/*
 * Copyright (c) 2016 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.openflowplugin.impl.services.batch;

import com.google.common.collect.Lists;
import java.util.Iterator;
import org.junit.Assert;
import org.junit.Test;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flat.batch.service.rev160321.ProcessFlatBatchOutput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flat.batch.service.rev160321.flat.batch.failure.ids.aug.FlatBatchFailureGroupIdCase;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flat.batch.service.rev160321.flat.batch.failure.ids.aug.FlatBatchFailureGroupIdCaseBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flat.batch.service.rev160321.flat.batch.group.crud._case.aug.flat.batch.add.group._case.FlatBatchAddGroup;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flat.batch.service.rev160321.flat.batch.group.crud._case.aug.flat.batch.add.group._case.FlatBatchAddGroupBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flat.batch.service.rev160321.flat.batch.group.crud._case.aug.flat.batch.remove.group._case.FlatBatchRemoveGroup;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flat.batch.service.rev160321.flat.batch.group.crud._case.aug.flat.batch.remove.group._case.FlatBatchRemoveGroupBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flat.batch.service.rev160321.flat.batch.group.crud._case.aug.flat.batch.update.group._case.FlatBatchUpdateGroup;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flat.batch.service.rev160321.flat.batch.group.crud._case.aug.flat.batch.update.group._case.FlatBatchUpdateGroupBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flat.batch.service.rev160321.process.flat.batch.output.BatchFailure;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flat.batch.service.rev160321.process.flat.batch.output.BatchFailureBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupId;
import org.opendaylight.yang.gen.v1.urn.opendaylight.groups.service.rev160315.AddGroupsBatchInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.groups.service.rev160315.AddGroupsBatchOutputBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.groups.service.rev160315.BatchGroupOutputListGrouping;
import org.opendaylight.yang.gen.v1.urn.opendaylight.groups.service.rev160315.RemoveGroupsBatchInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.groups.service.rev160315.UpdateGroupsBatchInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.groups.service.rev160315.add.groups.batch.input.BatchAddGroups;
import org.opendaylight.yang.gen.v1.urn.opendaylight.groups.service.rev160315.batch.group.input.update.grouping.OriginalBatchedGroupBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.groups.service.rev160315.batch.group.input.update.grouping.UpdatedBatchedGroupBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.groups.service.rev160315.batch.group.output.list.grouping.BatchFailedGroupsOutput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.groups.service.rev160315.batch.group.output.list.grouping.BatchFailedGroupsOutputBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.groups.service.rev160315.remove.groups.batch.input.BatchRemoveGroups;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
import org.opendaylight.yangtools.binding.util.BindingMap;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.opendaylight.yangtools.yang.common.ErrorType;
import org.opendaylight.yangtools.yang.common.RpcResult;
import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
import org.opendaylight.yangtools.yang.common.Uint16;
import org.opendaylight.yangtools.yang.common.Uint32;

/**
 * Test for {@link FlatBatchGroupAdapters}.
 */
public class FlatBatchGroupAdaptersTest {

    private static final NodeId NODE_ID = new NodeId("ut-node-id");
    private static final InstanceIdentifier<Node> NODE_II = InstanceIdentifier.create(Nodes.class)
            .child(Node.class, new NodeKey(NODE_ID));
    private static final NodeRef NODE_REF = new NodeRef(NODE_II.toIdentifier());

    @Test
    public void testAdaptFlatBatchAddGroup() {
        final BatchPlanStep planStep = new BatchPlanStep(BatchStepType.FLOW_ADD);
        planStep.setBarrierAfter(true);
        planStep.getTaskBag().addAll(Lists.newArrayList(
                createAddGroupBatch(Uint32.ONE),
                createAddGroupBatch(Uint32.TWO)));

        final AddGroupsBatchInput addGroupsBatchInput =
                FlatBatchGroupAdapters.adaptFlatBatchAddGroup(planStep, NODE_REF);
        Iterator<BatchAddGroups> iterator = addGroupsBatchInput.nonnullBatchAddGroups().values().iterator();

        Assert.assertTrue(addGroupsBatchInput.getBarrierAfter());
        Assert.assertEquals(2, addGroupsBatchInput.getBatchAddGroups().size());
        Assert.assertEquals(1L, iterator.next().getGroupId().getValue().longValue());
        Assert.assertEquals(2L, iterator.next().getGroupId().getValue().longValue());
    }

    private static FlatBatchAddGroup createAddGroupBatch(final Uint32 groupIdValue) {
        return new FlatBatchAddGroupBuilder()
                .setGroupId(new GroupId(groupIdValue))
                .setBatchOrder(groupIdValue.toUint16())
                .build();
    }

    private static FlatBatchRemoveGroup createRemoveGroupBatch(final Uint32 groupIdValue) {
        return new FlatBatchRemoveGroupBuilder()
                .setGroupId(new GroupId(groupIdValue))
                .setBatchOrder(groupIdValue.toUint16())
                .build();
    }

    private static FlatBatchUpdateGroup createUpdateGroupBatch(final Uint32 groupIdValue) {
        return new FlatBatchUpdateGroupBuilder()
                .setOriginalBatchedGroup(new OriginalBatchedGroupBuilder()
                        .setGroupId(new GroupId(groupIdValue))
                        .build())
                .setUpdatedBatchedGroup(new UpdatedBatchedGroupBuilder()
                        .setGroupId(new GroupId(groupIdValue))
                        .build())
                .setBatchOrder(groupIdValue.toUint16())
                .build();
    }

