// pages/assessment/assessment.js
const util = require('../../../utils/util')
const echarts = require("../../../component/ec-canvas/echarts")
const assessmentService = require("../../../service/assessmentservice")
const moment = require('../../../utils/moment.min')
const app = getApp()

function setOption(chart, data) {
  var option = {
    // title: {
    //   text: data.total, //主标题文本
    //   subtext: '注册企业', //副标题文本
    // },
    color: ['#8BE7B7'],
    grid: {
      containLabel: true
    },
    tooltip: {
      show: true,
      trigger: 'axis'
    },
    xAxis: {
      name: '月份',
      nameLocation: 'end',
      type: 'category',
      boundaryGap: false,
      data: ['1月', '2月', '3月', '4月', '5月', '6月', '7月', '8月', '9月', '10月', '11月', '12月'],
      nameTextStyle: {
        fontSize: 10,
      },
      // axisTick: {
      //   interval = '0'
      // }
    },
    yAxis: {
      name: '得分',
      x: 'center',
      type: 'value',
      splitLine: {
        lineStyle: {
          type: 'dashed'
        }
      }
      // show: false
    },
    grid: {
      x: 30,
      y: 30,
      x2: 37,
      y2: 60
    },

    series: [{
      name: '评分',
      type: 'line',
      smooth: true,
      areaStyle: {
        color: {
          type: 'linear',
          x: 0.5,
          y: 0,
          x2: 0.5,
          y2: 1,
          colorStops: [{
              offset: 0, color: '#28db74' // 0% 处的颜色
          }, {
              offset: 1, color: '#dcfeea79' // 100% 处的颜色
          }],
          opacity: 0.1,
          global: false // 缺省为 false
        }
      },
      data: data,
    }]
  };

  chart.setOption(option);
}

Page({

  /**
   * 页面的初始数据
   */
  data: {
    ec: {
      lazyLoad: true
    },
    //当月评分情况
    text1: "测评已开始!",
    text2: "请尽快完成测评",
    text3: "去测评",
    deadline: "----年--月--日",
    score: undefined,
    //折线图时间选择
    planYear: "2000",
    maxYear: "2000",
    //当前的评分周期
    thisPeriod: '2000/1-1',
    //评估历史
    historys: []
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    this.setData({
      navContentHeight: util.navContentHeight(),
      statusBarHeight: wx.getSystemInfoSync().statusBarHeight
    })
    this._initPlanYear()
  },

  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady: function () {
    // setTimeout(() => {
    // 获取折线图组件
    this.ecComponent = this.selectComponent('#mychart-dom-line');
    this.initChart()
    // }, 1000);
  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow: function () {
    var that = this
    wx.startPullDownRefresh({
      success: (res) => {},
      fail: (res) => {},
      complete: (res) => {},
    })
  },

  onPullDownRefresh(){
    this.getHistoryPoint()

  },

  initChart: function () {
    var data = {
   
    }
    this.ecComponent.init((canvas, width, height, dpr) => {
      // 获取组件的 canvas、width、height 后的回调函数
      // 在这里初始化图表
      const chart = echarts.init(canvas, null, {
        width: width,
        height: height,
        devicePixelRatio: dpr // new
      });
      canvas.setChart(chart);
      setOption(chart, data);

      // 将图表实例绑定到 this 上，可以在其他成员函数（如 dispose）中访问
      this.chart = chart;

      // 注意这里一定要返回 chart 实例，否则会影响事件处理等
      return chart;
    });
  },

  /**
   * 初始化年份
   */
  _initPlanYear() {
    var now = moment()
    var year = now.year()
    var period = `${now.year()}/${now.month()+1}-${now.month()+1}`
    var deadline = now.endOf('month').format("YYYY年MM月DD日")
    this.setData({
      planYear: `${year}年`,
      maxYear: year,
      thisPeriod: period,
      deadline: deadline
    })
  },

  /**
   * 获取评估规则
   */
  getRule() {
    assessmentService.getRule(app.globalData.userInfo.extension2, {

    })
  },

  /**
   * 获取评估历史记录
   */
  getHistoryPoint() {
    var that = this
    assessmentService.getHistoryPoint(app.globalData.accessToken.userId, 1, {
      success(data) {
        //当月评分情况
        let lastOne = data[0]
        let date = moment(lastOne.updateDate)
        let period = `${date.year()}/${date.month()+1}-${date.month()+1}`
        if (period == that.data.thisPeriod) {
          that.setData({
            score: lastOne.totalPoint,
            text1: "",
            text2: "本次测评已完成",
            text3: "查看详情",
            hasScore: true
          })
        } else {
          that.setData({
            text1: "测评已开始!",
            text2: "请尽快完成测评",
            text3: "去测评",
            score: undefined,
            hasScore: false
          })
        }

        //历史评分情况与折线图
        let historyList = []
        that.chartData = {}
        data.forEach(d => {
          //历史记录
          historyList.push({
            score: d.totalPoint,
            color: d.color,
            rank: d.rank,
            level: d.level,
            period: d.period,
            time: d.period.replace('/', '年').replace(/\-[0-9]+/, '月'),
            scoreId: d.tPGuid,
            updateTime: moment(d.updateDate).format('YYYY-MM-DD hh:mm')
          })

          //折线图数据
          let y = d.period.split('/')[0]
          let key =  y + '年'
          if (!that.chartData.hasOwnProperty(key)) {
            that.chartData[key] = ['0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0']
            if (y == date.year() + '') {
              let m = date.month()
              for (let i = m; i <= 11; i++) {
                that.chartData[key][i] = '-'
              }
            }
          }
          let monthGap = d.period.split('/')[1]
          let startMonth = parseInt(monthGap.split('-')[0])
          let endMonth = parseInt(monthGap.split('-')[1])
          for (let i = startMonth; i <= endMonth; i++) {
            that.chartData[key][i-1] = d.totalPoint
          }
        });
        that.setData({
          historys: historyList
        })
        setTimeout(() => {
          setOption(that.chart, that.chartData[that.data.planYear]);
        }, 500);
      },
      complete(res) {
        wx.stopPullDownRefresh({
          success: (res) => {},
          fail: (res) => {},
          complete: (res) => {},
        })
      }
    })
  },

  /**
   * 选择计划年份
   */
  bindYearChange(e) {
    let y = e.detail.value
    this.setData({
      planYear: `${y}年`,
    })
    setOption(this.chart, this.chartData[this.data.planYear])
  },

  /**
   * 页面跳转
   */
  goto: function (e) {
    var url = ""
    var index = e.currentTarget.dataset.index
    switch (index) {
      case "0":
        //去测评或者查看详情
        if (this.data.score) {
          url = `/pages/m_assessment/gradereport/gradereport?period=${this.data.thisPeriod}`
        } else {
          url = `/pages/m_assessment/grade/grade?record=false`
        }
        break;
      case "1":
        //历史评估记录详情
        var period = e.currentTarget.dataset.period
        url = `/pages/m_assessment/gradereport/gradereport?period=${period}`
        break;
      case "2":
        //碳排放智能估算
        url = ""
        break;
      case "3":
        //其他专项自测
        url = ""
        break;
      case "4":
        break;
      case "5":
        break;
    }
    if (url != "") {
      wx.navigateTo({
        url: url
      })
    } else {
      wx.showToast({
        title: '功能敬请期待',
        duration: 1000,
        icon: 'none',
        mask: true,
      })
    }
  }
})