package com.doumee.core.utils.Tencent;
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import com.alibaba.fastjson.JSONArray;
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import com.alibaba.fastjson.JSONObject;
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import com.doumee.core.utils.Http;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.stereotype.Component;
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import java.io.IOException;
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import java.net.URLEncoder;
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import java.util.Arrays;
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import java.util.List;
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import java.util.stream.Collectors;
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/**
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* 腾讯地图工具类
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*
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* @Author : Rk
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* @create 2026/4/14 15:58
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*/
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@Slf4j
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@Component
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public class MapUtil {
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private static String tencentKey;
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/** 距离矩阵API */
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public static final String MATRIX_URL = "https://apis.map.qq.com/ws/distance/v1/matrix";
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/** 支持的模式 */
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private static final List<String> SUPPORTED_MODES = Arrays.asList("driving", "bicycling");
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@Value("${tencent_key}")
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public void setTencentKey(String tencentKey) {
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MapUtil.tencentKey = tencentKey;
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}
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/**
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* 批量距离矩阵计算
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*
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* @param mode 模式：driving(驾车)、bicycling(自行车)
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* @param fromPoints 起点列表，格式：lat,lng（最多10个）
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* @param toPoints 终点列表，格式：lat,lng（最多20个）
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* @return result.rows 矩阵数据，每个元素包含 distance(米) 和 duration(秒)
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*/
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public static JSONObject distanceMatrix(String mode, List<String> fromPoints, List<String> toPoints) {
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if (!SUPPORTED_MODES.contains(mode)) {
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throw new IllegalArgumentException("不支持的模式: " + mode + "，仅支持: " + SUPPORTED_MODES);
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}
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if (fromPoints == null || fromPoints.isEmpty() || toPoints == null || toPoints.isEmpty()) {
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throw new IllegalArgumentException("起点和终点列表不能为空");
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}
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String from = String.join(";", fromPoints);
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String to = String.join(";", toPoints);
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try {
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String url = MATRIX_URL
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+ "?key=" + tencentKey
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+ "&mode=" + mode
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+ "&from=" + URLEncoder.encode(from, "UTF-8")
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+ "&to=" + URLEncoder.encode(to, "UTF-8");
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log.info("腾讯地图矩阵API请求: mode={}, from={}, to={}", mode, from, to);
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JSONObject json = new Http().build(url)
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.setConnectTimeout(5000)
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.setReadTimeout(10000)
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.get()
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.toJSONObject();
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log.info("腾讯地图矩阵API响应: {}", json);
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if (json.getIntValue("status") != 0) {
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throw new RuntimeException("腾讯地图矩阵API调用失败: " + json.getString("message"));
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}
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return json.getJSONObject("result");
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} catch (IOException e) {
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log.error("腾讯地图矩阵API调用异常", e);
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throw new RuntimeException("腾讯地图矩阵API调用异常", e);
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}
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}
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/**
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* 单对距离计算（便捷方法）
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*
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* @param mode 模式：driving(驾车)、bicycling(自行车)
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* @param from 起点格式：lat,lng
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* @param to 终点格式：lat,lng
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* @return 第一个元素的 distance(米) 和 duration(秒)
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*/
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public static JSONObject distanceSingle(String mode, String from, String to) {
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JSONObject result = distanceMatrix(mode,
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Arrays.asList(from),
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Arrays.asList(to));
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JSONArray rows = result.getJSONArray("rows");
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if (rows != null && !rows.isEmpty()) {
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JSONArray elements = rows.getJSONObject(0).getJSONArray("elements");
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if (elements != null && !elements.isEmpty()) {
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return elements.getJSONObject(0);
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}
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}
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return new JSONObject();
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}
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/**
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* 多起点到单终点（便捷方法）
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* 返回每个起点到终点的距离和耗时，顺序与fromPoints对应
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*
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* @param mode 模式
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* @param fromPoints 起点列表
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* @param to 单个终点
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* @return 距离耗时列表，顺序与fromPoints对应
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*/
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public static List<JSONObject> distanceToOne(String mode, List<String> fromPoints, String to) {
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JSONObject result = distanceMatrix(mode, fromPoints, Arrays.asList(to));
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JSONArray rows = result.getJSONArray("rows");
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return rows == null ? Arrays.asList() : rows.stream()
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.map(row -> ((JSONObject) row).getJSONArray("elements").getJSONObject(0))
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.collect(Collectors.toList());
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}
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}
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