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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.sdc.be.components.impl;

import fj.data.Either;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.tuple.ImmutablePair;
import org.openecomp.sdc.be.dao.api.ActionStatus;
import org.openecomp.sdc.be.model.CapabilityTypeDefinition;
import org.openecomp.sdc.be.model.Model;
import org.openecomp.sdc.be.model.normatives.ElementTypeEnum;
import org.openecomp.sdc.be.model.operations.api.StorageOperationStatus;
import org.openecomp.sdc.be.model.operations.impl.CapabilityTypeOperation;
import org.openecomp.sdc.be.model.operations.impl.ModelOperation;
import org.openecomp.sdc.be.model.operations.impl.UniqueIdBuilder;
import org.openecomp.sdc.be.model.utils.TypeCompareUtils;
import org.openecomp.sdc.be.utils.TypeUtils;
import org.openecomp.sdc.common.log.wrappers.Logger;
import org.openecomp.sdc.exception.ResponseFormat;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

@Component("capabilityTypeImportManager")
public class CapabilityTypeImportManager {

    private static final Logger log = Logger.getLogger(CapabilityTypeImportManager.class.getName());
    private final CapabilityTypeOperation capabilityTypeOperation;
    private final CommonImportManager commonImportManager;
    private final ModelOperation modelOperation;

    @Autowired
    public CapabilityTypeImportManager(CapabilityTypeOperation capabilityTypeOperation, CommonImportManager commonImportManager,
                                       ModelOperation modelOperation) {
        this.capabilityTypeOperation = capabilityTypeOperation;
        this.commonImportManager = commonImportManager;
        this.modelOperation = modelOperation;
    }

    public Either<List<ImmutablePair<CapabilityTypeDefinition, Boolean>>, ResponseFormat> createCapabilityTypes(final String capabilityTypesYml,
                                                                                                                final String modelName,
                                                                                                                final boolean includeToModelDefaultImports) {
        final Either<List<ImmutablePair<CapabilityTypeDefinition, Boolean>>, ResponseFormat> elementTypes = commonImportManager.createElementTypes(
            capabilityTypesYml, capabilityTypesFromYml -> createCapabilityTypesFromYml(capabilityTypesYml, modelName),
            this::upsertCapabilityTypesByDao, ElementTypeEnum.CAPABILITY_TYPE);
        if (elementTypes.isLeft() && includeToModelDefaultImports && StringUtils.isNotEmpty(modelName)) {
            commonImportManager.addTypesToDefaultImports(ElementTypeEnum.CAPABILITY_TYPE, capabilityTypesYml, modelName);
        }
        return elementTypes;
    }

    private Either<List<CapabilityTypeDefinition>, ActionStatus> createCapabilityTypesFromYml(final String capabilityTypesYml,
                                                                                              final String modelName) {
        final Either<List<CapabilityTypeDefinition>, ActionStatus> capabilityTypes = commonImportManager.createElementTypesFromYml(capabilityTypesYml,
            this::createCapabilityType);
        if (capabilityTypes.isLeft() && StringUtils.isNotEmpty(modelName)) {
            final Optional<Model> modelOptional = modelOperation.findModelByName(modelName);
            if (modelOptional.isPresent()) {
                capabilityTypes.left().value().forEach(capabilityType -> capabilityType.setModel(modelName));
                return capabilityTypes;
            }
            return Either.right(ActionStatus.INVALID_MODEL);
        }
        return capabilityTypes;
    }

    private Either<List<ImmutablePair<CapabilityTypeDefinition, Boolean>>, ResponseFormat> upsertCapabilityTypesByDao(
        List<CapabilityTypeDefinition> capabilityTypesToCreate) {
        return commonImportManager.createElementTypesByDao(capabilityTypesToCreate, capabilityType -> Either.left(ActionStatus.OK),
            capabilityType -> new ImmutablePair<>(ElementTypeEnum.CAPABILITY_TYPE,
                UniqueIdBuilder.buildCapabilityTypeUid(capabilityType.getModel(), capabilityType.getType())),
            capabilityTypeOperation::getCapabilityType, capabilityTypeOperation::addCapabilityType, this::updateCapabilityType);
    }

    private Either<CapabilityTypeDefinition, StorageOperationStatus> updateCapabilityType(CapabilityTypeDefinition newCapabilityType,
                                                                                          CapabilityTypeDefinition oldCapabilityType) {
        Either<CapabilityTypeDefinition, StorageOperationStatus> validationRes = capabilityTypeOperation.validateUpdateProperties(newCapabilityType);
        if (validationRes.isRight()) {
            log.error("#updateCapabilityType - One or all properties of capability type {} not valid. status is {}", newCapabilityType,
                validationRes.right().value());
            return validationRes;
        }
        if (TypeCompareUtils.isCapabilityTypesEquals(newCapabilityType, oldCapabilityType)) {
            return TypeCompareUtils.typeAlreadyExists();
        }
        return capabilityTypeOperation.updateCapabilityType(newCapabilityType, oldCapabilityType);
    }

    private CapabilityTypeDefinition createCapabilityType(String capabilityTypeName, Map<String, Object> toscaJson) {
        CapabilityTypeDefinition capabilityType = new CapabilityTypeDefinition();
        capabilityType.setType(capabilityTypeName);
        // Description
        commonImportManager.setField(toscaJson, TypeUtils.ToscaTagNamesEnum.DESCRIPTION.getElementName(), capabilityType::setDescription);
        // Derived From
        commonImportManager.setField(toscaJson, TypeUtils.ToscaTagNamesEnum.DERIVED_FROM.getElementName(), capabilityType::setDerivedFrom);
        // Properties
        commonImportManager.setPropertiesMap(toscaJson, capabilityType::setProperties);
        return capabilityType;
    }
}