<template>
  <div :id="id" :class="className" :style="{ height:height,width:width }" />
</template>
<script>
  import echarts from 'echarts'
  import resize from './mixins/resize'

  export default {
    mixins: [resize],
    props: {
      className: {
        type: String,
        default: "chart"
      },
      id: {
        type: String,
        default: "chart"
      },
      width: {
        type: String,
        default: "100%"
      },
      height: {
        type: String,
        default: "400px"
      },
      data: {
        type: Object,
        default: {}
      },
    },
    data() {
      return {
        chart: null
      };
    },
      watch: {
          data: {
              handler(newVal, oldVal) {
                  if (newVal) {
                      this.initChart();
                  }
              },
              deep: true //对象内部属性的监听，关键。
          }
      },
    mounted() {
        this.$nextTick(() => {
            this.initChart();
        })
    },
    beforeDestroy() {
      if (!this.chart) {
        return;
      }
      this.chart.dispose();
      this.chart = null;
    },
    methods: {
      initChart() {
        let that = this;
        this.chart = echarts.init(document.getElementById(this.id));
        let option = {
          tooltip: {
            show: true,
            trigger: 'axis',
            axisPointer: {
              type: 'shadow'
            },
            formatter:'{b}<br />{a}: {c}万'
          },
          legend: {
            left: 'center',
            top: 3,
            data: that.data.legendData
          },
          grid: [{
            left: '17%',
            show: true,
            containLabel: false,
            bottom:'42.5%',
            top:'25%',
            backgroundColor:'#FCF0D3',
            borderColor:'#F5EEF1',
          }, {
            left: '17%',
            show: true,
            containLabel: false,
            bottom:"10%",
            top:'57.5%',
            backgroundColor:'#DDF7FE',
            borderColor:'#F5EEF1',
          }, {
            left: '17%',
            height: 0,
            bottom:'10',
            top:'90%',
          }],
          xAxis: [{
            type: 'category',
            // inverse: true,
            axisLine: {
              show: false
            },
            axisTick: {
              show: false
            },
            axisLabel: {
              show: false,
            },
            splitLine: {
              show: false,
            },
            data: that.data.xAxisData
          }, {
            gridIndex: 1,
            type: 'category',
            axisLine: {
              show: false
            },
            axisTick: {
              show: false
            },
            axisLabel: {
              show: false,
            },
            splitLine: {
              show: false,
            },
            data: that.data.xAxisData
          },
            {
            gridIndex: 2,
            show: true,
            axisTick: {
              show: false
            },
            axisLine: {
              show: false
            },
            data: that.data.xAxisData
          }
          ],
          yAxis: [{
            name: that.data.yAxisName,
            nameTextStyle:{
              color:'#333',
              fontSize: 10,
            },
            // position: 'right',
            axisLabel: {
              color: '#333333',
              // fontSize: '12'
            },
            axisLine: {
              show: true,
              lineStyle:{
                color:'#F5EEF1',
              },
            },
            splitLine: {
              lineStyle:{
                color:'#F5EEF1',
              },
            },
            type: 'value',
            inverse: false,
            axisTick: {
              show: false
            },
          },
           {
              gridIndex: 1,
              // position: 'left',
              axisLabel: {
                color: '#333333',
                // fontSize: '12'
              },
              axisLine: {
                show: true,
                lineStyle:{
                  color:'#F5EEF1',
                },
              },
               splitLine: {
                 lineStyle:{
                   color:'#F5EEF1',
                 },
               },
              type: 'value',
              inverse: true,
              axisTick: {
                show: false
              },
            },
            {
              gridIndex: 2,
              // position: 'center',
              type: 'value',
              // inverse: true,
              axisLabel: {
                show: false,
              },
              axisTick: {
                show: false,
              },
              axisLine: {
                show: false,
              },
            },
          ],
          series: [{
            name: that.data.legendData[0],
            barWidth: '50%',
            type: 'bar',
            itemStyle: {
              color: '#F29700',
            },
            data: that.data.seriesData[0]
          },
            {
              type: 'bar',
              barWidth: '50%',
              xAxisIndex: 1,
              yAxisIndex: 1,
              name: that.data.legendData[1],
              itemStyle: {
                color: '#048EF3',
              },
              data: that.data.seriesData[1]
            }
          ]
        };
        this.chart.setOption(option);
      }
    }
  };
</script>
