// pages/parent/report/report.js
const tabService = require("../../../utils/tab-serve");
import uCharts from '../../../utils/chart/u-charts';
import {
  getReport,
  getPhysicalFitnessReport
} from '../../../utils/serve/parent'
import { getClassRoomRecord } from '../../../utils/serve/teacher';
import { getWeekdayWithValidation } from '../../../utils/utils';

var uChartsInstance = {};

// 各指标单位映射（接口不返回单位）
const UNIT_MAP = {
  'BMI': 'kg/m²',
  '肺活量': 'ml',
  '坐位体前屈': 'cm',
  '立定跳远': 'cm',
  '一分钟跳绳': '个',
  '一分钟仰卧起坐': '个',
};

Page({

  /**
   * 页面的初始数据
   */
  data: {
    report: {},
    list: [],
    isTrainee: false,
    pageIndex: 1,
    hasMore: true,
    roomList: [],
    // 体测报告
    activeTab: 0,             // 0=课堂报告  1=体测报告
    fitnessItems: [],         // 六个指标卡片
    fitnessReport: null,      // 接口返回的完整体测数据
    radarCWidth: 300,
    radarCHeight: 300,
    pixelRatio: 2,
    showFitnessPopup: false,  // 成绩弹窗
    selectedFitnessItem: null,
  },

  /**
   * 生命周期函数--监听页面加载
   */
  async onLoad(options) {
    if(wx.getStorageSync('roleId') && wx.getStorageSync('roleId') == 5 ){
      this.setData({
        isTrainee: true
      }, () => {
        this.getTrainClass(true)
        this.fetchFitnessReport()
      })
    } else {
      await this.getStudentReport()
    }
  },

  async getStudentReport() {
    const res = await getReport()
    let list = []
    res.data.categoryScoreList.forEach(e => {
      list.push({
        ...e,
        width: e.score >= 60 && e.score <= 80 ? (((e.score - 60) / 4)*5 + 25) + '%' : ((e.score - 60) / 0.4 + 2) + '%',
        grade: e.score >= 90 ? 'grate' : e.score >= 80 ? 'good' : e.score >= 60 ? 'normal' : ''
      })
    })
    
    res.data.width = res.data.totalScore >= 60 && res.data.totalScore <= 80 ? (((res.data.totalScore - 60) / 4)*5 + 25) + '%' : ((res.data.totalScore - 60) / 0.4 + 2) + '%',
    res.data.grade = res.data.totalScore >= 90 ? 'grate' : res.data.totalScore >= 80 ? 'good' : res.data.totalScore >= 60 ? 'normal' : ''
    res.data.totalScore = res.data.totalScore.toFixed(0)
    res.data.bodyFunction = res.data.bodyFunction.toFixed(0)
    res.data.bodyQuality = res.data.bodyQuality.toFixed(0)
    res.data.bodyShape = res.data.bodyShape.toFixed(0)
    this.setData({
      report: res.data,
      list
    })
  },

  // 切换体测/课堂 Tab
  switchTab(e) {
    const tab = Number(e.currentTarget.dataset.tab)
    if (tab === this.data.activeTab) return
    this.setData({ activeTab: tab }, () => {
      if (tab === 1) {
        // 切到体测报告时绘制雷达图
        this.drawRadarChart(this)
      }
    })
  },

  // 获取体测报告数据
  async fetchFitnessReport() {
    try {
      const res = await getPhysicalFitnessReport()
      const list = (res.data && res.data.categoryScoreList) || []
      const fitnessItems = list.map(item => ({
        ...item,
        unit: UNIT_MAP[item.name] || '',
      }))
      this.setData({
        fitnessReport: list,
        fitnessItems,
      })
    } catch (e) {
      this.setData({ fitnessItems: [] })
    }
  },

