/**
 * Override or insert variables into the node templates.
 *
 * @param $vars
 *   An array of variables to pass to the theme template.
 * @param $hook
 *   The name of the template being rendered ("node" in this case.)
 */

function THEMENAME_preprocess_node(&$vars, $hook) {
  $node = (object)$vars;

  if (uc_product_is_product($node->type) && variable_get('uc_catalog_breadcrumb', TRUE)) {
    $crumbs = array();
    if (variable_get('site_frontpage', 'node') != 'catalog') {
      $crumbs[] = l(t('Home'), '');
    }
    $terms = taxonomy_node_get_terms_by_vocabulary($node, variable_get('uc_catalog_vid', 0));
    if (count($terms)) {
      //fix by alexku start
      //$crumbs[] = l(variable_get('uc_catalog_name', t('Catalog')), variable_get('uc_catalog_url', 'catalog'));
      global $language;
      $catalog_name = variable_get('uc_catalog_name', 'Catalog');
      $catalog_id = variable_get('uc_catalog_vid', '1');
      $translated_name = i18nstrings("taxonomy:vocabulary:$catalog_id:name", $catalog_name, $language->language, FALSE);
      $crumbs[] = l($translated_name, variable_get('uc_catalog_url', 'catalog'));
      //fix by alexku end
      $used_tids = array();
      foreach ($terms as $term) {
        if (!isset($parents[$term->tid])) {
          $parents[$term->tid] = taxonomy_get_parents_all($term->tid);
        }
        //drupal_set_message('<pre>'. print_r($parents[$term->tid], TRUE) .'</pre>');
        foreach (array_reverse($parents[$term->tid]) as $parent) {
          //fix by alexku start
          $parent->name = i18nstrings("taxonomy:term:$parent->tid:name", $parent->name, $language->language, FALSE);
          if ($parent->description) {
            $parent->description = i18nstrings("taxonomy:term:$parent->tid:description", $parent->description, $language->language, FALSE);
          }
          //fix by alexku end
          if (!in_array($parent->tid, $used_tids)) {
            $crumbs[] = l($parent->name, uc_catalog_path($parent));
            $used_tids[] = $parent->tid;
          }
        }
      }
    }
    drupal_set_breadcrumb($crumbs);
  }
}

/**
 * Theme the catalog block.
 *
 * @ingroup themeable
 * @see theme_uc_catalog_item()
 */
function THEMENAME_uc_catalog_block($menu_tree) {
  $output = '<ul class="catalog menu">';

  foreach ($menu_tree->children as $branch) {
    list($inpath, $html) = _uc_catalog_navigation_multilingual($branch);
    $output .= $html;
  }

  $output .= '</ul>';

  return $output;
}

/**
 * Multilingual version. Emulate Drupal's menu system, but based soley on the structure of "Product Catalog".
 *
 * @param $branch
 *   A treeNode object. Determines if the URL points to itself,
 *   or possibly one of it's children, if present.
 *
 *   If the URL points to itself or one of its products, it displays its name, and
 *   expands to show its children, otherwise displays a link and a count of the products in it.
 *   If the URL points to one of it's children, it still displays a link and product count,
 *   but must still be expanded.
 *   Otherwise, it is collapsed and a link.
 * @return
 *   An array whose first element is true if the treeNode is in hierarchy of the URL path.
 *   The second element is the HTML of the list item of itself and it's children.
 */
function _uc_catalog_navigation_multilingual($branch) {
  static $terms;
  static $breadcrumb;
  static $types;
	
	//fix by alexku start
	global $language;
	if ($branch->tid) {
		$branch->name = i18nstrings("taxonomy:term:$branch->tid:name", $branch->name, $language->language, TRUE);
		if ($branch->description) {
			$branch->description = i18nstrings("taxonomy:term:$branch->tid:description", $branch->description, $language->language, FALSE);
		}
	}
	//fix by alexku end

  if (empty($types)) {
    $types = uc_product_types();
  }

  $num = 0;
  foreach ($types as $type) {
    $num += taxonomy_term_count_nodes($branch->tid, $type);
  }

