// pages/member/Performance/Performance.js
const echarts = require('../../../../ec-canvas/echarts'); //路径一定要正确否则会调用错误
var app = getApp();
Page({
  /**
	 * 页面的初始数据
	 */
  data: {
    language: '',
    ec: {
      lazyLoad: true // 延迟加载
    },
    total: '',
    month: '',
    today: '',
    recent: '',
    xdate: [],
    ydate: []
  },

  /**
	 * 生命周期函数--监听页面加载
	 */
  onLoad: function(options) {
    this.echartsComponnet=this.selectComponent('#mychart');
    this._getPerformance();
  },

  /**
	 * 生命周期函数--监听页面初次渲染完成
	 */
  onReady: function() {
    let language = wx.getStorageSync('langIndex');
    this.setData({ 'language': language.en});
  },

  /**
	 * 生命周期函数--监听页面显示
	 */
  onShow: function() {

  },

  /**
	 * 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() {

  },

  /**
	 * 页面上拉触底事件的处理函数
	 */
  onReachBottom: function() {

  },

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

  },
  _getPerformance() {
    let that = this;
    let urlStr = app.getNetAddresss('finance.OrderAll');
    app._getNetWork({
      url: urlStr,
      success: function(resdata) {
        var res = resdata.data;
        if (res.result == 1) {
          that.setData({
            total: res.data.all,
            month: res.data.month,
            today: res.data.today,
            recent: res.data.recent
          });
          for (var value in that.data.recent) {
            let xdate = that.data.xdate;
            let ydate = that.data.ydate;
            xdate.push(that.data.recent[value].date);
            ydate.push(that.data.recent[value].price);
            that.setData({
              xdate: xdate,
              ydate: ydate
            });
          }
          that.init_echarts(); //初始化图表
        } else {
          wx.showToast({
            icon: 'none',
            title: res.msg,
            duration: 1500
          });
        }
      },
      fail: function(res) {
        console.log(res.msg);
      }
    });
  },
  //初始化图表
  init_echarts: function() {
    this.echartsComponnet.init((canvas, width, height) => {
      // 初始化图表
      const Chart = echarts.init(canvas, null, {
        width: width,
        height: height
      });
      Chart.setOption(this.getOption());
      // 注意这里一定要返回 chart 实例，否则会影响事件处理等
      return Chart;
    });
  },
  getOption: function() {
    // 指定图表的配置项和数据
    var option = {
      title: {
        text: '最近7天营业额(万元)',
        textStyle: {
          fontSize: 14,
          color: '#FF5511'
        }
      },
      xAxis: {
        type: 'category',
        data: this.data.xdate,
        boundaryGap: false,
        axisLabel: {
          fontSize: 14,
          fontFamily: 'Arial',
          interval: 0,
          rotate: 30
        }
      },
      yAxis: {
        type: 'value',
        axisLabel: {
          fontFamily: 'Arial',
        }
      },
      series: [{
        data: this.data.ydate,
        type: 'line',
        hoverAnimatio: true
      }]
    };
    return option;
  },
});