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/*
 * Copyright (c) 2016 Cisco and/or its affiliates.
 *
 * Licensed 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 io.fd.honeycomb.translate.v3po.vppstate;

import io.fd.honeycomb.translate.read.ReadContext;
import io.fd.honeycomb.translate.read.ReadFailedException;
import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
import io.fd.honeycomb.translate.v3po.util.FutureJVppCustomizer;
import io.fd.honeycomb.translate.v3po.util.TranslateUtils;
import java.util.concurrent.CompletionStage;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VppStateBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.state.Version;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.state.VersionBuilder;
import org.opendaylight.yangtools.concepts.Builder;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.openvpp.jvpp.VppBaseCallException;
import org.openvpp.jvpp.core.dto.ShowVersion;
import org.openvpp.jvpp.core.dto.ShowVersionReply;
import org.openvpp.jvpp.core.future.FutureJVppCore;

public final class VersionCustomizer
    extends FutureJVppCustomizer
    implements ReaderCustomizer<Version, VersionBuilder> {

    public VersionCustomizer(@Nonnull final FutureJVppCore futureJVppCore) {
        super(futureJVppCore);
    }

    @Override
    public void merge(@Nonnull final Builder<? extends DataObject> parentBuilder, @Nonnull final Version readValue) {
        ((VppStateBuilder) parentBuilder).setVersion(readValue);
    }

    @Nonnull
    @Override
    public VersionBuilder getBuilder(@Nonnull InstanceIdentifier<Version> id) {
        return new VersionBuilder();
    }

    @Override
    public void readCurrentAttributes(@Nonnull InstanceIdentifier<Version> id, @Nonnull final VersionBuilder builder,
                                      @Nonnull final ReadContext context) throws ReadFailedException {
        try {
            // Execute with timeout
            final CompletionStage<ShowVersionReply> showVersionFuture = getFutureJVpp().showVersion(new ShowVersion());
            final ShowVersionReply reply = TranslateUtils.getReplyForRead(showVersionFuture.toCompletableFuture(), id);

            builder.setBranch(TranslateUtils.toString(reply.version));
            builder.setName(TranslateUtils.toString(reply.program));
            builder.setBuildDate(TranslateUtils.toString(reply.buildDate));
            builder.setBuildDirectory(TranslateUtils.toString(reply.buildDirectory));
        } catch (VppBaseCallException e) {
            throw new ReadFailedException(id, e);
        }
    }

}