/*
 * Copyright 2016-present Open Networking Laboratory
 *
 * 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.
 */
package org.onosproject.provider.lisp.device.impl;

import org.apache.felix.scr.annotations.Activate;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Deactivate;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.ReferenceCardinality;
import org.onosproject.core.ApplicationId;
import org.onosproject.core.CoreService;
import org.onosproject.lisp.LispController;
import org.onosproject.net.DeviceId;
import org.onosproject.net.MastershipRole;
import org.onosproject.net.PortNumber;
import org.onosproject.net.device.DeviceProvider;
import org.onosproject.net.provider.AbstractProvider;
import org.onosproject.net.provider.ProviderId;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Provider which uses an LISP controller to detect device.
 */
@Component(immediate = true)
public class LispDeviceProvider extends AbstractProvider
        implements DeviceProvider {

    private static final Logger log = LoggerFactory.getLogger(LispDeviceProvider.class);

    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
    protected CoreService coreService;

    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
    protected LispController controller;

    private static final String APP_NAME = "org.onosproject.lisp";
    private static final String SCHEME_NAME = "lisp";
    private static final String DEVICE_PROVIDER_PACKAGE = "org.onosproject.lisp.provider.device";

    private ApplicationId appId;

    /**
     * Creates a LISP device provider.
     */
    public LispDeviceProvider() {
        super(new ProviderId(SCHEME_NAME, DEVICE_PROVIDER_PACKAGE));
    }

    @Activate
    public void activate() {
        appId = coreService.registerApplication(APP_NAME);
        log.info("Started");
    }

    @Deactivate
    public void deactivate() {
        log.info("Stopped");
    }

    @Override
    public void triggerProbe(DeviceId deviceId) {

    }

    @Override
    public void roleChanged(DeviceId deviceId, MastershipRole newRole) {

    }

    @Override
    public boolean isReachable(DeviceId deviceId) {
        return false;
    }

    @Override
    public void changePortState(DeviceId deviceId, PortNumber portNumber, boolean enable) {

    }
}