/**
 *  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 io.fabric8.api.AutoScaleProfileStatus;
import io.fabric8.api.AutoScaleStatus;
import io.fabric8.api.FabricService;
import io.fabric8.utils.TablePrinter;
import org.apache.felix.gogo.commands.Command;
import org.apache.karaf.shell.console.AbstractAction;

import java.io.PrintStream;
import java.util.List;

import static io.fabric8.commands.RequireProfileListAction.getStringOrBlank;

@Command(name = AutoScaleStatusList.FUNCTION_VALUE, scope = AutoScaleStatusList.SCOPE_VALUE, description = AutoScaleStatusList.DESCRIPTION)
public class AutoScaleStatusListAction extends AbstractAction {

    private final FabricService fabricService;

    public AutoScaleStatusListAction(FabricService fabricService) {
        this.fabricService = fabricService;
    }

    public FabricService getFabricService() {
        return fabricService;
    }

    @Override
    protected Object doExecute() throws Exception {
        PrintStream out = System.out;
        AutoScaleStatus status = getFabricService().getAutoScaleStatus();
        printStatus(out, status);
        return null;
    }

    protected void printStatus(PrintStream out, AutoScaleStatus status) {
        TablePrinter table = new TablePrinter();
        table.columns("auto scale profile", "status", "message");
        List<AutoScaleProfileStatus> profileStatuses = status.getProfileStatuses();
        for (AutoScaleProfileStatus profile : profileStatuses) {
            table.row(getStringOrBlank(profile.getProfile()),
                    getStringOrBlank(profile.getStatus()),
                    getStringOrBlank(profile.getMessage()));
        }
        table.print();
    }
}
