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/*
 * TeleStax, Open Source Cloud Communications
 * Copyright 2011-2016, TeleStax Inc. and individual contributors
 * by the @authors tag.
 *
 * This program is free software: you can redistribute it and/or modify
 * under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation; either version 3 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see 
 *
 * This file incorporates work covered by the following copyright and
 * permission notice:
 *
 *   JBoss, Home of Professional Open Source
 *   Copyright 2007-2011, Red Hat, Inc. and individual contributors
 *   by the @authors tag. See the copyright.txt in the distribution for a
 *   full listing of individual contributors.
 *
 *   This is free software; you can redistribute it and/or modify it
 *   under the terms of the GNU Lesser General Public License as
 *   published by the Free Software Foundation; either version 2.1 of
 *   the License, or (at your option) any later version.
 *
 *   This software is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 *   Lesser General Public License for more details.
 *
 *   You should have received a copy of the GNU Lesser General Public
 *   License along with this software; if not, write to the Free
 *   Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 *   02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.jdiameter.common.impl.app.auth;

import static org.jdiameter.api.Avp.AUTH_APPLICATION_ID;
import static org.jdiameter.api.Avp.TERMINATION_CAUSE;

import org.jdiameter.api.Avp;
import org.jdiameter.api.AvpDataException;
import org.jdiameter.api.Message;
import org.jdiameter.api.app.AppSession;
import org.jdiameter.api.auth.events.SessionTermRequest;
import org.jdiameter.common.impl.app.AppRequestEventImpl;

/**
 * @author [email protected]
 * @author  Alexandre Mendonca 
 * @author  Bartosz Baranowski 
 */
@SuppressWarnings("all") //3rd party lib
public class SessionTermRequestImpl extends AppRequestEventImpl implements SessionTermRequest {

    private static final long serialVersionUID = 1L;

    public SessionTermRequestImpl(AppSession session, int terminationCause, String destRealm, String destHost) {
        super(session.getSessions().get(0).createRequest(code, session.getSessionAppId(), destRealm, destHost));
        message.getAvps().addAvp(Avp.TERMINATION_CAUSE, terminationCause, true, false);
    }

    public SessionTermRequestImpl(Message message) {
        super(message);
    }

    @Override
    public long getAuthApplicationId() throws AvpDataException {
        Avp authApplicationIdAvp = message.getAvps().getAvp(AUTH_APPLICATION_ID);
        if (authApplicationIdAvp != null) {
            return authApplicationIdAvp.getUnsigned32();
        } else {
            throw new AvpDataException("Avp AUTH_APPLICATION_ID not found");
        }
    }

    @Override
    public int getTerminationCause() throws AvpDataException {
        Avp terminationCauseAvp = message.getAvps().getAvp(TERMINATION_CAUSE);
        if (terminationCauseAvp != null) {
            return terminationCauseAvp.getInteger32();
        } else {
            throw new AvpDataException("Avp TERMINATION_CAUSE not found");
        }
    }
}