/*
 * Copyright (c) 2014 Cisco Systems, Inc. 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.protocol.pcep.parser.object;

import static com.google.common.base.Preconditions.checkArgument;
import static org.opendaylight.protocol.pcep.spi.VendorInformationUtil.VENDOR_INFORMATION_OBJECT_CLASS;
import static org.opendaylight.protocol.pcep.spi.VendorInformationUtil.VENDOR_INFORMATION_OBJECT_TYPE;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import org.opendaylight.protocol.pcep.spi.CommonObjectParser;
import org.opendaylight.protocol.pcep.spi.EnterpriseSpecificInformationParser;
import org.opendaylight.protocol.pcep.spi.ObjectSerializer;
import org.opendaylight.protocol.pcep.spi.ObjectUtil;
import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.iana.rev130816.EnterpriseNumber;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.Object;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.ObjectHeader;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.vendor.information.objects.VendorInformationObject;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.vendor.information.objects.VendorInformationObjectBuilder;
import org.opendaylight.yangtools.yang.common.netty.ByteBufUtils;

public abstract class AbstractVendorInformationObjectParser extends CommonObjectParser
        implements ObjectSerializer, EnterpriseSpecificInformationParser {
    public AbstractVendorInformationObjectParser(final int objectClass, final int objectType) {
        super(objectClass, objectType);
    }

    @Override
    public final Object parseObject(final ObjectHeader header, final ByteBuf buffer) throws PCEPDeserializerException {
        checkArgument(buffer != null && buffer.isReadable(), "Array of bytes is mandatory. Can't be null or empty.");
        return new VendorInformationObjectBuilder()
                .setEnterpriseNumber(new EnterpriseNumber(getEnterpriseNumber()))
                .setEnterpriseSpecificInformation(parseEnterpriseSpecificInformation(buffer))
                .build();
    }

    @Override
    public final void serializeObject(final Object object, final ByteBuf buffer) {
        checkArgument(object instanceof VendorInformationObject,
                "Wrong instance of PCEPObject. Passed %s. Needed VendorInformationObject.", object.getClass());
        final ByteBuf body = Unpooled.buffer();
        ByteBufUtils.write(body, getEnterpriseNumber().getValue());
        serializeEnterpriseSpecificInformation(((VendorInformationObject) object).getEnterpriseSpecificInformation(),
                body);
        ObjectUtil.formatSubobject(VENDOR_INFORMATION_OBJECT_TYPE, VENDOR_INFORMATION_OBJECT_CLASS,
                object.getProcessingRule(), object.getIgnore(), body, buffer);
    }
}