/**
 *  Copyright 2005-2015 Red Hat, Inc.
 *
 *  Red Hat licenses this file to you 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 io.fabric8.commands;

import java.util.List;

import io.fabric8.api.ZooKeeperClusterService;
import io.fabric8.utils.TablePrinter;
import org.apache.felix.gogo.commands.Command;
import org.apache.karaf.shell.console.AbstractAction;

@Command(name = EnsembleList.FUNCTION_VALUE, scope = EnsembleList.SCOPE_VALUE, description = EnsembleList.DESCRIPTION, detailedDescription = "classpath:ensembleList.txt")
public class EnsembleListAction extends AbstractAction {

    private final ZooKeeperClusterService clusterService;

    EnsembleListAction(ZooKeeperClusterService clusterService) {
        this.clusterService = clusterService;
    }

    @Override
    protected Object doExecute() throws Exception {
        TablePrinter printer = new TablePrinter();
        printer.column("id");

        List<String> containers = clusterService.getEnsembleContainers();
        if (containers != null) {
            for (String container : containers) {
                printer.row(container);
            }
        }
        printer.print();

        return null;
    }

}
