/**
 * useTenant Hook
 *
 * React hook for accessing single tenant data via TanStack Query.
 * Provides tenant details by ID with automatic caching and background refetch.
 *
 * Features:
 * - Automatic caching and deduplication
 * - Background refetch on window focus
 * - Loading and error states
 * - Automatic retries on failure
 *
 * @layer Presentation
 */

import { useQuery } from '@tanstack/react-query';
import { queryKeys } from '@/lib/query-keys';
import { tenantsApi } from '@/infrastructure/http/api/tenant';

/**
 * useTenant Hook
 *
 * Fetches single tenant by ID using TanStack Query.
 *
 * @param tenantId - Tenant ID to fetch (undefined to disable query)
 * @returns TanStack Query result with tenant data
 *
 * @example
 * ```tsx
 * function TenantProfile({ tenantId }: { tenantId?: string }) {
 *   const { data: tenant, isLoading, error, refetch } = useTenant(tenantId);
 *
 *   if (isLoading) return <div>Loading...</div>;
 *   if (error) return <div>Error: {error.message}</div>;
 *   if (!tenant) return <div>Tenant not found</div>;
 *
 *   return (
 *     <div>
 *       <h1>{tenant.name}</h1>
 *       <p>{tenant.domain}</p>
 *       <p>Status: {tenant.status}</p>
 *       <button onClick={() => refetch()}>Refresh</button>
 *     </div>
 *   );
 * }
 * ```
 */
export function useTenant(tenantId: string | undefined) {
  return useQuery({
    queryKey: queryKeys.tenants.detail(tenantId!),
    queryFn: async () => {
      const tenant = await tenantsApi.getTenant(tenantId!);
      return tenant;
    },
    enabled: !!tenantId,
  });
}