<template>
  <div :id="id" style="width: 100%; height: 100%"></div>
</template>
<script>
import * as echarts from "echarts";
import { guid } from "@/utils/ruoyi";
import bus from "@/bus";
import { reactive, toRefs, onMounted, onUnmounted, watch } from "vue";
export default {
  name: "line-chart",
  props: {
    data: Object,
    refresh: Number,
    ClickData: String,
    TypeID: String,
  },
  setup(props) {
    const allData = reactive({
      series: [],
      legend: [],
      id: guid(),
      chart: null,
      timer: null,
    });
    const resizeTheChart = () => {
      if (allData.chart) {
        allData.chart.resize();
      }
    };

    const init = () => {
      // let chartDom = echarts.init(document.getElementById(allData.id));
      //先获取Dom上的实例
      let chartDom = echarts.getInstanceByDom(document.getElementById(allData.id));
      //然后判断实例是否存在，如果不存在，就创建新实例
      if (chartDom == null) {
        chartDom = echarts.init(document.getElementById(allData.id));
      }
      var option;
      option = {
        tooltip: {
          trigger: "axis",
          backgroundColor: "#004284",
          borderColor: "#0B9BFF",
          borderRadius: 6, // 设置圆角大小
          // 自定义提示框文本样
          textStyle: {
            // 字体颜色
            color: "white",
            // 字体大小
            fontSize: 14,
          },
          formatter: (params) => {
            // console.log(params);
            var relVal = "" + params[0].name;
            for (var i = 0, l = params.length; i < l; i++) {
              if (params[i].seriesName) {
                let unit = "km";
                relVal +=
                  "<br/>" +
                  params[i].marker +
                  params[i].seriesName +
                  " " +
                  params[i].value +
                  unit;
              }
            }
            return relVal;
          },
        },
        legend: {
          textStyle: {
            color: "#FFFFFF", // 这里设置为红色
          },
        },
        grid: {
          left: "3%",
          right: "4%",
          bottom: "3%",
          top: "10%",
          containLabel: true,
        },
        xAxis: {
          // name: "数量(个)",
          nameTextStyle: {
            color: "#AAC1CF", // 红色
            align: "right",
            fontSize: 10,
          },
          max: Math.ceil(Math.max.apply(null, props.data.yAxis2) * 1.1),
          nameLocation: "start",
          type: "value",
          minInterval: 1,
          nameGap: 5,
          axisLabel: {
            color: "#AAC1CF",
            fontSize: 12,
          },
          splitLine: {
            lineStyle: {
              type: "dashed",
              color: "#2161a8",
            },
          },
        },
        yAxis: {
          type: "category",
          data: props.data.xAxis,
          axisLabel: {
            color: "#EBFEFF",
            show: true,
            fontSize: 12,
          },
          nameTextStyle: {
            color: "#FFFFFF",
          },
        },
        series: [
          {
            name: props.data.yAxis2_Name,
            type: "bar",
            barWidth: 10,
            // label: {
            //   show: true,
            // },
            data: props.data.yAxis2,
            barGap: "-100%",
            itemStyle: {
              borderRadius: [20, 20, 20, 20],
              color: "#31FEDF",
            },
          },
          {
            name: props.data.yAxis_Name,
            type: "bar",
            barWidth: 10,
            // label: {
            //   show: true,
            // },
            data: props.data.yAxis,
            itemStyle: {
              borderRadius: [20, 20, 20, 20],
              color: new echarts.graphic.LinearGradient(0, 0, 1, 0, [
                { offset: 0, color: "#FF6464" },
                { offset: 1, color: "#FF9A9A" },
              ]),
            },
          },
        ],
      };

      option && chartDom.setOption(option, true);
      allData.chart = chartDom;
      // animateChart();
      // 监听点击事件
      allData.chart.on("click", function (params) {
        // params.value 是点击的X轴标签的值
        console.log("echarts点击事件", params.value, props.ClickData, props.TypeID);
        bus.emit("openJXFXDialog", {
          name: params.name,
          ClickData: props.ClickData,
        });
        // 在这里可以执行相应的逻辑
      });
    };
    watch(
      () => props.refresh,
      () => {
        console.log(props, "propspropsprops");
        if (allData.chartDom) {
          allData.chartDom.dispose();
          allData.chartDom = null;
          // clearInterval(allData.timer);
        }
        allData.chart.off("click");

        setTimeout(() => {
          init();
        }, 0);
      }
    );
    // echarts动画
    function animateChart() {
      let length = props.data.xAxis.length;
      let i = 0;
      if (allData.timer) clearInterval(allData.timer);
      allData.timer = setInterval(() => {
        i++;
        if (i == length) i = 0;
        allData.chart.dispatchAction({
          type: "showTip",
          seriesIndex: 0,
          dataIndex: i,
        });
      }, 3000);
    }
    onMounted(() => {
      init();
      window.addEventListener("resize", resizeTheChart);
    });
    onUnmounted(() => {
      if (allData.timer) clearInterval(allData.timer);
    });
    return {
      ...toRefs(allData),
      resizeTheChart,
      init,
    };
  },
};
</script>