<?php 
defined('C5_EXECUTE') or die("Access Denied.");

class SearchBlockController extends BlockController {
	
	var $pobj;
	  
	protected $btTable = 'btSearch';
	protected $btInterfaceWidth = "400";
	protected $btInterfaceHeight = "170";
	
	public $title = "";
	public $buttonText = ">"; 
	public $baseSearchPath = "";
	public $resultsURL = "";
		
	protected $hColor = '#EFE795';

	public function highlightedMarkup($fulltext, $highlight) {
	   if(!empty($highlight)){
		$this->hText = $fulltext;
		$this->hHighlight  = str_replace(array('"',"'","&quot;"),'',$highlight); // strip the quotes as they mess the regex
		$this->hText = @preg_replace( "#$this->hHighlight#iu", '<span style="background-color:'. $this->hColor .';">$0</span>', $this->hText );	
		return $this->hText; 
        }
        return $fulltext;
	}
	
	public function highlightedExtendedMarkup($fulltext, $highlight) {
		$text = @preg_replace("#\n|\r#", ' ', $fulltext);
		
		$matches = array();
		$highlight = str_replace(array('"',"'","&quot;"),'',$highlight); // strip the quotes as they mess the regex
		
		$regex = '([a-z|A-Z|一-龠|ぁ-ん|ァ-ヴ|0-9|\.|_|\s]{0,40})'. $highlight .'([a-z|A-Z|一-龠|ぁ-ん|ァ-ヴ|0-9|\.|_|\s]{0,40})';
		preg_match_all("#$regex#iu", $text, $matches);
		
		if(!empty($matches[0])) {
			$body_length = 0;
			$body_string = array();
			foreach($matches[0] as $line) {
				$body_length += strlen($line);
				
				$body_string[] = $this->highlightedMarkup($line, $highlight);
				
				if($body_length > 150)
					break;
			}
			if(!empty($body_string))
				return @implode("....", $body_string);
		}
	}
	
	/** 
	 * Used for localization. If we want to localize the name/description we have to include this
	 */
	public function getBlockTypeDescription() {
		return t("Add a search box to your site.");
	}
	
	public function getBlockTypeName() {
		return t("Search");
	}		
	
	public function getJavaScriptStrings() {
		return array('search-title' => t('Please enter a valid search title.'));
	}
	
	function __construct($obj = null) {		
		parent::__construct($obj);
		if ($this->title == '') {
			$this->title=t("Search");
		}
	}
	
	public function indexExists() {
		$db = Loader::db();
		$numRows = $db->GetOne('select count(cID) from PageSearchIndex');
		return ($numRows > 0);
	}
	
	function view(){
		$c = Page::getCurrentPage(); 
		$this->set('title', $this->title);
		$this->set('buttonText', $this->buttonText);
		$this->set('baseSearchPath', $this->baseSearchPath);			
		
		//auto target is the form action that is used if none is explicity set by the user
		$autoTarget= $c->getCollectionPath();
		/* 
		 * This code is weird. I don't know why it's here or what it does 
		 
		if( is_array($_REQUEST['search_paths']) ){
			foreach($_REQUEST['search_paths'] as $search_path){
				$autoTarget=str_replace('search_paths[]='.$search_path,'',$autoTarget);
				$autoTarget=str_replace('search_paths%5B%5D='.$search_path,'',$autoTarget);
			}
		}
		$autoTarget=str_replace('page='.$_REQUEST['page'],'',$autoTarget);
		$autoTarget=str_replace('submit='.$_REQUEST['submit'],'',$autoTarget);
		$autoTarget=str_replace(array('&&&&','&&&','&&'),'',$autoTarget);
		*/
		
		$resultTargetURL = ($this->resultsURL != '') ? $this->resultsURL : $autoTarget;			
		$this->set('resultTargetURL', $resultTargetURL);

		//run query if display results elsewhere not set, or the cID of this page is set
		if( !empty($_REQUEST['query']) || isset($_REQUEST['akID']))  { 
			$this->do_search();
		}						
	}
	
	function save($data) { 
		$args['title'] = isset($data['title']) ? $data['title'] : '';
		$args['buttonText'] = isset($data['buttonText']) ? $data['buttonText'] : '';
		$args['baseSearchPath'] = isset($data['baseSearchPath']) ? $data['baseSearchPath'] : '';
		if( $args['baseSearchPath']=='OTHER' && intval($data['searchUnderCID'])>0 ){
			$customPathC = Page::getByID( intval($data['searchUnderCID']) );
			if( !$customPathC )	$args['baseSearchPath']='';
			else $args['baseSearchPath'] = $customPathC->getCollectionPath();
		}
		if( trim($args['baseSearchPath'])=='/' || strlen(trim($args['baseSearchPath']))==0 )
			$args['baseSearchPath']='';	
		$args['resultsURL'] = ( $data['externalTarget']==1 && strlen($data['resultsURL'])>0 ) ? trim($data['resultsURL']) : '';		
		parent::save($args);
	}
	
	public $reservedParams=array('page=','query=','search_paths[]=','submit=','search_paths%5B%5D=' );
	
	function do_search() {
		$_q = $_REQUEST['query'];
		//$_q = preg_replace('/[^A-Za-z\']/i', '', $_REQUEST['query']);
		Loader::library('database_indexed_search');
		$ipl = new IndexedPageList();
		$aksearch = false;
		if (is_array($_REQUEST['akID'])) {
			Loader::model('attribute/categories/collection');
			foreach($_REQUEST['akID'] as $akID => $req) {
				$fak = CollectionAttributeKey::getByID($akID);
				if (is_object($fak)) {
					$type = $fak->getAttributeType();
					$cnt = $type->getController();
					$cnt->setAttributeKey($fak);
					$cnt->searchForm($ipl);
					$aksearch = true;
				}
			}
		}
		
		if((empty($_REQUEST['query']) && $aksearch == false) || $this->resultsURL != '') {
			return false;		
		}
		
		$ipl->setSimpleIndexMode(true);
		if (isset($_REQUEST['query'])) {
			$ipl->filterByKeywords($_q);
		}
		
		if( is_array($_REQUEST['search_paths']) ){ 
			
			foreach($_REQUEST['search_paths'] as $path) {
				if(!strlen($path)) continue;
				$ipl->filterByPath($path);
			}
		}

		$res = $ipl->getPage(); 
		
		foreach($res as $r) { 
			$results[] = new IndexedSearchResult($r['cID'], $r['cName'], $r['cDescription'], $r['score'], $r['cPath'], $r['content']);
		}
		
		$this->set('query', $_q);
		$this->set('paginator', $ipl->getPagination());
		$this->set('results', $results);
		$this->set('do_search', true);
	}		
	
}

?>