<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,
  nextTick,
  onBeforeUnmount,
} from "vue";
export default {
  name: "qcswCharts",
  props: {
    data: Object,
    refresh: Number,
  },
  setup (props) {
    const state = reactive({
      id: guid(),
      chart: null,
    });
    const resizeTheChart = () => {
      if (state.chart) {
        state.chart.resize();
      }
    };
    const init = () => {
      console.log(props, "props");
      // let timeList,
      //   levelList,
      //   dataList = [];
      // timeList = props.data.timeList;
      // timeList = timeList?.map((item) => item.slice(6, 16));
      // dataList = props.data.dataList;
      // levelList = props.data.levelList;

      let chartDom = echarts.init(document.getElementById(state.id));
      //   if (dataList && dataList.length == 0) return;
      // console.log(props.data.unit, ' props.data.unit');
      var option;
      option = {
        tooltip: {
          trigger: "axis",
          axisPointer: {
            type: "shadow",
          },
          backgroundColor: "#082e57",
          borderColor: "#00D2FF",
          textStyle: {
            fontSize: 14,
            fontWeight: 500,
            color: "#BFDDD5",
          },
          formatter (params) {
            var name = params[0].name
            var value = params[0].value
            var typename = `降水量：${value}mm`

            return (
              '<span style="float:left;">' +
              '时间：' + name +
              '</span></br>' +
              '<span style="float:left;">' +
              typename +
              '</span></br>'
            )
          }
        },


        grid: {
          top: "15%",
          left: "10%",
          right: "10%",
          bottom: "20%",
          // containLabel: true,
        },
        color: ["#2980E0", "#1FDAC5"],
        // color: ["red", "black", "yellow", "pink", "cyan"],
        // legend: {
        //   textStyle: {
        //     color: "#E8F7FF",
        //   },

        //   itemHeight: 10,
        //   itemWidth: 10,
        //   icon: "circle",
        //   left: "60%",
        //   top: "5%",
        //   data: ["前池一", "前池二"],
        // },
        xAxis: {
          type: "category",
          // name: "小时",
          data: props.data.XAxis,
          boundaryGap: false,
          splitLine: {
            show: false,
          },
          axisLabel: {
            color: "#DADADA",
          },
        },
        yAxis: [
          {
            type: "value",
            // name: "m",
            alignTicks: true,
            // min: 0,
            min: function (value) {
              return value.min;
            },
            nameTextStyle: {
              color: "#298AFF",
            },
            axisLine: {
              show: true,
            },
            splitLine: {
              show: true,
              lineStyle: {
                type: "dotted",
                color: "#0E6BA5",
              },
            },
            axisLabel: {
              color: "#298AFF",
            },
          },
        ],
        series: [
          {
            // name: "前池一",
            data: props.data.YAxis,
            type: "line",
            smooth: true,
            yAxisIndex: 0,
            showSymbol: false,
            areaStyle: {
              // 控制渐变的颜色区间
              color: {
                type: "linear",
                x: 0,
                y: 0,
                x2: 0,
                y2: 1,
                colorStops: [
                  {
                    offset: 0,
                    color: "rgba(25, 97, 162)" // 0% 处的颜色
                  },
                  {
                    offset: 1,
                    color: "rgba(25, 97, 162,0.2)" // 100% 处的颜色
                  }
                ],
                global: false // 缺省为 false
              },

              //   normal: {
              //     color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{
              //       offset: 0,
              //       color: '#00FFFF'//下层渐变
              //     }, {
              //       offset: 0.8,
              //       color: 'rgba(137, 189, 27, 0)'
              //     }], false),
              //     shadowColor: 'rgba(0, 0, 0, 0.1)',
              //     shadowBlur: 10
              //   }

            },
            itemStyle: {
              normal: {
                color: "#2980E0",
                lineStyle: {
                  color: "#2980E0",
                },
              },
            },
          },
          // {
          //   name: "前池二",
          //   data: [0.2, 0.3, 0.1, 0.5, 0.6],
          //   // data: [1, 1, 5, 6, 8, 9, 9, 4],
          //   type: "line",
          //   smooth: true,
          //   yAxisIndex: 0,
          //   showSymbol: false,
          //   itemStyle: {
          //     normal: {
          //       color: "#1FDAC5",
          //       lineStyle: {
          //         color: "#1FDAC5",
          //       },
          //     },
          //   },
          // },
        ],
      };
      option && chartDom.setOption(option, true);
      state.chart = chartDom;
    };
    watch(
      () => props.refresh,
      () => {
        if (state.chartDom) {
          state.chartDom.dispose();
          state.chartDom = null;
        }
        setTimeout(() => {
          init();
        }, 0);
      }
    );

    onMounted(() => {
      // setTimeout(() => {
      //   init();
      // }, 1000);
      nextTick(() => {
        init();
      });
      window.addEventListener("resize", resizeTheChart);
    });
    onBeforeUnmount(() => {
      if (state.chart) {
        state.chart.dispose();
      }
    });
    return {
      ...toRefs(state),
      resizeTheChart,
      init,
    };
  },
};
</script>

<style></style>