<?php

/**
 * @class CatalogMgr
 */

class CatalogMgr extends TimeTableMgr
{
	function __construct($sharedObject = FALSE) {
		parent::__construct('Tt.xml', $sharedObject);
		$this->contentRootId = 'catalog-treeRootNode';
		$this->contentRootTag = 'catalogList';
		$this->attributes = array('name' => '', 'intervals' => ''); // +  'parameters'
		$this->optionalAttributes = array();
		$this->objTagName =   'catalog';
		$this->id_prefix = 'cat_'; // 'tt_' ?

		if (!$sharedObject && !file_exists($this->xmlName)) {
			  $this->createDom();
			  $this->xp = new domxpath($this->contentDom);
		}
	}

	public function getTmpObject($folderId, $name, $onlyDescription = false)
	{
		$filePath = USERWORKINGDIR.$folderId.'/'.$name.'.xml';

		if (!file_exists($filePath))
			return array('error' => 'Cannot find result file');

		$dom = new DomDocument('1.0');
		$dom->formatOutput = true;

		if (!$dom -> load($filePath))
			return array('error' => 'Cannot load result file');
		$nameNodes = $dom->getElementsByTagName('name');
		if ($nameNodes->length > 0)
			$attributesToReturn['name'] = $nameNodes->item(0)->nodeValue;

		$descNodes = $dom->getElementsByTagName('description');
		if ($descNodes->length > 0)
			$attributesToReturn['description'] = $descNodes->item(0)->nodeValue;

		$creatNodes = $dom->getElementsByTagName('created');
		if ($creatNodes->length > 0)
			$attributesToReturn['created'] = $creatNodes->item(0)->nodeValue;

		$histNodes = $dom->getElementsByTagName('history');
		if ($histNodes->length > 0)
			$attributesToReturn['history'] = $histNodes->item(0)->nodeValue;

		$attributesToReturn['objName'] = $name;
		$attributesToReturn['folderId'] = $folderId;
		$attributesToReturn['success'] = true;

		if (!$onlyDescription)
		{
			$intNodes = $dom->getElementsByTagName('intervals');
			foreach ($intNodes as $intNode)
			{
				$startNodes = $intNode->getElementsByTagName('start');
				if ($startNodes->length <= 0)
					return array('error' => 'Error detected in result file');

				$stopNodes = $intNode->getElementsByTagName('stop');
				if ($stopNodes->length <= 0)
					return array('error' => 'Error detected in result file');

				// for catalog
				$paramNodes = $intNode->getElementsByTagName('param');
				$params = array();
				if ($paramNodes->length > 0)
					foreach ( $paramNodes as $paramNode ) $params[] = $paramNode->nodeValue;


				$attributesToReturn['intervals'][] = array('start' => $startNodes->item(0)->nodeValue,
									    'stop' => $stopNodes->item(0)->nodeValue,
									    'paramTable' =>  $params);
			}
			// for catalog
			$paramsNodes = $dom->getElementsByTagName('parameter');

			if ($paramsNodes->length > 0){

			  $paramsArray = array();
			  foreach ($paramsNodes as $paramNode) {

			    $oneParam = array();
			    foreach ($paramNode->attributes as $attr)
				    $oneParam[$attr->nodeName] = $attr->nodeValue;

			     if (substr($paramNode->getAttribute('id'),0,8) == 'stat_cov') {
				    $oneParam['size'] = '1';
				    $oneParam['name'] = 'Flag';
			      }

			    $paramsArray[] = $oneParam;
			  }
			$attributesToReturn['success'] = true;
			$attributesToReturn['parameters'] = $paramsArray;
			}
			else
			    return array('error' => 'No information on parameters in result file');
		}

		return  $attributesToReturn;
	}


	public function loadIntervalsFromObject($id, $type, $start = NULL, $limit = NULL)
	{
		if ($type == 'sharedcatalog') {
	    	//Shared object
			$sharedObjMgr = new SharedObjectsMgr();
			$path = $sharedObjMgr->getDataFilePath('catalog', $id);
	      }
	    else {
		    $path = USERTTDIR.$id.'.xml';
	    }

	      //load intervals from TT id
		if (!file_exists($path))
			return array('success' => false, 'message' => "Cannot find Catalog file ".$type);

	      $this->objectDom->load($path);

		if (!($objToGet = $this->objectDom->getElementById($id)))
			return array('success' => false, 'message' => NO_SUCH_ID." ".$id);

	      $xpath = new DOMXPath($this->objectDom);
	      $intervals =  $xpath->query('//intervals');

