/*******************************************************************************
 * Copyright 2014 Federal Chancellery Austria
 * MOA-ID has been developed in a cooperation between BRZ, the Federal
 * Chancellery Austria - ICT staff unit, and Graz University of Technology.
 *
 * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
 * the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 * http://www.osor.eu/eupl/
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing permissions and
 * limitations under the Licence.
 *
 * This product combines work with different licenses. See the "NOTICE" text
 * file for details on the various modules and licenses.
 * The "NOTICE" text file is part of the distribution. Any derivative works
 * that you distribute must include a readable copy of the "NOTICE" text file.
 *******************************************************************************/
package at.gv.egovernment.moa.id.client;

import java.net.URL;
import java.util.Map;

import javax.net.ssl.SSLSocketFactory;
import javax.xml.namespace.QName;
import javax.xml.ws.BindingProvider;

import org.apache.cxf.configuration.jsse.TLSClientParameters;
import org.apache.cxf.endpoint.Client;
import org.apache.cxf.frontend.ClientProxy;
import org.apache.cxf.transport.http.HTTPConduit;
import org.apache.cxf.transports.http.configuration.HTTPClientPolicy;

import at.gv.egovernment.moa.id.commons.api.ConnectionParameterInterface;
import at.gv.egovernment.moa.id.config.auth.AuthConfigurationProviderFactory;
import at.gv.egovernment.moa.id.util.SSLUtils;
import at.gv.egovernment.moa.logging.Logger;
import at.gv.egovernment.moa.util.MiscUtil;
import at.gv.util.wsdl.szrgw.SZRGWService;
import at.gv.util.wsdl.szrgw.SZRGWType;
import at.gv.util.xsd.srzgw.CreateIdentityLinkRequest;
import at.gv.util.xsd.srzgw.CreateIdentityLinkResponse;

public class SZRGWClient {

	private SSLSocketFactory sslContext = null;
	
	public SZRGWClient(ConnectionParameterInterface connectionParameters) throws SZRGWClientException {
		initial(connectionParameters);
	}
	
	public CreateIdentityLinkResponse sentCreateIDLRequest(CreateIdentityLinkRequest request, String serviceUrl) throws SZRGWClientException {
		MiscUtil.assertNotNull(request, "createIDLRequest");
		MiscUtil.assertNotNull(serviceUrl, "serviceURL");
		
		URL url = SZRGWClient.class.getResource("/resources/wsdl/szrgw/szrgw.wsdl");
		SZRGWService service = new SZRGWService(url, new QName("http://reference.e-government.gv.at/namespace/szrgw/20070807/wsdl", "SZRGWService"));
		SZRGWType port = service.getSZRGWPort();
		
		BindingProvider bindingProvider = (BindingProvider) port;
		Map<String, Object> requestContext = bindingProvider.getRequestContext();
		requestContext.put(BindingProvider.ENDPOINT_ADDRESS_PROPERTY, serviceUrl);
		
		
		// check for ssl
		if (serviceUrl.toLowerCase().startsWith("https")) {
			Logger.trace("Using ssl for SZRGW client request.");
			if (sslContext == null) {
				throw new SZRGWClientException();
			}
			
			Client client = ClientProxy.getClient(port);
			HTTPConduit http = (HTTPConduit) client.getConduit();
			HTTPClientPolicy httpClientPolicy = new HTTPClientPolicy();
			 
			httpClientPolicy.setConnectionTimeout(36000);
			httpClientPolicy.setReceiveTimeout(32000);
			 
			http.setClient(httpClientPolicy);
			
			TLSClientParameters tlsParams = new TLSClientParameters();			
			tlsParams.setSSLSocketFactory(sslContext);
									
			http.setTlsClientParameters(tlsParams );
						
			// check for lax hostname
			if (true) {
				Logger.trace("LaxHostnameVerifier enabled. This setting is not recommended to use.");
				tlsParams.setHostnameVerifier(new LaxHostNameVerifier());
			}
		}
		
		
		return port.szrgwOperation(request);
		
	}
	
	
	private void initial(ConnectionParameterInterface connectionParameters) throws at.gv.egovernment.moa.id.client.SZRGWClientException{ 
		try {
			sslContext = SSLUtils.getSSLSocketFactory(
					AuthConfigurationProviderFactory.getInstance(),
					connectionParameters);
			
		} catch (Exception e) {
			Logger.warn("SZRGW Client initialization FAILED.", e);
			throw new SZRGWClientException();
			
		}
		
	}	
}