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

<script>
import * as echarts from "echarts"
import resize from "@/components/Charts/mixins/resize"
const animationDuration = 2600
export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: "chart",
    },
    width: {
      type: String,
      default: "100%",
    },
    height: {
      type: String,
      default: "300px",
    },
    autoResize: {
      type: Boolean,
      default: true,
    },
    chartData: {
      required: true,
    },
    chartConfig: {
      type: Object,
      default: () => {
        return {}
      },
    },
  },
  data() {
    return {
      chart: null,
    }
  },
  watch: {
    chartData: {
      deep: true,
      handler(val) {
        this.setOptions(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)
      this.setOptions(this.chartData)
    },
    setOptions(chartData) {
      // if (!chartData.data) return
      const option = {
        tooltip: {
          trigger: "axis",
          // formatter: "{b}检出率" + ":" + "{c}%",
          valueFormatter: (value) => "检出率:" + value + "%",
          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'
          },
          backgroundColor: "rgba(50,50,50,0.7)",
          textStyle: {
            color: "#fff",
          },
        },
        grid: {
          top: "20%",
          left: "8%",
          right: "8%",
          bottom: "3%",
          containLabel: true,
        },
        title: {
          text: this.chartConfig.title,
          left: "center",
          textStyle: {
            color: "#fff",
            fontSize: 18,
            fontWeight: "normal",
          },
          top: 0,
        },
        yAxis: {
          type: "value",
          name: "百分率",
          nameTextStyle: {
            color: "#aaa",
          },
          splitLine: {
            show: false,
          },
          axisTick: {
            show: false,
          },
          axisLine: {
            show: true,
            lineStyle: {
              color: "#aaa",
            },
          },
          axisLabel: {
            show: true,
            formatter: "{value} %", //右侧Y轴文字显示
            textStyle: {
              color: "#aaa",
            },
          },
        },
        xAxis: {
          data: [],
          axisLine: {
            show: true, //隐藏X轴轴线
            lineStyle: {
              color: "#aaa",
            },
          },
          axisTick: {
            show: true, //隐藏X轴刻度
          },
          axisLabel: {
            show: true,
            interval: "0",
            rotate: 25,
            textStyle: {
              color: "#fff", //X轴文字颜色
            },
          },
        },
        series: [
          {
            type: "bar",
            stack: "vistors",
            barWidth: 15,
            data: [],
            itemStyle: {
              normal: {
                color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
                  {
                    offset: 0,
                    color: "#00FFE3",
                  },
                  {
                    offset: 1,
                    color: "#4693EC",
                  },
                ]),
              },
            },
            animationDuration: 2600,
          },
        ],
      }
      const series = chartData.map((v) => {
        return {
          name: v.name,
          value: Number(v.value),
        }
      })
      option.xAxis.data = series.map((_) => _.name)
      option.series[0].data = series.map((_) => _.value)
      this.chart.setOption(option)
    },
  },
}
</script>