<template>
  <view class="map-container">
    <!-- 背景保护层 -->
    <view class="map-background"></view>
    <view id="mapWrapper" ref="mapRef" class="map-wrapper"></view>
    <!-- 加载提示 -->
    <view v-if="loading" class="loading-mask">
      <view class="loading-content">地图加载中...</view>
    </view>
  </view>
</template>

<script>
export default {
  data() {
    return {
      loading: true
    }
  },
  methods: {
    hideLoading() {
      this.loading = false
    }
  }
}
</script>

<script module="amap" lang="renderjs">
export default {
  data() {
    return {
      markers: [],
      customPopup: null
    }
  },
  mounted() {
    // 初始设置背景色
    const container = document.getElementById('mapWrapper')
    container.style.backgroundColor = '#121212'
    container.style.transition = 'background 0.5s'
    
    this.initMap()
  },
  methods: {
    async loadScript(url) {
      return new Promise((resolve) => {
        const script = document.createElement('script')
        script.src = url
        script.onload = resolve
        document.head.appendChild(script)
      })
    },

    async initMap() {
      try {
        // 动态加载SDK
        if (!window.AMap) {
          await this.loadScript(
            'https://webapi.amap.com/maps?v=2.0&key=90bc158992feb8ccd0145e168cab1307'
          )
        }

        const container = document.getElementById('mapWrapper')
        container.innerHTML = `
          <div id="amapContainer" style="
            width:100%;
            height:100%;
            opacity:0;
            transition:opacity 0.8s ease-out;
            background:#121212;
          "></div>
        `

        // 初始化地图
        this.map = new AMap.Map('amapContainer', {
          viewMode: '3D',
          zoom: 13,
          center: [114.305, 30.592],
          mapStyle: 'amap://styles/grey'
        })

        // 地图加载完成后淡入
        this.map.on('complete', () => {
          document.getElementById('amapContainer').style.opacity = 1
          this.$ownerInstance.callMethod('hideLoading')
          
          // 添加标记点
          const wuhanPoints = [
            { lnglat: [114.404, 30.507], name: "华中科技大学" },
            { lnglat: [114.428, 30.476], name: "光谷金融港" },
            { lnglat: [114.433, 30.504], name: "武汉东站" }
          ]
          wuhanPoints.forEach(point => {
            this.addMarker(point.lnglat, point.name)
          })
        })

        // 创建自定义弹窗
        this.createCustomPopup()

      } catch (e) {
        console.error('初始化失败:', e)
        this.$ownerInstance.callMethod('hideLoading')
      }
    },

    createCustomPopup() {
      this.customPopup = document.createElement('div')
      this.customPopup.className = 'custom-map-popup'
      this.customPopup.innerHTML = `
        <div class="popup-content">
          <div class="popup-title"></div>
        </div>
      `
      this.customPopup.style.display = 'none'
      document.getElementById('amapContainer').appendChild(this.customPopup)
    },

    addMarker(position, title) {
      const marker = new AMap.Marker({
        position: new AMap.LngLat(...position),
        map: this.map,
        icon: 'https://webapi.amap.com/theme/v1.3/markers/n/mark_b.png',
      })
      
      marker.on('click', () => {
        this.showCustomPopup(position, title)
      })
      
      this.markers.push(marker)
      return marker
    },

    showCustomPopup(position, title) {
      const pixel = this.map.lngLatToContainer(position)
      this.customPopup.querySelector('.popup-title').textContent = title
      this.customPopup.style.display = 'block'
      this.customPopup.style.left = `${pixel.x}px`
      this.customPopup.style.top = `${pixel.y}px`
      
      this.map.on('click', this.hideCustomPopup)
    },

    hideCustomPopup() {
      if (this.customPopup) {
        this.customPopup.style.display = 'none'
      }
      this.map.off('click', this.hideCustomPopup)
    }
  }
}
</script>

<style>
/* 基础样式 */
.map-container {
  width: 100%;
  height: 100vh;
  position: relative;
  overflow: hidden;
}

.map-background {
  position: absolute;
  width: 100%;
  height: 100%;
  background: #121212;
  z-index: 1;
}

.map-wrapper {
  width: 100%;
  height: 100%;
  position: relative;
  z-index: 2;
}

/* 加载提示 */
.loading-mask {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #121212;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 999;
}

.loading-content {
  color: rgba(255,255,255,0.9);
  font-size: 16px;
  padding: 12px 24px;
  background: rgba(0,0,0,0.7);
  border-radius: 8px;
}

/* 弹窗样式 */
.custom-map-popup {
  position: absolute;
  z-index: 9999;
  transform: translate(-50%, -100%);
  min-width: 200rpx;
  pointer-events: none;
  animation: popupFadeIn 0.3s ease-out;
}

.popup-content {
  background: rgba(18,45,74,0.95);
  border-radius: 16rpx;
  padding: 12rpx 24rpx;
  color: #fff;
  font-size: 14px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  border: 1px solid rgba(255,255,255,0.1);
}

.popup-content:after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  border-width: 8px 8px 0;
  border-style: solid;
  border-color: rgba(18,45,74,0.95) transparent transparent;
}

@keyframes popupFadeIn {
  from { opacity: 0; transform: translate(-50%, -90%); }
  to { opacity: 1; transform: translate(-50%, -100%); }
}
</style>