/*
 * Copyright 2015 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.app;

import org.apache.karaf.shell.commands.Argument;
import org.apache.karaf.shell.commands.Command;
import org.onosproject.app.ApplicationAdminService;
import org.onosproject.cli.AbstractShellCommand;
import org.onosproject.core.ApplicationId;

/**
 * Manages application inventory.
 */
@Command(scope = "onos", name = "app",
        description = "Manages application inventory")
public class ApplicationCommand extends AbstractShellCommand {

    static final String INSTALL = "install";
    static final String UNINSTALL = "uninstall";
    static final String ACTIVATE = "activate";
    static final String DEACTIVATE = "deactivate";

    @Argument(index = 0, name = "command",
            description = "Command name (activate|deactivate|uninstall)",
            required = true, multiValued = false)
    String command = null;

    @Argument(index = 1, name = "names", description = "Application name(s)",
            required = true, multiValued = true)
    String[] names = null;

    @Override
    protected void execute() {
        ApplicationAdminService service = get(ApplicationAdminService.class);
        if (command.equals(INSTALL)) {
            print("Not supported via CLI yet.");

        } else {
            for (String name : names) {
                ApplicationId appId = service.getId(name);
                if (appId == null) {
                    print("No such application: %s", name);
                    return;
                }

                if (command.equals(UNINSTALL)) {
                    service.uninstall(appId);
                } else if (command.equals(ACTIVATE)) {
                    service.activate(appId);
                } else if (command.equals(DEACTIVATE)) {
                    service.deactivate(appId);
                } else {
                    print("Unsupported command: %s", command);
                }
            }
        }
    }

}