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

    const init = () => {
      let chartDom = echarts.init(document.getElementById(allData.id));

      var option;
      option = {
        color: ["#297fe0", "#1ddbc6"],
        legend: {
          show: true,
          // orient: 'vertical',
          // y: 'top',    //延Y轴居中
          x: "right", //居右显示
          align: "left", //图例控制在左边
          icon: "circle",

          padding: [
            0, // 上
            20, // 右
            0, // 下
            0, // 左
          ],
          itemWidth: 15,
          itemHeight: 15,

          itemStyle: {
            // opacity: 0
            // icon: ''
          },

          itemHeight: 15,
          textStyle: {
            color: "auto",
            rich: {
              another: {
                fontSize: 28,
              },
            },
            fontSize: 14,
          },
        },

        tooltip: {
          trigger: "axis",
          // formatter: "{b}：{c}件",
          // formatter: "{b}：{c}",
          feature: {
            mark: { show: true },
            dataView: { show: true, readOnly: false },
            magicType: { show: true, type: ["line", "bar"] },
            restore: { show: true },
            saveAsImage: { show: true },
          },
          axisPointer: {
            type: "cross",
            textStyle: {
              color: "#fff",
            },
          },
        },
        grid: {
          top: "10%",
          left: "3%",
          right: "5%",
          bottom: "5%",
          containLabel: true,
        },
        xAxis: [
          {
            type: "category",
            data: props.data.XAxis,
            axisPointer: {
              type: "shadow",
            },
            axisLabel: {
              show: true,
              color: "#fff",
            },
            axisLine: {
              lineStyle: {
                // color: "#3398DB"
              },
            },
          },
        ],
        yAxis: [
          {
            name: "",
            type: "value",
            axisLabel: {
              show: true,
              color: "rgba(41, 127, 224)",
            },
            axisLine: {
              lineStyle: {
                color: "rgba(41, 127, 224)",
              },
            },
            splitLine: {
              show: true,
              lineStyle: {
                color: "rgba(61,91,98,0.8)",
              },
            },
          },
          {
            inverse: true, //控制x轴在上方
            name: "",
            type: "value",
            axisLabel: {
              show: true,
              color: "#1edac6",
            },
            axisLine: {
              lineStyle: {
                color: "#1edac6",
              },
            },
            splitLine: {
              show: false,
              lineStyle: {
                color: "rgba(61,91,98,0.8)",
              },
            },
          },
        ],
        dataZoom: [
          {
            // show: true,
            show: false,
            height: 4,
            bottom: 18,
            start: 10,
            end: 80,
            handleSize: "100%",
            fillerColor: "#94FA41",
            borderColor: "transparent",
            backgroundColor: "rgba(148, 250, 65, 0.2)",
            handleStyle: {
              color: "#94FA41",
            },
            moveHandleSize: 0,
            textStyle: {
              color: "#fff",
            },
          },
          {
            type: "inside",
            show: true,
            height: 15,
            start: 1,
            end: 35,
          },
        ],
        series: [
          {
            smooth: true, //变为曲线 默认false折线
            name: "进水",
            type: "line",
            data: props.data.YAxis2,
            areaStyle: {
              //折线图颜色半透明
              color: {
                type: "linear",
                x: 0,
                y: 0,
                x2: 0,
                y2: 1,
                colorStops: [
                  {
                    offset: 0,
                    color: "rgba(16, 104, 211, 0.8)", // 0% 处的颜色
                  },
                  {
                    offset: 1,
                    color: "rgba(16, 104, 211, 0)", // 100% 处的颜色
                  },
                ],
                global: false, // 缺省为 false
              },
            },
          },
          {
            smooth: true, //变为曲线 默认false折线
            name: "出水",
            type: "line",
            data: props.data.YAxis,
            areaStyle: {
              //折线图颜色半透明
              color: {
                type: "linear",
                x: 0,
                y: 0,
                x2: 0,
                y2: 1,
                colorStops: [
                  {
                    offset: 0,
                    color: "rgba(22, 91, 131, 0.8)", // 0% 处的颜色
                  },
                  {
                    offset: 1,
                    color: "rgba(22, 91, 131, 0)", // 100% 处的颜色
                  },
                ],
                global: false, // 缺省为 false
              },
            },
          },
        ],
      };
      option && chartDom.setOption(option, true);
      allData.chart = chartDom;
    };
    watch(
      () => props.refresh,
      () => {
        if (allData.chartDom) {
          allData.chartDom.dispose();
          allData.chartDom = null;
        }
        setTimeout(() => {
          init();
        }, 0);
      }
    );
    onMounted(() => {
      init();
      window.addEventListener("resize", resizeTheChart);
    });
    return {
      ...toRefs(allData),
      resizeTheChart,
      init,
    };
  },
};
</script>