// pages/course_detail/course_detail.js
const app = getApp()
Page({

  /**
   * 页面的初始数据
   */
  data: {
    showModalStatus: false,
    studentId: "",
    name: "",
    description: ""
  }, 
  studentId: function(e) {
    this.setData({
      studentId: e.detail.value
    });
    console.log("studentId:", e.detail.value);
  },
  name: function(e) {
    this.setData({
      name: e.detail.value
    });
    console.log("name:", e.detail.value);
  },
  cancel: function (e) {
    var currentStatu = e.currentTarget.dataset.statu;
    this.util(currentStatu)
  },
  update: function (e) {
    var currentStatu = e.currentTarget.dataset.statu;
    this.util(currentStatu)
    /* 下面补充确定后向后端传输数据*/
    const that = this;
    wx.request({
      url: 'http://10.133.15.50:8888/admin/addStudent2Course', 
      method: 'PUT',
      header: {
        'admin_token': wx.getStorageSync('token') // 携带token
      }, 
      data: {
        student: {
          studentId: that.data.studentId,
          name: that.data.name,
          password: that.data.password
        },
        course: {
          courseId: wx.getStorageSync('courseId'),
          description: wx.getStorageSync('description')
        }
      },
      success(res) {
        if (res.statusCode === 200) {
          console.log("yes");
        }
      },
      fail(error) {
        console.error(error);
      }
    });
  },
  util: function (currentStatu) {
    /* 动画部分 */
    // 第1步：创建动画实例  
    var animation = wx.createAnimation({
      duration: 200, //动画时长 
      timingFunction: "linear", //线性 
      delay: 0 //0则不延迟 
    });
    // 第2步：这个动画实例赋给当前的动画实例 
    this.animation = animation;
 
    // 第3步：执行第一组动画 
    animation.opacity(0).rotateX(-100).step();
 
    // 第4步：导出动画对象赋给数据对象储存 
    this.setData({
      animationData: animation.export()
    })
 
    // 第5步：设置定时器到指定时候后，执行第二组动画 
    setTimeout(function () {
      // 执行第二组动画 
      animation.opacity(1).rotateX(0).step();
      // 给数据对象储存的第一组动画，更替为执行完第二组动画的动画对象 
      this.setData({
        animationData: animation
      })
      //关闭 
      if (currentStatu == "close") {
        this.setData({
          showModalStatus: false
        });
      }
    }.bind(this), 200)
    // 显示 
    if (currentStatu == "open") {
      this.setData({
        showModalStatus: true
      });
    }
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad(options) {
    this.setData ({
      description: wx.getStorageSync("description")
    });
    
  },
  chooseMessageFile: function (event) {
    var that = this;
    wx.chooseMessageFile({
      count: 1,
      type: 'all',
      success(res) {
        var filename = res.tempFiles[0].name
        that.setData({filename:filename});
        console.info(filename);
        console.log(res.tempFiles[0].path);
        wx.uploadFile({
          url: 'http://10.133.15.50:8888/admin/batchAddStudents?courseId=' + wx.getStorageSync('courseId') + '&file=' + res.tempFiles[0].path,
          header: {
            admin_token: wx.getStorageSync('token') // 携带token
          },
          name: filename,
          method: 'POST',
          success(res) {
            var data = JSON.parse(res.data)
            if (data.code == 200) {
              console.log('上传成功');
            } else{
              console.log('上传失败');
              wx.showToast({
                title: res.message,
                icon: 'none'
              })
            }
          }
        })
      }
    });
  }
})