<?php
/**
 * File from http://PrestaShow.pl
 *
 * DISCLAIMER
 * Do not edit or add to this file if you wish to upgrade this module to newer
 * versions in the future.
 *
 *  @authors     PrestaShow.pl <kontakt@prestashow.pl>
 *  @copyright   2015 PrestaShow.pl
 *  @license     http://PrestaShow.pl/license
 */

/**
 * Addons Adapter
 */
class PShow_Addon
{

    /** @var array of \PShow_Addon */
    private static $instance = array();

    /** @var \Object */
    private $addon_instance;

    /**
     * Check if addons exists in the module
     * 
     * @param string $name
     * @return boolean
     */
    public static function exists($name)
    {
        if ($name == 'Multistore') {
            return class_exists('PShow_Import_Object_Multistore');
        }
        
        return class_exists('PShow_Addon_' . $name);
    }

    /**
     * Get new instance
     * 
     * @param string $name
     * @return PShow_Addon
     */
    public static function getInstance($name)
    {
        if (!self::exists($name)) {
            return false;
        }

        if (!array_key_exists($name, self::$instance)) {
            self::$instance[$name] = new self('PShow_Addon_' . $name);
        }

        return self::$instance[$name];
    }

    /**
     * 
     * @param string $addon_classname
     */
    private function __construct($addon_classname)
    {
        $this->addon_instance = new $addon_classname();
    }

    /**
     * 
     * @param string $name
     * @param array $arguments
     * @return mixed
     */
    public function __call($name, $arguments)
    {
        return call_user_func_array(array($this->addon_instance, $name), $arguments);
    }
}