<?
final class RealsRequest
{
	private $URL = 'http://www.reals.cz/import.php';
	private $Username = null;
	private $Password = null;
	private $Result = null;
	private final function PrepareData( $Data, $Key = null )
	{
		if ( !is_array( $Data ) )
		{
			return null;	
		}
		$Result = array();
		reset( $Data );		
		for( $i = 0; $i < count( $Data ); $i++ )
		{
			if ( !$Key )
			{
				$TmpKey = key( $Data );
			}
			else
			{
				$TmpKey = $Key . '[' . key( $Data ) . ']';
			}
			if ( is_array( $Data[ key( $Data ) ] ) )
			{
				$Result[] = $this -> PrepareData( $Data[ key( $Data ) ], $TmpKey );
			}
			else
			{
				$Result[] = $TmpKey . '=' . urlencode( $Data[ key( $Data ) ] );
			}
			next( $Data );
		}
		$Result = implode( '&', $Result );
		return $Result;
	}
	private final function XMLToArray( $XML )
	{
        $i = 0;
		if ( preg_match( '(\<([^>?]*)\>)', $XML ) )
		{
			$Array = array();
			while( preg_match( '(\<([^>?]*)\>)', $XML, $ParsedXML ) )
			{
				$i++;
				$Tag = $ParsedXML[ 1 ];
				$Begin = strpos( $XML, '<' . $Tag . '>' );
				$Content = substr( $XML, $Begin +strlen( $Tag ) + 2 );
				$Begin = strpos( $Content, '<' . $Tag . '>' );
				$End = strpos( $Content, '</' . $Tag . '>' );
				$TagLenght = strlen( '</' . $Tag . '>' );
				while ( $Begin && $Begin < $End )
				{		
					$StartSearch = $End + $TagLenght;
					$Begin = strpos( $Content, '<' . $Tag . '>', $StartSearch );
					$End = strpos( $Content, '</' . $Tag . '>', $StartSearch );
				}	
				$XML = substr( $XML, -strlen( $Content ) + $End + $TagLenght );
				if ( $Tag != 'item' )
				{
					$Array[ $Tag ] = $this -> XMLToArray( substr( $Content, 0, $End ) );
				}
				else
				{
					$Array[ ] = $this -> XMLToArray( substr( $Content, 0, $End ) );
				}			
			}
			return $Array;
		}
		return $XML;
	}
	public final function RealsRequest( $Username, $Password )
	{
		$this -> Username = $Username;
		$this -> Password = $Password;
		return;	
	}
	public final function Send( $Method, $Data )
	{	
		$Data = array
		(
			'data' => $Data,
			'method' => $Method,
			'username' => $this -> Username,
			'password' => $this -> Password
		);
		$Header = '';
		$PostData = $this -> PrepareData( $Data );
		$URL = parse_url( $this -> URL );
		if ( $URL[ 'scheme' ] != 'http' )
		{ 
			return false;
		}		
		$Socket = fsockopen( $URL[ 'host' ], 80 );
		fputs( $Socket, "POST " . $URL[ 'path' ] . " HTTP/1.1\r\n" );
		fputs( $Socket, "Host: " . $URL[ 'host' ] . "\r\n" );
		fputs( $Socket, "Content-type: application/x-www-form-urlencoded\r\n" );
		fputs( $Socket, "Content-length: ". strlen( $PostData ) ."\r\n" );
		fputs( $Socket, "Connection: close\r\n\r\n" );
		fputs( $Socket, $PostData );
		$Result = '';
		while( !feof( $Socket ) )
		{
			$Result .= fgets( $Socket, 65535 );
		}		
		fclose( $Socket );		
		$Result = explode( "\r\n\r\n", $Result, 2 );	
		$this -> Result = isset( $Result[ 1 ] ) ? $Result[ 1 ] : '';
		return $this -> Result;
	}
	public final function Result()
	{
		return $this -> Result;
	}
	public final function ResultAsArray()
	{
		return $this -> XMLToArray( $this -> Result );
	}
}
?>