package com.dsh.other.util;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.dsh.other.util.httpClinet.HttpClientUtil;
import com.dsh.other.util.httpClinet.HttpResult;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;


import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * 高德地图的地理编码工具类
 */
@Component
public class GDMapGeocodingUtil {

    private String key = "fb131ad2dbfb3f39d7d37d244b92aa2d";

    /**
     * 将行政区域名称转化为坐标
     *
     * @param province
     * @param city
     * @param county
     * @param address
     * @return
     */
    public Map<String, Object> geocoding(String province, String city, String county, String address) throws Exception {
        Map<String, Object> map = new HashMap<>();
        if (ToolUtil.isEmpty(province)) {
            map.put("status", -1);
            map.put("data", "省不能为空");
            return map;
        }
        if ((ToolUtil.isEmpty(city) && ToolUtil.isNotEmpty(county)) || (ToolUtil.isEmpty(city) && ToolUtil.isNotEmpty(address))) {
            map.put("status", -1);
            map.put("data", "市不能为空");
            return map;
        }
        if ((ToolUtil.isEmpty(county) && ToolUtil.isNotEmpty(address))) {
            map.put("status", -1);
            map.put("data", "县/区不能为空");
            return map;
        }

        String url = "https://restapi.amap.com/v3/geocode/geo?key=" + key + "&output=JSON";
        url += "&address=" + province + (ToolUtil.isNotEmpty(city) ? city : "") + (ToolUtil.isNotEmpty(county) ? county : "") + (ToolUtil.isNotEmpty(address) ? address : "");
        HttpResult httpResult = HttpClientUtil.pushHttpRequset("GET", url, null, null, "json");
        JSONObject jsonObject = JSON.parseObject(httpResult.getData());
        String status = jsonObject.getString("status");
        List<String> list = new ArrayList<>();

        if (status.equals("1")) {
            JSONArray geocodes = jsonObject.getJSONArray("geocodes");
            for (int i = 0; i < geocodes.size(); i++) {
                String location = geocodes.getJSONObject(i).getString("location");
                list.add(location);
            }
        }
        map.put("status", 0);
        map.put("data", list);
        return map;
    }


    public Map<String, Object> geocoding(String address) throws Exception {
        Map<String, Object> map = new HashMap<>();
        String url = "https://restapi.amap.com/v3/geocode/geo?key=" + key + "&output=JSON&address=" + address;
        HttpResult httpResult = HttpClientUtil.pushHttpRequset("GET", url, null, null, "json");
        JSONObject jsonObject = JSON.parseObject(httpResult.getData());
        String status = jsonObject.getString("status");
        List<String> list = new ArrayList<>();

        if (status.equals("1")) {
            JSONArray geocodes = jsonObject.getJSONArray("geocodes");
            for (int i = 0; i < geocodes.size(); i++) {
                String location = geocodes.getJSONObject(i).getString("location");
                list.add(location);
            }
        }
        map.put("status", 0);
        map.put("data", list);
        return map;
    }


    /**
     * 根据经纬度获取行政区域信息
     *
     * @param lon
     * @param lan
     * @return
     * @throws Exception
     */
    public Map<String, String> geocode(String lon, String lan) throws Exception {
        String url = "https://restapi.amap.com/v3/geocode/regeo?key=" + key + "&location=" + lon + "," + lan;
        HttpResult httpResult = HttpClientUtil.pushHttpRequset("GET", url, null, null, "json");
        JSONObject jsonObject = JSON.parseObject(httpResult.getData());
        Map<String, String> map = new HashMap<>();


        if (jsonObject.getString("status").equals("1")) {
            JSONObject regeocode = jsonObject.getJSONObject("regeocode");
            JSONObject addressComponent = regeocode.getJSONObject("addressComponent");
            String address = regeocode.getString("formatted_address");
            map.put("address", address);
            String code = addressComponent.getString("adcode");
            String province = addressComponent.getString("province");
            String city = addressComponent.getString("city");
            String district = addressComponent.getString("district");
            if("[]".equals(code)){
                System.err.println("经纬度转行政区划代码失败[" + lon + "," + lan + "]");
                return null;
            }
            map.put("province", province);
            map.put("provinceCode", code.substring(0, 2) + "0000");
            map.put("city", city);
            map.put("cityCode", code.substring(0, 4) + "00");
            map.put("district", district);
            map.put("districtCode", code);
        }
        return map;
    }

    @Autowired
    private GDMapGeocodingUtil gdMapGeocodingUtil;

    public Map<String, String> geocode1(String lon, String lan) throws Exception {
        String url = "https://restapi.amap.com/v3/geocode/regeo?key=" + key + "&location=" + lon + "," + lan;
        HttpResult httpResult = HttpClientUtil.pushHttpRequset("GET", url, null, null, "json");
        JSONObject jsonObject = JSON.parseObject(httpResult.getData());
        Map<String, String> map = new HashMap<>();

        Map<String, String> geocode = gdMapGeocodingUtil.geocode(lon, lan);
        String provinceCode = geocode.get("provinceCode");
        String cityCode = geocode.get("cityCode");
        map.put("cityCode", cityCode);

