// ============================================================
// 영업관리 > 구매요청서관리 / 품의서관리 (wace_plm 1:1)
// 백엔드: /api/sales/purchase-request, /api/sales/purchase-proposal
// ============================================================

import { apiClient } from "./client";

export interface SalesPurchaseRequestFilter {
  project_no?: string;
  part_no?: string;
  part_name?: string;
  purchase_type?: string;
  writer?: string;
  part_type?: string;
  search_status?: string;
  proposal_no?: string;
  regdate_start?: string;
  regdate_end?: string;
  page?: number;
  page_size?: number;
}

export interface SalesPurchaseRequestListResponse<T = any> {
  rows: T[];
  totalCount: number;
  page: number;
  pageSize: number;
}

async function getList<T = any>(
  path: string,
  filter: SalesPurchaseRequestFilter,
): Promise<SalesPurchaseRequestListResponse<T>> {
  const res = await apiClient.get(`/sales/${path}`, { params: filter });
  return res.data?.data as SalesPurchaseRequestListResponse<T>;
}

export interface PurchaseRequestPartInput {
  objid?: string;
  part_objid: string;
  part_name?: string;
  qty?: string | number;
  org_qty?: string | number;
  partner_objid?: string;
  partner_price?: string | number;
  delivery_request_date?: string;
  status?: string;
}

export interface SavePurchaseRequestPayload {
  objid?: string;
  project_no?: string;
  mbom_header_objid?: string;
  purchase_type?: string;
  order_type?: string;
  product_name?: string;
  area_cd?: string;
  customer_objid?: string;
  paid_type?: string;
  delivery_request_date?: string;
  parts: PurchaseRequestPartInput[];
}

export interface MbomPartItem {
  mbom_detail_objid: string;
  part_objid: string;
  mbom_header_objid: string;
  part_no: string;
  part_name: string;
  unit: string;
  qty: number;
  unit_price: number;
  vendor_objid: string;
  vendor_name: string;
}

export interface ProjectAutoFillInfo {
  objid: string;
  project_no: string;
  project_name: string;
  category_cd: string | null;
  category_name: string | null;
  customer_objid: string | null;
  customer_name: string | null;
  product: string | null;
  product_name: string | null;
  area_cd: string | null;
  area_name: string | null;
  paid_type: string | null;
  contract_objid: string | null;
  mbom_header_objid: string | null;
}

export interface ProposalTargetPart {
  objid: string;
  part_objid: string;
  part_no: string;
  part_name: string;
  qty: string;
  unit_price: number;
  total_price: number | null;
  vendor_pm: string;
  vendor_name: string;
}

export const salesPurchaseRequestApi = {
  listPurchaseRequestReg:  (f: SalesPurchaseRequestFilter = {}) => getList("purchase-request",  f),
  listPurchaseRegProposal: (f: SalesPurchaseRequestFilter = {}) => getList("purchase-proposal", f),

  async listVendors(): Promise<Array<{ code: string; label: string }>> {
    const res = await apiClient.get("/sales/purchase-request/vendors");
    return (res.data?.data ?? []) as Array<{ code: string; label: string }>;
  },

  async getProjectAutoFill(projectObjid: string): Promise<ProjectAutoFillInfo | null> {
    const res = await apiClient.get(`/sales/purchase-request/project-info/${projectObjid}`);
    return (res.data?.data ?? null) as ProjectAutoFillInfo | null;
  },

  async listMbomParts(projectObjid: string): Promise<MbomPartItem[]> {
    const res = await apiClient.get("/sales/purchase-request/mbom-parts", {
      params: { project_objid: projectObjid },
    });
    return (res.data?.data ?? []) as MbomPartItem[];
  },

  async getDetail(objid: string): Promise<{ header: any; parts: any[] }> {
    const res = await apiClient.get(`/sales/purchase-request/${objid}`);
    return res.data?.data as { header: any; parts: any[] };
  },

  async getProposalTargets(objid: string): Promise<{ targets: ProposalTargetPart[]; excluded: ProposalTargetPart[] }> {
    const res = await apiClient.get(`/sales/purchase-request/${objid}/proposal-targets`);
    return res.data?.data as { targets: ProposalTargetPart[]; excluded: ProposalTargetPart[] };
  },

  async save(payload: SavePurchaseRequestPayload): Promise<{ objid: string; request_mng_no: string | null; isNew: boolean }> {
    const res = await apiClient.post("/sales/purchase-request", payload);
    return res.data?.data;
  },

  async createProposal(srmObjid: string): Promise<{ proposal_objid: string; proposal_no: string; part_count: number }> {
    const res = await apiClient.post(`/sales/purchase-request/${srmObjid}/proposal`, {});
    return res.data?.data;
  },

  async startApproval(proposalObjid: string, opts: { approvalTitle?: string; subjectStr?: string } = {}): Promise<{
    fullUrl: string; approKey: string; status: string; proposalObjid: string;
  }> {
    const res = await apiClient.post(`/sales/purchase-proposal/${proposalObjid}/approval`, opts);
    return res.data?.data;
  },
};