<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 shadowYData = [100, 100];
      var barTopColor = ["#fe7285FF", "#1f93ffFF", "#31e1adFF", "#e4cd61FF", "#12f9ffFF"];
      var barBottomColor = [
        "RGBA(154, 102, 125, 0.6)",
        "RGBA(17, 109, 182, 0.6)",
        "RGBA(27, 152, 136, 0.6)",
        "RGBA(126, 138, 92, 0.6)",
        "RGBA(10, 162, 178, 0.6)",
      ];
      var barWidth = 20;
      var option;
      option = {
        color: ["#3FFFC2", "#FFF21C"],
        tooltip: {
          trigger: "axis",

          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 = params[i].seriesName == "数量" ? "起" : "个";
                relVal +=
                  "<br/>" +
                  params[i].marker +
                  params[i].seriesName +
                  " " +
                  params[i].value +
                  unit;
              }
            }
            return relVal;
          },
        },
        grid: {
          top: 50,
          bottom: 20,
        },
        xAxis: [
          {
            type: "category",
            axisLine: {
              show: false,
              lineStyle: {
                width: 2,
                color: "#58b2ed",
              },
            },
            splitLine: {
              show: false,
            },
            axisTick: {
              show: false,
            },
            axisLabel: {
              color: "rgba(255,255,255,1)",
              fontSize: 16,
              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 = 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: "数量(起)",
            type: "value",
            axisLabel: {
              color: "#3FFFC2",
              show: true,
            },
            nameTextStyle: {
              color: "#3FFFC2",
            },
            splitLine: {
              lineStyle: {
                type: "dashed",
                color: "#3FFFC2",
              },
            },
            alignTicks: true,
          },
        ],
        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: [
          {
            name: "数量",
            type: "pictorialBar",
            symbolSize: [barWidth, 10],
            symbolOffset: [0, -6],
            symbolPosition: "end",
            z: 12,
            itemStyle: {
              normal: {
                color: function (params) {
                  return barTopColor[params.dataIndex];
                },
              },
            },
            data: props.data.yAxis,
          },
          // {
          //   name: "",
          //   type: "pictorialBar",
          //   symbolSize: [barWidth + 10, 15],
          //   symbolOffset: [0, 8],
          //   z: 10,
          //   itemStyle: {
          //     normal: {
          //       color: "transparent",
          //       borderColor: barTopColor,
          //       borderType: "solid",
          //       borderWidth: 10,
          //     },
          //   },
          //   data: props.data.yAxis,
          // },
          // {
          //   name: '',
          //   type: 'pictorialBar',
          //   symbolSize: [barWidth + 20, 20],
          //   symbolOffset: [0, 12],
          //   z: 12,
          //   itemStyle: {
          //     normal: {
          //       color: 'transparent',
          //       borderColor: barTopColor,
          //       borderType: 'solid',
          //       borderWidth: 10,
          //     },
          //   },
          //   data: props.data.yAxis,
          //   stack: 'check',
          // },
          // {
          //   name: "",
          //   type: "pictorialBar",
          //   symbolSize: [barWidth + 25, 20],
          //   symbolOffset: [0, 12],
          //   z: 12,
          //   itemStyle: {
          //     normal: {
          //       color: "transparent",
          //       borderColor: "#3ACDC5",
          //       borderType: "solid",
          //       borderWidth: 10,
          //     },
          //   },
          //   data: props.data.yAxis,
          //   stack: "check",
          // },
          {
            name: "",
            type: "bar",
            barWidth: barWidth,
            barGap: "10%", // Make series be overlap
            barCateGoryGap: "10%",
            itemStyle: {
              normal: {
                color: function (params) {
                  return new echarts.graphic.LinearGradient(0, 0, 0, 1, [
                    {
                      offset: 1,
                      color: barTopColor[params.dataIndex],
                    },
                    {
                      offset: 0,
                      color: barBottomColor[params.dataIndex],
                    },
                  ]);
                },
                opacity: 0.8,
              },
            },
            data: props.data.yAxis,
          },
          // {
          //   // smooth: true, //变为曲线 默认false折线
          //   name: "个数",
          //   type: "line",
          //   data: props.data.yAxis2,
          //   color: "#FFF21C",
          // },
        ],
      };
      option && chartDom.setOption(option, true);
      allData.chart = chartDom;
    };
    watch(
      () => props.refresh,
      () => {
        console.log(props, "propspropsprops");
        if (allData.chartDom) {
          allData.chartDom.dispose();
          allData.chartDom = null;
        }
        setTimeout(() => {
          init();
        }, 0);
      }
    );
    onMounted(() => {
      init();
      window.addEventListener("resize", resizeTheChart);
    });
    return {
      ...toRefs(allData),
      resizeTheChart,
      init,
    };
  },
};
</script>