<?php

include_once ROOTPATH."/../header.session.inc.php";

include_once ROOTPATH."/../expressoMail1_2/inc/class.imap_functions.inc.php";

class ImapServiceAdapter extends imap_functions/* implements Service*/
{
    public function open( $config )
    {
	$this->init();
    }

//     public function connect( $config )
//     {
// 	$this->init();
//     }
	
    public function find( $URI, $justthese = false, $criteria = false )
	{ 
	$context = $justthese['context'];
	    $URI = $URI['concept'];

	switch( $URI )
	{
	    case 'folder':
	    {
		$result = $this->to_utf8($this->get_folders_list());

		foreach ($result as $res) {

		    $response[] = array(
				    'id' => $res['folder_id'],
				    'commonName' => $res['folder_name'],
				    'parentFolder' => $res['folder_parent'],
				    'messageCount' => array('unseen' => isset($res['folder_unseen']) ? $res['folder_unseen'] : null, 'total' => null)
			    );
		}

		break;
	    }
	    case 'message':
	    {
		//begin: for grid	
		$page  = $criteria['page']; //{1}    get the requested page
		$limit = $criteria['rows']; //{10}   get how many rows we want to have into the grid
		$sidx  = $criteria['sidx']; //{id}   get index row - i.e. user click to sort
		$sord  = $criteria['sord']; //{desc} get the direction

		$filter = $criteria['filter'];

		if( !$sidx ) $sidx = 1;

		$folder_name = str_replace( '.', $this->imap_delimiter, $context['folder'] );
		
		$count = imap_num_msg( $this->open_mbox( $folder_name ) );

		$total_pages = $count > 0 ? ceil( $count/$limit ) : 0;

		if( $page > $total_pages )
		    $page = $total_pages;

		$start = $limit * $page - $limit;

		// do not put $limit*($page - 1)
		//end: for grid

		if( $filter )
		{
		    if( $filter[0] !== 'msgNumber' )
		    {
			for( $i = 0; $i < count($filter); $i++ )
			{
			    if( count( $filter[$i] ) === 4 )
				$criteria['isExact'] = ( array_shift( $filter[$i] ) === 'AND' );

			    $criteria[ $filter[$i][0] ] = array( 'criteria' => $filter[$i][2], 'filter' => $filter[$i][1] );
			}

			return $this->searchSieveRule($criteria);
		    }

		    $msgNumber = array();

		    for( $i = $start; $i < $start + $limit && isset( $filter[2][$i] ); $i++ )
			  $msgNumber[] = $filter[2][$i];

		    if( empty( $msgNumber ) )
			return( false );

		    $result = $this->get_info_msgs( array( 'folder' => $folder_name, 
							   'msgs_number' => implode( ',', $msgNumber ) ) );

		    foreach( $result as $i => $val )
			$result[$i] = unserialize( $val );

		}
		else
		{
		    $result = $this->get_range_msgs2( array( 'folder' => $folder_name, //INBOX
					 'msg_range_begin' => $start + 1, //??
					 'msg_range_end' => $start + $limit, //$limit = $_GET['rows']; // get how many rows we want to have into the grid
					 'sort_box_type' => 'SORTARRIVAL', 
					 'search_box_type' => 'ALL',
							     'sort_box_reverse' => 1 ) );
		}
		//return var_export($result);

		$response = array( "page" => $page, "total" => $total_pages, "records" => $count );
		
		for ($i=0; $i<count($result); $i++)
		{
		    $flags_enum = array('Recent', 'Unseen',  'Answered',  'Draft',  'Deleted', 'Flagged');

		    foreach ($flags_enum as $key => $flag)
		    {
			if ( !isset($result[$i][$flag]) || !trim($result[$i][$flag]) || trim($result[$i][$flag]) == '') 
				unset($flags_enum[$key]);
			unset($result[$i][$flag]);
		    }

		    if (array_key_exists($i, $result))
		    {
				$response["rows"][$i] = $result[$i];
			$response["rows"][$i]['timestamp'] = ( ( $result[$i]['udate'] + $this->functions->CalculateDateOffset() ) * 1000 );
				$response["rows"][$i]['flags'] = implode(',', $flags_enum);
				$response["rows"][$i]['size'] = $response["rows"][$i]['Size'];
// 			$response["rows"][$i]['udate'] = ( $result[$i]['udate'] + $this->functions->CalculateDateOffset()  * 1000 );
				unset($response["rows"][$i]['Size']);
		    }
		 }

		$response = $this->to_utf8($response);

		break;
	    }
	}
	return $response;
    }

//     public function retrieve( $concept, $id, $parents, $justthese = false, $criteria = false )
//     {
// 	return $this->read( array( 'id' => $id, 
// 			    'concept' => $concept, 
// 			    'context' => $parents ), $justthese );
//     }

    public function read( $URI, $justthese = false )
    {

	return $this->to_utf8( $this->get_info_msg( array('msg_number'=>$URI['id'],
													  'msg_folder'=>str_replace( '.', $this->imap_delimiter, $justthese['context']['folder'] )) ) );
    }

    public function create( $URI, $data )
    {}

    public function delete( $URI, $justthese = false, $criteria = false )
    {}

    public function deleteAll( $URI, $justthese = false, $criteria = false ) // avaliar
    {}

    public function update( $URI, $data, $criteria = false )
    {}

    public function replace( $URI, $data, $criteria = false )
    {}

    public function close()
    {}

    public function setup()
    {}

    public function commit( $uri )
    { return( true ); }

    public function rollback( $uri )
    {}

    public function begin( $uri )
    {}


    public function teardown()
    {}

    function to_utf8($in) 
    { 
	if (is_array($in)) { 
		foreach ($in as $key => $value) { 
			$out[$this->to_utf8($key)] = $this->to_utf8($value); 
		} 
	} elseif(is_string($in)) { 
			return mb_convert_encoding( $in , 'UTF-8' , 'UTF-8 , ISO-8859-1' ); 
	} else { 
		return $in; 
	} 
	return $out; 
    }

}