/*
 * Copyright (c) 2017 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.hc2vpp.v3po.read.span;

import io.fd.hc2vpp.common.translate.util.NamingContext;
import io.fd.hc2vpp.v3po.read.InterfaceCustomizer;
import io.fd.honeycomb.translate.read.ReadContext;
import io.fd.honeycomb.translate.spi.read.Initialized;
import io.fd.honeycomb.translate.util.RWUtils;
import io.fd.jvpp.core.future.FutureJVppCore;
import java.util.Collections;
import java.util.Optional;
import java.util.stream.Collectors;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190527.VppInterfaceAugmentation;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190527.interfaces._interface.SpanBuilder;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190527.span.attributes.MirroredInterfaces;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190527.span.attributes.MirroredInterfacesBuilder;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190527.span.attributes.mirrored.interfaces.MirroredInterfaceBuilder;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190527.span.attributes.mirrored.interfaces.MirroredInterfaceKey;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.Interface;
import org.opendaylight.yangtools.concepts.Builder;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;

/**
 * Provides interface-specific logic to read/init port mirroring configuration
 */
public class InterfaceMirroredInterfacesCustomizer extends AbstractMirroredInterfacesCustomizer {

    public InterfaceMirroredInterfacesCustomizer(@Nonnull final FutureJVppCore futureJVppCore,
                                                 @Nonnull final NamingContext ifcContext) {
        super(futureJVppCore, ifcContext, id -> id.firstKeyOf(Interface.class).getName());
    }

    @Nonnull
    @Override
    public Initialized<? extends DataObject> init(@Nonnull final InstanceIdentifier<MirroredInterfaces> id,
                                                  @Nonnull final MirroredInterfaces readValue,
                                                  @Nonnull final ReadContext ctx) {
        final InstanceIdentifier<org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190527.span.attributes.MirroredInterfaces>
                cfgId =
                InterfaceCustomizer.getCfgId(RWUtils.cutId(id, Interface.class))
                        .augmentation(VppInterfaceAugmentation.class)
                        .child(org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190527.interfaces._interface.Span.class)
                        .child(org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190527.span.attributes.MirroredInterfaces.class);
        final org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190527.span.attributes.MirroredInterfaces
                cfgValue = new MirroredInterfacesBuilder()
                .setMirroredInterface(Optional.ofNullable(readValue.getMirroredInterface()).orElse(Collections.emptyList())
                        .stream()
                        .map(mirroredInterface -> new MirroredInterfaceBuilder()
                                .setState(mirroredInterface.getState())
                                .withKey(new MirroredInterfaceKey(mirroredInterface.key().getIfaceRef()))
                                .setIfaceRef(mirroredInterface.getIfaceRef())
                                .build())
                        .collect(Collectors.toList()))
                .build();
        return Initialized.create(cfgId, cfgValue);
    }

    @Override
    public void merge(@Nonnull Builder<? extends DataObject> builder, @Nonnull MirroredInterfaces mirroredInterfaces) {
        ((SpanBuilder) builder).setMirroredInterfaces(mirroredInterfaces);
    }
}