package com.jilongda.common.utils;

import com.alibaba.fastjson.JSONObject;
import com.jilongda.common.exception.ServiceException;

import javax.servlet.http.HttpServletRequest;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;


/**
 * @author xiaochen
 * @version 1.0
 * @ClassName: IPUtil
 * @Desc: Ip工具类
 * @date 2021/12/21
 * @history v1.0
 */
public class IPUtil {

    /**
     * 描述：获取IP地址
     *
     * @param request
     * @return
     * @author xiaochen
     * @date 2021/12/21
     */
    public static String getIpAddress(HttpServletRequest request) {
        String ip = request.getHeader("x-forwarded-for");
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("Proxy-Client-IP");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("WL-Proxy-Client-IP");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("HTTP_CLIENT_IP");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("HTTP_X_FORWARDED_FOR");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getRemoteAddr();
        }
        // 如果是多级代理，那么取第一个IP为客户端IP
        if (ip != null && ip.indexOf(",") != -1) {
            ip = ip.substring(0, ip.indexOf(",")).trim();
        }
        return ip;
    }


    /**
     * 描述：获取IP+[IP所属地址]
     *
     * @param request
     * @return
     * @author huaping hu
     * @date 2016年6月1日下午6:01:09
     */
    public static String getIpBelongAddress(HttpServletRequest request) {

        String ip = getIpAddress(request);
        String belongIp = getIPbelongAddress(ip);

        return ip + belongIp;
    }

    /**
     * 描述：获取IP所属地址
     *
     * @param ip
     * @return
     * @author huaping hu
     * @date 2016年6月1日下午5:59:43
     */
    public static String getIPbelongAddress(String ip) {

        String ipAddress = "[]";
        try {
            //淘宝提供的服务地址
            String context = call("http://ip.taobao.com?ip=" + ip);
            JSONObject fromObject = JSONObject.parseObject(context);
            String code = fromObject.getString("code");
            if (code.equals("0")) {
                JSONObject jsonObject = fromObject.getJSONObject("data");
                ipAddress = "[" + jsonObject.get("country") + "/" + jsonObject.get("city") + "]";
            }
        } catch (Exception e) {
            e.printStackTrace();
            throw new ServiceException("获取IP所属地址出错", e);
        }
        return ipAddress;
    }

    /**
     * 描述：获取Ip所属地址
     *
     * @param urlStr
     * @return
     * @author huaping hu
     * @date 2016年6月1日下午5:38:55
     */
    public static String call(String urlStr) {

        try {

            URL url = new URL(urlStr);
            HttpURLConnection httpCon = (HttpURLConnection) url.openConnection();

            httpCon.setConnectTimeout(3000);
            httpCon.setDoInput(true);
            httpCon.setRequestMethod("GET");

            int code = httpCon.getResponseCode();

            if (code == 200) {
                return streamConvertToSting(httpCon.getInputStream());
            }
        } catch (Exception e) {
            e.printStackTrace();
            throw new ServiceException("获取IP所属地址出错", e);
        }
        return null;
    }

    /**
     * 描述：将InputStream转换成String
     *
     * @param is
     * @return
     * @author huaping hu
     * @date 2016年6月1日下午5:51:53
     */
    public static String streamConvertToSting(InputStream is) {

        String tempStr = "";
        try {

            if (is == null) return null;
            ByteArrayOutputStream arrayOut = new ByteArrayOutputStream();
            byte[] by = new byte[1024];
            int len = 0;
            while ((len = is.read(by)) != -1) {
                arrayOut.write(by, 0, len);
            }
            tempStr = new String(arrayOut.toByteArray());

        } catch (IOException e) {
            e.printStackTrace();
        }
        return tempStr;
    }

    /**
     * 获取用户ip地址
     *
     * @return
     */
    public static String getUserIp() {
        HttpServletRequest request = SpringContextUtils.getHttpServletRequest();
        //获取IP地址
        return getIpAddress(request);
    }

    public static String getUserLocationByIp() {
        String url = "https://restapi.amap.com/v3/ip";
        Map<String, String> paramMap = new HashMap<>();
        paramMap.put("key", "5935f1310fa27e918e99c620f2afb39f");
        paramMap.put("ip", getUserIp());
        String result1 = HttpUtils.getReq(url, paramMap);
        JSONObject jsonObject = JSONObject.parseObject(result1);
        IpLocation ipLocation = jsonObject.toJavaObject(IpLocation.class);
        return ipLocation.getProvince() + ipLocation.getCity();
    }


    public static void main(String[] args) {

        String context = call("http://ip.taobao.com/service/getIpInfo.php?ip=120.192.182.1");

        JSONObject fromObject = JSONObject.parseObject(context);
        //JSONObject jsonObject = fromObject.getJSONObject("data");
        System.out.println(fromObject);
        //System.err.println(jsonObject.get("city"));
    }
}