/*
 * ============LICENSE_START===================================================
 * Copyright (c) 2018 Amdocs
 * ============================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============LICENSE_END=====================================================
 */

package org.onap.pomba.contextbuilder.networkdiscovery;

import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import java.security.cert.X509Certificate;
import java.util.logging.Logger;

import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import javax.ws.rs.ApplicationPath;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;

import org.glassfish.jersey.client.ClientConfig;
import org.glassfish.jersey.logging.LoggingFeature;
import org.glassfish.jersey.server.ResourceConfig;
import org.glassfish.jersey.servlet.ServletProperties;
import org.onap.pomba.contextbuilder.networkdiscovery.service.rs.RestServiceImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.stereotype.Component;

@Component
@ApplicationPath("/")
public class JerseyConfiguration extends ResourceConfig {
    private static final Logger log = Logger.getLogger(JerseyConfiguration.class.getName());

    @Autowired
    public JerseyConfiguration() {
        register(RestServiceImpl.class);
        property(ServletProperties.FILTER_FORWARD_ON_404, true);
        register(new LoggingFeature(log));
    }

    @Bean
    public Client jerseyClient() {
        return ClientBuilder.newClient(new ClientConfig());
    }

    @Bean
    public Client jerseySslClient() throws NoSuchAlgorithmException, KeyManagementException {

        ClientConfig clientConfig = new ClientConfig();
        TrustManager[] trustAllCerts = new TrustManager[] { new X509TrustManager() {
            public X509Certificate[] getAcceptedIssuers() {
                return null;
            }

            public void checkClientTrusted(X509Certificate[] certs, String authType) {
            }

            public void checkServerTrusted(X509Certificate[] certs, String authType) {
            }
        } };

        SSLContext sc = SSLContext.getInstance("TLS");
        sc.init(null, trustAllCerts, new SecureRandom());
        HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());

        ClientBuilder.newClient(clientConfig);

        return ClientBuilder.newBuilder()
                .sslContext(sc)
                .hostnameVerifier(new HostnameVerifier() {
                    public boolean verify(String s, SSLSession sslSession) {
                        return true;
                    }
                })
                .withConfig(clientConfig).build();
    }

}