const app = getApp();

Page({
  data: {
    isLoading: false
  },

  onLoad: function (options) {
    if (app.globalData.isLoggedIn) {
      this.goBack();
    }
  },

  onGetPhoneNumber: function (e) {
    if (this.data.isLoading) return;
    
    const detail = e.detail;
    if (!detail.code) {
      wx.showToast({
        title: '授权失败',
        icon: 'none'
      });
      return;
    }

    this.setData({ isLoading: true });

    wx.login({
      success: (loginRes) => {
        if (loginRes.code) {
          this.doLogin(loginRes.code, detail.code);
        } else {
          this.setData({ isLoading: false });
          wx.showToast({
            title: '获取登录凭证失败',
            icon: 'none'
          });
        }
      },
      fail: () => {
        this.setData({ isLoading: false });
        wx.showToast({
          title: '登录失败',
          icon: 'none'
        });
      }
    });
  },

  doLogin: function (loginCode, phoneCode) {
    const requestUrl = `${app.globalData.baseUrl}/api/wechat/login`;
    console.log('[Login] baseUrl:', app.globalData.baseUrl);
    console.log('[Login] 请求地址:', requestUrl);
    console.log('[Login] loginCode:', loginCode ? loginCode.substring(0, 10) + '...' : 'empty');
    console.log('[Login] phoneCode:', phoneCode ? phoneCode.substring(0, 10) + '...' : 'empty');

    wx.request({
      url: requestUrl,
      method: 'POST',
      data: {
        code: loginCode,
        phoneCode: phoneCode
      },
      timeout: 30000,
      success: (response) => {
        this.setData({ isLoading: false });
        console.log('[Login] 响应状态码:', response.statusCode);
        console.log('[Login] 响应数据:', JSON.stringify(response.data));

        if (response.data && response.data.success) {
          app.globalData.token = response.data.token;
          app.globalData.userInfo = response.data.user;
          app.globalData.isLoggedIn = true;
          
          wx.setStorageSync('token', response.data.token);
          wx.setStorageSync('userInfo', response.data.user);
          
          wx.showToast({
            title: '登录成功',
            icon: 'success'
          });
          
          setTimeout(() => {
            this.goBack();
          }, 1500);
        } else {
          console.warn('[Login] 登录失败，服务端返回:', response.data);
          wx.showToast({
            title: response.data && response.data.message || '登录失败',
            icon: 'none'
          });
        }
      },
      fail: (err) => {
        this.setData({ isLoading: false });
        console.error('[Login] 网络请求失败:', JSON.stringify(err));
        console.error('[Login] errMsg:', err.errMsg);
        console.error('[Login] errno:', err.errno);
        wx.showToast({
          title: '网络请求失败，请重试',
          icon: 'none'
        });
      },
      complete: () => {
        if (this.data.isLoading) {
          this.setData({ isLoading: false });
        }
      }
    });
  },

  goBack: function () {
    const pages = getCurrentPages();
    if (pages.length > 1) {
      wx.navigateBack();
    } else {
      wx.switchTab({
        url: '/pages/index/index'
      });
    }
  },

  goToAgreement: function () {
    wx.showModal({
      title: '用户协议',
      content: '用户协议内容：您同意使用本服务即表示同意遵守相关条款...',
      showCancel: false
    });
  },

  goToPrivacy: function () {
    wx.showModal({
      title: '隐私政策',
      content: '隐私政策内容：我们重视您的隐私，将妥善保管您的个人信息...',
      showCancel: false
    });
  }
});