<?php

   $Settings = $this->getSettings();

   // If using local tags then just process the ones on this page otherwise search categories.
   if (strcasecmp($categories, "local") != 0) {
      // First process all post content for the selected categories
      $content = '';
      $lastposts = get_posts("numberposts=$last&cat=$categories");
      foreach ($lastposts as $id => $post) {
         $content .= $post->post_content;
      }
      $saved_tags = array_unique($this->tags);
      unset($this->tags);
      $this->tags = array();
      $this->contentFilter($content, FALSE, FALSE);
      $this->Settings = $Settings;                   // Reset settings as contentFilter will overwrite them
   }


   if ((count($this->tags) != 0) && is_array($this->tags))
   {

      $this->tags = array_unique($this->tags);
      $output = '<div class="amazon_container">';

      if (strcasecmp($Settings['wishlist_type'],'similar') == 0) {
 
         $request = array("Operation" => "CartCreate",
                          "MergeCart" => "True",
                          "ResponseGroup" => "CartSimilarities",
                          "IdType"=>"ASIN",
                          "MerchantId"=>"Amazon",
                          "AssociateTag"=>$Settings['tag']);
         // Get the Cart Similarities for the items found
         $counter=1;
         foreach ($this->tags as $asin)
         {
             if (strlen($asin) > 8) {
                $request["Item." . $counter . ".ASIN"] = $asin;
                $request["Item." . $counter . ".Quantity"] = 1;
                $counter++;
             }
         }
         //echo "<PRE>"; print_r($request); echo "</PRE>";
         $pxml = $this->doQuery($request);
         if ($pxml === False) {
            $output .= __('Amazon query failed to return any results - Have you configured the AWS settings?', 'amazon-link');
            $output .= print_r($request, true);
            $Items=array();
         } else {
            $Items=$pxml['Cart']['SimilarProducts']['SimilarProduct'];
         }

         foreach ($Items as $Item => $Details)
            $ASINs[] = $Details['ASIN'];

      } else if (strcasecmp($Settings['wishlist_type'],'random') == 0) {

         shuffle($this->tags);
         $ASINs = $this->tags;

      } else if (strcasecmp($Settings['wishlist_type'],'multi') == 0) {

         $ASINs = $this->tags;

      }
      
      $ASINs = array_slice($ASINs,0,$Settings['wishlist_items']);
      if (!isset($Settings['template'])) $this->Settings['template'] = $Settings['wishlist_template'];
      $output .= $this->make_links($ASINs, $Settings['text']);

      $output .= "</div>";

   } else {
      $output .= "<!--". sprintf(__('No [amazon] tags found in the last %1$s posts in categories %2$s', 'amazon-link'), $last, $categories). "--!>";
   }
   if (isset($saved_tags)) {
      $this->tags = array_unique($saved_tags);
      unset($saved_tags);
   }

   return $output;

?>