

const FALLBACK_OPTIONAL_RESOURCES: Record<OptionalServiceKey, OptionalServiceResourceConfig> = {
  database: {
    cpuRequest: '100m',
    cpuLimit: '500m',
    memoryRequest: '256Mi',
    memoryLimit: '512Mi',
    storageGi: 1,
  },
  redis: {
    cpuRequest: '50m',
    cpuLimit: '200m',
    memoryRequest: '64Mi',
    memoryLimit: '256Mi',
    storageGi: 1,
  },
  rabbitmq: {
    cpuRequest: '100m',
    cpuLimit: '500m',
    memoryRequest: '256Mi',
    memoryLimit: '512Mi',
    storageGi: 2,
  },
};

export function optionalDefaultsFromCatalog(
  catalog: PricingCatalog | undefined,
  service: OptionalServiceKey,
): OptionalServiceResourceConfig {
  const profile = catalog?.optionalServices?.[service]?.profile;
  const fallback = FALLBACK_OPTIONAL_RESOURCES[service];
  if (!profile) return { ...fallback };
  return {
    cpuRequest: profile.cpuRequest || fallback.cpuRequest,
    cpuLimit: profile.cpuLimit || fallback.cpuLimit,
    memoryRequest: profile.memoryRequest || fallback.memoryRequest,
    memoryLimit: profile.memoryLimit || fallback.memoryLimit,
    storageGi: profile.storageGi ?? fallback.storageGi,
  };
}

export function managedServiceTypeLabel(productType?: string): string {
  switch (productType) {
    case 'managed_database':
      return 'Managed Database';
    case 'managed_redis':
      return 'Managed Redis';
    case 'managed_rabbitmq':
      return 'Managed RabbitMQ';
    default:
      return 'Service';
  }
}