/*-
 * ============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.ComponentManager;
import org.openecomp.sdc.vendorsoftwareproduct.ComponentManagerFactory;
import org.openecomp.sdc.vendorsoftwareproduct.NicManager;
import org.openecomp.sdc.vendorsoftwareproduct.NicManagerFactory;
import org.openecomp.sdc.vendorsoftwareproduct.dao.type.NicEntity;
import org.openecomp.sdc.vendorsoftwareproduct.types.CompositionEntityResponse;
import org.openecomp.sdc.vendorsoftwareproduct.types.QuestionnaireResponse;
import org.openecomp.sdc.vendorsoftwareproduct.types.composition.CompositionEntityValidationData;
import org.openecomp.sdc.vendorsoftwareproduct.types.composition.Nic;
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.NicCreationResponseDto;
import org.openecomp.sdcrests.vendorsoftwareproducts.types.NicDto;
import org.openecomp.sdcrests.vendorsoftwareproducts.types.NicRequestDto;
import org.openecomp.sdcrests.vendorsoftwareproducts.types.QuestionnaireResponseDto;
import org.openecomp.sdcrests.vsp.rest.Nics;
import org.openecomp.sdcrests.vsp.rest.mapping.MapCompositionEntityResponseToDto;
import org.openecomp.sdcrests.vsp.rest.mapping.MapCompositionEntityValidationDataToDto;
import org.openecomp.sdcrests.vsp.rest.mapping.MapNicEntityToNicCreationResponseDto;
import org.openecomp.sdcrests.vsp.rest.mapping.MapNicEntityToNicDto;
import org.openecomp.sdcrests.vsp.rest.mapping.MapNicRequestDtoToNicEntity;
import org.openecomp.sdcrests.vsp.rest.mapping.MapNicToNicDto;
import org.openecomp.sdcrests.vsp.rest.mapping.MapQuestionnaireResponseToQuestionnaireResponseDto;
import org.openecomp.sdcrests.wrappers.GenericCollectionWrapper;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Service;

@Named
@Service("nics")
@Scope(value = "prototype")
public class NicsImpl implements Nics {

    private final NicManager nicManager;
    private final ComponentManager componentManager;

    public NicsImpl() {
        this.nicManager = NicManagerFactory.getInstance().createInterface();
        this.componentManager = ComponentManagerFactory.getInstance().createInterface();
    }

    public NicsImpl(NicManager nicManager, ComponentManager componentManager) {
        this.nicManager = nicManager;
        this.componentManager = componentManager;
    }

    @Override
    public Response list(String vspId, String versionId, String componentId, String user) {
        Version vspVersion = new Version(versionId);
        componentManager.validateComponentExistence(vspId, vspVersion, componentId);
        Collection<NicEntity> nics = nicManager.listNics(vspId, vspVersion, componentId);
        MapNicEntityToNicDto mapper = new MapNicEntityToNicDto();
        GenericCollectionWrapper<NicDto> results = new GenericCollectionWrapper<>();
        for (NicEntity nic : nics) {
            results.add(mapper.applyMapping(nic, NicDto.class));
        }
        return Response.ok(results).build();
    }

    @Override
    public Response create(NicRequestDto request, String vspId, String versionId, String componentId, String user) {
        NicEntity nic = new MapNicRequestDtoToNicEntity().applyMapping(request, NicEntity.class);
        nic.setVspId(vspId);
        nic.setVersion(new Version(versionId));
        nic.setComponentId(componentId);
        componentManager.validateComponentExistence(vspId, nic.getVersion(), componentId);
        NicEntity createdNic = nicManager.createNic(nic);
        MapNicEntityToNicCreationResponseDto mapping = new MapNicEntityToNicCreationResponseDto();
        NicCreationResponseDto createdNicDto = mapping.applyMapping(createdNic, NicCreationResponseDto.class);
        return Response.ok(createdNic != null ? createdNicDto : null).build();
    }

    @Override
    public Response get(String vspId, String versionId, String componentId, String nicId, String user) {
        Version vspVersion = new Version(versionId);
        componentManager.validateComponentExistence(vspId, vspVersion, componentId);
        CompositionEntityResponse<Nic> response = nicManager.getNic(vspId, vspVersion, componentId, nicId);
        CompositionEntityResponseDto<NicDto> responseDto = new CompositionEntityResponseDto<>();
        new MapCompositionEntityResponseToDto<>(new MapNicToNicDto(), NicDto.class).doMapping(response, responseDto);
        return Response.ok(responseDto).build();
    }

    @Override
    public Response delete(String vspId, String versionId, String componentId, String nicId, String user) {
        Version vspVersion = new Version(versionId);
        componentManager.validateComponentExistence(vspId, vspVersion, componentId);
        nicManager.deleteNic(vspId, vspVersion, componentId, nicId);
        return Response.ok().build();
    }

    @Override
    public Response update(NicRequestDto request, String vspId, String versionId, String componentId, String nicId, String user) {
        NicEntity nicEntity = new MapNicRequestDtoToNicEntity().applyMapping(request, NicEntity.class);
        nicEntity.setVspId(vspId);
        nicEntity.setVersion(new Version(versionId));
        nicEntity.setComponentId(componentId);
        nicEntity.setId(nicId);
        componentManager.validateComponentExistence(vspId, nicEntity.getVersion(), componentId);
        CompositionEntityValidationData validationData = nicManager.updateNic(nicEntity);
        return validationData != null && CollectionUtils.isNotEmpty(validationData.getErrors()) ? Response.status(Response.Status.EXPECTATION_FAILED)
            .entity(new MapCompositionEntityValidationDataToDto().applyMapping(validationData, CompositionEntityValidationDataDto.class)).build()
            : Response.ok().build();
    }

    @Override
    public Response getQuestionnaire(String vspId, String versionId, String componentId, String nicId, String user) {
        Version vspVersion = new Version(versionId);
        componentManager.validateComponentExistence(vspId, vspVersion, componentId);
        QuestionnaireResponse questionnaireResponse = nicManager.getNicQuestionnaire(vspId, vspVersion, componentId, nicId);
        QuestionnaireResponseDto result = new MapQuestionnaireResponseToQuestionnaireResponseDto()
            .applyMapping(questionnaireResponse, QuestionnaireResponseDto.class);
        return Response.ok(result).build();
    }

    @Override
    public Response updateQuestionnaire(String questionnaireData, String vspId, String versionId, String componentId, String nicId, String user) {
        Version vspVersion = new Version(versionId);
        componentManager.validateComponentExistence(vspId, vspVersion, componentId);
        nicManager.updateNicQuestionnaire(vspId, vspVersion, componentId, nicId, questionnaireData);
        return Response.ok().build();
    }
}