/**
 * useIntegrationKey Hook
 *
 * TanStack Query hook for fetching a single integration key by ID.
 *
 * Features:
 * - Automatic caching with 5-minute stale time
 * - Background refetching
 * - Request deduplication
 * - Loading and error states
 *
 * @layer Presentation - TanStack Query Hook
 */

import { useQuery } from '@tanstack/react-query';
import { queryKeys } from '@/lib/query-keys';
import { integrationKeysApi } from '@/infrastructure/http/api/integration-keys/api';
import type { IntegrationKey } from '@/domain/entities/IntegrationKey';

interface UseIntegrationKeyOptions {
  enabled?: boolean;
}

/**
 * Fetches a single integration key by ID
 *
 * @param id - Integration key ID
 * @param options - Query options (enabled, etc.)
 * @returns TanStack Query result with integration key data
 *
 * @example
 * ```typescript
 * const { data: key, isLoading, error } = useIntegrationKey('key-123');
 *
 * if (isLoading) return <Spinner />;
 * if (error) return <Error message={error.message} />;
 * if (!key) return null;
 *
 * return <KeyDetails key={key} />;
 * ```
 */
export function useIntegrationKey(id: string | undefined, options?: UseIntegrationKeyOptions) {
  return useQuery<IntegrationKey | null, Error>({
    queryKey: queryKeys.integrationKeys.detail(id || ''),
    queryFn: async () => {
      if (!id) return null;

      // Get all keys and find the one we need
      // Note: API doesn't have a single key endpoint, so we filter from list
      const tenantId = localStorage.getItem('selectedTenantId');
      if (!tenantId) {
        throw new Error('No tenant selected');
      }

      const { keys } = await integrationKeysApi.listKeys(tenantId);
      const key = keys.find((k) => k.id === id);

      return key || null;
    },
    enabled: options?.enabled !== false && !!id,
    staleTime: 5 * 60 * 1000, // 5 minutes
  });
}