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/*-
 * ============LICENSE_START=======================================================
 * SDC
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * 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.
 * ============LICENSE_END=========================================================
 */
package org.openecomp.sdcrests.vsp.rest.services;

import java.util.Collection;
import javax.inject.Named;
import javax.ws.rs.core.Response;
import org.apache.commons.collections4.CollectionUtils;
import org.openecomp.sdc.vendorsoftwareproduct.NetworkManager;
import org.openecomp.sdc.vendorsoftwareproduct.NetworkManagerFactory;
import org.openecomp.sdc.vendorsoftwareproduct.dao.type.NetworkEntity;
import org.openecomp.sdc.vendorsoftwareproduct.types.CompositionEntityResponse;
import org.openecomp.sdc.vendorsoftwareproduct.types.composition.CompositionEntityValidationData;
import org.openecomp.sdc.vendorsoftwareproduct.types.composition.Network;
import org.openecomp.sdc.versioning.dao.types.Version;
import org.openecomp.sdcrests.vendorsoftwareproducts.types.CompositionEntityResponseDto;
import org.openecomp.sdcrests.vendorsoftwareproducts.types.CompositionEntityValidationDataDto;
import org.openecomp.sdcrests.vendorsoftwareproducts.types.NetworkDto;
import org.openecomp.sdcrests.vendorsoftwareproducts.types.NetworkRequestDto;
import org.openecomp.sdcrests.vsp.rest.Networks;
import org.openecomp.sdcrests.vsp.rest.mapping.MapCompositionEntityResponseToDto;
import org.openecomp.sdcrests.vsp.rest.mapping.MapCompositionEntityValidationDataToDto;
import org.openecomp.sdcrests.vsp.rest.mapping.MapNetworkEntityToNetworkDto;
import org.openecomp.sdcrests.vsp.rest.mapping.MapNetworkRequestDtoToNetworkEntity;
import org.openecomp.sdcrests.vsp.rest.mapping.MapNetworkToNetworkDto;
import org.openecomp.sdcrests.wrappers.GenericCollectionWrapper;
import org.openecomp.sdcrests.wrappers.StringWrapperResponse;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Service;

@Named
@Service("networks")
@Scope(value = "prototype")
public class NetworksImpl implements Networks {

    private final NetworkManager networkManager;

    public NetworksImpl(NetworkManager networkManager) {
        this.networkManager = networkManager;
    }

    public NetworksImpl() {
        this(NetworkManagerFactory.getInstance().createInterface());
    }

    @Override
    public Response list(String vspId, String versionId, String user) {
        Collection<NetworkEntity> networks = networkManager.listNetworks(vspId, new Version(versionId));
        MapNetworkEntityToNetworkDto mapper = new MapNetworkEntityToNetworkDto();
        GenericCollectionWrapper<NetworkDto> results = new GenericCollectionWrapper<>();
        for (NetworkEntity network : networks) {
            results.add(mapper.applyMapping(network, NetworkDto.class));
        }
        return Response.ok(results).build();
    }

    @Override
    public Response create(NetworkRequestDto request, String vspId, String versionId, String user) {
        NetworkEntity network = new MapNetworkRequestDtoToNetworkEntity().applyMapping(request, NetworkEntity.class);
        network.setVspId(vspId);
        network.setVersion(new Version(versionId));
        NetworkEntity createdNetwork = networkManager.createNetwork(network);
        return Response.ok(createdNetwork != null ? new StringWrapperResponse(createdNetwork.getId()) : null).build();
    }

    @Override
    public Response get(String vspId, String versionId, String networkId, String user) {
        CompositionEntityResponse<Network> response = networkManager.getNetwork(vspId, new Version(versionId), networkId);
        CompositionEntityResponseDto<NetworkDto> responseDto = new CompositionEntityResponseDto<>();
        new MapCompositionEntityResponseToDto<>(new MapNetworkToNetworkDto(), NetworkDto.class).doMapping(response, responseDto);
        return Response.ok(responseDto).build();
    }

    @Override
    public Response delete(String vspId, String versionId, String networkId, String user) {
        networkManager.deleteNetwork(vspId, new Version(versionId), networkId);
        return Response.ok().build();
    }

    @Override
    public Response update(NetworkRequestDto request, String vspId, String versionId, String networkId, String user) {
        NetworkEntity networkEntity = new MapNetworkRequestDtoToNetworkEntity().applyMapping(request, NetworkEntity.class);
        networkEntity.setVspId(vspId);
        networkEntity.setVersion(new Version(versionId));
        networkEntity.setId(networkId);
        CompositionEntityValidationData validationData = networkManager.updateNetwork(networkEntity);
        return validationData != null && CollectionUtils.isNotEmpty(validationData.getErrors()) ? Response.status(Response.Status.EXPECTATION_FAILED)
            .entity(new MapCompositionEntityValidationDataToDto().applyMapping(validationData, CompositionEntityValidationDataDto.class)).build()
            : Response.ok().build();
    }
}