package com.doumee.core.tsp;

import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.doumee.core.utils.Constants;
import com.doumee.core.utils.HttpsUtil;
import com.doumee.dao.business.model.JkCustomer;
import com.doumee.dao.business.model.JkSketchCustomer;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;

import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Date;

@Slf4j
public class DistanceCalculator {
    private static final double EARTH_RADIUS = 6371.0; // 地球半径（单位：公里）

    public static void main(String[] args) {
        //118.363428,31.326485
        //118.363312,31.326638
        System.out.println(calculateDistance(39.326638d,116.363312d,31.326606,118.363272));
    }

    public static DistanceCustomerModel calculateDistanceGaode(String urlStr, JkCustomer c1, JkCustomer c2) {
        DistanceCustomerModel r =new DistanceCustomerModel();
        r.setStart(c1);
        r.setEnd(c2);
        r.setDistance(0);
        r.setCode(0);
        r.setLocations( new ArrayList<>());
        try {
            String url  =urlStr.replace("${lat1}", Constants.formatBigdecimalScale(c1.getLatitude(),6)+"")
                    .replace("${lat2}",Constants.formatBigdecimalScale(c2.getLatitude(),6)+"")
                    .replace("${long1}",Constants.formatBigdecimalScale(c1.getLongitude(),6)+"")
                    .replace("${long2}",Constants.formatBigdecimalScale(c2.getLongitude(),6)+"");
            String result = HttpsUtil.get(url ,true);
            JSONObject json = JSONObject.parseObject(result);
            if(json!=null
                    && json.getInteger("status")!=null
                    && json.getInteger("status") ==1
                    && json.getJSONObject("route")!=null
                    && json.getJSONObject("route").getJSONArray("paths") !=null
                    && json.getJSONObject("route").getJSONArray("paths") .size()>0 ){
                JSONArray array = json.getJSONObject("route").getJSONArray("paths");
                JSONObject model = array.getJSONObject(0);//取第一个
               Long distance = Long.parseLong(model.getString("distance"));
               r.setDistance(distance);
               JSONArray steps = model.getJSONArray("steps");
               String tl = "";
               if(steps!=null && steps.size()>0){
                   for (int i = 0; i < steps.size(); i++) {
                       if(StringUtils.isBlank(steps.getJSONObject(i).getString("polyline" ))){
                           continue;
                       }
                       if(!tl.equals("") &&!tl.endsWith(";")){
                           tl += ";";
                       }
                       tl+= steps.getJSONObject(i).getString("polyline" );
                   }
               }
               r.setPolyline(tl);
               r.setLocations(Arrays.asList(tl.split(";")));
               r.setCode(1);
               log.error("获取交通规划线路信息成功==============");
            }else{
                log.error("获取交通规划线路信息成功=====失败！！=========");
            }
        }catch (Exception e){
            log.error("获取交通规划线路信息成功=====失败==========");
        }

        return r ;
    }
    public static DistanceModel calculateDistanceGaode(String urlStr, JkSketchCustomer c1, JkSketchCustomer c2) {
        DistanceModel r =new DistanceModel();
        r.setStart(c1);
        r.setEnd(c2);
        r.setDistance(0);
        r.setCode(0);
        r.setLocations( new ArrayList<>());
        try {
            String url  =urlStr.replace("${lat1}", Constants.formatBigdecimalScale(c1.getLatitude(),6)+"")
                    .replace("${lat2}",Constants.formatBigdecimalScale(c2.getLatitude(),6)+"")
                    .replace("${long1}",Constants.formatBigdecimalScale(c1.getLongitude(),6)+"")
                    .replace("${long2}",Constants.formatBigdecimalScale(c2.getLongitude(),6)+"");
            String result = HttpsUtil.get(url ,true);
            JSONObject json = JSONObject.parseObject(result);
            if(json!=null
                    && json.getInteger("status")!=null
                    && json.getInteger("status") ==1
                    && json.getJSONObject("route")!=null
                    && json.getJSONObject("route").getJSONArray("paths") !=null
                    && json.getJSONObject("route").getJSONArray("paths") .size()>0 ){
                JSONArray array = json.getJSONObject("route").getJSONArray("paths");
                JSONObject model = array.getJSONObject(0);//取第一个
               Long distance = Long.parseLong(model.getString("distance"));
               r.setDistance(distance);
               JSONArray steps = model.getJSONArray("steps");
               String tl = "";
               if(steps!=null && steps.size()>0){
                   for (int i = 0; i < steps.size(); i++) {
                       if(StringUtils.isBlank(steps.getJSONObject(i).getString("polyline" ))){
                           continue;
                       }
                       if(!tl.equals("") &&!tl.endsWith(";")){
                           tl += ";";
                       }
                       tl+= steps.getJSONObject(i).getString("polyline" );
                   }
               }
               r.setPolyline(tl);
               r.setLocations(Arrays.asList(tl.split(";")));
               r.setCode(1);
               log.error("获取交通规划线路信息成功==============");
            }else{
                log.error("获取交通规划线路信息成功=====失败！！=========");
            }
        }catch (Exception e){
            log.error("获取交通规划线路信息成功=====失败==========");
        }

        return r ;
    }

    private BigDecimal getDecimalByVal(String val) {
        try {
            return new BigDecimal(val);
        }catch (Exception e){

        }
        return null;
    }
    public static long calculateDistance (double lat1, double lon1, double lat2, double lon2) {
        double dLat = Math.toRadians(lat2 - lat1);
        double dLon = Math.toRadians(lon2 - lon1);

        double a = Math.sin(dLat / 2) * Math.sin(dLat / 2) +
                Math.cos(Math.toRadians(lat1)) * Math.cos(Math.toRadians(lat2)) *
                        Math.sin(dLon / 2) * Math.sin(dLon / 2);
        double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));

        return  (long) (EARTH_RADIUS * c * 1000);
    }
}