// pages/teacher/count/count.js
const {
  getClassList,
  getProjectList,
  getTongji,
  getStudentTongji,
  getStudentList
} = require("../../../utils/serve/teacher");
const tabService = require("../../../utils/tab-serve");

Page({

  /**
   * 页面的初始数据
   */
  data: {
    classList: [], //班级列表
    nowClass: {}, //当前选择班级
    page:1, 
    studentList:[],
    hasMore:true,
    projectList:[],
    nowProject:{},
    gradeList:['不及格','及格','良好','优秀'],
    nowGrade:'不及格',
    num:0,//总人数
    rank:{}
  },

  /**
   * 生命周期函数--监听页面加载
   */
  async onLoad(options) {
    this.getClass()
  },

  //获取班级列表
  async getClass(){
    const res = await getClassList()
    this.setData({
      classList: res.data,
      nowClass: res.data[0]
    },async ()=>{
      await this.getProject()
      this.getStudent()
    })
  },
  
  //获取项目列表
  async getProject(){
    const res = await getProjectList(this.data.nowClass.gradeId)
    this.setData({
      projectList:res.data,
      nowProject:res.data[0]
    })
  },

  //获取学生列表 刷新 加载更多
  async getStudent(isRefresh){
    if(!this.data.hasMore && !isRefresh) return //非刷新且没有
    const res = await getTongji({
      ClassId:this.data.nowClass.classId,
      CategoryValue:this.data.nowProject.id || 2,
      Rank:this.data.nowGrade ,
      PageIndex:isRefresh ? 1 : this.data.page,
      PageSize:50
    })
    console.log(res.data.studentlist.total)

    this.setData({
      page:this.data.page + 1,
      hasMore:res.data.studentlist.total > this.data.page * 50,
      studentList:isRefresh?res.data.studentlist.datas: [...this.data.studentList,...res.data.studentlist.datas],
      total:res.data.headTotal,
      rank:res.data.rankDic
    })
  },

  pickerChange(e){
    const that = this
    this.setData({
      [e.currentTarget.dataset.key]:this.data[e.currentTarget.dataset.id][Number(e.detail.value)]
    },async ()=>{
      if(e.currentTarget.dataset.key == 'nowClass'){
        await that.getProject()
      }
      that.getStudent(true)
    })
  },

  goDetail(e){
    wx.navigateTo({
      url: '/subpackage/teacher/count-detail/count-detail?id='+e.currentTarget.dataset.item.studentNo+'&classId='+this.data.nowClass.classId,
    })
  },

  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady() {

  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow() {
    tabService.updateIndex(this, 2)
  },

  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide() {

  },

  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload() {

  },

  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh() {

  },

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom() {
    console.log('加载')
  },

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage() {

  }
})