/**
 * Created by eranjsu on 28-Dec-15.
 */
package org.opendaylight.vpnservice.interfacemgr.test;

import com.google.common.base.Optional;
import com.google.common.util.concurrent.Futures;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.runners.MockitoJUnitRunner;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.vpnservice.interfacemgr.IfmConstants;
import org.opendaylight.vpnservice.interfacemgr.IfmUtil;
import org.opendaylight.vpnservice.interfacemgr.commons.InterfaceManagerCommonUtils;
import org.opendaylight.vpnservice.interfacemgr.commons.InterfaceMetaUtils;
import org.opendaylight.vpnservice.interfacemgr.renderer.ovs.statehelpers.*;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.MacAddress;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnectorBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.flow.capable.port.StateBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.*;
import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.*;
import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.IfIndexesInterfaceMap;
import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._if.indexes._interface.map.IfIndexInterface;
import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._if.indexes._interface.map.IfIndexInterfaceKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info.InterfaceParentEntry;
import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info.InterfaceParentEntryKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge._interface.info.BridgeEntry;
import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge._interface.info.BridgeEntryKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge._interface.info.bridge.entry.BridgeInterfaceEntry;
import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge._interface.info.bridge.entry.BridgeInterfaceEntryBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge._interface.info.bridge.entry.BridgeInterfaceEntryKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge.ref.info.BridgeRefEntry;
import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge.ref.info.BridgeRefEntryBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge.ref.info.BridgeRefEntryKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.ParentRefs;
import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.TunnelTypeGre;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeBuilder;
import org.opendaylight.yangtools.concepts.ListenerRegistration;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.opendaylight.yangtools.yang.common.RpcResult;
import org.opendaylight.yangtools.yang.common.RpcResultBuilder;

import javax.swing.plaf.nimbus.State;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Future;

import static org.mockito.Mockito.*;


@RunWith(MockitoJUnitRunner.class)
public class TopologyStateInterfaceTest {

    BigInteger dpId = BigInteger.valueOf(1);
    InstanceIdentifier<OvsdbBridgeAugmentation>bridgeIid = null;
    InstanceIdentifier<BridgeEntry> bridgeEntryIid = null;
    OvsdbBridgeAugmentation bridgeNew;
    OvsdbBridgeAugmentation bridgeOld;
    BridgeEntry bridgeEntry = null;
    ParentRefs parentRefs = null;
    InstanceIdentifier<Interface> interfaceInstanceIdentifier = null;
    Interface tunnelInterfaceEnabled = null;
    BridgeInterfaceEntry bridgeInterfaceEntry;
    BridgeInterfaceEntryKey bridgeInterfaceEntryKey;

    @Mock DataBroker dataBroker;
    @Mock ListenerRegistration<DataChangeListener> dataChangeListenerRegistration;
    @Mock ReadOnlyTransaction mockReadTx;
    @Mock WriteTransaction mockWriteTx;

    OvsInterfaceTopologyStateAddHelper addHelper;
    OvsInterfaceTopologyStateRemoveHelper removeHelper;

    @Before
    public void setUp() throws Exception {
        when(dataBroker.registerDataChangeListener(
                any(LogicalDatastoreType.class),
                any(InstanceIdentifier.class),
                any(DataChangeListener.class),
                any(DataChangeScope.class)))
                .thenReturn(dataChangeListenerRegistration);
        setupMocks();
    }

    private void setupMocks()
    {
        Node node = new NodeBuilder().setKey(null).setNodeId(null).build();
        tunnelInterfaceEnabled = InterfaceManagerTestUtil.buildTunnelInterface(dpId, InterfaceManagerTestUtil.tunnelInterfaceName, "Test Interface1", true, TunnelTypeGre.class
                , "192.168.56.101", "192.168.56.102");
        bridgeIid = InterfaceManagerTestUtil.getOvsdbAugmentationInstanceIdentifier(InterfaceManagerTestUtil.interfaceName, node);
        bridgeNew = InterfaceManagerTestUtil.getOvsdbBridgeRef("s1");
        bridgeOld = InterfaceManagerTestUtil.getOvsdbBridgeRef("s1");
        bridgeEntryIid = InterfaceMetaUtils.getBridgeEntryIdentifier(new BridgeEntryKey(dpId));
        interfaceInstanceIdentifier = IfmUtil.buildId(InterfaceManagerTestUtil.tunnelInterfaceName);
        bridgeInterfaceEntryKey = new BridgeInterfaceEntryKey(InterfaceManagerTestUtil.tunnelInterfaceName);
        bridgeInterfaceEntry =
                new BridgeInterfaceEntryBuilder().setKey(bridgeInterfaceEntryKey)
                        .setInterfaceName(tunnelInterfaceEnabled.getName()).build();
        bridgeEntry = InterfaceManagerTestUtil.buildBridgeEntry(dpId, bridgeInterfaceEntry);

