<?php

/**
 * Kunena Component
 *
 * @package       Kunena.Framework
 * @subpackage    Controller
 *
 * @copyright     Copyright (C) 2008 - @currentyear@ Kunena Team. All rights reserved.
 * @license       https://www.gnu.org/copyleft/gpl.html GNU/GPL
 * @link          https://www.kunena.org
 **/

namespace Kunena\Forum\Libraries\Controller;

\defined('_JEXEC') or die();

/**
 * Class KunenaControllerApplication
 *
 * @since   Kunena 6.0
 */
class KunenaControllerApplication extends KunenaControllerDisplay
{
    /**
     * @param   mixed  $view     view
     * @param   mixed  $subview  subview
     * @param   mixed  $task     task
     * @param   mixed  $input    input
     * @param   mixed  $app      app
     *
     * @return  mixed|void
     *
     * @since   Kunena 6.0
     */
    public static function getInstance($view, $subview, $task, $input, $app)
    {
        // The word Default is a reserved word in namespace since Php 7.0+, in Kunena we replaced it by Initial
        if ($subview == 'default') {
            $subviewfixed = 'Initial';
        } else {
            $subviewfixed = ucfirst($subview);
        }

        // Define HMVC controller and execute it.
        $controllerClassNamespaced = 'Kunena\Forum\Site\Controller\Application\\' . ucfirst($view) . '\\' . $subviewfixed . '\\' . ucfirst($view) . ucfirst($task);
        $controllerDefaultNamespaced = 'Kunena\Forum\Libraries\Controller\Application\\' . ucfirst($task);

        $controller = class_exists($controllerClassNamespaced)
        ? new $controllerClassNamespaced($input, $app, $app->getParams('com_kunena'))
        : (class_exists($controllerDefaultNamespaced)
            ? new $controllerDefaultNamespaced($input, $app, $app->getParams('com_kunena'))
            : null);

        // Execute HMVC if the controller is present.
        if ($controller && $controller->exists()) {
            return $controller;
        }

        return;
    }
}