import { useQueryClient } from '@tanstack/react-query';
import {
  useListSupplierItems,
  createSupplierItem,
  updateSupplyType,
  deleteSupplierItem,
  getListSupplierItemsQueryKey,
} from '@/api/generated/supplier-item/supplier-item';
import type { SupplierItemData } from '@/api/generated/model/supplierItemData';

// 협력사 취급상품(매핑) 서버 데이터 + CRUD. 협력사 상세(PartnerFormSheet)에서 쓴다.
// supplierId 가 없으면(신규 등록 폼) 쿼리는 비활성.
export function useSupplierItems(supplierId: string | undefined) {
  const queryClient = useQueryClient();
  const listQuery = useListSupplierItems(supplierId ?? '', { query: { enabled: !!supplierId } });

  const refresh = () =>
    supplierId
      ? queryClient.invalidateQueries({ queryKey: getListSupplierItemsQueryKey(supplierId) })
      : Promise.resolve();

  const items: SupplierItemData[] = listQuery.data?.supplier_items ?? [];

  const addItem = async (itemId: string, supplyType: number) => {
    if (!supplierId) return;
    const res = await createSupplierItem({ supplier_id: supplierId, item_id: itemId, supply_type: supplyType });
    const r = res.result;
    if (r && r.success === false) {
      throw new Error(r.desc === 'DB_ALREADY_SAME_KEY' ? '이미 등록된 취급상품입니다.' : r.desc || '취급상품 추가 실패');
    }
    await refresh();
  };

  const changeType = async (supplierItemId: string, supplyType: number) => {
    await updateSupplyType(supplierItemId, { supply_type: supplyType });
    await refresh();
  };

  const removeItem = async (supplierItemId: string) => {
    await deleteSupplierItem(supplierItemId);
    await refresh();
  };

  return { items, isLoading: listQuery.isLoading, addItem, changeType, removeItem };
}