<?php
	class OpenLDBWS
	{
		private $soapClient = NULL;
		private $accessToken;
		private $trace;

		function __construct($accessToken,$trace=FALSE)
		{
			$this->accessToken = $accessToken;
			$this->trace = $trace;
			$soapOptions = array("trace"=>$this->trace,"compression"=>SOAP_COMPRESSION_ACCEPT|SOAP_COMPRESSION_GZIP);
			$this->soapClient = new SoapClient("http://lite.realtime.nationalrail.co.uk/OpenLDBWS/wsdl.aspx",$soapOptions);
			$soapVar = new SoapVar(array("ns2:TokenValue"=>$this->accessToken),SOAP_ENC_OBJECT);
			$soapHeader = new SoapHeader("http://thalesgroup.com/RTTI/2010-11-01/ldb/commontypes","AccessToken",$soapVar,FALSE);
			$this->soapClient->__setSoapHeaders($soapHeader);
		}

		private function call($method,$params)
		{
			try
			{
				$response = $this->soapClient->$method($params);
			}
			catch(SoapFault $soapFault)
			{
				if ($this->trace)
				{
					$traceOutput["soapFaultMessage"] = $soapFault->getMessage();
					$traceOutput["soapClientRequest"] = str_replace($this->accessToken,"",$this->soapClient->__getLastRequest());
					$traceOutput["soapClientResponse"] = $this->soapClient->__getLastResponse();
					print_r($traceOutput);
				}
			}

			return (isset($response)?$response:FALSE);
		}

		function StationBoard($method,$numRows,$crs,$filterCrs,$filterType,$timeOffset,$timeWindow)
		{
			$params["numRows"] = $numRows;
			$params["crs"] = $crs;
			if ($filterCrs) $params["filterCrs"] = $filterCrs;
			if ($filterType) $params["filterType"] = $filterType;
			if ($timeOffset) $params["timeOffset"] = $timeOffset;
			if ($timeWindow) $params["timeWindow"] = $timeWindow;
			return $this->call($method,$params);
		}

		function DeparturesBoard($method,$crs,$filterList,$timeOffset,$timeWindow)
		{
			$params["crs"] = $crs;
			$params["filterList"] = $filterList;
			if ($timeOffset) $params["timeOffset"] = $timeOffset;
			if ($timeWindow) $params["timeWindow"] = $timeWindow;
			return $this->call($method,$params);
		}

		function GetDepartureBoard($numRows,$crs,$filterCrs="",$filterType="",$timeOffset="",$timeWindow="")
		{
			return $this->StationBoard("GetDepartureBoard",$numRows,$crs,$filterCrs,$filterType,$timeOffset,$timeWindow);
		}

		function GetDepBoardWithDetails($numRows,$crs,$filterCrs="",$filterType="",$timeOffset="",$timeWindow="")
		{
			return $this->StationBoard("GetDepBoardWithDetails",$numRows,$crs,$filterCrs,$filterType,$timeOffset,$timeWindow);
		}

		function GetArrivalBoard($numRows,$crs,$filterCrs="",$filterType="",$timeOffset="",$timeWindow="")
		{
			return $this->StationBoard("GetArrivalBoard",$numRows,$crs,$filterCrs,$filterType,$timeOffset,$timeWindow);
		}

		function GetArrBoardWithDetails($numRows,$crs,$filterCrs="",$filterType="",$timeOffset="",$timeWindow="")
		{
			return $this->StationBoard("GetArrBoardWithDetails",$numRows,$crs,$filterCrs,$filterType,$timeOffset,$timeWindow);
		}

		function GetArrivalDepartureBoard($numRows,$crs,$filterCrs="",$filterType="",$timeOffset="",$timeWindow="")
		{
			return $this->StationBoard("GetArrivalDepartureBoard",$numRows,$crs,$filterCrs,$filterType,$timeOffset,$timeWindow);
		}

		function GetArrDepBoardWithDetails($numRows,$crs,$filterCrs="",$filterType="",$timeOffset="",$timeWindow="")
		{
			return $this->StationBoard("GetArrDepBoardWithDetails",$numRows,$crs,$filterCrs,$filterType,$timeOffset,$timeWindow);
		}

		function GetNextDepartures($crs,$filterList,$timeOffset="",$timeWindow="")
		{
			return $this->DeparturesBoard("GetNextDepartures",$crs,$filterList,$timeOffset,$timeWindow);
		}

		function GetNextDeparturesWithDetails($crs,$filterList,$timeOffset="",$timeWindow="")
		{
			return $this->DeparturesBoard("GetNextDeparturesWithDetails",$crs,$filterList,$timeOffset,$timeWindow);
		}

		function GetFastestDepartures($crs,$filterList,$timeOffset="",$timeWindow="")
		{
			return $this->DeparturesBoard("GetFastestDepartures",$crs,$filterList,$timeOffset,$timeWindow);
		}

		function GetFastestDeparturesWithDetails($crs,$filterList,$timeOffset="",$timeWindow="")
		{
			return $this->DeparturesBoard("GetFastestDeparturesWithDetails",$crs,$filterList,$timeOffset,$timeWindow);
		}

		function GetServiceDetails($serviceID)
		{
			$params["serviceID"] = $serviceID;
			return $this->call("GetServiceDetails",$params);
		}
	}
?>