/**
 * useTenants Hook
 *
 * React hook for accessing tenants list via TanStack Query.
 * Provides tenants list 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';
import { authenticatedUserStore } from '@/infrastructure/storage/AuthenticatedUserStore';

/**
 * useTenants Hook
 *
 * Fetches tenants list for the current company using TanStack Query.
 *
 * @returns TanStack Query result with tenants array and pagination metadata
 *
 * @example
 * ```tsx
 * function TenantsList() {
 *   const { data, isLoading, error } = useTenants();
 *
 *   if (isLoading) return <div>Loading...</div>;
 *   if (error) return <div>Error: {error.message}</div>;
 *
 *   const { tenants, pagination } = data || { tenants: [], pagination: {} };
 *
 *   return (
 *     <ul>
 *       {tenants.map(tenant => (
 *         <li key={tenant.id}>{tenant.name}</li>
 *       ))}
 *     </ul>
 *   );
 * }
 * ```
 */
export function useTenants() {
  const companyId = authenticatedUserStore.get()?.companyId || '';

  return useQuery({
    queryKey: queryKeys.tenants.list({ companyId }),
    queryFn: async () => {
      const result = await tenantsApi.listTenants(companyId);
      return result;
    },
    enabled: !!companyId,
  });
}