<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, onUnmounted } from "vue";
import bus from "@/bus";
export default {
  name: "line-chart",
  props: {
    data: Object,
    refresh: Number,
    ClickData: 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 barWidth = 13;
      var option;
      option = {
        color: ["#3FFFC2", "#FFF21C"],
        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,
          },
        },
        grid: {
          bottom: "0%",
          right: 15,
          left: "0%",
          top: 30,
          containLabel: true,
        },
        xAxis: [
          {
            type: "category",
            axisLine: {
              show: false,
              lineStyle: {
                width: 2,
                color: "#58b2ed",
              },
            },
            splitLine: {
              show: false,
            },
            axisTick: {
              show: false,
            },
            axisLabel: {
              color: "#EBFEFF",
              fontSize: 12,
              fontFamily: "AlibabaPuHuiTi",
              formatter: function (params) {
                var str = ""; // 最终拼接成的字符串
                var paramsLen = params.length; // 获取每项文字的个数
                var len = props.data.xAxis.length > 7 ? 2 : 3; // 每行能显示的字的个数（根据实际情况自己设置）
                var rowNumber = Math.ceil(paramsLen / len); // 换行的话，需要显示几行，向上取整
                if (paramsLen > len) {
                  //大于设定的len就换行，不大于就不变化
                  for (var i = 0; i < rowNumber; i++) {
                    var temp = ""; // 表示每一次截取的字符串
                    var start = i * len; // 开始截取的位置
                    var end = start + len; // 结束截取的位置
                    if (i == rowNumber - 1) {
                      // 最后一次不换行
                      temp = params.substring(start, paramsLen);
                    } else {
                      // 每一次拼接字符串并换行
                      temp = params.substring(start, end) + "\n";
                    }
                    str += temp; // 最终拼成的字符串
                  }
                } else {
                  // 给新的字符串赋值
                  str = params;
                }
                return str; //返回字符串
              },
            },
            data: props.data.xAxis,
          },
        ],
        yAxis: [
          {
            name: props.data.y1_Unit,
            type: "value",
            minInterval: 1,
            axisLabel: {
              color: "#AAC1CF",
              show: true,
              // formatter: function (value) {
              //   return value.toFixed(2); // 保留两位小数
              // },
            },
            nameTextStyle: {
              color: "#AAC1CF",
            },
            splitLine: {
              lineStyle: {
                type: "dashed",
                color: "#2161a8",
              },
            },
            // alignTicks: true,
            position: "left",
            offset: 0,
          },
        ],
        dataZoom: [
          {
            // show: true,
            show: false,
            height: 4,
            bottom: 18,
            start: 0,
            end: 100,
            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: [
          // 柱状图
          // 折线图
        ],
      };
      // 右侧Y轴动态填入
      if (props.data.y2_show) {
        option.yAxis.push({
          name: props.data.y2_Unit,
          type: "value",
          min: 0,
          axisLabel: {
            color: "#AAC1CF",
            show: true,
            // formatter: function (value) {
            //   return value.toFixed(2); // 保留两位小数
            // },
          },
          nameTextStyle: {
            color: "#AAC1CF",
          },
          splitLine: {
            lineStyle: {
              type: "dashed",
              color: "#2161a8",
            },
          },
          // alignTicks: true,
          position: "right",
          offset: 0,
        });
      }
      // 数据动态填入
      if (props.data.yAxis1_bar != null) {
        option.series.push(
          {
            name: props.data.yAxis1_bar_Name,
            type: "pictorialBar",
            symbolSize: [barWidth, 6],
            symbolOffset: [0, -3],
            symbolPosition: "end",
            z: 11,
            itemStyle: {
              color: "#19D6FF",
            },
            data: props.data.yAxis1_bar,
            yAxisIndex: props.data.yAxis1_bar_index,
            tooltip: {
