<?php

class WMTS
{
	public $output;

	public function get($objArr)
	{
		$_request = $objArr->_request;

		switch ($_request)
		{
			case "registerService":
				$this->output = $this->registerService($objArr);

				break;

			case "fetchLayers":
				$this->output = $this->fetchLayers($objArr);
				break;

			case "registerLayer":
				$this->output = $this->registerLayer($objArr);
				break;
		}
	}

	public function registerService($objArr)
	{
		require("config.php");

		$p = new PROXY();

		$objArr->_serviceUrl = PROXY::checkUrlScheme($objArr->_serviceUrl);

		$p->_url = $this->createGetCapabilitiesUri($objArr->_serviceUrl);

		$_username = $objArr->_username;

		$_password = $objArr->_password;

		$_isSecure = false;

		if((!empty($_username)) && (!empty($_password)))
		{
			$_isSecure = addCredentialsToSession($objArr->_serviceUrl, $objArr->_username, $objArr->_password);
		}else{
			removeCredentialsFromSession($objArr->_serviceUrl);
		}

		$p->get();

		$r = new RESPONSE();

		$r->_responseCode = $p->o_responseCode;

		if ($p->o_responseCode == 200)
		{

			$exc=$p->xmlNode("//ogc:ServiceExceptionReport/ogc:ServiceException/text()");

			if (!empty($exc))
			{
				$r->_errorStatus = 0;

				$r->_errorDescription = $p->xmlNode("//ogc:ServiceExceptionReport/ogc:ServiceException/text()");
			}
			else
			{

				$version = $p->xmlNode("string(//@version)");

				$sectionVersionManager = "WMTS_".$version;

				$section=$_config[$sectionVersionManager];

				$_serviceObject = new SERVICEOBJECT();

				$_serviceObject->_serviceId = md5($objArr->_serviceUrl);

				$_serviceObject->_serviceType = "WMTS";

				$_serviceObject->_isSecure = $_isSecure;

				$_serviceObject->_serviceName = $p->xmlNode($section["_serviceName"]);

				$_serviceObject->_serviceAbstract = $p->xmlNode($section["_serviceAbstract"]);

				$_serviceObject->_serviceTitle = $p->xmlNode($section["_serviceTitle"]);

				$_serviceObject->_serviceUrl = $objArr->_serviceUrl;

				$_serviceObject->_username = $p->_username;

				$_serviceObject->_password = $p->_password;

				$_serviceObject->_version = $p->xmlNode("string(//@version)");

				$_serviceObject->_isVector = false;

				$_serviceObject->_isService = true;

				$r->_response=$_serviceObject;

			}
		}
		else
		{
			$r->_errorDescription = $p->o_response;
		}

		return $r;

	}

	public function fetchLayers($objArr)
	{
		require("config.php");

		$p = new PROXY();

		$p->_url = $this->createGetCapabilitiesUri($objArr->_serviceUrl);

		$p->_username = $objArr->_username;

		$p->_password = $objArr->_password;

		$p->get();

		$r = new RESPONSE();

		$r->_responseCode = $p->o_responseCode;

		if ($p->o_responseCode == 200)
		{
			$exc=$p->xmlNode("//ogc:ServiceExceptionReport/ogc:ServiceException/text()");

			if (!empty($exc))
			{
				$r->_errorStatus = 0;

				$r->_errorDescription = $p->xmlNode("//ogc:ServiceExceptionReport/ogc:ServiceException/text()");
			}
			else
			{

				$version = $p->xmlNode("string(//@version)");

				$sectionVersionManager = "WMTS_".$version;

				$section=$_config[$sectionVersionManager];

				$countLayer = $p->xmlNode($section["_layer"]);

				$r_layers = Array();

				for ($i =1;$i<=$countLayer;$i++)
				{
					$layerId = md5($p->xmlNode(str_replace("[]","[".$i."]",$section["_layerName"])));

					$serviceId=md5($objArr->_serviceUrl);

					$supportedEPSG = array();

					$layerName = $p->xmlNode(str_replace("[]","[".$i."]",$section["_layerName"]));

					$wmtsMatrixSetLinks = $p->xmlNode(str_replace("{_layerName}",$layerName,$section["_matrixSetLinks"]));

					for ($a = 1; $a<=$wmtsMatrixSetLinks;$a++)
					{
						$wmtsMatrixSet = str_replace("{_layerName}",$layerName,$section["_matrixSetLink"]);

						$wmtsMatrixSet = $p->xmlNode(str_replace("[]","[".$a."]",$wmtsMatrixSet));

						$epsg = $p->xmlNode(str_replace("{_tileMatrixSet}",$wmtsMatrixSet,$section["_supportedEPSG"]));

						$supportedEPSG[]=$epsg;
					}

					$_layerObject=new LAYEROBJECT();

					$_layerObject->_serviceId = $serviceId;

					$_layerObject->_layerId = $serviceId.$layerId;

					$_layerObject->_layerName = $layerName;

					$_layerObject->_supportedEPSG=$supportedEPSG;

					$_layerObject->_layerTitle = $p->xmlNode(str_replace("[]","[".$i."]",$section["_layerTitle"]));

