import { ref, watch } from "vue";
import { defineStore } from "pinia";
import api from '@/utils/api';
import { toast } from '@/utils/widget';
import { initGlobalTIM, globalTimChatManager } from "@/utils/tim-chat.js";
import { globalUnreadListenerManager } from "@/utils/global-unread-listener.js";
const env = __VITE_ENV__;

export default defineStore("accountStore", () => {
  const appid = env.MP_WX_APP_ID;
  const account = ref(null);
  const loading = ref(false)
  const isIMInitialized = ref(false);
  const openid = ref("");
  const externalUserId = ref('');

  async function login(phoneCode = '') {
    if (loading.value) return;
    loading.value = true;
    try {
      const { code } = await uni.login({
        appid,
        provider: "weixin",
        scope: "snsapi_base",
      });
      if (code) {
        const res = await api('wxAppLogin', {
          appId: appid,
          phoneCode,
          code
        });
        loading.value = false
        if (res.success && res.data) {
          account.value = res.data;
          openid.value = res.data.openid;

          // 保存账户信息和 openId 到本地存储
          uni.setStorageSync('account', res.data);
          uni.setStorageSync('openid', res.data.openid);

          initIMAfterLogin(openid.value)
          return res.data
        }
      }
      toast('登录失败，请重新登录');
    } catch (e) {
      toast('登录失败，请重新登录');
    }
    loading.value = false
  }

  async function initIMAfterLogin() {
    if (isIMInitialized.value) {
      return true;
    }
    try {
      // 使用 openid 作为 userID 初始化 IM
      const userID = openid.value || uni.getStorageSync('openid');
      if (!userID) {
        console.log('未获取到有效的 userId，跳过 IM 初始化');
        return false;
      }

      console.log('开始初始化 IM，userID:', userID);
      const success = await initGlobalTIM(userID);

      if (!success) {
        console.log('initGlobalTIM 返回失败，跳过 IM 初始化');
        return false;
      }

      // 验证 TIM 实例是否真正创建成功
      if (!globalTimChatManager || !globalTimChatManager.tim) {
        console.log('IM 初始化后 TIM 实例不存在，跳过 IM 初始化');
        return false;
      }

      isIMInitialized.value = true;
      console.log('IM 初始化成功');
      
      // IM 初始化成功后，设置全局未读消息监听
      globalUnreadListenerManager.setup();
      
      return true;
    } catch (error) {
      console.log('IM初始化异常，跳过 IM 初始化:', error.message);
      return false;
    }
  }
  // 退出登录
  async function logout() {
    try {
      // 退出腾讯IM
      if (globalTimChatManager && globalTimChatManager.tim) {
        console.log('开始退出腾讯IM');
        await globalTimChatManager.destroy();
        console.log('腾讯IM退出成功');
      }
      
      // 清除全局未读监听
      if (globalUnreadListenerManager.isInitialized) {
        globalUnreadListenerManager.destroy();
      }
    } catch (error) {
      console.error('退出腾讯IM失败:', error);
    }

    // 清空账户信息
    account.value = null;
    openid.value = "";
    isIMInitialized.value = false;

    // 清除本地存储
    uni.removeStorageSync('account');
    uni.removeStorageSync('openid');
    
    // 清除 tabBar 徽章
    uni.removeTabBarBadge({
      index: 1
    });
  }

  async function getExternalUserId(corpId) {
    const unionid = account.value?.unionid;
    const openid = account.value?.openid;
    if (!(corpId && unionid && openid) || externalUserId.value) return;
    const res = await api('getUnionidToExternalUserid', { unionid, openid, corpId }, false);
    if (res && res.success && typeof res.data === 'string' && res.data.trim()) {
      externalUserId.value = res.data.trim();
    }
  }

  return { account, login, initIMAfterLogin, logout, openid, isIMInitialized, externalUserId, getExternalUserId }
})