<template>
  <div id="streetscape"></div>
  <div class="carouselClas">
    <el-carousel type="card" style="z-index: 999" height="150px" motion-blur>
      <el-carousel-item v-for="item in AllData.poiImages" :key="item" @click="selectPoiImgUrl(item)" style="height: 150px">
        <el-image :src="item.imagesUrl" style="width: 100%; height: 150px" />
      </el-carousel-item>
    </el-carousel>
  </div>
</template>

<script setup name="streetscape">
  import {ref, reactive, toRefs, onMounted, nextTick, defineProps, watch} from 'vue';
import bus from '@/bus';
import request from '@/utils/request';
  import axios from "axios";
const props = defineProps({
  // 数据id
  location: {
    type: Array,
    default: () => [114.45370037156442, 30.525710664701975],
  },
});
const { proxy } = getCurrentInstance();
const AllData = reactive({
  panorama: null,
  poiCircle: null,
  poiImages: [],
  poiData: [],
});
// 初始化街景地图
const initePanoramaMap = () => {
  AllData.panorama = BMapGL.Panorama('streetscape');
  AllData.panorama.setPov({
    // 修改全景的视角
    pitch: 10,
    heading: 0,
  });
  AllData.panorama.setOptions({
    linksControl: true, // 隐藏道路指示控件，默认true
    navigationControl: true, // 隐藏导航控件，默认true
  });
};
//根据中心点查找poi
const searchPoiByLonlat = async () => {
  AllData.poiImages = [];
  let poiData = await axios({
    url: `/bdApi/baiduservice/placeSearch`,
    method: 'GET',
    params: {
      location: `${AllData.poiCircle[1]},${AllData.poiCircle[0]}`,
      radius: 1000,
      query: '公交站$商场$著名景点$学校',
    },
  });
  if (poiData && poiData.data.length) {
    AllData.poiData = poiData.data;
    getStreetImg();
  }
};
const a = ref('');
//获取全景静态图
const getStreetImg = async () => {
  AllData.poiImages = [];
  console.log('AllData.poiData---', AllData.poiData);
  AllData.poiData.forEach(async element => {
    let data = await request({
      url: `/bdApi//baiduservice/panorama`,
      method: 'GET',
      params: {
        location: `${element.location.lng},${element.location.lat}`,
        fov: 180,
        height: 256,
        width: 512,
      },
    });
    if (data && data.data && data.data.status == 200) {
      data.data.base64 = 'data:image/jpeg;base64,' + data.data.base64;
      AllData.poiImages.push({
        name: element.name,
        lonlat: [element.location.lng, element.location.lat],
        imagesUrl: data.data.base64,
      });
    }
  });
  console.log('AllData.poiImages---', AllData.poiImages);
};

// 全局事件监听
const showAllStreet = e => {
  console.log('streetPosition---', e);
  let position_Street = turf.point(e);
  gcoord.transform(position_Street, gcoord.WGS84, gcoord.BD09);
  AllData.poiCircle = position_Street.geometry.coordinates;
  console.log('🚀 ~ showAllStreet ~ AllData.poiCircle:', AllData.poiCircle);
  setTimeout(() => {
    AllData.panorama.setPosition(
      new BMapGL.Point(position_Street.geometry.coordinates[0], position_Street.geometry.coordinates[1])
    );
  }, 2000);

  searchPoiByLonlat();
  gcoord.transform(position_Street, gcoord.BD09, gcoord.WGS84);
};
//轮播图点击事件
const selectPoiImgUrl = item => {
  AllData.panorama.setPosition(new BMapGL.Point(item.lonlat[0], item.lonlat[1]));
};

watch(() => props.location, (newV) => newV.length && showAllStreet(newV));

onMounted(() => {
  initePanoramaMap();
  if(props.location.length) showAllStreet(props.location);
});
onBeforeUnmount(() => {
});
</script>

<style lang="scss" scoped>
#streetscape {
  width: 100%;
  height: 100%;
  // background: red;
}
.carouselClas {
  display:none;
  width: 50%;
  height: 150px;
  // background: red;
  position: absolute;
  bottom: 25px;
  left: 25%;

  .el-carousel__container {
    height: 150px;
  }
}
</style>