					$_layerObject->_layerAbstract = $p->xmlNode(str_replace("[]","[".$i."]",$section["_layerAbstract"]));

					$_layerObject->_layerLegend = $section["_layerLegend"];

					$_layerObject->_bboxMinX = $p->xmlNode(str_replace("[]","[".$i."]",$section["_bboxMinX"]));

					$_layerObject->_bboxMaxX = $p->xmlNode(str_replace("[]","[".$i."]",$section["_bboxMaxX"]));

					$_layerObject->_bboxMinY = $p->xmlNode(str_replace("[]","[".$i."]",$section["_bboxMinY"]));

					$_layerObject->_bboxMaxY = $p->xmlNode(str_replace("[]","[".$i."]",$section["_bboxMaxY"]));

					$_layerObject->_isQueryable = false;

					$_layerObject->_isSLDEditable=false;

					$_layerObject->_isSearchable=false;

					$_layerObject->_isVector = false;

					$_layerObject->_isPrintable = true;

					$r_layers[]=$_layerObject;
				}

				$_serviceObject = new SERVICEOBJECT();

				$_serviceObject->_serviceId = md5($objArr->_serviceUrl);

				$_serviceObject->_serviceType = "WMTS";

				$_serviceObject->_serviceName = $p->xmlNode($section["_serviceName"]);

				$_serviceObject->_serviceAbstract = $p->xmlNode($section["_serviceAbstract"]);

				$_serviceObject->_serviceTitle = $p->xmlNode($section["_serviceTitle"]);

				$_serviceObject->_serviceUrl = $objArr->_serviceUrl;

				$_serviceObject->_version = $p->xmlNode("string(//@version)");

				$_serviceObject->_layers = $r_layers;

				$r->_response=$_serviceObject;
			}
		}
		else
		{
			$r->_errorDescription = $p->o_response;
		}

		return $r;

	}

	public function registerLayer($objArr)
	{
		require("config.php");

		$p = new PROXY();

		$p->_url = $this->createGetCapabilitiesUri($objArr->_serviceUrl);

		$p->_username = $objArr->_username;

		$p->_password = $objArr->_password;

		$p->get();

		$r = new RESPONSE();

		$r->_responseCode = $p->o_responseCode;

		if ($p->o_responseCode == 200)
		{
			$exc=$p->xmlNode("//ogc:ServiceExceptionReport/ogc:ServiceException/text()");

			if (!empty($exc))
			{
				$r->_errorStatus = 0;

				$r->_errorDescription = $p->xmlNode("//ogc:ServiceExceptionReport/ogc:ServiceException/text()");
			}
			else
			{
				$version = $p->xmlNode("string(//@version)");

				$sectionVersionManager = "WMTS_".$version;

				$section=$_config[$sectionVersionManager];

				$wmtsMatrixSetLinks = $p->xmlNode(str_replace("{_layerName}",$objArr->_layerName,$section["_matrixSetLinks"]));

				$wmtsDetails=array();

				for ($a=1;$a<=$wmtsMatrixSetLinks;$a++)
				{

					$wmtsMatrixSet = str_replace("{_layerName}",$objArr->_layerName,$section["_matrixSetLink"]);

					$wmtsMatrixSet = $p->xmlNode(str_replace("[]","[".$a."]",$wmtsMatrixSet));

					$epsg = $p->xmlNode(str_replace("{_tileMatrixSet}",$wmtsMatrixSet,$section["_supportedEPSG"]));

					$matrixIds = str_replace("{_layerName}",$objArr->_layerName,$section["_matrixIds"]);

					$matrixIdsCount = $p->xmlNode(str_replace("[]","[".$a."]",$matrixIds));

					$matrixIdList = array();

					$martixId = str_replace("{_layerName}",$objArr->_layerName,$section["_matrixId"]);

					$martixId = str_replace("[]","[".$a."]",$martixId);

					for ($b=1;$b<=$matrixIdsCount;$b++)
					{
						$matrixIdList[]=$p->xmlNode(str_replace("[{}]","[".$b."]",$martixId));
					}

					$_WMTSLayerDetails=new WMTSLAYERDETAILS();

					$_WMTSLayerDetails->_matrixEPSG = $epsg;

					$_WMTSLayerDetails->_matrixSet = $wmtsMatrixSet;

					$_WMTSLayerDetails->_matrixIds = $matrixIdList;

					$_WMTSLayerDetails->_topLeftCornerX = $p->xmlNode(str_replace("{_tileMatrixSet}",$wmtsMatrixSet,$section["_topLeftCornerX"]));

					$_WMTSLayerDetails->_topLeftCornerY = $p->xmlNode(str_replace("{_tileMatrixSet}",$wmtsMatrixSet,$section["_topLeftCornerY"]));

					$wmtsDetails[] = $_WMTSLayerDetails;
				}

				$r->_response=$wmtsDetails;
			}
		}
		else
		{
			$r->_errorDescription = $p->o_response;
		}

		return $r;
	}


	public function createGetCapabilitiesUri($_url)
	{
		$_query["REQUEST"]="GETCAPABILITIES";

		$_query["SERVICE"]="WMTS";

		return PROXY::createUriQuery($_url, $_query);
	}
}

?>