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<template>
  <RkEcharts ref="chart" :option="option" :autoResize="true" />
</template>
<script lang="ts">
  import { Vue, Component, Prop } from 'vue-property-decorator';

  @Component
  export default class ChartLine extends Vue {
    @Prop() private data!: any;
    @Prop() private type!: string;
    @Prop() private intervalTime!: any;
    public resize() {
      const chart: any = this.$refs.chart;
      chart.myChart.resize();
    }
    get option() {
      const keys = Object.keys(this.data || {}).filter((i: any) => Array.isArray(this.data[i]) && this.data[i].length);
      const temp = keys.map((i: any, index: number) => {
        const serie: any = {
          data: this.data[i].map((item: any, itemIndex: number) => [this.intervalTime[itemIndex], item]),
          name: i,
          type: 'line',
          symbol: 'none',
          barMaxWidth: 10,
          lineStyle: {
            width: 1.5,
            type: 'solid',
          },
        };
        if (this.type === 'areaChart') {
          serie.areaStyle = {
            opacity: 0.4,
          };
        }
        return serie;
      });
      let color: string[] = [];
      switch (keys.length) {
        case 2:
          color = ['#FF6A84', '#a0b1e6'];
          break;
        case 1:
          color = ['#3f96e3'];
          break;
        default:
          color = ['#30A4EB', '#45BFC0', '#FFCC55', '#FF6A84', '#a0a7e6'];
          break;
      }
      return {
        color,
        tooltip: {
          trigger: 'axis',
          backgroundColor: 'rgb(50,50,50)',
          textStyle: {
            fontSize: 13,
          },
        },
        legend: {
          show: keys.length === 1 ? false : true,
          icon: 'circle',
          top: 0,
          left: 0,
          itemWidth: 12,
        },
        grid: {
          top: keys.length === 1 ? 15 : 55,
          left: 0,
          right: 10,
          bottom: 5,
          containLabel: true,
        },
        xAxis: {
          type: 'category',
          axisTick: {
            lineStyle: { color: '#c1c5ca41' },
            alignWithLabel: true,
          },
          splitLine: { show: false },
          axisLine: { lineStyle: { color: 'rgba(0,0,0,0)' } },
          axisLabel: { color: '#9da5b2', fontSize: '11' },
        },
        yAxis: {
          type: 'value',
          axisLine: { show: false },
          axisTick: { show: false },
          splitLine: { lineStyle: { color: '#c1c5ca41', type: 'dashed' } },
          axisLabel: { color: '#9da5b2', fontSize: '11' },
        },
        series: temp,
      };
    }
  }
</script>