/*
 * Copyright © 2018 Orange 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.transportpce.renderer.utils;

import java.util.List;
import java.util.Optional;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import org.mockito.Mockito;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.controller.sal.binding.api.RpcConsumerRegistry;
import org.opendaylight.transportpce.common.Timeouts;
import org.opendaylight.transportpce.common.device.DeviceTransaction;
import org.opendaylight.transportpce.common.device.DeviceTransactionManager;
import org.opendaylight.transportpce.renderer.stub.MountPointStub;
import org.opendaylight.yang.gen.v1.http.org.openroadm.common.types.rev161014.OpticalControlMode;
import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.GetConnectionPortTrailOutput;
import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.GetConnectionPortTrailOutputBuilder;
import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.OrgOpenroadmDeviceService;
import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.connection.DestinationBuilder;
import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.connection.SourceBuilder;
import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.get.connection.port.trail.output.Ports;
import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.org.openroadm.device.container.OrgOpenroadmDevice;
import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.org.openroadm.device.container.org.openroadm.device.RoadmConnections;
import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.org.openroadm.device.container.org.openroadm.device.RoadmConnectionsBuilder;
import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.org.openroadm.device.container.org.openroadm.device.RoadmConnectionsKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.portmapping.rev170228.Network;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.portmapping.rev170228.network.Nodes;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.portmapping.rev170228.network.NodesKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.portmapping.rev170228.network.nodes.Mapping;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.portmapping.rev170228.network.nodes.MappingBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.portmapping.rev170228.network.nodes.MappingKey;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.opendaylight.yangtools.yang.common.RpcResult;
import org.opendaylight.yangtools.yang.common.RpcResultBuilder;

public final class MountPointUtils {

    public static MountPointStub getMountPoint(List<Ports> ports, DataBroker dataBroker) {
        RpcConsumerRegistry rpcConsumerRegistry = Mockito.spy(RpcConsumerRegistry.class);
        OrgOpenroadmDeviceService orgOpenroadmDeviceService = Mockito.spy(OrgOpenroadmDeviceService.class);
        GetConnectionPortTrailOutputBuilder getConnectionPortTrailOutputBuilder =
                new GetConnectionPortTrailOutputBuilder();
        getConnectionPortTrailOutputBuilder.setPorts(ports);
        RpcResultBuilder<GetConnectionPortTrailOutput> rpcResultBuilder =
                RpcResultBuilder.success(getConnectionPortTrailOutputBuilder.build());
        Future<RpcResult<GetConnectionPortTrailOutput>> rpcResultFuture =
                CompletableFuture.completedFuture(rpcResultBuilder.build());
        Mockito.doReturn(rpcResultFuture).when(orgOpenroadmDeviceService).getConnectionPortTrail(Mockito.any());
        Mockito.doReturn(orgOpenroadmDeviceService).when(rpcConsumerRegistry).getRpcService(Mockito.any());
        MountPointStub mountPoint = new MountPointStub(dataBroker);
        mountPoint.setRpcConsumerRegistry(rpcConsumerRegistry);
        return mountPoint;
    }

    public static boolean writeMapping(String nodeId, String logicalConnPoint,
                                       DeviceTransactionManager deviceTransactionManager) {
        try {
            MappingBuilder mappingBuilder = new MappingBuilder();
            mappingBuilder.setKey(new MappingKey(logicalConnPoint));
            mappingBuilder.setLogicalConnectionPoint(logicalConnPoint);
            mappingBuilder.setSupportingOms("OMS");
            mappingBuilder.setSupportingPort("8080");
            mappingBuilder.setSupportingCircuitPackName("circuit1");
            Future<Optional<DeviceTransaction>> deviceTxFuture =
                    deviceTransactionManager.getDeviceTransaction(nodeId);
            if (!deviceTxFuture.get().isPresent()) {
                return false;
            }
            InstanceIdentifier<Mapping> portMappingIID =
                    InstanceIdentifier.builder(Network.class).child(Nodes.class, new NodesKey(nodeId))
                            .child(Mapping.class, new MappingKey(logicalConnPoint)).build();
            DeviceTransaction deviceTx = deviceTxFuture.get().get();
            deviceTx.put(LogicalDatastoreType.CONFIGURATION, portMappingIID, mappingBuilder.build(), true);
            deviceTx.submit(Timeouts.DEVICE_WRITE_TIMEOUT, Timeouts.DEVICE_WRITE_TIMEOUT_UNIT).get();
        } catch (ExecutionException | InterruptedException e) {
            return false;
        }
        return true;
    }

    public static boolean writeConnection(String nodeId, String srcTp, String destTp, Long waveNumber,
                                       DeviceTransactionManager deviceTransactionManager) {
        try {
            RoadmConnectionsBuilder rdmConnBldr = new RoadmConnectionsBuilder();
            String connectionNumber = srcTp + "-" + destTp + "-" + waveNumber;
            rdmConnBldr.setConnectionNumber(connectionNumber);
            rdmConnBldr.setWavelengthNumber(waveNumber);
            rdmConnBldr.setOpticalControlMode(OpticalControlMode.Off);
            rdmConnBldr.setSource(new SourceBuilder().setSrcIf(srcTp + "-" + waveNumber.toString()).build());
            rdmConnBldr.setDestination(new DestinationBuilder().setDstIf(destTp + "-" + waveNumber.toString()).build());

            Future<Optional<DeviceTransaction>> deviceTxFuture =
                    deviceTransactionManager.getDeviceTransaction(nodeId);
            if (!deviceTxFuture.get().isPresent()) {
                return false;
            }
            DeviceTransaction deviceTx = deviceTxFuture.get().get();
            InstanceIdentifier<RoadmConnections> connectionID =
                    InstanceIdentifier.create(OrgOpenroadmDevice.class)
                            .child(RoadmConnections.class, new RoadmConnectionsKey(connectionNumber));
            deviceTx.put(LogicalDatastoreType.CONFIGURATION, connectionID, rdmConnBldr.build(), true);
            deviceTx.submit(Timeouts.DEVICE_WRITE_TIMEOUT, Timeouts.DEVICE_WRITE_TIMEOUT_UNIT).get();
        } catch (ExecutionException | InterruptedException e) {
            return false;
        }
        return true;
    }

    private MountPointUtils() {
    }

}