        when(dataBroker.newReadOnlyTransaction()).thenReturn(mockReadTx);
        when(dataBroker.newWriteOnlyTransaction()).thenReturn(mockWriteTx);
    }

    @Test
    public void testAddTopologyStateInterface()
    {
        Optional<OvsdbBridgeAugmentation>expectedOvsdbBridgeAugmentation = Optional.of(bridgeNew);
        Optional<BridgeEntry> expectedBridgeEntry = Optional.of(bridgeEntry);
        Optional<Interface> expectedInterface = Optional.of(tunnelInterfaceEnabled);

        doReturn(Futures.immediateCheckedFuture(expectedInterface)).when(mockReadTx).read(
                LogicalDatastoreType.CONFIGURATION, interfaceInstanceIdentifier);
        doReturn(Futures.immediateCheckedFuture(expectedBridgeEntry)).when(mockReadTx).read(
                LogicalDatastoreType.CONFIGURATION,bridgeEntryIid);
        doReturn(Futures.immediateCheckedFuture(expectedOvsdbBridgeAugmentation)).when(mockReadTx).read(
                LogicalDatastoreType.OPERATIONAL, bridgeIid);

        OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentation = new OvsdbBridgeAugmentationBuilder(bridgeNew);
        ovsdbBridgeAugmentation.setDatapathId(DatapathId.getDefaultInstance("00:00:00:00:00:00:00:01"));
        ovsdbBridgeAugmentation.setBridgeName(OvsdbBridgeName.getDefaultInstance("a"));
        bridgeNew = ovsdbBridgeAugmentation.build();

        addHelper.addPortToBridge(bridgeIid,bridgeNew,dataBroker);

        BigInteger ovsdbDpId = BigInteger.valueOf(1);
        BridgeRefEntryKey bridgeRefEntryKey = new BridgeRefEntryKey(ovsdbDpId);
        InstanceIdentifier<BridgeRefEntry> bridgeEntryId =
                InterfaceMetaUtils.getBridgeRefEntryIdentifier(bridgeRefEntryKey);
        BridgeRefEntryBuilder tunnelDpnBridgeEntryBuilder =
                new BridgeRefEntryBuilder().setKey(bridgeRefEntryKey).setDpid(ovsdbDpId)
                        .setBridgeReference(new OvsdbBridgeRef(bridgeIid));

        verify(mockWriteTx).put(LogicalDatastoreType.OPERATIONAL, bridgeEntryId, tunnelDpnBridgeEntryBuilder.build(), true);
    }

    @Test
    public void testDeleteTopologyStateInterface()
    {
        OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentation = new OvsdbBridgeAugmentationBuilder(bridgeOld);
        ovsdbBridgeAugmentation.setDatapathId(DatapathId.getDefaultInstance("00:00:00:00:00:00:00:01"));
        ovsdbBridgeAugmentation.setBridgeName(OvsdbBridgeName.getDefaultInstance("b"));
        bridgeOld = ovsdbBridgeAugmentation.build();

        removeHelper.removePortFromBridge(bridgeIid,bridgeOld,dataBroker);

        BigInteger ovsdbDpId = BigInteger.valueOf(1);
        BridgeRefEntryKey bridgeRefEntryKey = new BridgeRefEntryKey(ovsdbDpId);
        InstanceIdentifier<BridgeRefEntry> bridgeEntryId =
                InterfaceMetaUtils.getBridgeRefEntryIdentifier(bridgeRefEntryKey);

        verify(mockWriteTx).delete(LogicalDatastoreType.OPERATIONAL,bridgeEntryId);
    }
}