import { useEffect, useState } from 'react';
import Taro from '@tarojs/taro';
import { isLoggedIn, redirectToLogin, request } from './api';

export type HqAccount = {
  id: string;
  name: string;
  phone: string;
  adminRole: string;
  status: string;
};

let cache: HqAccount | null = null;

export async function fetchHqAccount(force = false): Promise<HqAccount | null> {
  if (cache && !force) return cache;
  if (!isLoggedIn()) return null;
  try {
    cache = await request<HqAccount>('/admin/auth/me');
    return cache;
  } catch {
    return null;
  }
}

export function clearHqAccountCache() {
  cache = null;
}

/** 页面级会话守卫：未登录跳登录页；返回当前 HQ 账号 */
export function useHqSession(guard = true) {
  const [account, setAccount] = useState<HqAccount | null>(cache);
  const [loading, setLoading] = useState(!cache);

  useEffect(() => {
    if (guard && !isLoggedIn()) {
      redirectToLogin();
      return;
    }
    let alive = true;
    void fetchHqAccount().then((acc) => {
      if (!alive) return;
      setAccount(acc);
      setLoading(false);
    });
    return () => {
      alive = false;
    };
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, []);

  return { account, loading };
}

export function roleLabel(role?: string): string {
  switch (role) {
    case 'SUPER_ADMIN':
      return '超级管理员';
    case 'OPS':
      return '运营';
    case 'FINANCE':
      return '财务';
    case 'SUPPORT':
      return '客服';
    default:
      return role || '管理员';
  }
}

export function navTo(url: string) {
  Taro.navigateTo({ url });
}

export function switchToTab(url: string) {
  Taro.switchTab({ url });
}