import {
  fetchUserDetail,
  getServerConfig,
  request,
} from "@/utils/auth";
import { getCurrentUser, getLoginUser, saveCurrentUser } from "@/utils/storage";
function isServerMode() {
  return getServerConfig().mode === "server";
}

/**
 * 修改档案成功后，重新拉一次当前用户的 profile 接口，
 * 把最新数据落进 storage 并返回。
 * - demo 模式：不发起请求，直接返回当前缓存的 user
 * - 服务器模式：调 /main/users/{userId}/profile（鉴权由 request() 自动处理）
 */
export async function refetchMyProfile() {
  if (!isServerMode()) return getCurrentUser();
  const login = getLoginUser() || {};
  const userId = login.userId || (getCurrentUser() || {}).id;
  if (!userId && userId !== 0) throw new Error("缺少用户ID，无法刷新档案");
  const vo = await fetchUserDetail(userId);
  if (vo) saveCurrentUser(vo);
  return vo;
}

/**
 * 把前端本地 bankCardList 映射成后端保存参数。
 * 后端 `accountName` 必填，但前端没有户名字段 → 退回到当前用户的姓名快照。
 */
function mapBankCardList(list, fallbackAccountName) {
  if (!Array.isArray(list)) return undefined;
  return list.map((c) => ({
    cardNumber: String(c.cardNumber || "").trim(),
    openingBank: String(c.openingBank || "").trim(),
    accountName: String(c.accountName || fallbackAccountName || "").trim(),
  }));
}

/**
 * 新增 / 修改员工档案（用于「我的档案」修改手机号、婚姻、紧急联系人、银行卡）。
 * 后端约定：
 *   - 未传 bankCardList：保持既有明细（接口侧兼容旧数据）
 *   - 空数组：清空
 *   - 非空数组：整单替换
 *   - 首条明细自动投影到顶层 cardNumber / openingBank（兼容旧工资卡字段）
 *
 * ⚠️ 重要约束：调用方必须**显式**把 `bankCardList` 放在 payload 里才会一并保存。
 * 修改手机号 / 婚姻 / 紧急联系人时**不要**带 `bankCardList`，避免误传触发整单替换。
 *
 * @param {{
 *   bankCardList?: Array<{ cardNumber: string, openingBank: string, accountName?: string }>,
 *   phone?: string,
 *   maritalStatus?: string,
 *   secondLinkName?: string,
 *   secondLinkPhone?: string,
 *   secondLinkRelation?: string,
 * }} payload
 */
export async function saveEmployee(payload = {}) {
  const user = getCurrentUser() || {};
  const raw = user.raw || user;
  const accountName =
    user.name || raw.userName || raw.name || raw.secondLinkName || "";
  // 用 delete 把 raw 里的 bankCardList / 顶层兼容 cardNumber / openingBank 删掉，
  // 避免修改其它字段时把旧的银行卡一并带上去（后端会按"非空整单替换"覆盖）
  const body = { ...raw };

  if ("phone" in payload) body.phone = payload.phone;
  if ("maritalStatus" in payload) body.maritalStatus = payload.maritalStatus;
  if ("secondLinkName" in payload) body.secondLinkName = payload.secondLinkName;
  if ("secondLinkPhone" in payload)
    body.secondLinkPhone = payload.secondLinkPhone;
  if ("secondLinkRelation" in payload)
    body.secondLinkRelation = payload.secondLinkRelation;
  if (Array.isArray(payload.bankCardList)) {
    body.bankCardList = mapBankCardList(payload.bankCardList, accountName);
  }
  if(Array.isArray(payload.positionList) && payload.positionList.length > 0) {
    body.positionList = payload.positionList;
  }

  if (!isServerMode()) {
    await new Promise((r) => setTimeout(r, 250));
    return { code: 0, data: body, message: "演示模式：本地保存" };
  }

  const path = `/main/user/saveNew`;
  const res = await request({ url: path, method: "POST", data: body });
  return res;
}