<?php

require_once("nusoap.php");

class gamy {

  var $google_key = 'a2BfkPxQFHJaYmXZg7afXRoDlN//o1J8';
  var $yahoo_appid = "hubfinder";
  var $msn_appid = '099513EF195141A85F2EE2F2E4DE03BB27F2ADD9';
  var $search_results = array();

  var $google_results = array();
  var $yahoo_results = array();
  var $msn_results = array();
  var $jeeves_results = array();
  var $teoma_results = array();

  var $excluded_sites = array();
  var $query;
  var $result_num;
  var $totals;

  function gamy($q = NULL, $n = 10) {
    $this->query = $q;
    if ($n > 10) $this->result_num = round($n / 10) * 10;
    else $this->result_num = $n;
  }

  function exclude_site($site) {
    array_push($this->excluded_sites,$site);
  }


  function search_msn() {
    $this->msn_results = array();
    $i = 0;
    $query = $this->query;
    foreach($this->excluded_sites AS $site) {
      $query .= " -site:$site";
    }
    if ($this->result_num < 50) $result_num = $this->result_num;
    else $result_num = 50;
    for ($x = 0; $x < $this->result_num; $x+=50) {
      $parameters = array(
         'AppID' => $this->msn_appid,
         'Query' => $query,
         'CultureInfo' => 'en-US',
         'SafeSearch' => 'Off',
         'Requests' => array (
             'SourceRequest' => array (
                 'Source' => 'Web',
                 'Offset' => $x,
                 'Count' => $result_num,
                 'ResultFields' => 'All'
             )
         )
      );
      $soapclient = new soapclient("http://soap.search.msn.com/webservices.asmx");
      $result = $soapclient->call('Search', array('Request' => $parameters), "http://schemas.microsoft.com/MSNSearch/2005/09/fex");
      $this->totals[msn] = $result[Responses][SourceResponse][Total];
      if ($result[Responses][SourceResponse][Total] == 0) return;
      foreach($result[Responses][SourceResponse][Results] AS $element_array) {
        $url = str_replace('http://','',$element_array[Url]);
        if (substr($url,-1,1) == '/') $url = substr($url,0,strlen($url) - 1);

        $this->msn_results[$i][url] = $url;
        $this->msn_results[$i][title] = $element_array[Title];
        $this->msn_results[$i][desc] = $element_array[Description];
        $this->msn_results[$i][engine] = 'msn';
        $this->msn_results[$i][position] = $i + 1;
        array_push($this->search_results,$this->msn_results[$i]);
        $i++;
      }
    }
  }

  function search_jeeves() {
    $this->jeeves_results = array();
    $loop_num = $this->result_num / 10;
    $i = 0;
    for ($x = 1; $x <= $loop_num; $x++) {
      $raw_page = file_get_contents("http://web.ask.com/web?q=" . $this->query . "&page=$x");
      $page_array = explode("\n",$raw_page);
      foreach ($page_array AS $line) {
        if ((is_numeric(strpos($line,'class="T10"'))) && (is_numeric(strpos($line,'id="r')))) {
          $url = str_replace('http://','',trim(strip_tags($line)));
          if (substr($url,-1,1) == '/') $url = substr($url,0,strlen($url) - 1);
          $this->jeeves_results[$i][url] = $url;
          $this->jeeves_results[$i][engine] = 'jeeves';
          $this->jeeves_results[$i][position] = $i + 1;
          $i++;
        } elseif ((is_numeric(strpos($line,'class="L4"'))) && (is_numeric(strpos($line,'id="r')))) {
          $title = trim(strip_tags($line));
          $this->jeeves_results[$i][title] = $title;
        } elseif ((is_numeric(strpos($line,'class="T1"'))) && (is_numeric(strpos($line,'id="r')))) {
          $desc = trim(strip_tags($line));
          $this->jeeves_results[$i][desc] = $desc;
        } elseif (is_numeric(strpos($line,'Results 1-10 of'))) {
          $total = trim(str_replace(array('Results 1-10 of',','),'',$line));
          $this->totals[jeeves] = $total;
        }
        array_push($this->search_results,$this->jeeves_results[$i]);
      }
    }
  }

  function get_text($start,$end, $haystack) {
    if ((!$start) || (!$end) || (!$haystack)) return false;
    $temp = explode($start,$haystack);
    $temp = explode($end,$temp[1]);
    return $temp[0];
  }

