package com.stylefeng.guns.modular.system.util;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.stylefeng.guns.core.util.ToolUtil;
import com.stylefeng.guns.modular.system.service.IGDInterfaceService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.client.RestTemplate;

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 = "86b7352a4b7dcd688f7308c8c61d043b";

    @Autowired
    private RestTemplate restTemplate;

    @Autowired
    private IGDInterfaceService gdInterfaceService;


    /**
     * 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){
        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 : "");
        String forObject = restTemplate.getForObject(url, String.class);
        JSONObject jsonObject = JSON.parseObject(forObject);
        String status = jsonObject.getString("status");
        List<String> list = new ArrayList<>();

        gdInterfaceService.saveData("https://restapi.amap.com/v3/geocode/geo", "行政区域转经纬度");

        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){
        Map<String, Object> map = new HashMap<>();
        String url = "https://restapi.amap.com/v3/geocode/geo?key=" + key + "&output=JSON&address=" + address;
        String forObject = restTemplate.getForObject(url, String.class);
        JSONObject jsonObject = JSON.parseObject(forObject);
        String status = jsonObject.getString("status");
        List<String> list = new ArrayList<>();

        gdInterfaceService.saveData("https://restapi.amap.com/v3/geocode/geo", "行政区域转经纬度");

        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;
        String forObject = restTemplate.getForObject(url, String.class);
        JSONObject jsonObject = JSON.parseObject(forObject);
        Map<String, String> map = new HashMap<>();

        gdInterfaceService.saveData("https://restapi.amap.com/v3/geocode/regeo", "经纬度转行政区域");

        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;
    }


    /**
     * 两点经纬度之间距离(米)
     *
     * @return
     */
    public static double getDistance(Double lat1, Double lng1,
                                     Double lat2, Double lng2) {

        double r = 6378.137;

        lat1 = Math.toRadians(lat1);

        lng1 = Math.toRadians(lng1);

        lat2 = Math.toRadians(lat2);

        lng2 = Math.toRadians(lng2);

        double d1 = Math.abs(lat1 - lat2);

        double d2 = Math.abs(lng1 - lng2);

        double p = Math.pow(Math.sin(d1 / 2), 2) + Math.cos(lat1)

                * Math.cos(lat2) * Math.pow(Math.sin(d2 / 2), 2);

        double dis = r * 2 * Math.asin(Math.sqrt(p));
        return dis*1000;
    }

    private static double rad(double d) {
        return d * Math.PI / 180.0;
    }

    public static float getMinElapsetime(double meter, int speed) {
        float km = (float) meter / 1000;
        float elapse = (float) km / speed;
        return Float.valueOf(new java.text.DecimalFormat("0.0").format(elapse));
    }
}