    @Test
    public void testAdaptFlatBatchRemoveGroup() {
        final BatchPlanStep planStep = new BatchPlanStep(BatchStepType.FLOW_REMOVE);
        planStep.setBarrierAfter(true);
        planStep.getTaskBag().addAll(Lists.newArrayList(
                createRemoveGroupBatch(Uint32.ONE),
                createRemoveGroupBatch(Uint32.TWO)));

        final RemoveGroupsBatchInput removeGroupsBatchInput =
                FlatBatchGroupAdapters.adaptFlatBatchRemoveGroup(planStep, NODE_REF);
        Iterator<BatchRemoveGroups> iterator = removeGroupsBatchInput.nonnullBatchRemoveGroups().values().iterator();

        Assert.assertTrue(removeGroupsBatchInput.getBarrierAfter());
        Assert.assertEquals(2, removeGroupsBatchInput.getBatchRemoveGroups().size());
        Assert.assertEquals(1L, iterator.next().getGroupId().getValue().longValue());
        Assert.assertEquals(2L, iterator.next().getGroupId().getValue().longValue());
    }

    @Test
    public void testAdaptFlatBatchUpdateGroup() {
        final BatchPlanStep planStep = new BatchPlanStep(BatchStepType.FLOW_UPDATE);
        planStep.setBarrierAfter(true);
        planStep.getTaskBag().addAll(Lists.newArrayList(
                createUpdateGroupBatch(Uint32.ONE),
                createUpdateGroupBatch(Uint32.TWO)));

        final UpdateGroupsBatchInput updateGroupsBatchInput =
                FlatBatchGroupAdapters.adaptFlatBatchUpdateGroup(planStep, NODE_REF);

        Assert.assertTrue(updateGroupsBatchInput.getBarrierAfter());
        Assert.assertEquals(2, updateGroupsBatchInput.getBatchUpdateGroups().size());
        Assert.assertEquals(1L, updateGroupsBatchInput.getBatchUpdateGroups().get(0)
                .getUpdatedBatchedGroup().getGroupId().getValue().longValue());
        Assert.assertEquals(2L, updateGroupsBatchInput.getBatchUpdateGroups().get(1)
                .getUpdatedBatchedGroup().getGroupId().getValue().longValue());
    }

    @Test
    public void testCreateBatchGroupChainingFunction_failures() {
        final RpcResult<BatchGroupOutputListGrouping> input = RpcResultBuilder.<BatchGroupOutputListGrouping>failed()
                .withError(ErrorType.APPLICATION, "ut-groupError")
                .withResult(new AddGroupsBatchOutputBuilder()
                        .setBatchFailedGroupsOutput(BindingMap.ordered(
                                createBatchFailedGroupsOutput(Uint16.ZERO, Uint32.ONE),
                                createBatchFailedGroupsOutput(Uint16.ONE, Uint32.TWO)
                        ))
                        .build())
                .build();

        final RpcResult<ProcessFlatBatchOutput> rpcResult = FlatBatchGroupAdapters
                .convertBatchGroupResult(3).apply(input);
        Iterator<BatchFailure> iterator = rpcResult.getResult().nonnullBatchFailure().values().iterator();

        Assert.assertFalse(rpcResult.isSuccessful());
        Assert.assertEquals(1, rpcResult.getErrors().size());
        Assert.assertEquals(2, rpcResult.getResult().nonnullBatchFailure().size());
        Assert.assertEquals(3, iterator.next().getBatchOrder().intValue());
        BatchFailure secondBatchFailure = iterator.next();
        Assert.assertEquals(4, secondBatchFailure.getBatchOrder().intValue());
        Assert.assertEquals(2L, ((FlatBatchFailureGroupIdCase) secondBatchFailure
                .getBatchItemIdChoice()).getGroupId().getValue().longValue());
    }

    @Test
    public void testCreateBatchGroupChainingFunction_successes() {
        final RpcResult<BatchGroupOutputListGrouping> input = RpcResultBuilder
                .<BatchGroupOutputListGrouping>success(new AddGroupsBatchOutputBuilder().build())
                .build();

        final RpcResult<ProcessFlatBatchOutput> rpcResult = FlatBatchGroupAdapters
                .convertBatchGroupResult(0).apply(input);

        Assert.assertTrue(rpcResult.isSuccessful());
        Assert.assertEquals(0, rpcResult.getErrors().size());
        Assert.assertEquals(0, rpcResult.getResult().nonnullBatchFailure().size());
    }

    private static BatchFailedGroupsOutput createBatchFailedGroupsOutput(final Uint16 batchOrder,
            final Uint32 groupIdValue) {
        return new BatchFailedGroupsOutputBuilder()
                .setGroupId(new GroupId(groupIdValue))
                .setBatchOrder(batchOrder)
                .build();
    }

    private static BatchFailure createChainFailure(final Uint16 batchOrder, final Uint32 groupIdValue) {
        return new BatchFailureBuilder()
                .setBatchOrder(batchOrder)
                .setBatchItemIdChoice(new FlatBatchFailureGroupIdCaseBuilder()
                        .setGroupId(new GroupId(groupIdValue))
                        .build())
                .build();
    }
}