package com.ydtech.utils;


import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.ydtech.modules.nai.httpvo.HeadMessage;
import com.ydtech.utils.RSA.RSAUtils;
import org.apache.commons.text.StringEscapeUtils;
import org.apache.http.HttpEntity;
import org.apache.http.HttpStatus;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.socket.LayeredConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.TrustStrategy;
import org.apache.http.conn.ssl.X509HostnameVerifier;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.apache.http.ssl.SSLContextBuilder;
import org.apache.http.util.EntityUtils;

import javax.net.ssl.*;
import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.security.GeneralSecurityException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

/**
 * @ClassName HttpsPostUtil
 * @Description: TODO
 * @Author
 * @Date 2021/5/24
 **/
public class HttpsPostUtil {
    private static RequestConfig requestConfig;
    private static PoolingHttpClientConnectionManager connMgr;
    private static final int MAX_TIMEOUT = 7000;

    static {
        // 设置连接池
        connMgr = new PoolingHttpClientConnectionManager();
        // 设置连接池大小
        connMgr.setMaxTotal(100);
        connMgr.setDefaultMaxPerRoute(connMgr.getMaxTotal());

        RequestConfig.Builder configBuilder = RequestConfig.custom();
        // 设置连接超时
        configBuilder.setConnectTimeout(MAX_TIMEOUT);
        // 设置读取超时
        configBuilder.setSocketTimeout(MAX_TIMEOUT);
        // 设置从连接池获取连接实例的超时
        configBuilder.setConnectionRequestTimeout(MAX_TIMEOUT);
        // 在提交请求之前 测试连接是否可用
        configBuilder.setStaleConnectionCheckEnabled(true);
        requestConfig = configBuilder.build();
    }

    //添加主机名验证程序类，设置不验证主机
    private final static HostnameVerifier DO_NOT_VERIFY = new HostnameVerifier() {
        @Override
        public boolean verify(String hostname, SSLSession session) {
            return true;
        }
    };

    //添加信任主机
    private static void trustAllHosts() {
        // 创建不验证证书链的信任管理器 这里使用的是x509证书
        TrustManager[] trustAllCerts = new TrustManager[]{new MyX509TrustManager() {
            @Override
            public java.security.cert.X509Certificate[] getAcceptedIssuers() {
                return new java.security.cert.X509Certificate[]{};
            }

            @Override
            public void checkClientTrusted(X509Certificate[] chain, String authType) {
            }

            @Override
            public void checkServerTrusted(X509Certificate[] chain, String authType) {
            }
        }};
        // 安装所有信任的信任管理器
        try {
            SSLContext sc = SSLContext.getInstance("TLS");
            sc.init(null, trustAllCerts, new java.security.SecureRandom());
            //HttpsURLConnection通过SSLSocket来建立与HTTPS的安全连接，SSLSocket对象是由SSLSocketFactory生成的。
            HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
        } catch (Exception e) {
            e.printStackTrace();
        }
    }


    public static String sendPost(String urls, String param) {

        @SuppressWarnings("unused")
        JSONObject jsonObject = null;
        StringBuffer sb = new StringBuffer();

        try {
            //建立连接
            URL url = new URL(urls);
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();

            connection.setDoOutput(true);
            connection.setDoInput(true);
            connection.setUseCaches(false);
            //  connection.setRequestMethod(RequestMethod);
            //设置请求内容编码格式
            connection.setRequestProperty("content-type", "application/json;charset=UTF-8");
            connection.setRequestProperty("Accept", "application/json;charset=UTF-8");
            connection.setConnectTimeout(60000);
            connection.setReadTimeout(60000);
            if (param != null) {
                OutputStream out = connection.getOutputStream();
                out.write(param.getBytes("UTF-8"));
                out.close();
            }
            //流处理
            InputStream in1 = connection.getInputStream();
            //  InputStreamReader inputReader = new InputStreamReader(input,"UTF-8");

            BufferedReader reader = new BufferedReader(new InputStreamReader(in1, "GBK"));

            // 请求返回的状态
            if (HttpURLConnection.HTTP_OK == connection.getResponseCode()) {

