/*
 * Copyright 2015-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.cli.net;

import org.apache.karaf.shell.commands.Argument;
import org.apache.karaf.shell.commands.Command;
import org.onosproject.cli.AbstractShellCommand;
import org.onosproject.net.DeviceId;
import org.onosproject.incubator.net.resource.label.LabelResourcePool;
import org.onosproject.incubator.net.resource.label.LabelResourceService;

@Command(scope = "onos", name = "label-pool",
      description = "Gets label resource pool information by a specific device id")
public class LabelResourceCommand extends AbstractShellCommand {
    @Argument(index = 0, name = "deviceId",
            description = "Device identity", required = true, multiValued = false)
    String deviceId = null;
    private static final String FMT = "deviceid=%s, beginLabel=%s,"
            + "endLabel=%s, totalNum=%s, usedNum=%s, currentUsedMaxLabelId=%s,"
            + "releaseLabelIds=%s";

    @Override
    protected void execute() {
        LabelResourceService lrs = get(LabelResourceService.class);
        LabelResourcePool pool = lrs.getDeviceLabelResourcePool(DeviceId
                .deviceId(deviceId));
        if (pool != null) {
            print(FMT, pool.deviceId().toString(), pool.beginLabel(),
                  pool.endLabel(), pool.totalNum(), pool.usedNum(),
                  pool.currentUsedMaxLabelId(), pool.releaseLabelId()
                          .toString());
        } else {
            print(FMT, deviceId, null, null, null, null, null, null);
        }
    }

}