//app.js
const { syncTokens, showToast } = require('./utils/util');
const config = require('./utils/config');
const cloud = require('./utils/cloud');

App({
  onLaunch: function (options) {
    // 获取本地OTP信息
    this.getLocalOtpInfo();
    // 不再自动登录，只在用户点击登录按钮时才登录
  },

  getLocalOtpInfo() {
    try {
      const otpList = wx.getStorageSync('tokens');
      if (otpList) {
        this.globalData.otpList = otpList;
      }
    } catch (e) {
      console.error("获取本地OTP信息失败：", e);
    }
  },


  async userLogin(options) {
    try {
      // 获取微信登录凭证
      const loginResult = await new Promise((resolve, reject) => {
        wx.login({
          success: (res) => {
            if (res.code) {
              resolve(res);
            } else {
              reject(new Error('获取微信登录凭证失败：' + (res.errMsg || '未知错误')));
            }
          },
          fail: (error) => reject(new Error('微信登录失败：' + (error.errMsg || '未知错误')))
        });
      });

      if (!loginResult.code) {
        throw new Error('未获取到微信登录凭证');
      }

      // 调用后端登录接口
      const response = await cloud.request(config.API_ENDPOINTS.AUTH.LOGIN, {
        method: 'POST',
        data: { code: loginResult.code },
        header: {
          'Content-Type': 'application/json'
        }
      });

      // 检查响应数据
      if (!response || typeof response !== 'object') {
        throw new Error('登录响应格式错误');
      }

      // 检查并保存登录信息到storage
      if (!response.access_token || !response.refresh_token) {
        console.error('登录响应数据:', response);
        throw new Error('登录响应缺少必要的token信息');
      }

      wx.setStorageSync(config.JWT_CONFIG.storage.access, response.access_token);
      wx.setStorageSync(config.JWT_CONFIG.storage.refresh, response.refresh_token);
      
      // 初始化基本用户信息
      const userInfo = {
        avatarUrl: wx.getStorageSync('userAvatar') || '/images/default-avatar.png',
        nickName: wx.getStorageSync('userNickName') || '微信用户'
      };
      this.globalData.userInfo = userInfo;

      return userInfo;
    } catch (error) {
      console.error('登录失败：', error);
      showToast('登录失败，请重试', 'none');
      throw error;
    }
  },

  // 全局退出登录方法
  logout() {
    // 清除token相关storage数据(保留tokens存储)
    wx.removeStorageSync(config.JWT_CONFIG.storage.access);
    wx.removeStorageSync(config.JWT_CONFIG.storage.refresh);
    
    // 保留用户自定义头像和昵称
    const customAvatar = wx.getStorageSync('customAvatar');
    const customNickName = wx.getStorageSync('customNickName');
    
    // 清除其他用户数据
    wx.removeStorageSync('userAvatar');
    wx.removeStorageSync('userNickName');
    
    // 恢复自定义设置
    if (customAvatar) wx.setStorageSync('userAvatar', customAvatar);
    if (customNickName) wx.setStorageSync('userNickName', customNickName);
    
    // 重置全局数据(保留otpList)
    this.globalData.userInfo = null;
    
    // 触发全局事件通知
    if (this.globalData.eventEmitter) {
      this.globalData.eventEmitter.emit('logout');
    }
  },

  globalData: {
    version: 103,
    otpList: [],
    userInfo: null,
    // 添加简单的事件发射器
    eventEmitter: {
      listeners: {},
      on(event, callback) {
        if (!this.listeners[event]) {
          this.listeners[event] = [];
        }
        this.listeners[event].push(callback);
      },
      emit(event, ...args) {
        const callbacks = this.listeners[event];
        if (callbacks) {
          callbacks.forEach(cb => cb(...args));
        }
      }
    }
  }
})