/*-
 * ============LICENSE_START=======================================================
 * ONAP CLAMP
 * ================================================================================
 * Copyright (C) 2020 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.onap.clamp.policy.downloader;

import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;

import java.time.Instant;

import org.onap.clamp.clds.client.PolicyEngineServices;
import org.onap.clamp.loop.template.PolicyModelsRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Profile;
import org.springframework.scheduling.annotation.Scheduled;

/**
 * This class implements a periodic job that is done in the background to
 * synchronize policy models available on the policy engine and the clamp
 * database table PolicyModel.
 */
@Configuration
@Profile("clamp-policy-controller")
public class PolicyEngineController {

    protected static final EELFLogger logger = EELFManager.getInstance().getLogger(PolicyEngineController.class);
    protected static final EELFLogger auditLogger = EELFManager.getInstance().getAuditLogger();
    protected static final EELFLogger metricsLogger = EELFManager.getInstance().getMetricsLogger();
    public static final String POLICY_RETRY_INTERVAL = "policy.retry.interval";
    public static final String POLICY_RETRY_LIMIT = "policy.retry.limit";

    private final PolicyEngineServices policyEngineServices;

    private Instant lastInstantExecuted;

    @Autowired
    public PolicyEngineController(PolicyEngineServices policyEngineService,
                                  PolicyModelsRepository policyModelsRepository) {
        this.policyEngineServices = policyEngineService;
    }

    @Scheduled(fixedRate = 120000)
    public synchronized void synchronizeAllPolicies() {
        policyEngineServices.synchronizeAllPolicies();
        lastInstantExecuted = Instant.now();
    }

    public Instant getLastInstantExecuted() {
        return lastInstantExecuted;
    }


}