                // 请求返回的数据
                in1 = connection.getInputStream();
                String lines;

                reader = new BufferedReader(new InputStreamReader(in1, "GBK"));
                while ((lines = reader.readLine()) != null) {
                    sb.append(lines).append("\n");
                }
                return sb.toString();


            } else {
            }

            //关闭连接、释放资源
            reader.close();
            in1.close();
            connection.disconnect();
        } catch (Exception e) {


        }

        return null;

    }

    public static String sendCBITPost_self(String urls, String param) {

        @SuppressWarnings("unused")
        JSONObject jsonObject = null;
        StringBuffer sb = new StringBuffer();

        try {
            //建立连接
            URL url = new URL(urls);
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();

            connection.setDoOutput(true);
            connection.setDoInput(true);
            connection.setUseCaches(false);
            //  connection.setRequestMethod(RequestMethod);
            //设置请求内容编码格式
            connection.setRequestProperty("content-type", "application/json;charset=UTF-8");
            connection.setRequestProperty("Accept", "application/json;charset=UTF-8");
            connection.setConnectTimeout(60000);
            connection.setReadTimeout(60000);
            if (param != null) {
                OutputStream out = connection.getOutputStream();
                out.write(param.getBytes("UTF-8"));
                out.close();
            }
            //流处理
            InputStream in1 = connection.getInputStream();
            //  InputStreamReader inputReader = new InputStreamReader(input,"UTF-8");

            BufferedReader reader = null;

            // 请求返回的状态
            if (HttpURLConnection.HTTP_OK == connection.getResponseCode()) {

                // 请求返回的数据
                in1 = connection.getInputStream();
                String lines;

                reader = new BufferedReader(new InputStreamReader(in1, "UTF-8"));
                while ((lines = reader.readLine()) != null) {
                    sb.append(lines).append("\n");
                }
                return sb.toString();


            } else {
            }

            //关闭连接、释放资源
            reader.close();
            in1.close();
            connection.disconnect();
        } catch (Exception e) {


        }

        return null;

    }

    public static String sendCBITPost(String urls, String param, String ZJPT_PUBLIC_KEY, String HZHB_PRIVATE_KEY) {


        @SuppressWarnings("unused")
        JSONObject jsonObject = null;
        StringBuffer sb = new StringBuffer();
        try {
            //加密加签
            //调用工具类加密加签，获取密文和签名
            Map<String, String> encry = RSAUtils.encryptAndSign(param, ZJPT_PUBLIC_KEY, HZHB_PRIVATE_KEY, "UTF-8", true, true);
            String req_content = encry.get("CONTENT");//密文
            System.out.println("加密后的请求参数req_content=" + req_content);
            String req_sign = encry.get("SIGNATURE");//签名，放在请求头中
            System.out.println("最终请求头中的签名req_sign=" + req_sign);

            Map<String, String> reqMap = new HashMap<>();
            reqMap.put("bizContent", req_content);//bizContent作为key，密文作为value，转json
            String reqContent = JSON.toJSONString(reqMap);//请求入参，放在请求体中
            System.out.println("最终请求体中的请求参数reqContent=" + reqContent);
            //建立连接
            URL url = new URL(urls);
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();

            connection.setDoOutput(true);
            connection.setDoInput(true);
            connection.setUseCaches(false);
            //  connection.setRequestMethod(RequestMethod);
            //设置请求内容编码格式
            connection.setRequestProperty("content-type", "application/json;charset=utf-8");
            connection.setRequestProperty("Accept", "application/json;charset=utf-8");
            connection.setRequestProperty("Signature", req_sign);
            connection.setRequestProperty("PartnerCode", "p_taiyuantianqin");
            connection.setConnectTimeout(60000);
            connection.setReadTimeout(60000);
            if (reqContent != null) {
                OutputStream out = connection.getOutputStream();
                out.write(reqContent.getBytes("UTF-8"));
                out.close();
            }
            //流处理
            InputStream in1 = connection.getInputStream();
            BufferedReader reader = new BufferedReader(new InputStreamReader(in1, "GBK"));
            // 请求返回的状态
            if (HttpURLConnection.HTTP_OK == connection.getResponseCode()) {
                // 请求返回的数据
                in1 = connection.getInputStream();
                String lines;
                reader = new BufferedReader(new InputStreamReader(in1, "GBK"));
                while ((lines = reader.readLine()) != null) {
                    sb.append(lines).append("\n");
                }
                String resp_sign = connection.getHeaderField("Signature");
                //验签解密
                //请求体中获取密文、请求头中获取签名，然后验签解密，这里直接用上面请求参数reqContent、签名req_sign

