/*
 * DataSetMgr.cc
 *
 *  Created on: Oct 6, 2014
 *      Author: m.mazel
 */

#include "Helper.hh"
#include "Properties.hh"
#include "DataSetMgr.hh"
#include "DataSetParser.hh"
#include "InfoLogger.hh"

namespace AMDA {
namespace Info {

const DataSetInfoSPtr DataSetMgr::getDataSetInfoFromId (const std::string &id, bool forceCreateIfNoExist) {
	if (id.empty())
		return DataSetInfoSPtr();

	// If dataset id already loaded, return it
	if (_dataSetInfoMap.find (id) != _dataSetInfoMap.end()) {
		return _dataSetInfoMap [id];
	}

	// Otherwise, build DataSet path & filename using the id
	AMDA::helpers::Properties lProperties("app.properties");

	std::string xmlFileName = lProperties["app.dataSetInfo.path"] + "/" + id + ".xml";
	_dataSetInfoMap [id] = getDataSetInfoFromFile (xmlFileName);

	if (forceCreateIfNoExist && (_dataSetInfoMap [id] == nullptr))
	{
		_dataSetInfoMap [id] = DataSetInfoSPtr(new DataSetInfo);
		_dataSetInfoMap [id]->setId(id);
	}

	return _dataSetInfoMap [id];
}

DataSetInfoSPtr DataSetMgr::getDataSetInfoFromFile (const std::string &xmlFilename) {
	AMDA::helpers::Properties lProperties("app.properties");

	// Retrieve XSD file for DataSet and build a parser
	DataSetParser parser(lProperties["app.dataSetInfo.xsd"].c_str());

	// Parse XML file
	return parser.parse (xmlFilename);
}

} /* namespace Info */
} /* namespace AMDA */