/*
 * ============LICENSE_START=======================================================
 * ONAP : ccsdk features
 * ================================================================================
 * Copyright (C) 2020 highstreet technologies GmbH 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.ccsdk.features.sdnr.wt.devicemanager.openroadm.impl;

import org.onap.ccsdk.features.sdnr.wt.common.database.HtDatabaseClient;
import org.onap.ccsdk.features.sdnr.wt.devicemanager.ne.factory.FactoryRegistration;
import org.onap.ccsdk.features.sdnr.wt.devicemanager.service.NetconfNetworkElementService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @author Shabnam Sultana
 *
 *         Class to initialize the OpenRoadm Device Manager
 **/
public class DeviceManagerOpenroadmImpl implements AutoCloseable {

    // variables
    private static final Logger LOG = LoggerFactory.getLogger(DeviceManagerOpenroadmImpl.class);
    private static final String APPLICATION_NAME = "DeviceManagerOpenRoadm";
    @SuppressWarnings("unused")
    private static final String CONFIGURATIONFILE = "etc/devicemanager-opeenroadm.properties";
    private NetconfNetworkElementService netconfNetworkElementService;
    private HtDatabaseClient htDatabaseClient;
    private Boolean devicemanagerInitializationOk = false;
    private FactoryRegistration<OpenroadmNetworkElementFactory> resOpenRoadm;
    // end of variables

    // Blueprint begin
    // constructors
    public DeviceManagerOpenroadmImpl() {
        LOG.info("Creating provider for {}", APPLICATION_NAME);
        resOpenRoadm = null;
    }
    // end of constructors

    // public methods
    public void setNetconfNetworkElementService(NetconfNetworkElementService netconfNetworkElementService) {
        this.netconfNetworkElementService = netconfNetworkElementService;
    }

    public void init() throws Exception {

        LOG.info("Session Initiated start {}", APPLICATION_NAME);

        resOpenRoadm = netconfNetworkElementService.registerNetworkElementFactory(new OpenroadmNetworkElementFactory());


        netconfNetworkElementService.writeToEventLog(APPLICATION_NAME, "startup", "done");
        this.devicemanagerInitializationOk = true;

        LOG.info("Session Initiated end. Initialization done {}", devicemanagerInitializationOk);
    }
    // Blueprint end

    @Override
    public void close() throws Exception {
        LOG.info("closing ...");
        close(htDatabaseClient);
        close(resOpenRoadm);
        LOG.info("closing done");
    }
    // end of public methods

    // private methods
    /**
     * Used to close all Services, that should support AutoCloseable Pattern
     *
     * @param toClose
     * @throws Exception
     */
    private void close(AutoCloseable... toCloseList) {
        for (AutoCloseable element : toCloseList) {
            if (element != null) {
                try {
                    element.close();
                } catch (Exception e) {
                    LOG.warn("Fail during close: ", e);
                }
            }
        }
    }
    // end of private methods
}