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/*
 * Copyright © 2016-2018 European Support Limited
 *
 * 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 org.openecomp.sdc.translator.services.heattotosca.impl.unifiedcomposition;

import java.util.List;
import java.util.Optional;
import org.apache.commons.collections4.CollectionUtils;
import org.onap.sdc.tosca.datatypes.model.ServiceTemplate;
import org.openecomp.sdc.translator.datatypes.heattotosca.TranslationContext;
import org.openecomp.sdc.translator.datatypes.heattotosca.unifiedmodel.composition.UnifiedCompositionData;
import org.openecomp.sdc.translator.services.heattotosca.UnifiedComposition;
import org.openecomp.sdc.translator.services.heattotosca.UnifiedCompositionService;

public class UnifiedCompositionScalingInstances implements UnifiedComposition {

    private UnifiedCompositionService unifiedCompositionService = new UnifiedCompositionService();

    @Override
    public void createUnifiedComposition(ServiceTemplate serviceTemplate, ServiceTemplate nestedServiceTemplate,
                                         List<UnifiedCompositionData> unifiedCompositionDataList, TranslationContext context) {
        if (CollectionUtils.isEmpty(unifiedCompositionDataList) || context.isUnifiedHandledServiceTemplate(serviceTemplate)) {
            return;
        }
        unifiedCompositionService.handleComplexVfcType(serviceTemplate, context);
        String substitutionNodeTypeId = unifiedCompositionService
            .getSubstitutionNodeTypeId(serviceTemplate, unifiedCompositionDataList.get(0), null, context);
        Optional<ServiceTemplate> substitutionServiceTemplate = unifiedCompositionService
            .createUnifiedSubstitutionServiceTemplate(serviceTemplate, unifiedCompositionDataList, context, substitutionNodeTypeId, null);
        if (!substitutionServiceTemplate.isPresent()) {
            return;
        }
        String abstractSubstituteNodeTemplateId = unifiedCompositionService
            .createAbstractSubstituteNodeTemplate(serviceTemplate, substitutionServiceTemplate.get(), unifiedCompositionDataList,
                substitutionNodeTypeId, context, null);
        unifiedCompositionService.createVfcInstanceGroup(abstractSubstituteNodeTemplateId, serviceTemplate, unifiedCompositionDataList, context);
        unifiedCompositionService.updateCompositionConnectivity(serviceTemplate, unifiedCompositionDataList, context);
        unifiedCompositionService.cleanUnifiedCompositionEntities(serviceTemplate, unifiedCompositionDataList, context);
        unifiedCompositionService.cleanNodeTypes(serviceTemplate, unifiedCompositionDataList, context);
        unifiedCompositionService.updateSubstitutionNodeTypePrefix(substitutionServiceTemplate.get());
    }
}