import createAxios from '@/utils/request';
import type {
  ExportFormat,
  IAllocationResult,
  IPurchaseOrderItem,
  PurchaseExportType,
} from '@/domain/iPurchaseOrder.ts';
import { downloadBlob } from '@/api/common/download.ts';

export interface PurchaseItemUpdateParams {
  product_name?: string;
  product_spec?: string;
  price: number | string;
  quantity: number | string;
  weight?: number | string;
  remark?: string;
}

/** C1 按门店订单汇总生成采购单 */
export async function generatePurchase(purchase_date: string) {
  return createAxios<{ id: number; purchase_no: string }>({
    url: '/purchase/order/generate',
    method: 'post',
    data: { purchase_date },
  });
}

/** C2/C3 导出采购单（blob 下载） */
export async function exportPurchase(id: number, type: PurchaseExportType, format: ExportFormat) {
  return downloadBlob(
    `/purchase/order/${id}/export`,
    { type, format },
    `采购单_${id}.${format}`
  );
}

/** C4 修改采购明细（amount 由后端重算） */
export async function updatePurchaseItem(id: number, data: PurchaseItemUpdateParams) {
  return createAxios<{ amount: string }>({
    url: `/purchase/order/item/${id}`,
    method: 'put',
    data,
  });
}

/** C5/C6 明细发送供应商 */
export async function sendPurchaseItem(id: number) {
  return createAxios({
    url: `/purchase/order/item/${id}/send`,
    method: 'put',
  });
}

/** D3 执行金额分摊 */
export async function allocatePurchase(id: number) {
  return createAxios<{ count: number }>({
    url: `/purchase/order/${id}/allocate`,
    method: 'post',
  });
}

/** 分摊结果（按门店 / 按商品聚合） */
export async function getAllocation(id: number) {
  return createAxios<IAllocationResult>({
    url: `/purchase/order/${id}/allocation`,
    method: 'get',
  });
}

export type { IPurchaseOrderItem };