package com.dsh.course.util;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.dsh.course.util.httpClinet.HttpClientUtil;
import com.dsh.course.util.httpClinet.HttpResult;
import org.springframework.stereotype.Component;

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");
            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;
    }
}