// pages/child_list/child_list.js
import { routers, viewImage, sharePage, isFn, getGlobalVal, formatDateTime, formateNumber } from '../../utils/util.js'
import { pinyin } from '../../utils/hz2py_full.js'
import { RenewStudentList, ClassList,MyInfo2} from '../../utils/api.js'
const { navigateTo, redirectTo, navigateBack } = routers()
const { globalData, saveUserInfo, getWxloginCode, checkStatus } = getApp()
const { baseImgUrl, thumbnail } = globalData
const app = getApp()

Page({

  /**
   * 页面的初始数据
   */
  data: {
    baseImgUrl, 
    thumbnail,
    statusBar: app.globalData.statusBar,
    isLoaded: true,
    isChild:false,
    searchKey: '', 
    checkNum:0,
    classCheckNum:0,
    isCheck:0,
    classIsCheck:0,
    pageNo: 1,
    pageSize: 20,
    isAll: false,
    isAllType:1,
    isType:1,
    isAdd:false,
    isAddTeacher:false,
    hiddenModel:false,
    navList: ['学生续费','班级续费'],
    navIdx:0,
    HOT_NAME: '#',
    toView: 'A',
    scrollTop: 10,
    nodata: [
      {
        text: '暂无学生续费'
      },
      {
        text: '暂无班级续费'
      },
    ],
    list: []
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    var windowHeight = wx.getSystemInfoSync().windowHeight - 120;
    var scrollHeight_ = windowHeight +"px";
    this.setData({scrollHeight_})
    this.setData(options)
  },

  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady: function () {
    const obj = { navigateTo, redirectTo, navigateBack, viewImage }
    for (const i in obj) {
      this[i] = obj[i]
    }
  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow: function () {
    this.getDataNumber()
    const { navIdx } = this.data;
    this.setData({checkNum:0,classCheckNum:0,selectStudentList:[],classIdList:[]})
    if (navIdx == 0) {
      this.getData();
    } else {
      this.getClassList()
    }
  },

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

  },

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

  },

   /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh: function () {
    const { navIdx} = this.data
    if (navIdx==0){
      this.setData({ pageNo: 1 })
      this.getData(res => {
        wx.stopPullDownRefresh()
      })
    } 
  },

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom: function () {
    const { isAll, pageNo, navIdx, isAddTeacher } = this.data
    if (isAll) {
      return
    }
    wx.showLoading({
      title: '加载中',
    })
    if (navIdx==0){
      this.getData()
    } 
  },
  /**
   * 用户点击右上角分享
   */
  onShareAppMessage: function () {
    if (app.sharePageDefaultCtl) {
      return app.sharePageDefaultCtl()
    }

  },
  /**
     * 跳转
     */
  navigateCtl:function(e){
    const { navIdx,selectStudentList=[],classIdList=[]} = this.data
    if(navIdx==0){
      if (selectStudentList.length>0) {
        app.navigateCtl(e);
      } else {
        wx.showToast({
          title: '请勾选学生后再试',
          icon: 'none'
        })
      }
    }else{
      if (classIdList.length>0) {
        app.navigateCtl(e);
      } else {
        wx.showToast({
          title: '请勾选班级后再试',
          icon: 'none'
        })
      }
    }
  },