  // No nodes in category or descendants. Not in path and display nothing.
  if (!$num) {
    return array(FALSE, '');
  }

  $branch_path = uc_catalog_path($branch);
  if (!isset($breadcrumb)) {
    $breadcrumb = drupal_get_breadcrumb();
  }
  $vid = variable_get('uc_catalog_vid', 0);
  if ($_GET['q'] ==  $branch_path) {
    // The URL points to this term.
    $here = TRUE;
  }
  else {
    $here = FALSE;
  }
  if (!isset($terms)) {
    $terms = taxonomy_node_get_terms_by_vocabulary(menu_get_object('node', 1), $vid);
  }
  // Determine whether to expand menu item.
  if ((arg(0) == 'node' && array_key_exists($branch->tid, $terms))) {
    $inpath = FALSE;
    foreach ($breadcrumb as $link) {
      if (strpos($link, drupal_get_path_alias($branch_path)) !== FALSE) {
        $inpath = TRUE;
      }
    }
  }
  else {
    $inpath = $here;
  }

  // Checks to see if node counts are desired in navigation
  $num_text = '';
  if (variable_get('uc_catalog_block_nodecount', TRUE)) {
    $num_text = ' ('. $num .')';
  }

  $lis = array();
  $expand = variable_get('uc_catalog_expand_categories', FALSE);
  $link = l($branch->name . $num_text, $branch_path);
  if ($expand || count($branch->children)) {
    foreach ($branch->children as $twig) {
      // Expand if children are in the menu path. Capture their output.
      list($child_in_path, $lis[]) = _uc_catalog_navigation_multilingual($twig);
      if ($child_in_path) {
        $inpath = $child_in_path;
      }
    }
  }
  $output = theme("uc_catalog_item", $here, $link, $lis, $expand, $inpath, count($branch->children));

  // Tell parent category your status, and pass on output.
  return array($inpath, $output);
}

/**
 * Implementation of hook_preprocess_block().
 */
function THEMENAME_preprocess_block(&$variables, $hook) {
  if ($variables['block']->module == 'uc_catalog' && $variables['block']->delta == '0') {
    $subject = &$variables['block']->subject;
    global $language;
    $catalog_name = variable_get('uc_catalog_name', 'Catalog');
    $catalog_id = variable_get('uc_catalog_vid', '1');
    $subject = i18nstrings("taxonomy:vocabulary:$catalog_id:name", $catalog_name, $language->language, FALSE);

    if (variable_get('uc_catalog_block_title', FALSE)) {
      $subject = l($subject, 'catalog');
    }
  }
}

function THEMENAME_uc_catalog_browse($tid = 0) {
	global $language;
  drupal_add_css(drupal_get_path('module', 'uc_catalog') .'/uc_catalog.css');

  $output = '';
  $catalog = uc_catalog_get_page((int)$tid);
	//fix by alexku start
	//check if we are on the catalog or on the category page
	if (!$catalog->tid) {
		//if on catalog page		
		$catalog->name = i18nstrings("taxonomy:vocabulary:$catalog->vid:name", $catalog->name, $language->language, FALSE);
		if ($catalog->description) {
			$catalog->description = i18nstrings("taxonomy:vocabulary:$catalog->vid:description", $catalog->description, $language->language, FALSE);
		}
	}
	else {
		//if on category (term) page
		$catalog->name = i18nstrings("taxonomy:term:$catalog->tid:name", $catalog->name, $language->language, FALSE);
		if ($catalog->description) {
			$catalog->description = i18nstrings("taxonomy:term:$catalog->tid:description", $catalog->description, $language->language, FALSE);
		}
	}
	//fix by alexku end
  drupal_set_title(check_plain($catalog->name));
  drupal_set_breadcrumb(uc_catalog_set_breadcrumb($catalog->tid));
  $types = uc_product_types();
  $links = array();
  $child_list = array();
  
