<template>
  <!-- 地图 -->
  <Echart
    id="centreLeft2Chart"
    class="centreLeft2Chart"
    :key="key"
    ref="centreLeft2ChartRef"
    width="100%"
    height="100%"
    :options="options"
  ></Echart>
</template>

<script>
import Echart from "@/common/echart";
import { mapGetters } from "vuex";
export default {
  data() {
    return {
      options: {},
      max: "100", //最大value值
      min: "1", // 最小value值
      key: 0,
      mapjson: "",
    };
  },
  components: {
    Echart,
  },
  created() {},
  props: {
    cdata: {
      type: Array,
      default: () => [],
    },
  },
  mounted() {

    window.addEventListener("resize", () => {
      this.key++;
    });
      this.getDistrictcode();
  },
  watch: {
    cdata: {
      handler(newData) {
        let _this = this;
        // 设置点的位置(经纬度)
        const geoCoordMap = {
          汉台区: [107.03187, 33.06774, 20],
          南郑区: [106.94024, 33.00299, 20],
          城固县: [107.33367, 33.15661, 20],
          洋县: [107.545837, 33.222739, 20],
          西乡县: [107.76867, 32.98411, 20],
          镇巴县: [107.89648, 32.53487, 20],
          勉县: [106.673221, 33.153553, 20],
          留坝县: [106.92233, 33.61606, 20],
          佛坪县: [107.98974, 33.52496, 20],
          宁强县: [106.25958, 32.82881, 20],
          略阳县: [106.15399, 33.33009, 20],
        };
        this.options = {
          showLegendSymbol: true,
          tooltip: {
            trigger: "item",
            textStyle: {
              fontSize: 14,
              lineHeight: 22,
            },
            position: (point) => {
              // 固定在顶部
              return [point[0] + 50, point[1] - 20];
            },
            // 如果需要自定义 tooltip样式，需要使用formatter
            formatter: (params) => {
              return `<div style="">${params.name}:${
                params.value + "个"
              }</div>`;
            },
          },
          visualMap: {
            min: 0,
            max: _this.max,
            bottom: "13%",
            left: 50,
            splitNumber: 6,
            seriesIndex: [0],
            itemWidth: 20, // 每个图元的宽度
            itemGap: 2, // 每两个图元之间的间隔距离，单位为px
            pieces: [
              // 自定义每一段的范围，以及每一段的文字
              { gte: 100, label: "100以上", color: "#035cf5" }, // 不指定 max，表示 max 为无限大（Infinity）。
              { gte: 50, lte: 6000, label: "20-100", color: "#3375e4" },
              { gte: 20, lte: 2000, label: "1-200", color: "#6797ef" },
              { gte: 1, lte: 1000, label: "1-20", color: "#96b5ef" },
            ],
            textStyle: {
              color: "#737373",
            },
          },
          geo: {
            aspectScale: 1, //长宽比
            zoom: 1.1,
            mapType: "", // 自定义扩展图表类型
            top: "15%",
            left: "10%",
            map: "汉中市",
            itemStyle: {
              normal: {
                //阴影
                areaColor: "#5689FD ",
                shadowColor: "#21371d",
                borderWidth: 0,
                shadowOffsetX: 2,
                shadowOffsetY: 25,
              },
            },
          },
          series: [
            {
              type: "map",
              aspectScale: 1, //长宽比
              zoom: 1.1,
              mapType: "汉中市", // 自定义扩展图表类型
              top: "15%",
              left: "10%",
              itemStyle: {
                normal: {
                  areaColor: "rgba(19,54,162,.5)",
                  borderColor: "rgba(0,242,252,.5)",
                  borderWidth: 2,
                  shadowBlur: 1,
                  borderColor: "rgb(155, 200, 200)",
                  shadowColor: "#44f2fc",
                },
              },
              label: {
                formatter: (params) => {
                  return `${params.name}\n${params.value + "个"}`;
                },
                show: true,
                position: "insideRight",
                textStyle: {
                  fontSize: 14,
                  color: "#efefef",
                },
                emphasis: {
                  textStyle: {
                    color: "#fff",
                  },
                },
              },
              data: newData,
            },
          ],
        };
        // 重新选择区域
        this.handleMapRandomSelect();
      },

      immediate: true,
      deep: true,
    },
  },
  computed: {
    ...mapGetters(["sidebar", "dicData"]),
    logoName() {
      return (
        this.dicData["sysCode"] &&
        this.dicData["sysCode"].filter((item) => item.DCODE == "areaMap")
      );
    },
  },
  methods: {
    // 根据行政区代码匹配行政区
    getDistrictcode() {
      console.log("this.logoName.DNAME", this.logoName.DNAME);
      if ((this.logoName.DNAME = "map610700")) {
        this.mapjson = "hanzhong";
      require(`@/common/map/${this.mapjson}.js`);
      }
    },
    // 开启定时器
    startInterval() {
      const _self = this;
      // 应通过接口获取配置时间，暂时写死5s
      const time = 2000;
      if (this.intervalId !== null) {
        clearInterval(this.intervalId);
      }
      this.intervalId = setInterval(() => {
        this.$refs.centreLeft2ChartRef && _self.reSelectMapRandomArea();
      }, time);
    },
    // 重新随机选中地图区域
    reSelectMapRandomArea() {
      const length = 9;
      this.$nextTick(() => {
        try {
          const map = this.$refs.centreLeft2ChartRef.chart;
          let index = Math.floor(Math.random() * length);
          while (index === this.preSelectMapIndex || index >= length) {
            index = Math.floor(Math.random() * length);
          }
          map.dispatchAction({
            type: "mapUnSelect",
            seriesIndex: 0,
            dataIndex: this.preSelectMapIndex,
          });
          map.dispatchAction({
            type: "showTip",
            seriesIndex: 0,
            dataIndex: index,
          });
          map.dispatchAction({
            type: "mapSelect",
            seriesIndex: 0,
            dataIndex: index,
          });
          this.preSelectMapIndex = index;
        } catch (error) {
          console.log(error);
        }
      });
    },
    handleMapRandomSelect() {
      this.$nextTick(() => {
        try {
          const map = this.$refs.centreLeft2ChartRef.chart;
          const _self = this;
          setTimeout(() => {
            _self.reSelectMapRandomArea();
          }, 0);
          // 移入区域，清除定时器、取消之前选中并选中当前
          map.on("mouseover", function (params) {
            clearInterval(_self.intervalId);
            map.dispatchAction({
              type: "mapUnSelect",
              seriesIndex: 0,
              dataIndex: _self.preSelectMapIndex,
            });
            map.dispatchAction({
              type: "mapSelect",
              seriesIndex: 0,
              dataIndex: params.dataIndex,
            });
            _self.preSelectMapIndex = params.dataIndex;
          });
          // 移出区域重新随机选中地图区域，并开启定时器
          map.on("globalout", function () {
            _self.reSelectMapRandomArea();
            _self.startInterval();
          });
          this.startInterval();
        } catch (error) {
          console.log(error);
        }
      });
    },
  },
};
</script>
<style></style>