<?php
/**
* The MIT License (MIT)
*
* Copyright (c) 2015 Christian Kampka <christian@kampka.net>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/

namespace OC\Core\Command\Background;

use \OCP\IConfig;

use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;

/**
* An abstract base class for configuring the background job mode
* from the command line interface.
* Subclasses will override the getMode() function to specify the mode to configure.
*/
abstract class Base extends Command {


	abstract protected function getMode();

	/**
	* @var \OCP\IConfig
	*/
	protected $config;

	/**
	* @param \OCP\IConfig $config
	*/
	public function __construct(IConfig $config) {
		$this->config = $config;
		parent::__construct();
	}

	protected function configure() {
		$mode = $this->getMode();
		$this
			->setName("background:$mode")
			->setDescription("Use $mode to run background jobs.");
	}

	/**
	* Executing this command will set the background job mode for owncloud.
	* The mode to set is specified by the concrete sub class by implementing the
	* getMode() function.
	*
	* @param InputInterface $input
	* @param OutputInterface $output
	*/
	protected function execute(InputInterface $input, OutputInterface $output) {
		$mode = $this->getMode();
		$this->config->setAppValue( 'core', 'backgroundjobs_mode', $mode );
		$output->writeln("Set mode for background jobs to '$mode'");
	}
}
