/*
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 *
 */

package org.apache.airavata.common.utils;

import java.io.IOException;
import java.net.SocketException;

import org.apache.airavata.common.exception.ApplicationSettingsException;
import org.apache.axis2.context.ConfigurationContext;
import org.apache.axis2.description.TransportInDescription;
import org.apache.axis2.util.Utils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class ServiceUtils {
    private static final Logger log = LoggerFactory.getLogger(ServiceUtils.class);
//    private static final String REPOSITORY_PROPERTIES = "airavata-server.properties";
    public static final String IP = "ip";
    public static final String PORT = "port";

	public static String generateServiceURLFromConfigurationContext(
			ConfigurationContext context, String serviceName) throws IOException {
//		URL url = ServiceUtils.class.getClassLoader()
//				.getResource(REPOSITORY_PROPERTIES);
		 String localAddress = null;
        String port = null;
//        Properties properties = new Properties();
        try {
            localAddress = ServerSettings.getSetting(IP);
        } catch (ApplicationSettingsException e) {
			//we will ignore this exception since the properties file will not contain the values
			//when it is ok to retrieve them from the axis2 context
		}
        if(localAddress == null){
	        try {
	            localAddress = Utils.getIpAddress(context
	                    .getAxisConfiguration());
	        } catch (SocketException e) {
	            e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
	        }
        }
        String protocol="http";
        if(ServerSettings.isEnableHttps()){
            protocol="https";
        }

        try {
            port = ServerSettings.getTomcatPort(protocol);
        } catch (ApplicationSettingsException e) {
            //we will ignore this exception since the properties file will not contain the values
            //when it is ok to retrieve them from the axis2 context
        }
        if (port == null) {
            TransportInDescription transportInDescription = context
                .getAxisConfiguration().getTransportsIn()
                .get(protocol);
            if (transportInDescription != null
                && transportInDescription.getParameter(PORT) != null) {
                port = (String) transportInDescription
                    .getParameter(PORT).getValue();
            }
        }
        localAddress = protocol+"://" + localAddress + ":" + port;
        localAddress = localAddress + "/"
    		//We are not using axis2 config context to get the context root because it is invalid
            //+ context.getContextRoot() + "/"
    		//FIXME: the context root will be correct after updating the web.xml 
            + ServerSettings.getServerContextRoot() + "/"
            + context.getServicePath() + "/"
            + serviceName;
        log.debug("Service Address Configured:" + localAddress);
        return localAddress;
	}
}