//        if(jsonObject.getString("status").equals("1")){
//            JSONObject regeocode = jsonObject.getJSONObject("regeocode");
//            JSONObject addressComponent = regeocode.getJSONObject("addressComponent");
//            String address = regeocode.getString("formatted_address");
//            map.put("address", address);
//            String code = addressComponent.getString("adcode");
//            String province = addressComponent.getString("province");
//            String city = addressComponent.getString("city");
//            String district = addressComponent.getString("district");
//            map.put("province", province);
//            map.put("provinceCode", code.substring(0, 2) + "0000");
//            map.put("city", city);
//            map.put("cityCode", code.substring(0, 4) + "00");
//            map.put("district", district);
//            map.put("districtCode", code);
//        }
        return map;
    }


    /**
     * 坐标转换
     *
     * @param locations 经度和纬度用","分割，经度在前，纬度在后，经纬度小数点后不得超过6位。多个坐标对之间用”|”进行分隔最多支持40对坐标。
     * @param coordsys  可选值：gps;mapbar;baidu;autonavi(不进行转换)
     * @return
     * @throws Exception
     */
    public Map<String, String> convert(String locations, String coordsys) throws Exception {
        String url = "https://restapi.amap.com/v3/assistant/coordinate/convert?locations=" + locations + "&coordsys=" + coordsys + "&output=json&key=" + key;
        HttpResult httpResult = HttpClientUtil.pushHttpRequset("GET", url, null, null, "json");
        JSONObject jsonObject = JSON.parseObject(httpResult.getData());
        Map<String, String> map = new HashMap<>();
        if ("1".equals(jsonObject.getString("status"))) {
            map.put("code", jsonObject.getString("infocode"));//"10000"
            map.put("info", jsonObject.getString("info"));//status为0时，info返回错误原；否则返回“OK”。
            map.put("locations", jsonObject.getString("locations").split(";")[0]);//转换之后的坐标。若有多个坐标，则用 “;”进行区分和间隔
        } else {
            map.put("code", jsonObject.getString("infocode"));
            map.put("info", jsonObject.getString("info"));//status为0时，info返回错误原；否则返回“OK”。
        }
        return map;
    }


    /**
     * 功能描述: 根据两个定位点的经纬度算出两点间的距离(米/m)
     *
     * @param startLonLat 起始经纬度
     * @param endLonLat   结束经纬度（目标经纬度）
     * @return java.lang.Long 两个定位点之间的距离
     */
    public Long getDistance(String startLonLat, String endLonLat) {
        try {
            // 返回起始地startAddr与目的地endAddr之间的距离，单位：米
            Long result = new Long(0);
            String queryUrl =
                    "http://restapi.amap.com/v3/distance?key=" + key + "&origins=" + startLonLat
                            + "&destination="
                            + endLonLat;
            String queryResult = getResponse(queryUrl);
            JSONObject job = JSONObject.parseObject(queryResult);
            JSONArray ja = job.getJSONArray("results");
            JSONObject jobO = JSONObject.parseObject(ja.getString(0));
            result = Long.parseLong(jobO.get("distance").toString());
            return result;
        } catch (Exception e) {
            throw new RuntimeException();
        }
    }


    /**
     * 功能描述: 根据两个定位点的经纬度算出两点间的距离(千米/km)
     *
     * @param startLonLat 起始经纬度
     * @param endLonLat   结束经纬度（目标经纬度）
     * @return java.lang.Long 两个定位点之间的距离
     */
    public String getDistanceTOKilometer(String startLonLat, String endLonLat) {
        try {
            // 返回起始地startAddr与目的地endAddr之间的距离，单位：米
            Long result = new Long(0);
            String queryUrl =
                    "http://restapi.amap.com/v3/distance?key=" + key + "&origins=" + startLonLat
                            + "&destination="
                            + endLonLat;
            String queryResult = getResponse(queryUrl);
            JSONObject job = JSONObject.parseObject(queryResult);
            JSONArray ja = job.getJSONArray("results");
            if (ja.size() == 0) {
                return 0.00 + "";
            }
            JSONObject jobO = JSONObject.parseObject(ja.getString(0));
            result = Long.parseLong(jobO.get("distance").toString());
            DecimalFormat decimalFormat = new DecimalFormat("#.00");
            double demo = result / 1000;
            return decimalFormat.format(demo);
        } catch (Exception e) {
            throw new RuntimeException();
        }
    }

    /**
     * 功能描述: 发送请求
     *
     * @param serverUrl 请求地址
     * @return java.lang.String
     * @author isymikasan
     * @date 2022-01-26 09:15:01
     */
    private static String getResponse(String serverUrl) {
        // 用JAVA发起http请求，并返回json格式的结果
        StringBuffer result = new StringBuffer();
        try {
            URL url = new URL(serverUrl);
            URLConnection conn = url.openConnection();
            BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {
                result.append(line);
            }
            in.close();
        } catch (MalformedURLException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return result.toString();
    }


}