package com.doumee.core.tsp;
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import com.alibaba.fastjson.JSONArray;
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import com.alibaba.fastjson.JSONObject;
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import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
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import com.doumee.core.utils.Constants;
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import com.doumee.core.utils.HttpsUtil;
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import com.doumee.dao.business.model.JkCustomer;
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import com.doumee.dao.business.model.JkSketchCustomer;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.lang3.StringUtils;
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import java.math.BigDecimal;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Date;
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@Slf4j
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public class DistanceCalculator {
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private static final double EARTH_RADIUS = 6371.0; // 地球半径（单位：公里）
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public static void main(String[] args) {
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//118.363428,31.326485
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//118.363312,31.326638
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System.out.println(calculateDistance(39.326638d,116.363312d,31.326606,118.363272));
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}
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public static DistanceCustomerModel calculateDistanceGaode(String urlStr, JkCustomer c1, JkCustomer c2) {
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DistanceCustomerModel r =new DistanceCustomerModel();
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r.setStart(c1);
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r.setEnd(c2);
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r.setDistance(0);
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r.setCode(0);
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r.setLocations( new ArrayList<>());
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try {
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String url =urlStr.replace("${lat1}", Constants.formatBigdecimalScale(c1.getLatitude(),6)+"")
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.replace("${lat2}",Constants.formatBigdecimalScale(c2.getLatitude(),6)+"")
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.replace("${long1}",Constants.formatBigdecimalScale(c1.getLongitude(),6)+"")
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.replace("${long2}",Constants.formatBigdecimalScale(c2.getLongitude(),6)+"");
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String result = HttpsUtil.get(url ,true);
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JSONObject json = JSONObject.parseObject(result);
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if(json!=null
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&& json.getInteger("status")!=null
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&& json.getInteger("status") ==1
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&& json.getJSONObject("route")!=null
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&& json.getJSONObject("route").getJSONArray("paths") !=null
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&& json.getJSONObject("route").getJSONArray("paths") .size()>0 ){
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JSONArray array = json.getJSONObject("route").getJSONArray("paths");
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JSONObject model = array.getJSONObject(0);//取第一个
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Long distance = Long.parseLong(model.getString("distance"));
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r.setDistance(distance);
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JSONArray steps = model.getJSONArray("steps");
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String tl = "";
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if(steps!=null && steps.size()>0){
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for (int i = 0; i < steps.size(); i++) {
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if(StringUtils.isBlank(steps.getJSONObject(i).getString("polyline" ))){
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continue;
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}
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if(!tl.equals("") &&!tl.endsWith(";")){
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tl += ";";
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}
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tl+= steps.getJSONObject(i).getString("polyline" );
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}
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}
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r.setPolyline(tl);
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r.setLocations(Arrays.asList(tl.split(";")));
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r.setCode(1);
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log.error("获取交通规划线路信息成功==============");
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}else{
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log.error("获取交通规划线路信息成功=====失败！！=========");
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}
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}catch (Exception e){
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log.error("获取交通规划线路信息成功=====失败==========");
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}
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return r ;
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}
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public static DistanceModel calculateDistanceGaode(String urlStr, JkSketchCustomer c1, JkSketchCustomer c2) {
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DistanceModel r =new DistanceModel();
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r.setStart(c1);
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r.setEnd(c2);
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r.setDistance(0);
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r.setCode(0);
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r.setLocations( new ArrayList<>());
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try {
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String url =urlStr.replace("${lat1}", Constants.formatBigdecimalScale(c1.getLatitude(),6)+"")
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.replace("${lat2}",Constants.formatBigdecimalScale(c2.getLatitude(),6)+"")
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.replace("${long1}",Constants.formatBigdecimalScale(c1.getLongitude(),6)+"")
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.replace("${long2}",Constants.formatBigdecimalScale(c2.getLongitude(),6)+"");
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String result = HttpsUtil.get(url ,true);
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JSONObject json = JSONObject.parseObject(result);
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if(json!=null
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&& json.getInteger("status")!=null
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&& json.getInteger("status") ==1
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&& json.getJSONObject("route")!=null
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&& json.getJSONObject("route").getJSONArray("paths") !=null
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&& json.getJSONObject("route").getJSONArray("paths") .size()>0 ){
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JSONArray array = json.getJSONObject("route").getJSONArray("paths");
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JSONObject model = array.getJSONObject(0);//取第一个
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Long distance = Long.parseLong(model.getString("distance"));
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r.setDistance(distance);
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JSONArray steps = model.getJSONArray("steps");
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String tl = "";
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if(steps!=null && steps.size()>0){
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for (int i = 0; i < steps.size(); i++) {
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if(StringUtils.isBlank(steps.getJSONObject(i).getString("polyline" ))){
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continue;
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}
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if(!tl.equals("") &&!tl.endsWith(";")){
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tl += ";";
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}
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tl+= steps.getJSONObject(i).getString("polyline" );
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}
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}
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r.setPolyline(tl);
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r.setLocations(Arrays.asList(tl.split(";")));
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r.setCode(1);
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log.error("获取交通规划线路信息成功==============");
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}else{
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log.error("获取交通规划线路信息成功=====失败！！=========");
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}
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}catch (Exception e){
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log.error("获取交通规划线路信息成功=====失败==========");
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}
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return r ;
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}
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private BigDecimal getDecimalByVal(String val) {
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try {
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return new BigDecimal(val);
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}catch (Exception e){
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}
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return null;
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}
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public static long calculateDistance (double lat1, double lon1, double lat2, double lon2) {
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double dLat = Math.toRadians(lat2 - lat1);
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double dLon = Math.toRadians(lon2 - lon1);
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double a = Math.sin(dLat / 2) * Math.sin(dLat / 2) +
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Math.cos(Math.toRadians(lat1)) * Math.cos(Math.toRadians(lat2)) *
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Math.sin(dLon / 2) * Math.sin(dLon / 2);
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double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
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return (long) (EARTH_RADIUS * c * 1000);
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}
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}
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