  foreach ($catalog->children as $child) {
    
		//fix by alexku start
		$child->name = i18nstrings("taxonomy:term:$child->tid:name", $child->name, $language->language, FALSE);
		if ($child->description) {
			$child->description = i18nstrings("taxonomy:term:$child->tid:description", $child->description, $language->language, FALSE);
		}
		//fix by alexku end
    if (!empty($child->nodes)) {
      $links[] = array('title' => $child->name . (variable_get('uc_catalog_breadcrumb_nodecount', FALSE) ? ' ('. $child->nodes .')' : ''), 'href' => uc_catalog_path($child),
        'attributes' => array('rel' => 'tag'),
      );
      
    }
    if (!empty($child->image)) {
      $image = '<div>';
      if (module_exists('imagecache')) {
        $image .= l(theme('imagecache', 'uc_category', $child->image['filepath']), uc_catalog_path($child), array('html' => TRUE));
      }
      else {
        $image .= l(theme('image', $child->image['filepath']), uc_catalog_path($child), array('html' => TRUE));
      }
      $image .= '</div>';
    }
    else {
      $image = '<div></div>';
    }
    $grandchildren = array();
    $j = 0;
    $max_gc_display = 3;
    foreach ($child->children as $i => $grandchild) {
      if ($j > $max_gc_display) {
        break;
      }
      $g_child_nodes = 0;
      foreach ($types as $type) {
        $g_child_nodes += taxonomy_term_count_nodes($grandchild->tid, $type);
      }
      if ($g_child_nodes) {
        $grandchildren[$i] = l($grandchild->name, uc_catalog_path($grandchild), array('class' => 'subcategory'));
        $j++;
      }
    }
    //$grandchildren = array_slice($grandchildren, 0, intval(count($grandchildren) / 2) + 1, TRUE);
    if ($j > $max_gc_display) {
      array_push($grandchildren, l(t('More...'), uc_catalog_path($child), array('class' => 'subcategory')));
    }
    if ($child->nodes) {
      $cell_link = $image .'<strong>'. l($child->name, uc_catalog_path($child)) .'</strong>';
      if (variable_get('uc_catalog_show_subcategories', TRUE)) {
        $cell_link .= "<br/><span>". implode(', ', $grandchildren) ."</span>\n";
      }
      $child_list[] = $cell_link;
    }
  }
  if (!empty($catalog->image)) {
    if (module_exists('imagecache')) {
      $output .= theme('imagecache', 'uc_thumbnail', $catalog->image['filepath'], $catalog->name, $catalog->name, array('class' => 'category'));
    }
    else {
      $output .= theme('image', $catalog->image['filepath'], $catalog->name, $catalog->name, array('class' => 'category'));
    }
  }
  
  

  // Build an ORDER BY clause for the SELECT query based on table sort info.
  if (empty($_REQUEST['order'])) {
    $order = 'ORDER BY p.ordering, n.title, n.nid';
  }
  else {
    $order = tapirsort_sql(uc_product_table_header());
  }

  $sql = "SELECT DISTINCT(n.nid), n.sticky, n.title, n.created, p.model, p.sell_price, p.ordering
    FROM {node} n
      INNER JOIN {term_node} tn ON n.vid = tn.vid
      INNER JOIN {uc_products} AS p ON n.vid = p.vid
    WHERE tn.tid = %d AND n.status = 1
      AND n.type IN (". db_placeholders($types, 'varchar') .") ". $order;

  $sql_count = "SELECT COUNT(DISTINCT(n.nid))
    FROM {node} n
      INNER JOIN {term_node} tn ON n.vid = tn.vid
      INNER JOIN {uc_products} AS p ON n.vid = p.vid
    WHERE tn.tid = %d
      AND n.status = 1
      AND n.type IN (". db_placeholders($types, 'varchar') .")";

  $sql = db_rewrite_sql($sql);
  $sql_count = db_rewrite_sql($sql_count);
  $sql_args = array($catalog->tid);
  foreach ($types as $type) {
    $sql_args[] = $type;
  }
  $catalog->products = array();
  

