/*-
 * ============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.CacheName.GENERIC_VNF_CACHE;
import java.util.Optional;
import org.onap.aai.domain.yang.GenericVnf;
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 (waqas.ikram@est.tech)
 *
 */
@Service
public class GenericVnfCacheServiceProviderImpl extends AbstractCacheServiceProvider
        implements GenericVnfCacheServiceProvider {

    private static final Logger LOGGER = LoggerFactory.getLogger(GenericVnfCacheServiceProviderImpl.class);

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

    @Override
    public void putGenericVnf(final String vnfId, final GenericVnf genericVnf) {
        LOGGER.info("Adding customer: {} with key: {} in cache ...", genericVnf, vnfId);
        final Cache cache = getCache(GENERIC_VNF_CACHE.getName());
        cache.put(vnfId, genericVnf);
    }

    @Override
    public Optional<GenericVnf> getGenericVnf(final String vnfId) {
        LOGGER.info("getting GenericVnf from cache using key: {}", vnfId);
        final Cache cache = getCache(GENERIC_VNF_CACHE.getName());
        final GenericVnf value = cache.get(vnfId, GenericVnf.class);
        if (value != null) {
            return Optional.of(value);
        }
        LOGGER.error("Unable to find GenericVnf ...");
        return Optional.empty();
    }

    @Override
    public boolean addRelationShip(final String vnfId, final Relationship relationship) {
        final Optional<GenericVnf> optional = getGenericVnf(vnfId);
        if (optional.isPresent()) {
            GenericVnf genericVnf = optional.get();
            RelationshipList relationshipList = genericVnf.getRelationshipList();
            if (relationshipList == null) {
                relationshipList = new RelationshipList();
                genericVnf.setRelationshipList(relationshipList);
            }
            return relationshipList.getRelationship().add(relationship);
        }
        LOGGER.error("Unable to find GenericVnf ...");
        return false;
    }

    @Override
    public void clearAll() {
        clearCahce(GENERIC_VNF_CACHE.getName());
    }
}