import { useQuery } from '@tanstack/react-query';
import { apiGet } from '@/api/client';
import { useAuthStore } from '@/store/authStore';
import { useEffect } from 'react';

interface PermissionsResponse {
  permissions: string[];
  denied_permissions: string[];
  field_permissions: Record<string, any>;
  is_system_admin: boolean;
}

/**
 * Fetches the current user's resolved permissions from /api/v1/auth/me/permissions
 * and stores them in the authStore.
 */
export function useUserPermissions() {
  const { isAuthenticated, setPermissions } = useAuthStore();

  const { data, isSuccess } = useQuery<PermissionsResponse>({
    queryKey: ['user-permissions'],
    queryFn: () => apiGet<PermissionsResponse>('/auth/me/permissions'),
    enabled: isAuthenticated,
    staleTime: 5 * 60 * 1000,
    retry: 1,
  });

  useEffect(() => {
    if (isSuccess && data) {
      setPermissions(
        data.permissions || [],
        data.is_system_admin || false,
        data.field_permissions || {},
      );
    }
  }, [isSuccess, data, setPermissions]);

  return { data, isSuccess };
}