/*
 * Copyright © 2017 AT&T, 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.transportpce.pce.impl;

import com.google.common.util.concurrent.ListenableFuture;
import java.util.concurrent.ExecutionException;
import org.opendaylight.transportpce.pce.service.PathComputationService;
import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev220118.CancelResourceReserveInput;
import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev220118.CancelResourceReserveOutput;
import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev220118.PathComputationRequestInput;
import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev220118.PathComputationRequestOutput;
import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev220118.TransportpcePceService;
import org.opendaylight.yangtools.yang.common.RpcResult;
import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * PceService implementation.
 */
public class PceServiceRPCImpl implements TransportpcePceService {

    private static final Logger LOG = LoggerFactory.getLogger(PceServiceRPCImpl.class);

    private final PathComputationService pathComputationService;

    public PceServiceRPCImpl(PathComputationService pathComputationService) {
        this.pathComputationService = pathComputationService;
    }

    @Override
    public ListenableFuture<RpcResult<CancelResourceReserveOutput>>
            cancelResourceReserve(CancelResourceReserveInput input) {
        LOG.info("RPC cancelResourceReserve request received");
        CancelResourceReserveOutput output = null;
        try {
            output = this.pathComputationService.cancelResourceReserve(input).get();
        } catch (InterruptedException | ExecutionException e) {
            LOG.error("RPC cancelResourceReserve failed !", e);
        }
        return RpcResultBuilder.success(output).buildFuture();
    }

    @Override
    public ListenableFuture<RpcResult<PathComputationRequestOutput>>
            pathComputationRequest(PathComputationRequestInput input) {
        LOG.info("RPC path computation request received");
        PathComputationRequestOutput output = null;
        try {
            output = this.pathComputationService.pathComputationRequest(input).get();
        } catch (InterruptedException | ExecutionException e) {
            LOG.error("RPC path computation request failed !", e);
        }
        return RpcResultBuilder.success(output).buildFuture();
    }
}