// ============================================================================
// 보험계약 API — 백엔드 /api/contracts (ContractController)
// 계약(contract): 고객이 가입한 보험증권 1건. 모든 수수료 계산의 출발점.
//  - premium(보험료): 계약자가 내는 보험료. payCycle(납입주기): 월납/연납 등.
//  - policyNo(증권번호): 계약 식별 번호. contractorName(계약자)/insuredName(피보험자).
// ============================================================================
import api, { PageResponse, unwrap } from './request';

// 계약 조회 응답. 설계사/상품/보험사/보험료/상태 등 계약 요약.
export interface ContractResp {
  contractId: number;
  agentId: number;
  agentName: string;
  orgName?: string;
  productCode?: string;
  productName?: string;
  companyCode?: string;
  companyName?: string;
  insuranceType?: string;
  policyNo: string;
  contractorName?: string;
  insuredName?: string;
  premium?: number;
  payCycle?: string;
  payCycleName?: string;
  status: string;
  statusName?: string;
  contractDate: string;
  salesChannel?: string;
  salesChannelName?: string;
}

export interface ContractSearchParam {
  pageNum?: number;
  pageSize?: number;
  searchKeyword?: string;
  agentId?: number;
  companyId?: number;
  insuranceType?: string;
  status?: string;
  startDate?: string;
  endDate?: string;
}

// 계약 등록/수정 요청. payPeriod(납입기간)/coveragePeriod(보장기간) 등 포함.
export interface ContractSaveReq {
  agentId: number;
  productId: number;
  policyNo: string;
  contractorName?: string;
  insuredName?: string;
  premium?: number;
  payCycle?: string;
  payPeriod?: number;
  coveragePeriod?: number;
  contractDate?: string;
  effectiveDate?: string;
  salesChannel?: string;
}

export const contractApi = {
  // 계약 목록 — GET /api/contracts
  list: (p: ContractSearchParam) =>
    unwrap<PageResponse<ContractResp>>(api.get('/api/contracts', { params: p })),
  // 계약 상세 — GET /api/contracts/{id}
  detail: (id: number) => unwrap<ContractResp>(api.get(`/api/contracts/${id}`)),
  // 계약 등록(생성된 id 반환) — POST /api/contracts
  create: (req: ContractSaveReq) => unwrap<number>(api.post('/api/contracts', req)),
  // 계약 수정 — PUT /api/contracts/{id}
  update: (id: number, req: ContractSaveReq) => unwrap<void>(api.put(`/api/contracts/${id}`, req)),
};