<?php

/**
 * Part of the Joomla Framework Console Package
 *
 * @copyright  Copyright (C) 2005 - 2021 Open Source Matters, Inc. All rights reserved.
 * @license    GNU General Public License version 2 or later; see LICENSE
 */

namespace Joomla\Console\Event;

use Joomla\Console\Application;
use Joomla\Console\Command\AbstractCommand;
use Joomla\Console\ConsoleEvents;

/**
 * Event triggered before a command is executed.
 *
 * @since  2.0.0
 */
class BeforeCommandExecuteEvent extends ConsoleEvent
{
    /**
     * The return code for a command disabled by this event.
     *
     * @var    integer
     * @since  2.0.0
     */
    public const RETURN_CODE_DISABLED = 113;

    /**
     * Flag indicating the command is enabled
     *
     * @var    boolean
     * @since  2.0.0
     */
    private $commandEnabled = true;

    /**
     * Event constructor.
     *
     * @param   Application           $application  The active application.
     * @param   AbstractCommand|null  $command      The command being executed.
     *
     * @since   2.0.0
     */
    public function __construct(Application $application, ?AbstractCommand $command = null)
    {
        parent::__construct(ConsoleEvents::BEFORE_COMMAND_EXECUTE, $application, $command);

        if ($command) {
            $this->commandEnabled = $command->isEnabled();
        }
    }

    /**
     * Disable the command.
     *
     * @return  void
     *
     * @since   2.0.0
     */
    public function disableCommand(): void
    {
        $this->commandEnabled = false;
    }

    /**
     * Enable the command.
     *
     * @return  void
     *
     * @since   2.0.0
     */
    public function enableCommand(): void
    {
        $this->commandEnabled = false;
    }

    /**
     * Check if the command is enabled.
     *
     * @return    boolean
     *
     * @since   2.0.0
     */
    public function isCommandEnabled(): bool
    {
        return $this->commandEnabled;
    }
}