<template>
  <div v-show="dataSeries.length" ref="chartRef" :style="{ height, width }"></div>
  <div v-show="!dataSeries.length"><Empty :image="Empty.PRESENTED_IMAGE_SIMPLE" /></div>
</template>
<script lang="ts">
  import { defineComponent, PropType, ref, Ref, onMounted, toRefs } from 'vue';
  import { useECharts } from '/@/hooks/web/useECharts';
  import { Empty } from 'ant-design-vue';

  export default defineComponent({
    components: { Empty },
    props: {
      width: {
        type: String as PropType<string>,
        default: '100%',
      },
      height: {
        type: String as PropType<string>,
        default: '200px',
      },
      legendData: {
        type: Array,
        default: () => [],
      },
      seriesData: {
        type: Array,
        default: () => [],
      },
    },
    setup(props) {
      const { legendData, seriesData } = toRefs(props);
      const dataSeries = ref<any>([]);
      const legendDatas = ref<any>([]);
      dataSeries.value = seriesData.value;
      legendDatas.value = legendData.value;

      const chartRef = ref<HTMLDivElement | null>(null);
      const { setOptions, resize } = useECharts(chartRef as Ref<HTMLDivElement>);
      onMounted(() => {
        setOptions({
          backgroundColor: '#ffffff',
          tooltip: {
            trigger: 'item',
            formatter: '{b} {d}%',
          },
          legend: {
            bottom: 0,
            width: 500,
            height: 200,
            left: 'center',
            data: legendDatas,
          },
          series: [
            {
              type: 'pie',
              radius: '60%',
              data: dataSeries,
              emphasis: {
                itemStyle: {
                  shadowBlur: 10,
                  shadowOffsetX: 0,
                  shadowColor: 'rgba(0, 0, 0, 0.5)',
                },
              },
            },
          ],
        });
        //自适应
        window.addEventListener('resize', () => resize());
      });
      return { chartRef, Empty, dataSeries };
    },
  });
</script>