/*
 * TeleStax, Open Source Cloud Communications  Copyright 2012.
 * 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.mobicents.protocols.ss7.map.service.supplementary;

import java.io.IOException;

import org.mobicents.protocols.asn.AsnException;
import org.mobicents.protocols.asn.AsnInputStream;
import org.mobicents.protocols.asn.AsnOutputStream;
import org.mobicents.protocols.asn.Tag;
import org.mobicents.protocols.ss7.map.api.MAPException;
import org.mobicents.protocols.ss7.map.api.MAPParsingComponentException;
import org.mobicents.protocols.ss7.map.api.MAPParsingComponentExceptionReason;
import org.mobicents.protocols.ss7.map.api.service.mobility.subscriberManagement.BasicServiceCode;
import org.mobicents.protocols.ss7.map.api.service.supplementary.CallBarringFeature;
import org.mobicents.protocols.ss7.map.api.service.supplementary.SSStatus;
import org.mobicents.protocols.ss7.map.primitives.SequenceBase;
import org.mobicents.protocols.ss7.map.service.mobility.subscriberManagement.BasicServiceCodeImpl;

/**
*
* @author sergey vetyutnev
*
*/
public class CallBarringFeatureImpl extends SequenceBase implements CallBarringFeature {
    public static final int _ID_ssStatus = 4;

    private BasicServiceCode basicService;
    private SSStatus ssStatus;

    public CallBarringFeatureImpl() {
        super("CallBarringFeature");
    }

    public CallBarringFeatureImpl(BasicServiceCode basicService, SSStatus ssStatus) {
        super("CallBarringFeature");
        this.basicService = basicService;
        this.ssStatus = ssStatus;
    }

    @Override
    public BasicServiceCode getBasicService() {
        return basicService;
    }

    @Override
    public SSStatus getSsStatus() {
        return ssStatus;
    }

    @Override
    protected void _decode(AsnInputStream asnIS, int length) throws MAPParsingComponentException, IOException, AsnException {

        this.basicService = null;
        this.ssStatus = null;

        AsnInputStream ais = asnIS.readSequenceStreamData(length);

        while (true) {
            if (ais.available() == 0)
                break;

            int tag = ais.readTag();

            if (ais.getTagClass() == Tag.CLASS_CONTEXT_SPECIFIC) {

                switch (tag) {
                case BasicServiceCodeImpl._TAG_bearerService:
                case BasicServiceCodeImpl._TAG_teleservice:
                    this.basicService = new BasicServiceCodeImpl();
                    ((BasicServiceCodeImpl) this.basicService).decodeAll(ais);
                    break;

                case _ID_ssStatus:
                    if (!ais.isTagPrimitive())
                        throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName + " ssStatus: Parameter is not primitive",
                                MAPParsingComponentExceptionReason.MistypedParameter);
                    this.ssStatus = new SSStatusImpl();
                    ((SSStatusImpl) this.ssStatus).decodeAll(ais);
                    break;
                default:
                    ais.advanceElement();
                    break;
                }
            } else {
                ais.advanceElement();
            }
        }
    }

    @Override
    public void encodeData(AsnOutputStream asnOs) throws MAPException {
        if (this.basicService != null)
            ((BasicServiceCodeImpl) this.basicService).encodeAll(asnOs);

        if (this.ssStatus != null)
            ((SSStatusImpl) this.ssStatus).encodeAll(asnOs, Tag.CLASS_CONTEXT_SPECIFIC, _ID_ssStatus);
    }

    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append(_PrimitiveName);
        sb.append(" [");

        if (this.basicService != null) {
            sb.append("basicService=");
            sb.append(this.basicService);
        }

        if (this.ssStatus != null) {
            sb.append(", ssStatus=");
            sb.append(this.ssStatus);
        }

        sb.append("]");
        return sb.toString();
    }

}