// lib/purchase-requests/validations.ts

import {
    createSearchParamsCache,
    parseAsArrayOf,
    parseAsInteger,
    parseAsString,
    parseAsStringEnum,
    parseAsBoolean
  } from "nuqs/server";
  import * as z from "zod";
  
  import { getFiltersStateParser, getSortingStateParser } from "@/lib/parsers";
  import { type PurchaseRequestView } from "@/db/schema";
  
  export const searchParamsPurchaseRequestCache = createSearchParamsCache({
    // 1) 공통 플래그
    flags: parseAsArrayOf(z.enum(["advancedTable", "floatingBar"])).withDefault([]),
  
    // 2) 페이지네이션
    page: parseAsInteger.withDefault(1),
    perPage: parseAsInteger.withDefault(10),
  
    // 3) 정렬 (PurchaseRequestView 테이블)
    sort: getSortingStateParser<PurchaseRequestView>().withDefault([
      { id: "createdAt", desc: true },
    ]),
  
    // 4) 상태 필터 (선택사항)
    status: parseAsArrayOf(
      z.enum(["작성중", "RFQ생성완료"])
    ).withDefault([]),
  
    // 5) 날짜 범위 필터 (선택사항)
    dateFrom: parseAsString.withDefault(""),
    dateTo: parseAsString.withDefault(""),
  
    // 6) 고급 필터 (nuqs - filterColumns)
    filters: getFiltersStateParser().withDefault([]),
    joinOperator: parseAsStringEnum(["and", "or"]).withDefault("and"),
  
    // 7) 글로벌 검색어
    search: parseAsString.withDefault(""),
  });
  
  export type GetPurchaseRequestsSchema = Awaited<
    ReturnType<typeof searchParamsPurchaseRequestCache.parse>
  >;
  
  // 구매요청 생성/수정 스키마
  export const purchaseRequestFormSchema = z.object({
    requestTitle: z.string().min(1, "요청 제목을 입력하세요"),
    requestDescription: z.string().optional(),
    projectId: z.number().optional(),
    projectCode: z.string().optional(),
    projectName: z.string().optional(),
    projectCompany: z.string().optional(),
    projectSite: z.string().optional(),
    classNo: z.string().optional(),
    packageNo: z.string().optional(),
    packageName: z.string().optional(),
    majorItemMaterialCategory: z.string().optional(),
    majorItemMaterialDescription: z.string().optional(),
    smCode: z.string().optional(),
    estimatedBudget: z.string().optional(),
    requestedDeliveryDate: z.date().optional(),
    engPicId: z.number().optional(),
    engPicName: z.string().optional(),
    purchasePicId: z.number().optional(),
    purchasePicName: z.string().optional(),
    items: z.array(
      z.object({
        id: z.string(),
        itemCode: z.string().min(1, "아이템 코드를 입력하세요"),
        itemName: z.string().min(1, "아이템명을 입력하세요"),
        specification: z.string(),
        quantity: z.number().min(1, "수량은 1 이상이어야 합니다"),
        unit: z.string().min(1, "단위를 입력하세요"),
        estimatedUnitPrice: z.number().optional(),
        remarks: z.string().optional(),
      })
    ).min(1, "최소 1개 이상의 아이템을 추가하세요"),
  });
  
  export type PurchaseRequestFormData = z.infer<typeof purchaseRequestFormSchema>;