              valueFormatter: function (value) {
                let unit =
                  props.data.yAxis1_bar_index == 0
                    ? props.data.y1_Unit
                    : props.data.y2_Unit;
                return value + unit;
              },
            },
          },
          {
            name: "",
            type: "bar",
            barWidth: barWidth,
            itemStyle: {
              // normal: {
              color: "rgba(25,214,255,0.8)",
              opacity: 0.6,
              // },
            },
            data: props.data.yAxis1_bar,
            barGap: "-100%",
            yAxisIndex: props.data.yAxis1_bar_index,
            tooltip: {
              show: false,
            },
          }
        );
      }
      if (props.data.yAxis2_bar != null) {
        option.series.push(
          {
            name: props.data.yAxis2_bar_Name,
            type: "pictorialBar",
            symbolSize: [barWidth, 6],
            symbolOffset: [0, -3],
            symbolPosition: "end",
            z: 12,
            itemStyle: {
              color: "#FF6464",
            },
            data: props.data.yAxis2_bar,
            yAxisIndex: props.data.yAxis2_bar_index,
            tooltip: {
              valueFormatter: function (value) {
                let unit =
                  props.data.yAxis2_bar_index == 0
                    ? props.data.y1_Unit
                    : props.data.y2_Unit;
                return value + unit;
              },
            },
          },
          {
            name: "",
            type: "bar",
            barWidth: barWidth,
            itemStyle: {
              // normal: {
              color: function (params) {
                return "rgba(255,100,100)";
              },
              opacity: 0.6,

              // },
            },
            data: props.data.yAxis2_bar,
            yAxisIndex: props.data.yAxis2_bar_index,
            tooltip: {
              show: false,
            },
          }
        );
      }
      if (props.data.yAxis2_line != null) {
        option.series.push({
          name: props.data.yAxis2_line_Name,
          data: props.data.yAxis2_line,
          type: "line",
          // 修改折线颜色
          lineStyle: {
            color: "#FFC155", // 折线颜色
            width: 2, // 折线宽度
          },
          // 修改数据点颜色
          itemStyle: {
            color: "#FFC155", // 数据点颜色
          },
          yAxisIndex: props.data.yAxis2_line_Index,
          tooltip: {
            valueFormatter: function (value) {
              let unit =
                props.data.yAxis2_line_Index == 0
                  ? props.data.y1_Unit
                  : props.data.y2_Unit;
              return value + unit;
            },
          },
        });
      }
      if (props.data.yAxis3_line != null) {
        option.series.push({
          name: props.data.yAxis3_line_Name,
          data: props.data.yAxis3_line,
          type: "line",
          // 修改折线颜色
          lineStyle: {
            color: "#99FF55", // 折线颜色
            width: 2, // 折线宽度
          },
          // 修改数据点颜色
          itemStyle: {
            color: "#99FF55", // 数据点颜色
          },
          yAxisIndex: props.data.yAxis3_line_Index,
          tooltip: {
            valueFormatter: function (value) {
              let unit =
                props.data.yAxis3_line_Index == 0
                  ? props.data.y1_Unit
                  : props.data.y2_Unit;
              return value + unit;
            },
          },
        });
      }
      option && chartDom.setOption(option, true);
      allData.chart = chartDom;
      animateChart();
      // 监听点击事件
      allData.chart.on("click", function (params) {
        console.log("echarts点击事件", params.name, props.ClickData);
        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;
        }
        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(() => {
        allData.chart.dispatchAction({
          type: "showTip",
          seriesIndex: 0,
          dataIndex: i,
        });
        i++;
        if (i == length) i = 0;
      }, 3000);
    }
    onMounted(() => {
      init();
      window.addEventListener("resize", resizeTheChart);
    });
    onUnmounted(() => {
      allData.chart.off("click");
      if (allData.timer) clearInterval(allData.timer);
    });
    return {
      ...toRefs(allData),
      resizeTheChart,
      init,
    };
  },
};
</script>