// 劳动合同（/hr/contracts）—— 供「原合同信息」带出使用，对齐 PC kd-aiot-frontend-hr
import { get } from "@/utils/request";
import Vue from "vue";

function ok(res) {
  return res && Number(res.code) === 0;
}

function fmtDate(value) {
  if (!value) return "";
  return String(value).slice(0, 10);
}

/** 合同后端 DTO → 前端展示对象（仅保留原合同信息所需字段） */
export function adaptContract(item = {}) {
  const startDate = fmtDate(item.startDate);
  const endDate = fmtDate(item.endDate);
  const contractTerm =
    item.contractTerm ||
    (item.contractTermMonths != null && item.contractTermMonths !== ""
      ? `${item.contractTermMonths}个月`
      : "");
  return {
    id: item.id != null ? item.id : item.contractId,
    contractNo: item.contractNo || item.contractCode || "",
    contractTerm,
    startDate,
    endDate,
    periodText: [startDate, endDate].filter(Boolean).join(" 至 "),
    positionLevel: item.positionLevel || item.positionLevelName || "",
    statusCode: String(item.contractStatus || "").toUpperCase(),
  };
}

/** 员工合同状态 GET /hr/contracts/employee/{employeeId}/status */
export async function getEmployeeContractStatus(employeeId, loding = false) {
  if (employeeId == null || employeeId === "") return null;
  const res = await get(
    Vue.prototype.apiUrl + `/hr/contracts/employee/${employeeId}/status`,
    {},
    loding
  );
  if (!ok(res)) return null;
  return res.data || null;
}

/** 合同详情 GET /hr/contracts/{id} */
export async function getContractById(id, loding = false) {
  if (id == null || id === "") return null;
  const res = await get(Vue.prototype.apiUrl + `/hr/contracts/${id}`, {}, loding);
  if (!ok(res)) return null;
  return adaptContract(res.data || {});
}

/**
 * 带出员工「原合同信息」：
 * 1) 合同状态接口取该员工合同主键（优先生效中合同，否则最新一条）
 * 2) 合同详情取签订年限、合同期限与岗位层级快照
 * 任一环节失败都返回空值，不阻断主流程。
 */
export async function loadEmployeeContractInfo(employeeId, loding = false) {
  const empty = { contractTerm: "", periodText: "", positionLevel: "", contractNo: "" };
  if (employeeId == null || employeeId === "") return empty;
  try {
    const status = await getEmployeeContractStatus(employeeId, loding);
    const contracts = Array.isArray(status && status.contracts)
      ? status.contracts
      : status && (status.contractId != null || status.id != null)
        ? [status]
        : [];
    if (!contracts.length) return empty;
    const current =
      contracts.find(
        (item) => String(item.contractStatus || "").toUpperCase() === "EFFECTIVE"
      ) || contracts[0];
    const contractId = current && (current.contractId || current.id);
    if (contractId == null || contractId === "") return empty;
    const detail = await getContractById(contractId, loding);
    if (!detail) return empty;
    return {
      contractTerm: detail.contractTerm || "",
      periodText: detail.periodText || "",
      positionLevel: detail.positionLevel || "",
      contractNo: detail.contractNo || "",
    };
  } catch (error) {
    return empty;
  }
}