  $result = pager_query($sql, variable_get('uc_product_nodes_per_page', 12), 0, $sql_count, $sql_args);
  while ($node = db_fetch_object($result)) {
    
    $catalog->products[] = $node->nid;
  }
  
  if (count($catalog->products)) {
    
    if (count($links)) {
      $output .= theme('links', $links, array('class' => 'links inline uc-categories')) ."<br />\n";
    }
    $output .= $catalog->description;
    $output .= theme('uc_catalog_products', $catalog->products);
    $output .= theme('pager');
  }
  else {
    // Display table of child categories similar to an osCommerce site's front page.
    $columns = variable_get('uc_catalog_category_columns', 3);
    $cat_rows = array();
    $row = array();
    $i = 1;
    foreach ($child_list as $cell) {
      $row[] = array('data' => $cell, 'class' => 'category');
      if ($i % $columns == 0) {
        $cat_rows[] = $row;
        $row = array();
      }
      $i++;
    }
    if (count($row) > 0 && count($row) < $columns) {
      if (count($cat_rows) >= 1) {
        $row = array_merge($row, array_fill(count($row), $columns - count($row), array('data' => '&nbsp;', 'class' => 'category')));
      }
      $cat_rows[] = $row;
    }
    $output .= $catalog->description;
    $output .= theme('table', array(), $cat_rows, array('class' => 'category'));
  }

  return $output;
}

/**
  * The multilingual version of the uc_catalog_set_breadcrumb
 * Format the breadcrumb to the current term's ancestry.
 *
 * @param $tid
 *   The currently viewed catalog term's id.
 * @param $is_node
 *   If true, include the current category page in the breadcrumb.
 * @return
 *   An array of breadcrumb links.
 */
function uc_catalog_set_breadcrumb_multilingual($tid) {
  static $breadcrumbs = array();
  static $terms = array();
  if (variable_get('uc_catalog_breadcrumb', TRUE)) {
    if (empty($breadcrumbs)) {
      if (variable_get('site_frontpage', 'node') != 'catalog') {
        $breadcrumbs[] = l(t('Home'), '');
      }
      if ($tid != 0) {
				//fix by alexku start
        //$breadcrumbs[] = l(variable_get('uc_catalog_name', t('Catalog')), 'catalog');
				global $language;
				$catalog_name = variable_get('uc_catalog_name', 'Catalog');
				$catalog_id = variable_get('uc_catalog_vid', '1');
				$translated_name = i18nstrings("taxonomy:vocabulary:$catalog_id:name", $catalog_name, $language->language, FALSE);
				$breadcrumbs[] = l($translated_name, variable_get('uc_catalog_url', 'catalog'));
				//fix by alexku end
      }
    }
    $parents = taxonomy_get_parents_all($tid);
    // Remove current term from the breadcrumb.
    array_shift($parents);
    $types = uc_product_types();
    while (count($parents)) {
      $current = array_pop($parents);
      //fix by miraclegr start
      $current->name = tt("taxonomy:term:$current->tid:name", $current->name, NULL, FALSE);
      
      if ($current->description) {
        $current->description = tt("taxonomy:term:$current->tid:description", $current->description, NULL, FALSE);
      }
      //fix by miraclegr end
      if (!in_array($current->tid, $terms)) {
        $n = 0;
        foreach ($types as $type) {
          $n += taxonomy_term_count_nodes($current->tid, $type);
        }
        $current->nodes = $n;
        $breadcrumbs[] = l($current->name . (variable_get('uc_catalog_breadcrumb_nodecount', FALSE) && $current->nodes ? ' ('. $current->nodes .')' : ''), uc_catalog_path($current));
        $terms[] = $current->tid;
      }
    }
    //print '<pre>'. print_r($breadcrumbs, TRUE) .'</pre>';
    return $breadcrumbs;
  }
  else {
    return NULL;
  }
}