  /**
   * 底部导航跳转
   */
  redirectCtl: app.redirectCtl,

  /**
   * 选择老师
   */
  selectTeacher:function(e){
    const { idx } = e.currentTarget.dataset
    const { navIdx } = this.data
    this.setData({ pageNo: 1, pageSize: 10, navIdx: idx,checkNum:0,classCheckNum:0})
    wx.showLoading({
      title: '加载中',
    })
    if(idx==0){
      this.getData()
    }else{
      this.getClassList()
    }
  },
  /**
   * 获取币数
   */
  getDataNumber: function (cb) {
    const continuousFn = { fn: this.getDataNumber, param: { ...arguments } }
    var that=this
    MyInfo2({ data: {}, continuousFn }).then(res => {
      const { libService, platformService, libId} = res.data;
      that.setData({ libService, platformService, libId,isLoaded: true})
      if (isFn(cb)) cb()
    }).catch(res => {
      that.setData({ isLoaded: true })
      if (isFn(cb)) cb()
    })
  },
  /**
   * 选择学生
   */
  selectLiCtl: function (e) {
    const { index,key} = e.currentTarget.dataset
    const { list, isCheck,navIdx,classList } = this.data
    // console.log(index,classList)
    if(navIdx==0){
      list[index].items[key]['isCheck'] = list[index].items[key].isCheck == '' ? 'active' : '';
      this.setData({ list})
      this.caculate(list)
    }else{
      classList[index]['isCheck'] = classList[index].isCheck == '' ? 'active' : '';
      this.setData({ classList})
      this.classCaculate(classList)
    }
  },
   /**
  * 选择全部学生和班级续费
  */
 checkAllCtl:function () {
  const { list, isCheck,navIdx,classList,classIsCheck} = this.data
  const temp = {}
  var that=this
  if(navIdx==0){
    for (let i in list) {
      for (let j in list[i].items){
          list[i].items[j].isCheck= isCheck != 1 ? 'active' : ''   
      }
    }
    that.setData({list})
    this.caculate(list)
  }else{
    for (let i in classList) {
      temp[`classList[${i}].isCheck`] = classIsCheck != 1 ? 'active' :''
    }
    that.setData(temp)
    this.classCaculate(classList)
  }
},

  /**
   * 计算学生总数和vip列表
   */
  caculate: function (list) {
    const { studentList=[]}=this.data
    let checkNum = 0
    const selectStudentList = [];
    const vipIdList = [];
    for (let i in list) {
      for (let j in list[i].items){
        if (list[i].items[j]['isCheck'] =='active') {
                checkNum++
                vipIdList.push(list[i].items[j]['vipId'])
                selectStudentList.push(list[i].items[j])
              }
        }
    }
    this.setData({ checkNum, vipIdList,selectStudentList,isCheck:studentList.length==selectStudentList.length})
  },
  /**
   * 计算班级总数和vip列表
   */
  classCaculate: function (list) {
    const { classList}=this.data
    let classCheckNum = 0
    const selectClassList = [];
    const classIdList = [];
    for (let i in list) {
      if (list[i]['isCheck'] =='active') {
              classCheckNum++
              classIdList.push(classList[i]['classId'])
              selectClassList.push(classList[i])
            }
  }
    this.setData({ classCheckNum, selectClassList, classIdList,classIsCheck:classList.length==selectClassList.length})
  },
  /**
   * 获取学生续费数据
   */
  getData: function (cb) {
    const continuousFn = { fn: this.getData, param: { ...arguments } }
    const {  pageNo, pageSize, list=[],studentList=[], libId}=this.data;
    var that=this;
    RenewStudentList({ data: { libId, pageNo, pageSize}, continuousFn }).then(res => {
      wx.hideLoading();
      const {isCheck } = this.data;
      const temp = res.data.list;
      const tempList = (res => {
        for (let i in res) {
          res[i]['isCheck'] = ''
          res[i]['index'] = pinyin.go(res[i].childName).slice(0, 1).toUpperCase()
          if (res[i].childName.length>5){
            res[i].childName =  res[i].childName.slice(0, 3)+ '...'
          }else{
            res[i].childName = res[i].childName
          }
        }
        return res
      })(temp || [])
      let arr = []
      if (pageNo == 1) {
        arr = [...tempList]
      } else {
        arr = [...studentList, ...tempList]
      }
      this.setData({
        studentList:arr,
        list:  that.normalizeSinger(arr),
        pageNo: tempList.length == pageSize ? Number(pageNo) + 1 : pageNo,
        isAll: tempList.length < pageSize,
        isLoaded: true
      })
      if (isFn(cb)) cb()
    }).catch(res => {
      this.setData({ isLoaded: true })
      if (isFn(cb)) cb()
    })
  },
  /**
   * 获取班级续费
   */
  getClassList: function (cb) {
    const continuousFn = { fn: this.getClassList, param: { ...arguments } }
    const { list = [],classId } = this.data;
    var that=this;
    ClassList({ data: {}, continuousFn }).then(res => {
      wx.hideLoading();
      const { isCheck } = this.data;
      const temp = res.data.list;
      const tempList = (res => {
        for (let i in res) {
          res[i]['isCheck'] = ''
        }
        return res
      })(temp || [])
      
