<template>
  <div class="cpt-select">
    <div class="select_box" :class="isFind ? 'active' : ''">
      <el-tooltip class="item" effect="light" content="搜索" placement="top-start">
        <span class="iconfont icon-sousuo cf" @click.stop="isFind = !isFind"></span>
      </el-tooltip>
      <el-autocomplete
        v-if="isFind"
        popper-class="search"
        :popper-append-to-body="false"
        class="autocomplete"
        v-model="destination.name"
        :fetch-suggestions="handle_query_address_async"
        placeholder="请输入目标位置"
        :trigger-on-focus="false"
        @select="handle_select_address"
        clearable
      >
        <template slot-scope="{ item }">
          <div>
            <span style="font-size: 14px; color: #fff">
              {{
              item.name
              }}
            </span>
            <span style="font-size: 12px; color: #999; margin-left: 12px">{{ item.address }}</span>
          </div>
        </template>
      </el-autocomplete>
    </div>
  </div>
</template>

<script>
import { Map } from "../../api";
import { Utils } from "../../lib/cesium";
import { mapState } from "vuex";
import pngLocation from "./assets/images/location.png";

let handler = null;
let data_srouce = null;
let location_icon = null;
export default {
  components: {},
  props: {
    data: {
      type: Object,
      default: () => ({}),
    },
  },
  data() {
    return {
      isFind: false,
      input: "",
      destination: {
        name: "",
        lng: 0,
        lat: 0,
      },
    };
  },
  computed: {
    ...mapState("MMCFlightControlCenter", ["cesiumViewer"]),
  },
  mounted() {
    // 控制重要元素下拉菜单隐藏
    document.addEventListener("click", (e) => {
      const iconEl = document.querySelector(".cpt-select"); // 这里是要隐藏的弹窗 类名
      if (iconEl && !iconEl.contains(e.target)) {
        // contains 方法 就是查看包含关系
        // contains 方法 本身含义：用于判断字符串中是否包含指定的字符或字符串
        // 返回值 :如果包含指定的字符或字符串返回 true，否则返回 false。
        this.isFind = false;
      }
    });
  },
  destroyed() {
  },
  methods: {
    handle_query_address_async(address, cb) {
      Map.Geo({
        keyWord: address,
        level: 12,
        // specify: "156320900",
        mapBound: "-180,-90,180,90",
        queryType: 1,
        start: 0,
        count: 10,
      })
        .then((res) => {
          cb(res.data.data.rows);
        })
        .catch((e) => cb([]));
    },
    handle_select_address(item) {
      if (item) {
        let location = item.lonlat.split(",");
        this.destination.name = item.name;
        this.destination.lng = Number(location[0]);
        this.destination.lat = Number(location[1]);

        let viewer = this.cesiumViewer;
        let potiion = Utils.transformWGS842Cartesian({
          lng: this.destination.lng,
          lat: this.destination.lat,
          alt: 1000,
        });
        viewer.camera.flyTo({
          destination: potiion,
        });
        this.init_location_icon(potiion);
      }
    },
    init_location_icon(position) {
      let viewer = this.cesiumViewer;

      if (location_icon) {
        // location_icon.position = position;
        viewer.entities.remove(location_icon);
        location_icon = null;
      }
      // else {
      location_icon = viewer.entities.add({
        position: Cesium.Cartesian3.fromDegrees(
          Number(this.destination.lng),
          Number(this.destination.lat)
        ),
        billboard: {
          width: 36,
          height: 36,
          image: pngLocation,
          // horizontalOrigin: Cesium.HorizontalOrigin.CENTER,
          // verticalOrigin: Cesium.VerticalOrigin.Bottom,
          // heightReference: Cesium.HeightReference.CLAMP_TO_GROUND,
          distanceDisplayCondition: new Cesium.DistanceDisplayCondition(0),
          disableDepthTestDistance: Number.POSITIVE_INFINITY,
        },
      });
      viewer.camera.moveEnd.addEventListener(() => {
        console.log(this.destination.lng);
        location_icon.potiion = Cesium.Cartesian3.fromDegrees(
          Number(this.destination.lng),
          Number(this.destination.lat)
        );
      });
      // }
    },
    destroy_location_icon() {
      if (!location_icon) {
        return location_icon;
      }
      let viewer = this.cesiumViewer;
      viewer.entities.remove(location_icon);
      location_icon = null;
    },
  },
  
};
</script>

<style lang="scss" scoped>
.cpt-select::v-deep {
  text-align: right;

  .el-autocomplete-suggestion li:hover {
    background-color: #a1b9ee;
  }
  color: #fff;
  .select_box {
    display: flex;
    align-content: center;
    position: relative;
    width: 48px;
    height: 48px;
    color: #fff;
    border-radius: 2px;
    text-align: center;
    line-height: 48px;
    cursor: pointer;

    &.active {
      width: 412px;
      text-align: left;
      box-sizing: border-box;
      color: #5baad4;
      padding-left: 10px;
      padding-right: 10px;
      height: 50.4px;
      background: rgba(22, 29, 45, 0.58);
    }

    .autocomplete {
      flex: 1;
    }
  }
}

.icon-sousuo {
  display: inline-block;
  width: 48px;
  height: 48px;
  cursor: pointer;
  z-index: 1;

  &::before {
    font-size: 24px;
    content: "\e6d5";
    color: #fff;
  }
}

.el-input__inner::v-deep {
  padding-right: 30px;
  width: 359px !important;
  font-family: MicrosoftYaHei;
  font-size: 16px;
  color: #5baad4;
  letter-spacing: 0;
  text-align: left;
  font-weight: 400;
  background: transparent !important;
  border: 0;
}

.el-form-item::v-deep {
}

input::v-deep {
  font-family: MicrosoftYaHei;
  font-size: 16px;
  color: #5baad4 !important;
  letter-spacing: 0;
  text-align: center;
  font-weight: 400;
}

::v-deep {
  .el-scrollbar {
    .el-autocomplete-suggestion li:hover {
      background-color: #34466e !important;
    }
  }
}
.search {
  .el-scrollbar {
    .el-autocomplete-suggestion li:hover {
      background-color: #34466e !important;
    }
  }
}
</style>