<?php
/* ----------------------------------------------------------------------

   MyOOS [Shopsystem]
   https://www.oos-shop.de

   Copyright (c) 2003 - 2019 by the MyOOS Development Team.
   ----------------------------------------------------------------------
   Based on:

   ----------------------------------------------------------------------
   osCommerce, Open Source E-Commerce Solutions
   http://www.oscommerce.com

   Copyright (c) 2003 osCommerce
   ----------------------------------------------------------------------
   Released under the GNU General Public License
   ---------------------------------------------------------------------- */

  /** ensure this file is being included by a parent file */
  defined( 'OOS_VALID_MOD' ) OR die( 'Direct Access to this location is not allowed.' );

  class url_rewrite{


    function transform_uri($param) {
		global $session;

      unset($path);
      unset($url);

      $uri = explode("index.php/", $param);

      $path = $uri[1];
      $base = $uri[0];

      $url_array = explode('/', $path);

      $aContents = oos_get_content();

      if ( (in_array('category', $url_array)) || (in_array($aContents['product_info'], $url_array) && in_array($url_array)) ) {

        $_filter = array('content', $aContents['shop'], $session->getName(), $session->getId());

        $dbconn =& oosDBGetConn();
        $oostable =& oosDBGetTables();

        $nLanguageID = isset($_SESSION['language_id']) ? intval( $_SESSION['language_id'] ) : DEFAULT_LANGUAGE_ID;

        $path = '';
        $extention = '.html';

        for ($i=0; $i < count($url_array); $i++){
          switch ($url_array[$i]) {
            case 'category':
              unset($category);
              $category = '';
              $i++;
              if(preg_match('/[_0-9]/', $url_array[$i])){
                if($category_array = explode('_', $url_array[$i])){
                  foreach($category_array as $value){
                    $categoriestable = $oostable['categories'];
                    $categories_descriptiontable = $oostable['categories_description'];
                    $category_result = $dbconn->Execute("SELECT c.categories_id, cd.categories_name FROM  $categoriestable c, $categories_descriptiontable cd WHERE c.categories_id = '" . intval($value) . "' AND c.categories_id = cd.categories_id AND cd.categories_languages_id = '" . intval($nLanguageID) . "'");
                    $category .= oos_make_filename($category_result->fields['categories_name']) . '/';
                  }
                  $category = substr($category, 0, -1);
                  $category .= '-c-' .  $url_array[$i]. '/';
                } else {
                  $category .= 'category/' . $url_array[$i] . '/';
                }
              }
              $path .= $category;
              break;

            case 'products_id':
              unset($product);
              $i++;
              if ($url_array[$i]) {
                $products_descriptiontable = $oostable['products_description'];
                $product_result = $dbconn->Execute("SELECT products_name FROM $products_descriptiontable WHERE products_id = '" . intval($url_array[$i]) . "' AND products_languages_id = '" .  intval($nLanguageID) . "'");
                $product = oos_make_filename($product_result->fields['products_name']);
                $path .= $product . '-p-' . $url_array[$i] . '/';
              }
              break;

            case 'manufacturers_id':
              unset($manufacturer);
              $i++;
              if ($url_array[$i]) {
                $manufacturerstable = $oostable['manufacturers'];
                $manufacturer_result = $dbconn->Execute("SELECT manufacturers_name FROM $manufacturerstable WHERE manufacturers_id = '" . intval($url_array[$i]) . "'");
                $manufacturer = oos_make_filename($manufacturer_result->fields['manufacturers_name']);
                $path .= $manufacturer . '-m-' . $url_array[$i] . '/';
              }
              break;

            default:
              if (!in_array($url_array[$i], $_filter)) {
                $path .= $url_array[$i] . '/';
              }
              break;
          }
        }

        $pos = strpos ($path, "-p-");
        if ($pos === FALSE) {
          // $remove = array('-c-');
        } else {
          $remove = array('-m-', '-c-');
        }
        $path = str_replace($remove, '-', $path);
        if (strpos($path, '//') !== FALSE) $path = str_replace('//', '/', $path);
        if (substr($path, -1) == '/') $path = substr($path, 0, -1);

        $url = $base . $path . $extention;
      } else {
        $url = $param;
      }

      return $url;
    }
  }