/*
 * Copyright (c) 2016 Pantheon Technologies s.r.o. and others.  All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 */
package org.opendaylight.openflowplugin.impl.protocol.deserialization.match;

import io.netty.buffer.ByteBuf;
import org.opendaylight.openflowjava.protocol.impl.deserialization.match.OxmDeserializerHelper;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.MatchBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.arp.match.fields.ArpTargetHardwareAddressBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.Layer3Match;
import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._3.match.ArpMatch;
import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._3.match.ArpMatchBuilder;

public class ArpTargetHardwareAddressEntryDeserializer extends AbstractMatchEntryDeserializer {

    @Override
    public void deserializeEntry(ByteBuf message, MatchBuilder builder) {
        final boolean hasMask = processHeader(message);
        final Layer3Match layer3Match = builder.getLayer3Match();
        final ArpTargetHardwareAddressBuilder arpBuilder = new ArpTargetHardwareAddressBuilder()
                .setAddress(OxmDeserializerHelper.convertMacAddress(message));

        if (hasMask) {
            arpBuilder.setMask(OxmDeserializerHelper.convertMacAddress(message));
        }

        if (layer3Match == null) {
            builder.setLayer3Match(new ArpMatchBuilder()
                    .setArpTargetHardwareAddress(arpBuilder.build())
                    .build());
        } else if (layer3Match instanceof ArpMatch && ((ArpMatch) layer3Match).getArpTargetHardwareAddress() == null) {
            builder.setLayer3Match(new ArpMatchBuilder((ArpMatch) layer3Match)
                    .setArpTargetHardwareAddress(arpBuilder.build())
                    .build());
        } else {
            throwErrorOnMalformed(builder, "layer3Match", "arpTargetHardwareAddress");
        }
    }
}