package com.xkrs.utils;

import net.sf.json.JSONObject;
import io.micrometer.core.instrument.util.StringUtils;

import javax.net.ssl.*;
import java.io.*;
import java.net.URL;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

/**
 * 根据经纬度获取地址:省 市 区 位置名称
 * @author XinYi Song
 */
public class AddressUtils {

    public static String getLatAndLng(String lat, String lng) {
        String key = "O7QBZ-ZYDKI-EMKGN-53UHG-5XSJF-AAFBP";
        try {
            String hsUrl = "https://apis.map.qq.com/ws/geocoder/v1/?location=" + lat + "," + lng + "&key=" + key + "&get_poi=1";

            URL url;

            url = new URL(hsUrl);
            HttpsURLConnection con = (HttpsURLConnection) url.openConnection();
            // 提交模式
            con.setRequestMethod("GET");
            X509TrustManager xtm = new X509TrustManager() {
                @Override
                public X509Certificate[] getAcceptedIssuers() {
                    // TODO Auto-generated method stub
                    return null;
                }

                @Override
                public void checkServerTrusted(X509Certificate[] arg0, String arg1)
                        throws CertificateException {
                    // TODO Auto-generated method stub
                }

                @Override
                public void checkClientTrusted(X509Certificate[] arg0, String arg1)
                        throws CertificateException {
                    // TODO Auto-generated method stub
                }
            };

            TrustManager[] tm = {xtm};

            SSLContext ctx = SSLContext.getInstance("TLS");
            ctx.init(null, tm, null);

            con.setSSLSocketFactory(ctx.getSocketFactory());
            con.setHostnameVerifier(new HostnameVerifier() {
                @Override
                public boolean verify(String arg0, SSLSession arg1) {
                    return true;
                }
            });


            InputStream inStream = con.getInputStream();
            ByteArrayOutputStream outStream = new ByteArrayOutputStream();
            byte[] buffer = new byte[1024];
            int len = 0;
            while ((len = inStream.read(buffer)) != -1) {
                outStream.write(buffer, 0, len);
            }
            //网页的二进制数据
            byte[] b = outStream.toByteArray();
            outStream.close();
            inStream.close();
            String rtn = new String(b, "utf-8");
            if (StringUtils.isNotBlank(rtn)) {
                JSONObject object = JSONObject.fromObject(rtn);
                if (object != null) {
                    if (object.has("status") && object.getInt("status") == 0) {
                        JSONObject result = JSONObject.fromObject(object.get("result"));
                        if (result != null) {
                            JSONObject addressComponent = JSONObject.fromObject(result.get("address_component"));
                            if (addressComponent != null) {
                                String province = (String) addressComponent.get("province");
                                String city = (String) addressComponent.get("city");
                                String district = (String) addressComponent.get("district");
                                String street = (String) addressComponent.get("street");
                                String street_number = (String) addressComponent.get("street_number");
                                String address = province + city + district + street + street_number;
                                return address;
                            }
                        }
                    }
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    public static void main(String[] args) {
        String latAndLng = getLatAndLng("36.677841", "119.12423");
        System.out.println(latAndLng);
    }
}