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<?php

/**
 * Joomla! Content Management System
 *
 * @copyright  (C) 2017 Open Source Matters, Inc. <https://www.joomla.org>
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\CMS\MVC\Factory;

use Joomla\CMS\Application\CMSApplicationInterface;
use Joomla\CMS\Filesystem\Path;
use Joomla\CMS\Language\Text;
use Joomla\CMS\MVC\Controller\BaseController;
use Joomla\CMS\MVC\Model\BaseDatabaseModel;
use Joomla\CMS\MVC\Model\ModelInterface;
use Joomla\CMS\Table\Table;
use Joomla\Input\Input;

// phpcs:disable PSR1.Files.SideEffects
\defined('JPATH_PLATFORM') or die;
// phpcs:enable PSR1.Files.SideEffects

/**
 * Factory to create MVC objects in legacy mode.
 * Uses the static getInstance function on the classes itself. Behavior of the old none
 * namespaced extension set up.
 *
 * @since  3.10.0
 */
class LegacyFactory implements MVCFactoryInterface
{
    /**
     * Method to load and return a controller object.
     *
     * @param   string                   $name    The name of the controller
     * @param   string                   $prefix  The controller prefix
     * @param   array                    $config  The configuration array for the controller
     * @param   CMSApplicationInterface  $app     The app
     * @param   Input                    $input   The input
     *
     * @return  \Joomla\CMS\MVC\Controller\ControllerInterface
     *
     * @since   4.0.0
     * @throws  \Exception
     */
    public function createController($name, $prefix, array $config, CMSApplicationInterface $app, Input $input)
    {
        throw new \BadFunctionCallException('Legacy controller creation not supported.');
    }

    /**
     * Method to load and return a model object.
     *
     * @param   string  $name    The name of the model.
     * @param   string  $prefix  Optional model prefix.
     * @param   array   $config  Optional configuration array for the model.
     *
     * @return  ModelInterface  The model object
     *
     * @since   3.10.0
     * @throws  \Exception
     */
    public function createModel($name, $prefix = '', array $config = [])
    {
        // Clean the model name
        $modelName   = preg_replace('/[^A-Z0-9_]/i', '', $name);
        $classPrefix = preg_replace('/[^A-Z0-9_]/i', '', $prefix);

        return BaseDatabaseModel::getInstance($modelName, $classPrefix, $config);
    }

    /**
     * Method to load and return a view object.
     *
     * @param   string  $name    The name of the view.
     * @param   string  $prefix  Optional view prefix.
     * @param   string  $type    Optional type of view.
     * @param   array   $config  Optional configuration array for the view.
     *
     * @return  \Joomla\CMS\MVC\View\ViewInterface  The view object
     *
     * @since   3.10.0
     * @throws  \Exception
     */
    public function createView($name, $prefix = '', $type = '', array $config = [])
    {
        // Clean the view name
        $viewName    = preg_replace('/[^A-Z0-9_]/i', '', $name);
        $classPrefix = preg_replace('/[^A-Z0-9_]/i', '', $prefix);
        $viewType    = preg_replace('/[^A-Z0-9_]/i', '', $type);

        // Build the view class name
        $viewClass = $classPrefix . $viewName;

        if (!class_exists($viewClass)) {
            $path = Path::find($config['paths'], BaseController::createFileName('view', ['name' => $viewName, 'type' => $viewType]));

            if (!$path) {
                return null;
            }

            \JLoader::register($viewClass, $path);

            if (!class_exists($viewClass)) {
                throw new \Exception(Text::sprintf('JLIB_APPLICATION_ERROR_VIEW_CLASS_NOT_FOUND', $viewClass, $path), 500);
            }
        }

        return new $viewClass($config);
    }

    /**
     * Method to load and return a table object.
     *
     * @param   string  $name    The name of the table.
     * @param   string  $prefix  Optional table prefix.
     * @param   array   $config  Optional configuration array for the table.
     *
     * @return  \Joomla\CMS\Table\Table  The table object
     *
     * @since   3.10.0
     * @throws  \Exception
     */
    public function createTable($name, $prefix = 'Table', array $config = [])
    {
        // Clean the model name
        $name   = preg_replace('/[^A-Z0-9_]/i', '', $name);
        $prefix = preg_replace('/[^A-Z0-9_]/i', '', $prefix);

        return Table::getInstance($name, $prefix, $config);
    }
}