// src/composables/useWeChatAuth.js
import { ref } from 'vue';
import request from '@/request/index.js';

const APPID = 'wx8fc3e4305d2fbf0b';
const REDIRECT_URI = encodeURIComponent('https://www.focusnu.com/wechat/thd/#/pages/index/callback');

export function useWeChatAuth() {
  const code = ref('');
  const openid = ref('');
  const userInfo = ref(null);

  function login(scope = 'snsapi_userinfo', state = '') {
    const url =
      `https://open.weixin.qq.com/connect/oauth2/authorize` +
      `?appid=${APPID}` +
      `&redirect_uri=${REDIRECT_URI}` +
      `&response_type=code` +
      `&scope=${scope}` +
      `&state=${state}` +
      `#wechat_redirect`;
    window.location.href = url;
  }

  async function fetchUserInfo(authCode) {
    code.value = authCode;
    try {
      // 使用全局封装请求
      const data = await request({
        url: '/api/auth',
        method: 'post',
        data: { code: authCode }
      });
      openid.value = data.openid;
      userInfo.value = data;
    } catch (e) {
      console.error('获取用户信息失败', e);
    }
  }

  return { code, openid, userInfo, login, fetchUserInfo };
}