mini-programs/src/components/MapDisplay/mapService.ts

// 腾讯地图SDK服务
import QQMapWX from "qqmap-wx-jssdk";
import Taro from '@tarojs/taro';

// 扩展Window接口，添加qqmapsdk属性
declare global {
  interface Window {
    qqmapsdk?: any;
  }
}

export interface LocationInfo {
  lat: number
  lng: number
  address?: string
}

export interface SearchResult {
  id: string
  title: string
  address: string
  location: {
    lat: number
    lng: number
  }
}

export interface SearchOptions {
  keyword: string
  location?: string
  page_size?: number
  page_index?: number
}

class MapService {
  private qqmapsdk: any = null
  private isInitialized = false

  // 初始化腾讯地图SDK
  async initSDK(): Promise<boolean> {
    if (this.isInitialized) {
      return true
    }

    try {
      // 直接使用QQMapWX，不需要通过window对象
      this.qqmapsdk = new QQMapWX({
        key: 'AZNBZ-VCSC4-MLVUF-KBASD-6GZ6H-KBFTX'
      });
      
      this.isInitialized = true
      console.log('腾讯地图SDK初始化成功')
      return true
    } catch (error) {
      console.error('初始化腾讯地图SDK失败:', error)
      return false
    }
  }

  // 搜索地点
  async search(options: SearchOptions): Promise<SearchResult[]> {
    if (!this.isInitialized) {
      await this.initSDK()
    }

    try {
        console.log(this.qqmapsdk,11)
      if (this.qqmapsdk && this.qqmapsdk.search) {
        return new Promise((resolve, reject) => {
          this.qqmapsdk.getSuggestion({
            keyword: options.keyword,
            location: options.location || '39.908802,116.397502', // 默认北京
            page_size: options.page_size || 20,
            page_index: options.page_index || 1,
            success: (res: any) => {
              console.log('搜索成功:', res)
              if (res.data && res.data.length > 0) {
                const results: SearchResult[] = res.data.map((item: any, index: number) => ({
                  id: `search_${index}`,
                  title: item.title || item.name || '未知地点',
                  address: item.address || item.location || '地址未知',
                  location: {
                    lat: item.location?.lat || 0,
                    lng: item.location?.lng || 0
                  }
                }))
                resolve(results)
              } else {
                resolve([])
              }
            },
            fail: (err: any) => {
              console.error('搜索失败:', err)
              reject(err)
            }
          })
        })
      } else {
        // 使用模拟数据
        console.log('使用模拟搜索数据')
        return this.getMockSearchResults(options.keyword)
      }
    } catch (error) {
      console.error('搜索异常:', error)
      return this.getMockSearchResults(options.keyword)
    }
  }

  // 获取模拟搜索结果
  private getMockSearchResults(keyword: string): SearchResult[] {
    const mockResults: SearchResult[] = [
      {
        id: 'mock_1',
        title: `${keyword}相关地点1`,
        address: '模拟地址1 - 这是一个示例地址',
        location: { lat: 39.908802, lng: 116.397502 }
      },
      {
        id: 'mock_2',
        title: `${keyword}相关地点2`,
        address: '模拟地址2 - 这是另一个示例地址',
        location: { lat: 39.918802, lng: 116.407502 }
      },
      {
        id: 'mock_3',
        title: `${keyword}相关地点3`,
        address: '模拟地址3 - 第三个示例地址',
        location: { lat: 39.898802, lng: 116.387502 }
      }
    ]
    return mockResults
  }

  // 获取当前位置
  async getCurrentLocation(): Promise<{ lat: number; lng: number } | null> {
    try {
      // 这里可以集成实际的定位服务
      // 暂时返回模拟位置
      const res = await Taro.getLocation({
        type: 'gcj02',
        isHighAccuracy: true
      })
      return {
        lat: res.latitude,
        lng: res.longitude
      }
    } catch (error) {
      console.error('获取位置失败:', error)
      return null
    }
  }
  async getAddress(lat: number, lng: number): Promise<string | null | undefined> {
    try {
        const addressRes: any = await new Promise((resolve, reject) => {
            this.qqmapsdk.reverseGeocoder({
                location: {
                latitude: lat,
                longitude: lng
                },
                success: resolve,
                fail: reject
            })
        })
        return addressRes?.results?.address
    } catch (error) {
        console.error('获取地址失败:', error)
    }
  }
  async getLocation(): Promise<{ lat: number; lng: number; address: string } | null | undefined> {
    try {
        const currentInfo: any = {};
        const location = await this.getCurrentLocation();
        const { lat, lng } =  location || {};

        if (lat && lng) {
            currentInfo.lat = lat;
            currentInfo.lng = lng;
            const addressRes = await this.getAddress(lat, lng)
            if (addressRes) {
                currentInfo.address = addressRes;
            }
        }
        return currentInfo;
    } catch (error) {
        console.error('获取位置失败:', error)
    }
  }
}

export const mapService = new MapService()