/*-
 * ============LICENSE_START=======================================================
 *  Copyright (C) 2019 Nordix Foundation.
 * ================================================================================
 * 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.
 *
 * SPDX-License-Identifier: Apache-2.0
 * ============LICENSE_END=========================================================
 */
package org.onap.so.aaisimulator.service.providers;

import static org.onap.so.aaisimulator.utils.Constants.OWNING_ENTITY_CACHE;
import static org.onap.so.aaisimulator.utils.Constants.SERVICE_RESOURCE_TYPE;
import java.util.Optional;
import org.onap.aai.domain.yang.OwningEntity;
import org.onap.aai.domain.yang.Relationship;
import org.onap.aai.domain.yang.RelationshipList;
import org.onap.so.simulator.cache.provider.AbstractCacheServiceProvider;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.Cache;
import org.springframework.cache.CacheManager;
import org.springframework.stereotype.Service;

/**
 * @author waqas.ikram@ericsson.com
 *
 */
@Service
public class OwnEntityCacheServiceProviderImpl extends AbstractCacheServiceProvider
        implements OwnEntityCacheServiceProvider {

    private static final Logger LOGGER = LoggerFactory.getLogger(OwnEntityCacheServiceProviderImpl.class);
    private static final String RELATIONSHIPS_LABEL = "org.onap.relationships.inventory.BelongsTo";

    @Autowired
    public OwnEntityCacheServiceProviderImpl(final CacheManager cacheManager) {
        super(cacheManager);
    }

    @Override
    public void putOwningEntity(final String owningEntityId, final OwningEntity owningEntity) {
        LOGGER.info("Adding OwningEntity: {} with name to cache", owningEntityId, owningEntity);
        final Cache cache = getCache(OWNING_ENTITY_CACHE);
        cache.put(owningEntityId, owningEntity);
    }

    @Override
    public Optional<OwningEntity> getOwningEntity(final String owningEntityId) {
        LOGGER.info("getting OwningEntity from cache using key: {}", owningEntityId);
        final Cache cache = getCache(OWNING_ENTITY_CACHE);
        final OwningEntity value = cache.get(owningEntityId, OwningEntity.class);
        if (value != null) {
            return Optional.of(value);
        }
        return Optional.empty();
    }

    @Override
    public boolean putOwningEntityRelationShip(final String owningEntityId, final Relationship relationship) {
        final Cache cache = getCache(OWNING_ENTITY_CACHE);
        final OwningEntity value = cache.get(owningEntityId, OwningEntity.class);
        if (value != null) {
            RelationshipList relationshipList = value.getRelationshipList();
            if (relationshipList == null) {
                relationshipList = new RelationshipList();
                value.setRelationshipList(relationshipList);
            }

            if (relationship.getRelatedTo() == null) {
                relationship.setRelatedTo(SERVICE_RESOURCE_TYPE);
            }
            if (relationship.getRelationshipLabel() == null) {
                relationship.setRelationshipLabel(RELATIONSHIPS_LABEL);
            }

            return relationshipList.getRelationship().add(relationship);
        }
        LOGGER.error("OwningEntity not found in cache for {}", owningEntityId);
        return false;
    }

    @Override
    public void clearAll() {
        clearCahce(OWNING_ENTITY_CACHE);
    }

}