<script setup lang="ts">
import { ref, onMounted } from 'vue';
import * as echarts from 'echarts';
type EChartsOption = echarts.EChartsOption;
type ECharts = echarts.ECharts;

const colors = ['#E8C07D', '#9FC088', '#CC704B', '#614124'];
const chartShareDatasetRef = ref<any>(null);
onMounted(() => {
  getChart();
});

var shareDatasetChart: ECharts;
function getChart() {
  if (shareDatasetChart != null && shareDatasetChart != undefined) {
    shareDatasetChart.dispose();
  }
  shareDatasetChart = echarts.init(chartShareDatasetRef.value);
  let option: EChartsOption;

  option = {
    color: colors,
    // grid: { top: '55%' },
    grid: {
      top: 300,
      bottom: 50,
      left: 40,
      right: 20,
    },
    legend: {},
    tooltip: {
      trigger: 'axis',
      showContent: false,
      axisPointer: {
        type: 'shadow',
      },
    },
    dataset: {
      source: [
        ['product', '2012', '2013', '2014', '2015', '2016', '2017'],
        ['奶茶', 56.5, 82.1, 88.7, 70.1, 53.4, 85.1],
        ['抹茶拿铁', 51.1, 51.4, 55.1, 53.3, 73.8, 68.7],
        ['奶酪可可', 40.1, 62.2, 69.5, 36.4, 45.2, 32.5],
        ['核桃布朗尼', 25.2, 37.1, 41.2, 18, 33.9, 49.1],
      ],
    },
    xAxis: { type: 'category' },
    yAxis: { gridIndex: 0 },
    series: [
      {
        type: 'line',
        smooth: true,
        seriesLayoutBy: 'row',
        emphasis: { focus: 'series' },
      },
      {
        type: 'line',
        smooth: true,
        seriesLayoutBy: 'row',
        emphasis: { focus: 'series' },
      },
      {
        type: 'line',
        smooth: true,
        seriesLayoutBy: 'row',
        emphasis: { focus: 'series' },
      },
      {
        type: 'line',
        smooth: true,
        seriesLayoutBy: 'row',
        emphasis: { focus: 'series' },
      },
      {
        type: 'pie',
        id: 'pie',
        radius: '30%',
        center: ['50%', '25%'],
        // emphasis: {
        //   focus: 'self',
        // },
        label: {
          formatter: '{b}: {@2012} ({d}%)',
        },
        encode: {
          itemName: 'product',
          value: '2017',
          tooltip: '2017',
        },
      },
    ],
  };

  shareDatasetChart.on('updateAxisPointer', function (event: any) {
    const xAxisInfo = event.axesInfo[0];
    if (xAxisInfo) {
      const dimension = xAxisInfo.value + 1;
      shareDatasetChart.setOption<EChartsOption>({
        series: {
          id: 'pie',
          label: {
            formatter: '{b}: {@[' + dimension + ']} ({d}%)',
          },
          encode: {
            value: dimension,
            tooltip: dimension,
          },
        },
      });
    }
  });

  shareDatasetChart.setOption(option);
}
</script>
<template>
  <div class="fit" ref="chartShareDatasetRef"></div>
</template>

<style lang="scss" scoped></style>