                String reqEncrypt = JSON.parseObject(sb.toString()).get("bizContent").toString();//从请求体中获取密文
                String reqGetContent = RSAUtils.checkSignAndDecrypt(reqEncrypt, resp_sign, ZJPT_PUBLIC_KEY, HZHB_PRIVATE_KEY, "UTF-8", true, true);
                System.out.println("解密后的请求参数reqGetContent=" + reqGetContent);
                return reqGetContent;
            }
            //关闭连接、释放资源
            reader.close();
            in1.close();
            connection.disconnect();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * 发送 SSL POST 请求（HTTPS），JSON形式
     *
     * @param apiUrl API接口URL
     * @param json   JSON对象
     * @return
     */
    public static String doPostSSL(String apiUrl, Object json) {
        CloseableHttpClient httpClient = HttpClients.custom().setSSLSocketFactory(createSSLConnSocketFactory()).setConnectionManager(connMgr).setDefaultRequestConfig(requestConfig).build();
        HttpPost httpPost = new HttpPost(apiUrl);
        CloseableHttpResponse response = null;
        String httpStr = null;

        try {
            httpPost.setConfig(requestConfig);
            StringEntity stringEntity = new StringEntity(json.toString(), "UTF-8");//解决中文乱码问题
            stringEntity.setContentEncoding("UTF-8");
            stringEntity.setContentType("application/json");
            httpPost.setEntity(stringEntity);
            response = httpClient.execute(httpPost);
            int statusCode = response.getStatusLine().getStatusCode();
            if (statusCode != HttpStatus.SC_OK) {
                return null;
            }
            HttpEntity entity = response.getEntity();
            if (entity == null) {
                return null;
            }
            httpStr = EntityUtils.toString(entity, "utf-8");
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (response != null) {
                try {
                    EntityUtils.consume(response.getEntity());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return httpStr;
    }

    /**
     * 创建SSL安全连接
     *
     * @return
     */
    private static LayeredConnectionSocketFactory createSSLConnSocketFactory() {
        SSLConnectionSocketFactory sslsf = null;
        try {
            SSLContext sslContext = new SSLContextBuilder().loadTrustMaterial(null, new TrustStrategy() {

                @Override
                public boolean isTrusted(X509Certificate[] chain, String authType) throws CertificateException {
                    return true;
                }
            }).build();
            sslsf = new SSLConnectionSocketFactory(sslContext, new X509HostnameVerifier() {

                @Override
                public boolean verify(String arg0, SSLSession arg1) {
                    return true;
                }

                @Override
                public void verify(String host, SSLSocket ssl) throws IOException {
                }

                @Override
                public void verify(String host, X509Certificate cert) throws SSLException {
                }

                @Override
                public void verify(String host, String[] cns, String[] subjectAlts) throws SSLException {
                }
            });
        } catch (GeneralSecurityException e) {
            e.printStackTrace();
        }
        return sslsf;
    }

    public static HeadMessage HeadMessage(String post) {


        JSONObject jsonObject = JSONObject.parseObject(post);

        Map<String, Object> map = jsonObject;
        String head = map.get("head").toString();
        HeadMessage list = JSONObject.parseObject(StringEscapeUtils.unescapeJava(head), HeadMessage.class);
        return list;
    }


    public static void main(String[] args) {
        try {
            Date v_startDate = new Date("2021-11-27");
            SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
            String startDate = df.format(v_startDate);
            System.out.println(startDate);
        } catch (Exception e) {
            e.printStackTrace();
        }

    }

}