<template>
  <div class="p-4">
    <div ref="chartRef" :style="{ height, width }" />
  </div>
</template>
<script lang="ts">
  import { defineComponent, PropType, ref, Ref, onMounted } from 'vue';

  import echarts from 'echarts';
  import { useECharts } from '/@/hooks/web/useECharts';
  import { getLineData } from './data';

  export default defineComponent({
    props: {
      width: {
        type: String as PropType<string>,
        default: '100%',
      },
      height: {
        type: String as PropType<string>,
        default: '80vh',
      },
    },
    setup() {
      const chartRef = ref<HTMLDivElement | null>(null);
      const { setOptions } = useECharts(chartRef as Ref<HTMLDivElement>);
      const { barData, lineData, category } = getLineData;
      onMounted(() => {
        setOptions({
          backgroundColor: '#0f375f',
          tooltip: {
            trigger: 'axis',
            axisPointer: {
              type: 'shadow',
              label: {
                show: true,
                backgroundColor: '#333',
              },
            },
          },
          legend: {
            data: ['line', 'bar'],
            textStyle: {
              color: '#ccc',
            },
          },
          xAxis: {
            data: category,
            axisLine: {
              lineStyle: {
                color: '#ccc',
              },
            },
          },
          yAxis: {
            splitLine: { show: false },
            axisLine: {
              lineStyle: {
                color: '#ccc',
              },
            },
          },
          series: [
            {
              name: 'line',
              type: 'line',
              smooth: true,
              showAllSymbol: true,
              symbol: 'emptyCircle',
              symbolSize: 15,
              data: lineData,
            },
            {
              name: 'bar',
              type: 'bar',
              barWidth: 10,
              itemStyle: {
                normal: {
                  barBorderRadius: 5,
                  color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
                    { offset: 0, color: '#14c8d4' },
                    { offset: 1, color: '#43eec6' },
                  ]),
                },
              },
              data: barData,
            },
            {
              name: 'line',
              type: 'bar',
              barGap: '-100%',
              barWidth: 10,
              itemStyle: {
                normal: {
                  color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
                    { offset: 0, color: 'rgba(20,200,212,0.5)' },
                    { offset: 0.2, color: 'rgba(20,200,212,0.2)' },
                    { offset: 1, color: 'rgba(20,200,212,0)' },
                  ]),
                },
              },
              z: -12,
              data: lineData,
            },
            {
              name: 'dotted',
              type: 'pictorialBar',
              symbol: 'rect',
              itemStyle: {
                normal: {
                  color: '#0f375f',
                },
              },
              symbolRepeat: true,
              symbolSize: [12, 4],
              symbolMargin: 1,
              z: -10,
              data: lineData,
            },
          ],
        });
      });
      return { chartRef };
    },
  });
</script>
