<template>
  <div :class="className" :style="{ height: height, width: width }" />
</template>

<script>
import echarts from "echarts";
//require('echarts/theme/macarons') // echarts theme
import resize from "./mixins/resize";

const animationDuration = 1000;

export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: "chart",
    },
    width: {
      type: String,
      default: "100%",
    },
    height: {
      type: String,
      default: "300px",
    },
    chartData: {
      type: Object,
      required: true,
    },
  },
  data() {
    return {
      chart: null,
    };
  },
  watch: {
    chartData: {
      deep: true,
      handler(val) {
        this.initChart(val);
      },
    },
  },
  mounted() {
    this.$nextTick(() => {
      this.initChart();
    });
  },
  beforeDestroy() {
    if (!this.chart) {
      return;
    }
    this.chart.dispose();
    this.chart = null;
  },
  methods: {
    initChart() {
      this.chart = echarts.init(this.$el, "macarons");
      if (!this.chartData.s) {
      return;
    }
      let series = [];
      for (var i = 0; i < this.chartData.s.length; i++) {
        series.push({
          name: this.chartData.s[i].name,
          type: "bar",
          stack: "vistors",
          barWidth: "60%",
          data: this.chartData.s[i].data,
          animationDuration,
        });
      }
      this.chart.setOption({
        title: {
        text: this.chartData.t,
    },
        tooltip: {
          trigger: "axis",
          axisPointer: {
            // 坐标轴指示器，坐标轴触发有效
            type: "shadow", // 默认为直线，可选为：'line' | 'shadow'
          },
        },
        toolbox: {
          show: true,
          feature: {
            dataView: { show: true, readOnly: true },
            saveAsImage: { show: true },
          },
        },
        grid: {
          top: 40,
          left: "2%",
          right: "2%",
          bottom: "3%",
          containLabel: true,
        },
        xAxis: [
          {
            type: "category",
            data: this.chartData.x.data,
            axisTick: {
              alignWithLabel: true,
            },
            "axisLabel":{
    		interval: 0
    	}
          },
        ],
        yAxis: [
          {
            type: "value",
            axisTick: {
              show: false,
            },
          },
        ],
        series: series,
      });
    },
  },
};
</script>
