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/*
 * Copyright (c) 2015 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.lisp.translate.write;

import static com.google.common.base.Preconditions.checkNotNull;
import static java.nio.charset.StandardCharsets.UTF_8;

import io.fd.honeycomb.translate.spi.write.WriterCustomizer;
import io.fd.honeycomb.translate.v3po.util.FutureJVppCustomizer;
import io.fd.honeycomb.translate.v3po.util.TranslateUtils;
import io.fd.honeycomb.translate.write.WriteContext;
import io.fd.honeycomb.translate.write.WriteFailedException;
import java.nio.charset.StandardCharsets;
import java.util.concurrent.TimeoutException;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.pitr.cfg.grouping.PitrCfg;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.openvpp.jvpp.VppBaseCallException;
import org.openvpp.jvpp.core.dto.LispPitrSetLocatorSet;
import org.openvpp.jvpp.core.future.FutureJVppCore;


/**
 * Customizer for {@code PitrCfg}
 */
public class PitrCfgCustomizer extends FutureJVppCustomizer implements WriterCustomizer<PitrCfg> {

    public PitrCfgCustomizer(FutureJVppCore futureJvpp) {
        super(futureJvpp);
    }

    @Override
    public void writeCurrentAttributes(InstanceIdentifier<PitrCfg> id, PitrCfg dataAfter, WriteContext writeContext)
            throws WriteFailedException {
        checkNotNull(dataAfter, "PitrCfg is null");
        checkNotNull(dataAfter.getLocatorSet(), "Locator set name is null");

        try {
            addDelPitrSetLocatorSetAndReply(true, dataAfter);
        } catch (VppBaseCallException | TimeoutException e) {
            throw new WriteFailedException.CreateFailedException(id, dataAfter, e);
        }
    }

    @Override
    public void updateCurrentAttributes(InstanceIdentifier<PitrCfg> id, PitrCfg dataBefore, PitrCfg dataAfter,
                                        WriteContext writeContext) throws WriteFailedException {
        checkNotNull(dataAfter, "PitrCfg is null");
        checkNotNull(dataAfter.getLocatorSet(), "Locator set name is null");

        try {
            addDelPitrSetLocatorSetAndReply(true, dataAfter);
        } catch (VppBaseCallException | TimeoutException e) {
            throw new WriteFailedException.CreateFailedException(id, dataAfter, e);
        }
    }

    @Override
    public void deleteCurrentAttributes(InstanceIdentifier<PitrCfg> id, PitrCfg dataBefore, WriteContext writeContext)
            throws WriteFailedException {
        checkNotNull(dataBefore, "PitrCfg is null");
        checkNotNull(dataBefore.getLocatorSet(), "Locator set name is null");

        try {
            addDelPitrSetLocatorSetAndReply(false, dataBefore);
        } catch (VppBaseCallException | TimeoutException e) {
            throw new WriteFailedException.CreateFailedException(id, dataBefore, e);
        }
    }

    private void addDelPitrSetLocatorSetAndReply(boolean add, PitrCfg data)
            throws VppBaseCallException, TimeoutException {

        LispPitrSetLocatorSet request = new LispPitrSetLocatorSet();
        request.isAdd = TranslateUtils.booleanToByte(add);
        request.lsName = data.getLocatorSet().getBytes(UTF_8);

        TranslateUtils.getReply(getFutureJVpp().lispPitrSetLocatorSet(request).toCompletableFuture());
    }

}