package com.fzzy.push.nx2023;

import com.alibaba.fastjson.JSON;
import com.fzzy.push.nx2023.dto.Nx2023RespDto;
import lombok.extern.slf4j.Slf4j;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLSession;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;

/**
 * 宁夏省平台2023版-上传数据服务类
 * @author czt
 * @date 2023/11/09
 */
@Slf4j
public class NX2023HttpClientUtil {

    /**
     * post formData
     * @param url
     * @return
     * @throws Exception
     */
    @SuppressWarnings("resource")
    public static Nx2023RespDto postPushData(String url, String reqData) throws Exception {
        log.info("---------接口请求地址：" +url+ "----------参数：" + reqData +"---------");
        BufferedReader in = null;
        URL urls = new URL(url);
        HttpURLConnection connection = null;
        OutputStream outputStream = null;
        String rs = "";
        Nx2023RespDto responseDto;
        try {
            //https请求忽略ssl证书，该部分必须在获取connection前调用
            trustAllHttpsCertificates();
            HostnameVerifier hv = new HostnameVerifier() {
                @Override
                public boolean verify(String urlHostName, SSLSession session) {
                    log.info("Warning: URL Host: " + urlHostName + " vs. " + session.getPeerHost());
                    return true;
                }
            };
            HttpsURLConnection.setDefaultHostnameVerifier(hv);

            connection = (HttpURLConnection) urls.openConnection();
            connection.setRequestProperty("Content-Type", "application/json;charset=UTF-8");
            connection.setDoOutput(true);
            connection.setDoInput(true);
            connection.setRequestProperty("Accept-Language", "zh-CN,zh;q=0.8");
            connection.setRequestProperty("Accept", "*/*");
            connection.setRequestProperty("Range", "bytes=" + "");
            connection.setConnectTimeout(20000);
            connection.setReadTimeout(30000);
            connection.setRequestMethod("POST");

            outputStream = connection.getOutputStream();

            outputStream.write(reqData.getBytes("UTF-8"));
            try {
                connection.connect();
                if (connection.getResponseCode() == 200) {
                    in = new BufferedReader(new InputStreamReader(connection.getInputStream(), "UTF-8"));
                    String line = "";
                    while ((line = in.readLine()) != null) {
                        rs += line;
                    }
                }else{
                    log.error("http状态：" + connection.getResponseCode());
                    log.error("http消息：" + connection.getResponseMessage());
                }

            } catch (Exception e) {
                System.out.println("发生异常");
                log.error(e.getMessage(),e);
                rs = null;
                return new Nx2023RespDto(99,e.getMessage());
            }
            log.info("---------接口返回：" + rs +"---------");
            responseDto = JSON.parseObject(rs,Nx2023RespDto.class);
            if(responseDto == null )   return new Nx2023RespDto(99,"接口请求发生未知错误");
            return responseDto;
        } finally {
            try {
                outputStream.close();
                if (in != null){
                    in.close();
                }
            } catch (Exception e) {
            }
            outputStream = null;
            if (connection != null)
                connection.disconnect();
            connection = null;
        }
    }

    private static void trustAllHttpsCertificates() throws Exception {
        javax.net.ssl.TrustManager[] trustAllCerts = new javax.net.ssl.TrustManager[1];
        javax.net.ssl.TrustManager tm = new miTM();
        trustAllCerts[0] = tm;
        javax.net.ssl.SSLContext sc = javax.net.ssl.SSLContext.getInstance("SSL");
        sc.init(null, trustAllCerts, null);
        javax.net.ssl.HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
    }

    static class miTM implements javax.net.ssl.TrustManager, javax.net.ssl.X509TrustManager {
        @Override
        public java.security.cert.X509Certificate[] getAcceptedIssuers() {
            return null;
        }

        public boolean isServerTrusted(java.security.cert.X509Certificate[] certs) {
            return true;
        }

        public boolean isClientTrusted(java.security.cert.X509Certificate[] certs) {
            return true;
        }

        @Override
        public void checkServerTrusted(java.security.cert.X509Certificate[] certs, String authType)
                throws java.security.cert.CertificateException {
            return;
        }

        @Override
        public void checkClientTrusted(java.security.cert.X509Certificate[] certs, String authType)
                throws java.security.cert.CertificateException {
            return;
        }
    }
}