  function search_teoma() {
    $this->teoma_results = array();
    $loop_num = $this->result_num / 10;
    for ($x = 1; $x <= $loop_num; $x++) {
      $raw_page = file_get_contents("http://s.teoma.com/search?q=" . $this->query . "&page=$x");
      $page_array = explode('<div id="result">',$raw_page);
      $this->totals[jeeves] = str_replace(',','',get_text('<span class="bold">Showing 1-10 of about ',':</span>',$page_array));
      $start = ($x - 1) * 10;
      $stop = $start + 10;
      $j = 1;
      for ($i = $start; $i < $stop; $i++) {
        $this->teoma_results[$i][title] = get_text('"cs()">','<div>',$page_array[$j]);
        $this->teoma_results[$i][engine] = 'jeeves';
        $this->teoma_results[$i][position] = $i+1;
        $this->teoma_results[$i][desc] = get_text('<div>','</div>',$page_array[$j]);
        $url = get_text('te_id=&amp;u=','"',$page_array[$j]);
        if (substr($url,-1,1) == '/') $url = substr($url,0,strlen($url) - 1);
        $this->teoma_results[$i][url] = $url;
        $j++;
        array_push($this->search_results,$this->teoma_results[$i]);
      }
    }
  }


  function search_google() {
    $this->google_results = array();
    $i = 0;
    if ($this->result_num < 10) $result_num = $this->result_num;
    else $result_num = 10;
    for ($x = 0; $x < $this->result_num; $x+=10) {
      $parameters = array(
                 "key"         => $this->google_key,
                 "q"           => $this->query,
                 "start"       => $x,
                 "maxResults"  => $result_num,
                 "filter"      => "false",
                 "restrict"    => "",
                 "safeSearch"  => "false",
                 "lr"          => "lang_en",
                 "ie"          => "",
                 "oe"          => ""
                 );
      $soapclient = new soapclient("http://api.google.com/GoogleSearch.wsdl"); // [1]
      $result = $soapclient->call("doGoogleSearch", $parameters);
      $this->totals[google] = $result[estimatedTotalResultsCount];
      if (!is_array($result)) return;
      foreach($result[resultElements] AS $element_array) {
        $url = str_replace('http://','',$element_array[URL]);
        if (substr($url,-1,1) == '/') $url = substr($url,0,strlen($url) - 1);
        $this->google_results[$i][url] = $url;
        $this->google_results[$i][title] = $element_array[title];
        $this->google_results[$i][desc] = $element_array[snippet];
        $this->google_results[$i][engine] = 'google';
        $this->google_results[$i][position] = $i + 1;
        array_push($this->search_results,$this->google_results[$i]);
        $i++;
      }
    }
  }

  function search_yahoo () {
    $this->yahoo_results = array();
    $i = 0;
    if ($this->result_num > 50) {
      $result_num = 50;
      $query_num = round($this->result_num / 50);
      $final_num = $this->result_num - $query_num * 50;
      if ($final_num > 0) $query_num++;
    } else {
      $result_num = $this->result_num;
      $query_num = 1;
      $final_num = $result_num;
    }

    $query = str_replace(' ','%20',$this->query);

    foreach($this->excluded_sites AS $site) {
      $query .= "%20-site:$site";
    }

    for ($count = 1; $count <= $query_num; $count++) {
      if ($count == $query_num) $result_num = $final_num;
      $start = 50 * ($count - 1);
      $final_query = 'http://api.search.yahoo.com/WebSearchService/V1/webSearch?query=' . $query . '&results=' . $result_num . '&start=' . $start . '&appid=' . $this->yahoo_appid;
      $site_results = file_get_contents($final_query);
      $dom = domxml_open_mem($site_results,DOMXML_LOAD_PARSING,$error);
      if ($dom) {
        $root = $dom->document_element();
        $this->totals[yahoo] = $root->get_attribute('totalResultsAvailable');
        $node = $root->first_child();
        while($node) {
          $subnode = $node->first_child();
          while ($subnode) {
            if ($subnode->tagname == 'Url') {
              $url = str_replace('http://','',trim($subnode->get_content()));
              if (substr($url,-1,1) == '/') $url = substr($url,0,strlen($url) - 1);
              $this->yahoo_results[$i][url] = $url;
            } elseif ($subnode->tagname == 'Title') {
              $title = str_replace('http://','',trim($subnode->get_content()));
              $this->yahoo_results[$i][title] = $title;
            } elseif ($subnode->tagname == 'Summary') {
              $desc = str_replace('http://','',trim($subnode->get_content()));
              $this->yahoo_results[$i][desc] = $desc;
            }
            $subnode = $subnode->next_sibling();
          }
          $this->yahoo_results[$i][engine] = 'yahoo';
          $this->yahoo_results[$i][position] = $i + 1;
          array_push($this->search_results,$this->yahoo_results[$i]);
          $i++;
          $node = $node->next_sibling();
        }
      }
    }
  }
}