/**
 * Copyright (c) 2014 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 test.mock;

import org.junit.Test;
import org.opendaylight.controller.frm.impl.ForwardingRulesManagerImpl;
import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.AddGroupInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.RemoveGroupInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.UpdateGroupInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupId;
import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.Group;
import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.GroupBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.GroupKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
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.yang.binding.InstanceIdentifier;
import test.mock.util.FRMTest;
import test.mock.util.RpcProviderRegistryMock;
import test.mock.util.SalGroupServiceMock;

import java.util.List;

import static org.junit.Assert.assertEquals;

public class GroupListenerTest extends FRMTest {
    RpcProviderRegistry rpcProviderRegistryMock = new RpcProviderRegistryMock();
    NodeKey s1Key = new NodeKey(new NodeId("S1"));

    @Test
    public void addTwoGroupsTest() throws Exception {
        ForwardingRulesManagerImpl forwardingRulesManager = new ForwardingRulesManagerImpl(getDataBroker(), rpcProviderRegistryMock);
        forwardingRulesManager.start();

        addFlowCapableNode(s1Key);

        GroupKey groupKey = new GroupKey(new GroupId((long) 255));
        InstanceIdentifier<Group> groupII = InstanceIdentifier.create(Nodes.class).child(Node.class, s1Key)
                .augmentation(FlowCapableNode.class).child(Group.class, groupKey);
        Group group = new GroupBuilder().setKey(groupKey).setGroupName("Group1").build();

        WriteTransaction writeTx = getDataBroker().newWriteOnlyTransaction();
        writeTx.put(LogicalDatastoreType.CONFIGURATION, groupII, group);
        assertCommit(writeTx.submit());
        SalGroupServiceMock salGroupService = (SalGroupServiceMock) forwardingRulesManager.getSalGroupService();
        List<AddGroupInput> addGroupCalls = salGroupService.getAddGroupCalls();
        assertEquals(1, addGroupCalls.size());
        assertEquals("DOM-0", addGroupCalls.get(0).getTransactionUri().getValue());

        groupKey = new GroupKey(new GroupId((long) 256));
        groupII = InstanceIdentifier.create(Nodes.class).child(Node.class, s1Key)
                .augmentation(FlowCapableNode.class).child(Group.class, groupKey);
        group = new GroupBuilder().setKey(groupKey).setGroupName("Group1").build();
        writeTx = getDataBroker().newWriteOnlyTransaction();
        writeTx.put(LogicalDatastoreType.CONFIGURATION, groupII, group);
        assertCommit(writeTx.submit());
        salGroupService = (SalGroupServiceMock) forwardingRulesManager.getSalGroupService();
        addGroupCalls = salGroupService.getAddGroupCalls();
        assertEquals(2, addGroupCalls.size());
        assertEquals("DOM-1", addGroupCalls.get(1).getTransactionUri().getValue());

        forwardingRulesManager.close();
    }

    @Test
    public void updateGroupTest() throws Exception {
        ForwardingRulesManagerImpl forwardingRulesManager = new ForwardingRulesManagerImpl(getDataBroker(), rpcProviderRegistryMock);
        forwardingRulesManager.start();

        addFlowCapableNode(s1Key);

        GroupKey groupKey = new GroupKey(new GroupId((long) 255));
        InstanceIdentifier<Group> groupII = InstanceIdentifier.create(Nodes.class).child(Node.class, s1Key)
                .augmentation(FlowCapableNode.class).child(Group.class, groupKey);
        Group group = new GroupBuilder().setKey(groupKey).setGroupName("Group1").build();

        WriteTransaction writeTx = getDataBroker().newWriteOnlyTransaction();
        writeTx.put(LogicalDatastoreType.CONFIGURATION, groupII, group);
        assertCommit(writeTx.submit());
        SalGroupServiceMock salGroupService = (SalGroupServiceMock) forwardingRulesManager.getSalGroupService();
        List<AddGroupInput> addGroupCalls = salGroupService.getAddGroupCalls();
        assertEquals(1, addGroupCalls.size());
        assertEquals("DOM-0", addGroupCalls.get(0).getTransactionUri().getValue());

        group = new GroupBuilder().setKey(groupKey).setGroupName("Group2").build();
        writeTx = getDataBroker().newWriteOnlyTransaction();
        writeTx.put(LogicalDatastoreType.CONFIGURATION, groupII, group);
        assertCommit(writeTx.submit());
        salGroupService = (SalGroupServiceMock) forwardingRulesManager.getSalGroupService();
        List<UpdateGroupInput> updateGroupCalls = salGroupService.getUpdateGroupCalls();
        assertEquals(1, updateGroupCalls.size());
        assertEquals("DOM-1", updateGroupCalls.get(0).getTransactionUri().getValue());

        forwardingRulesManager.close();
    }

    @Test
    public void removeGroupTest() throws Exception {
        ForwardingRulesManagerImpl forwardingRulesManager = new ForwardingRulesManagerImpl(getDataBroker(), rpcProviderRegistryMock);
        forwardingRulesManager.start();

        addFlowCapableNode(s1Key);

        GroupKey groupKey = new GroupKey(new GroupId((long) 255));
        InstanceIdentifier<Group> groupII = InstanceIdentifier.create(Nodes.class).child(Node.class, s1Key)
                .augmentation(FlowCapableNode.class).child(Group.class, groupKey);
        Group group = new GroupBuilder().setKey(groupKey).setGroupName("Group1").build();

        WriteTransaction writeTx = getDataBroker().newWriteOnlyTransaction();
        writeTx.put(LogicalDatastoreType.CONFIGURATION, groupII, group);
        assertCommit(writeTx.submit());
        SalGroupServiceMock salGroupService = (SalGroupServiceMock) forwardingRulesManager.getSalGroupService();
        List<AddGroupInput> addGroupCalls = salGroupService.getAddGroupCalls();
        assertEquals(1, addGroupCalls.size());
        assertEquals("DOM-0", addGroupCalls.get(0).getTransactionUri().getValue());

        writeTx = getDataBroker().newWriteOnlyTransaction();
        writeTx.delete(LogicalDatastoreType.CONFIGURATION, groupII);
        assertCommit(writeTx.submit());
        salGroupService = (SalGroupServiceMock) forwardingRulesManager.getSalGroupService();
        List<RemoveGroupInput> removeGroupCalls = salGroupService.getRemoveGroupCalls();
        assertEquals(1, removeGroupCalls.size());
        assertEquals("DOM-1", removeGroupCalls.get(0).getTransactionUri().getValue());

        forwardingRulesManager.close();
    }
}