<?php
/**
* @version	$Id$
* @package	In-Portal
* @copyright	Copyright (C) 1997 - 2015 Intechnic. All rights reserved.
* @license      GNU/GPL
* In-Portal is Open Source software.
* This means that this software may have been modified pursuant
* the GNU General Public License, and as distributed it includes
* or is derivative of works licensed under the GNU General Public License
* or other free or open source software licenses.
* See http://www.in-portal.org/license for copyright notices and details.
*/

namespace Intechnic\InPortal\Core\kernel\Console\Command;


use Stecman\Component\Symfony\Console\BashCompletion\Completion\CompletionAwareInterface;
use Stecman\Component\Symfony\Console\BashCompletion\CompletionContext;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;

defined('FULL_PATH') or die('restricted access!');

class RunScheduledTaskCommand extends AbstractCommand implements CompletionAwareInterface
{

	/**
	 * Configures the current command.
	 *
	 * @return void
	 */
	protected function configure()
	{
		$this
			->setName('scheduled-task:run')
			->setDescription('Runs scheduled task(-s)')
			->addArgument(
				'scheduled_task_name',
				InputArgument::OPTIONAL,
				'Scheduled task name'
			);
	}

	/**
	 * Executes the current command.
	 *
	 * @param InputInterface  $input  An InputInterface instance.
	 * @param OutputInterface $output An OutputInterface instance.
	 *
	 * @return null|integer
	 */
	protected function execute(InputInterface $input, OutputInterface $output)
	{
		$scheduled_task_name = $input->getArgument('scheduled_task_name');

		if ( !$scheduled_task_name ) {
			$this->Application->EventManager->runScheduledTasks(true);

			return 0;
		}

		if ( !in_array($scheduled_task_name, $this->getScheduledTaskNames()) ) {
			throw new \InvalidArgumentException('Scheduled task "' . $scheduled_task_name . '" not found');
		}

		$scheduled_tasks = $this->Application->EventManager->getScheduledTasks();
		$result = $this->Application->EventManager->runScheduledTask($scheduled_tasks[$scheduled_task_name]);

		return $result ? 0 : 64;
	}

	/**
	 * Return possible values for the named option
	 *
	 * @param string            $optionName Option name.
	 * @param CompletionContext $context    Completion context.
	 *
	 * @return array
	 */
	public function completeOptionValues($optionName, CompletionContext $context)
	{
		return array();
	}

	/**
	 * Return possible values for the named argument.
	 *
	 * @param string            $argumentName Argument name.
	 * @param CompletionContext $context      Completion context.
	 *
	 * @return array
	 */
	public function completeArgumentValues($argumentName, CompletionContext $context)
	{
		if ( $argumentName === 'scheduled_task_name' ) {
			return $this->getScheduledTaskNames();
		}

		return array();
	}

	/**
	 * Returns scheduled task names.
	 *
	 * @return array
	 */
	protected function getScheduledTaskNames()
	{
		$scheduled_tasks = $this->Application->EventManager->getScheduledTasks();

		return array_keys($scheduled_tasks);
	}

}