  // 绘制六边形雷达图
  drawRadarChart(that) {
    const list = that.data.fitnessReport || []
    const categories = list.map(i => i.name)
    const prevData    = list.map(i => i.prevScore  || 0)   // 上次成绩
    const currentData = list.map(i => i.lastScore  || 0)   // 本次成绩

    const query = wx.createSelectorQuery().in(that)
    query.select('#radarCanvas').fields({ node: true, size: true }).exec(res => {
      if (!res[0]) return
      const canvas = res[0].node
      const ctx = canvas.getContext('2d')
      canvas.width  = (res[0].width  + 20) * that.data.pixelRatio  
      canvas.height = (res[0].height + 20) * that.data.pixelRatio
      uChartsInstance['radarCanvas'] = new uCharts({
        type: 'radar',
        context: ctx,
        width:  that.data.radarCWidth  * that.data.pixelRatio,
        height: that.data.radarCHeight * that.data.pixelRatio,
        categories,
        series: [
          { name: '上次成绩', data: prevData,    color: '#4A90E2' },
          { name: '本次成绩', data: currentData, color: '#E74C3C' },
        ],
        pixelRatio: that.data.pixelRatio,
        animation: true,
        background: 'rgba(0,0,0,0)',
        color: ['#4A90E2', '#E74C3C'],
        padding: [0, 0, 0, 10],
        legend: {
          show: true,
          position: 'bottom',
          float: 'center',
          fontSize: 12,
          lineHeight: 11,
          margin: 5,
          itemGap: 20,
        },
        extra: {
          radar: {
            gridType: 'radar',
            gridColor: '#CCCCCC',
            gridCount: 4,
            opacity: 0.15,
            gridEvenShow: true,
            gridOddShow: true,
            labelShow: true,
            labelColor: '#333',
            fontSize: 13,
            labelPointShow: false,
            max: 100,
          },
        },
      })
    })
  },

  // 点击图标：展示成绩弹窗
  showFitnessScore(e) {
    const item = e.currentTarget.dataset.item
    this.setData({ selectedFitnessItem: item, showFitnessPopup: true })
  },

  // 关闭成绩弹窗
  closeFitnessPopup() {
    this.setData({ showFitnessPopup: false, selectedFitnessItem: null })
  },

  // 弹窗内"查看详情"
  goFitnessDetail() {
    const item = this.data.selectedFitnessItem
    if (!item) return
    this.setData({ showFitnessPopup: false })
    wx.setStorageSync('fitnessDetailItem', item)
    wx.navigateTo({
      url: '/subpackage/parent/fitness-detail/fitness-detail',
    })
  },

    //获取教练课堂记录  刷新 加载更多
    async getTrainClass(refresh) {
      if (!this.data.hasMore && !refresh) return //非刷新且没有
      const res = await getClassRoomRecord({
        pageIndex: this.data.pageIndex,
        PageSize: 20,
      })
      let newList = res.data.datas.map(item => {
        return {
          ...item,
          time: getWeekdayWithValidation(Number(item.startingEndingTime.slice(0, 4)), Number(item.startingEndingTime.slice(5, 7)), Number(item.startingEndingTime.slice(8, 10)))
        }
      })
      this.setData({
        roomList: refresh ? newList : [...this.data.roomList, ...newList],
        page: this.data.page + 1,
        hasMore: res.data.total > (this.data.pageIndex) * 20,
      })
    },

      //查看报告详情
  goReportDetail(e){
    wx.navigateTo({
      url: '/subpackage/teacher/report-detail/report-detail?id='+e.currentTarget.id ,
    })
  },

  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady() {
    const windowInfo = wx.getWindowInfo()
    const pixelRatio = windowInfo.pixelRatio
    const radarCWidth  = windowInfo.windowWidth  * 0.86
    const radarCHeight = windowInfo.windowWidth  * 0.86
    this.setData({ radarCWidth, radarCHeight, pixelRatio }, () => {
      if (this.data.isTrainee && this.data.activeTab === 1) {
        this.drawRadarChart(this)
      }
    })
  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow() {
    tabService.updateIndex(this, 2)
    if(wx.getStorageSync('roleId') && wx.getStorageSync('roleId') == 5){ //学员
      this.setData({
        isTrainee:true
      })
    }
  },

  /**
   * 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
   */
  async onPullDownRefresh() {
    if(this.data.isTrainee){
      this.setData({
        pageIndex:1,
        hasMore:true
      },async ()=>{
        this.getTrainClass(true)
        await this.fetchFitnessReport()
        wx.stopPullDownRefresh()
        wx.showToast({
          title: '刷新成功',
          icon: 'none'
        })
      })
    }else{
      await this.getStudentReport()
      wx.stopPullDownRefresh()
      wx.showToast({
        title: '刷新成功!',
        icon: 'none'
      })
    }
    
  },

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom() {
    this.getTrainClass()
  },

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

  }
})