      this.setData({
        classList:tempList,
        isLoaded: true
      })
      if (isFn(cb)) cb()
    }).catch(res => {
      this.setData({ isLoaded: true })
      if (isFn(cb)) cb()
    })
  },
  /**
   * 字母导航
   */
  normalizeSinger(list) {
    let map = {
      hot: {
        title: this.data.HOT_NAME,
        items: []
      }
    }
      list.forEach((item, index) => {
        var parent = /^[A-Za-z]+$/;
        if (!parent.test(item.index)) {
          map.hot.items.push({
            childName: item.childName,
            className: item.className,
            endDate:item.endDate,
            grade: item.grade,
            imgUrl: item.imgUrl,
            serviceType: item.serviceType,
            vipId: item.vipId,
            isCheck:''
          })
        }
        const key = item.index
        if (!map[key]) {
          map[key] = {
            title: key,
            items: []
          }
        }
        map[key].items.push({
          childName: item.childName,
          className: item.className,
          endDate:item.endDate,
          grade: item.grade,
          imgUrl: item.imgUrl,
          serviceType: item.serviceType,
          vipId: item.vipId,
          isCheck: ''
        })
      })
    
    // console.log(map)
    // 为了得到有序列表，我们需要处理 map
    let ret = []
    let hot = []
    for (let key in map) {
      let val = map[key]
      if (val.title.match(/[a-zA-Z]/)) {
        ret.push(val)
      } else if (val.title === this.data.HOT_NAME) {
        hot.push(val)
      }
    }
    ret.sort((a, b) => {
      return a.title.charCodeAt(0) - b.title.charCodeAt(0)
    })
    // console.log(hot, ret)
    if (hot[0].items.length == 0) {
      return ret
    } else {
      return ret.concat(hot)
    }

  },

  // 点击首字母
  scrollToview(e) {
    const { id, idx } = e.currentTarget.dataset
    console.log(id, idx)
    this.setData({ currentIndex: idx, toView: id })
    wx.showToast({
      title: `${id}`,
      icon: 'none',
      duration: 500
    })

  },
  // 滚动时触发事件
  viewScroll: function (e) {
    var newY = e.detail.scrollTop;
    // this.scrollY(newY);
  },
  scrollY(newY) {
    const listHeight = this.data.listHeight
    // console.log(listHeight)
    // 当滚动到顶部，newY>0
    if (newY == 0 || newY < 0) {
      this.setData({
        currentIndex: 0,
      })
      return
    }
    // 在中间部分滚动
    for (let i = 0; i < listHeight.length - 1; i++) {
      // debugger
      let height1 = listHeight[i]
      let height2 = listHeight[i + 1]
      // console.log(listHeight, i)
      if (newY >= height1 && newY < height2) {
        // console.log(i)
        this.setData({
          currentIndex: i,
        })
        return
      }
    }
    // 当滚动到底部，且-newY大于最后一个元素的上限

    this.setData({
      currentIndex: listHeight.length - 2,
    })
  },
   /**
   * 返回孩子信息
   */
  blockInfo:function(){
    const { classId} = this.data
    this.redirectCtl({ url: 'main', method: { classId} }, true)
  },
  calculateHeight() {
    var lHeight = [],
      that = this;
    let height = 0;
    lHeight.push(height);
    var query = wx.createSelectorQuery();
    query.selectAll('.list-group').boundingClientRect(function (rects) {
      var rect = rects,
        len = rect.length;
      for (let i = 0; i < len; i++) {
        height += rect[i].height;
        lHeight.push(height)
      }

    }).exec();
    var calHeight = setInterval(function () {
      if (lHeight != [0]) {
        that.setData({
          listHeight: lHeight
        });
        clearInterval(calHeight);
      }
    }, 1000)
  }
})