/*
 * Copyright (c) 2016 Cisco and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.fd.honeycomb.nat.read.ifc;


import io.fd.honeycomb.translate.impl.read.GenericReader;
import io.fd.honeycomb.translate.read.ReaderFactory;
import io.fd.honeycomb.translate.read.registry.ModifiableReaderRegistryBuilder;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev161214.NatInterfaceStateAugmentation;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev161214.NatInterfaceStateAugmentationBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev161214._interface.nat.attributes.Nat;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev161214._interface.nat.attributes.NatBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev161214._interface.nat.attributes.nat.Inbound;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev161214._interface.nat.attributes.nat.Outbound;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;

/**
 * Factory producing readers for nat plugin's data.
 */
public final class IfcNatReaderFactory implements ReaderFactory {

    private static final InstanceIdentifier<Interface>
            IFC_ID = InstanceIdentifier.create(InterfacesState.class).child(Interface.class);
    private static final InstanceIdentifier<NatInterfaceStateAugmentation> NAT_AUG_ID =
            IFC_ID.augmentation(NatInterfaceStateAugmentation.class);
    private static final InstanceIdentifier<Nat> NAT_AUG_CONTAINER_ID = NAT_AUG_ID.child(Nat.class);

    @Override
    public void init(@Nonnull final ModifiableReaderRegistryBuilder registry) {
        registry.addStructuralReader(NAT_AUG_ID, NatInterfaceStateAugmentationBuilder.class);
        registry.addStructuralReader(NAT_AUG_CONTAINER_ID, NatBuilder.class);

        registry.addAfter(
                new GenericReader<>(NAT_AUG_CONTAINER_ID.child(Inbound.class), new InterfaceInboundNatCustomizer()), IFC_ID);
        registry.addAfter(
                new GenericReader<>(NAT_AUG_CONTAINER_ID.child(Outbound.class), new InterfaceOutboundNatCustomizer()), IFC_ID);
    }
}