	      $result = array();

		if (!isset($start) || !isset($limit))
		{
			foreach ($intervals as $interval)
			{
				$startTime = $interval->getElementsByTagName('start')->item(0)->nodeValue;
				$stopTime  = $interval->getElementsByTagName('stop')->item(0)->nodeValue;
				// for catalog
				$paramNodes = $interval->getElementsByTagName('param');
				$params = array();
				if ($paramNodes->length > 0)
					foreach ( $paramNodes as $paramNode ) $params[] = $paramNode->nodeValue;

				array_push($result, array('start' => $startTime, 'stop' => $stopTime,'paramTable' =>  $params));

			}
		}
		else
	      {
			for ($i = 0; $i < $limit; ++$i)
			{
			  if ($start+$i >= $intervals->length)
				  break;
				$startTime = $intervals->item($start+$i)->getElementsByTagName('start')->item(0)->nodeValue;
				$stopTime  = $intervals->item($start+$i)->getElementsByTagName('stop')->item(0)->nodeValue;
				// for catalog
				$paramNodes = $intervals->item($start+$i)->getElementsByTagName('param');
				$params = array();
				if ($paramNodes->length > 0)
					foreach ( $paramNodes as $paramNode ) $params[] = $paramNode->nodeValue;

				array_push($result, array('start' => $startTime, 'stop' => $stopTime,'paramTable' =>  $params));
			}
		}
		// for catalog : params header
			$paramsNodes =  $xpath->query('//parameters/parameter');
			$paramsArray = array();

			if ($paramsNodes->length > 0)
			{
				foreach ($paramsNodes as $paramNode)
				{
					$oneParam = array();
					foreach ($paramNode->attributes as $attr)
						$oneParam[$attr->nodeName] = $attr->nodeValue;
					$paramsArray[] = $oneParam;
				}
			}

		return array(
			  'totalCount' => $intervals->length,
			  'intervals'  => $result,
			  'parameters' => $paramsArray,
			  'start' => isset($start) ? $start : 0,
			  'limit' => isset($limit) ? $limit : 0,
			  'success'    => true
	      );

      }

        /*
        *   catalog header
        */
	protected function setParamDescription($params)
	{
		$paramsElement = $this->objectDom->createElement('parameters');
		foreach ($params as $param)
		{
			$paramElement = $this->objectDom->createElement('parameter');
			$attrArray = (array)$param;
			foreach ($attrArray as $key => $value)
				$paramElement->setAttribute($key, $value);
			$paramsElement->appendChild($paramElement);
		}

	return $paramsElement;
	}

      protected function createIntervalElement($interval, $options = array())
      {
		$newInterval = $this->objectDom->createElement('intervals');
		$newInterval->appendChild($this->objectDom->createElement('start',$interval['start']));
		$newInterval->appendChild($this->objectDom->createElement('stop',$interval['stop']));
		if (!empty($options['parameters'])) {
			foreach ($options['parameters'] as $parameter) {
				$newInterval->appendChild($this->objectDom->createElement('param', $interval[$parameter['id']]));
			}
		}
	return $newInterval;
      }

	public function createObject($p, $folder)
	{
		if ($p -> leaf)
		{
			$result = $this->createParameter($p, $folder);
			if ($result['error'])
				return $result;

			$cacheMgr = new CatalogCacheMgr();

			if (isset($p->cacheToken) && ($p->cacheToken != ''))
			{
				$resultSaveInt = $cacheMgr->saveInObject($result['id'], "update", $p->cacheToken);
				if (!$resultSaveInt['success'])
				{
					if ($resultSaveInt['message'])
						return array('error' => $resultSaveInt['message']);
					else
						return array('error' => 'Unknown error during intervals save');
				}
			}
			return $result;
		}
		//      else return $this->createFolder($p);
		//TODO check if this is possible?
		else return array('error' => 'createFolder should be called from RENAME');

	}

	public function initForChart($id, $name, $isTmpObject, $type)
	{
	       $intervals_res = $this->getCatalogParamDescription($id, $name, $isTmpObject, $type);

		if (!$intervals_res['success'])
			return $intervals_res;

		$paramHeaders = array();

		foreach ( $intervals_res['parameters'] as $param ) {

		  if ($param['size'] > 1) {

			for ($i = 0; $i < $param['size']; $i++) {
				$paramComp = array();
				$paramComp['id'] = $param['id'].'_'.$i;
				$paramComp['name'] = $param['name'].'_'.$i;
			//	$paramComp['size'] = 1;

				$paramHeaders[] = $paramComp;
			}
		  }
		  else {
		       $paramHeaders[] = $param;
		  }
		}

	//	unset($intervals_res);

		return array('success' => true, 'parameters' => $paramHeaders,
				'totalCount' =>  $intervals_res['totalCount'], 'name' => $intervals_res['name']);
	}


	public function getIntervalsForChart($id, $name, $isTmpObject, $type) {

		if ($isTmpObject)
			$intervals_res = $this->getTmpObject($id, $name);
		else
			$intervals_res = $this->loadIntervalsFromObject($id,$type);

		if (!$intervals_res['success'])
			return $intervals_res;

