//index.js
//获取应用实例 
const app = getApp()
Page({
  data: {
    text: "This is page data.",
    windowHeight: app.globalData.windowHeight
  },
  onLoad: function (options) {
    var that = this
    // 页面创建时执行
    //获取本地数据
    wx.getStorage({
      key: 'userName',
      success: function (res) {
        console.log(res.data);
        that.setData({
          userName: res.data
        });
      }
    });
    wx.getStorage({
      key: 'userPassword',
      success: function (res) {
        console.log(res.data);
        that.setData({
          userPassword: res.data
        });
      }
    });
  },
  onShow: function () {
    // 页面出现在前台时执行
  },
  onReady: function () {
    // 页面首次渲染完毕时执行
  },
  onHide: function () {
    // 页面从前台变为后台时执行
  },
  onUnload: function () {
    // 页面销毁时执行
  },
  onPullDownRefresh: function () {
    // 触发下拉刷新时执行
  },
  onReachBottom: function () {
    // 页面触底时执行
  },
  onShareAppMessage: function () {
    // 页面被用户分享时执行
  },
  onPageScroll: function () {
    // 页面滚动时执行
  },
  onResize: function () {
    // 页面尺寸变化时执行
  },
  onTabItemTap(item) {
    // tab 点击时执行
    console.log(item.index)
    console.log(item.pagePath)
    console.log(item.text)
  },
  // 事件响应函数
  viewTap: function () {
    this.setData({
      text: 'Set some data for updating view.'
    }, function () {
      // this is setData callback
    })
  },
  // 自由数据
  customData: {
    hi: 'MINA'
  },

  //测试登录
  formSubmit: function (e) {
    //获得表单数据
    var objData = e.detail.value;
    if (objData.userName && objData.userPassword) {
      // 同步方式存储表单数据
      wx.setStorage({
        key: 'userName',
        data: objData.userName
      });
      wx.setStorage({
        key: 'userPassword',
        data: objData.userPassword
      });

      var userName = e.detail.value.userName
      var userPassword = e.detail.value.userPassword

      var that = this;
      var isrightful = that.checkInput(userName, userPassword);
      if (isrightful) {
        wx.request({
          url: 'https://wx.yfzhwlw.com/wechat_login',
          header: {
            "Content-Type": "application/x-www-form-urlencoded"
          },
          method: "post",
          data: {
            username: userName,
            password: userPassword
          },
          success: function (res) {
            if (res.statusCode != 200) {
              app.showError()
            } else {
              wx.hideLoading()
              //判断是否登录成功
              if (res.data.code == '1') {
                wx.showToast({
                  title: '密码错误，请重试', //这里成功
                  icon: 'none',
                  duration: 1000
                });
              } else if (res.data.code == '2') {
                wx.showToast({
                  title: '用户名错误，请重试', //这里成功
                  icon: 'none',
                  duration: 1000
                });
              } else if (res.data.code == '0') {
                wx.showToast({
                  title: '登陆成功', //这里成功
                  icon: 'success',
                  duration: 1000
                });
                that.setData({
                  isLogin: true,
                })

                //将账号名保存在本地
                wx.setStorage({
                  key: "login",
                  data: res.data.username
                })

                //跳转到home页面
                wx.switchTab({
                  url: '../home/home'
                })
              }
            }
          },
          fail: function (err) {
            app.showError()
          }
        });
      }
    }
  },

  //检测输入值
  checkInput: function (userName, userPassword) {
    var that = this
    if (userName == "" || userName == null ||
      userName == undefined) {
      that.showErrorToastUtils('请输入用户名');
      return false;
    } else if (userPassword == "" || userPassword == null || userPassword == undefined) {
      that.showErrorToastUtils('请输入密码');
      return false;
    } else if (userPassword.length < 6) {
      that.showErrorToastUtils('密码至少要6位');
      return false;
    } else {
      // wx.showToast({
      //   title: '填写正确',
      //   icon: 'success',
      //   duration: 1500
      // })
      wx.showLoading({
        title: '登录中...',
      })
      return true;
    }
  },
})