		$newIntervals = array();

		foreach ($intervals_res['intervals'] as $interval)
		{
			$newIntervalComp = array();
			$k = 0;

			for ( $j = 0; $j < count($interval['paramTable']); $j++ ) {

				$param = $interval['paramTable'][$j];
				$tempArr = explode(',',$param);

				if (count($tempArr) > 1) {
					for ($i = 0; $i < count($tempArr); $i++) {
						$newIntervalComp['param'.$k] = $tempArr[$i];
						$k++;
					}
				}
				else {
				       $newIntervalComp['param'.$k] = $param;
					$k++;
				}
			}
			$newIntervals[] = $newIntervalComp;
		}

		return array('success' => true, 'intervals' => $newIntervals);

	}

	public function getCatalogParamDescription($options)
	{
		if (isset($options['type']) && ($options['type'] == 'sharedcatalog')) {
			//Shared object
			$sharedObjMgr = new SharedObjectsMgr();
			$path = $sharedObjMgr->getDataFilePath('catalog', $options['id']);
		}
		elseif (!isset($options['isTmpObject']) || !$options['isTmpObject']) {
			$path = USERTTDIR.$options['id'].'.xml';
		}
		else {
			$path = $options['folder'].'/'.$options['name'].'.xml';
		}

	      //load intervals from Catalog id
		if (!file_exists($path))
			return array('success' => false, 'message' => "Cannot find Catalog file ".$path);

		if (!$this->objectDom->load($path))
			return array('success' => false, 'message' => "Cannot load Catalog file");


	      $nameNodes = $this->objectDom->getElementsByTagName('name');

	      if ($nameNodes->length > 0)
			$nameReal = $nameNodes->item(0)->nodeValue;
		else
			$nameReal = $options['name'];

	      $xpath = new DOMXPath($this->objectDom);
	      $intervals =  $xpath->query('//intervals');


		// params header
		$paramsNodes =  $xpath->query('//parameters/parameter');
		$paramsArray = array();

		if ($paramsNodes->length > 0)
		{
			foreach ($paramsNodes as $paramNode)
			{
				$oneParam = array();
				foreach ($paramNode->attributes as $attr)
					$oneParam[$attr->nodeName] = $attr->nodeValue;
				$paramsArray[] = $oneParam;
			}
		}

		return array(
			  'name'      =>  $nameReal,
			  'totalCount' => $intervals->length,
			  'parameters' => $paramsArray,
			  'success'    => true
	      );

      }

			public function getUploadedObject($name, $format, $onlyDescription = false)
			{
				$result = TimeTableMgr::getUploadedObject($name, $format, $onlyDescription);
				if (!isset($result['success']) || !$result['success']) {

					return array('success' => FALSE, 'error' => 'Error to retrieve catalog info');
				}

				$this->objectDom->load(USERTEMPDIR . $name . '.xml');

				$xpath = new DOMXPath($this->objectDom);

					// params header
				$paramsNodes =  $xpath->query('//parameters/parameter');
				$paramsArray = array();

				if ($paramsNodes->length > 0)
				{
					foreach ($paramsNodes as $paramNode)
					{
						$oneParam = array();
						foreach ($paramNode->attributes as $attr)
							$oneParam[$attr->nodeName] = $attr->nodeValue;
							$paramsArray[] = $oneParam;
						}
					}

					return $result + array('parameters' => $paramsArray);
			}

// 	public function modifyObject($p) {
// 		$folder = $this->getObjectFolder($p->id);
//
// 		//Copy TT in a tempory file
// 		$ttFilePath = USERTTDIR.$p->id.'.xml';
// 		$tmpFileExist = FALSE;
// 		if (file_exists($ttFilePath))
// 			$tmpFileExist = copy($ttFilePath,$ttFilePath.".tmp");
//
// 		//Delete TT
// 		$this->deleteObject($p);
//
// 		//Save modifications
// 		try {
// 			$result = $this->createObject($p, $folder);
// 			if ($result['error'])
// 				throw new Exception($result['error']);
// 			if ($tmpFileExist)
// 				unlink($ttFilePath.".tmp");
// 			return array('id' => $p->id, 'info' => $result['nbIntervals'].' intervals' );
// 		}
// 		catch (Exception $e) {
// 			//Restore TT file
// 			if ($tmpFileExist)
// 			{
// 				copy($ttFilePath.".tmp", $ttFilePath);
// 				unlink($ttFilePath.".tmp");
// 			}
// 			return array ('error' => $e->getMessage());
// 		}
// 	}


}
?>