// CalendarObject-Save.cpp - CalendarObject class save functions
//
// (c) 2016-2017 Xestia Software Development.
//
// This file is part of Xestia Calendar.
//
// Xestia Calendar is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by the
// Free Software Foundation, version 3 of the license.
//
// Xestia Calendar is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with Xestia Calendar. If not, see <http://www.gnu.org/licenses/>

#include "CalendarObject.h"
#include "../../common/file.h"

using namespace std;

CalendarObjectSaveResult CalendarObject::SaveFile(string saveFilename){

	ofstream fileStream;
	string receivedStringData = "";
	
	// Open the file.
	
#ifndef WIN32

	fileStream.open(saveFilename, ofstream::out);

#else

	wstring saveFilename_utf16;

	int len = MultiByteToWideChar(CP_UTF8, 0, &saveFilename[0], (int)saveFilename.size(), NULL, 0);

	if (len > 0)
	{
		saveFilename_utf16.resize(len);
		MultiByteToWideChar(CP_UTF8, 0, &saveFilename[0], (int)saveFilename.size(), &saveFilename_utf16[0], len);
	}

	fileStream.open(saveFilename_utf16, ofstream::out);

#endif
	
	if (fileStream.rdstate() & ofstream::failbit){
		return CALENDAROBJECTSAVE_CANNOTOPEN;
	}

	if (fileStream.rdstate() & ofstream::badbit){
		return CALENDAROBJECTSAVE_CANNOTOPEN;
	}
	
	// Process the data into a string.
	
	CalendarObjectSaveResult saveResult = CALENDAROBJECTSAVE_UNITTESTFAIL;
	string saveStringData;
	
	saveResult = SaveString(&saveStringData);
	
	//fileStream.write(saveStringData.c_str(), saveStringData.size());
	
	fileStream << saveStringData.c_str();

	fileStream.close();
	
	return saveResult;
	
}

CalendarObjectSaveResult CalendarObject::SaveString(string *saveStringData){

	*saveStringData += "BEGIN:VCALENDAR\n";
	*saveStringData += "VERSION:2.0\n";
	
	// Check if METHOD has a value and print it if it does (and
	// any token data if there).
	
	if (methodData.size() > 0){
		
		if (methodTokens.size() > 0){
		
			*saveStringData += "METHOD;";
			*saveStringData += methodTokens;
			
		} else {

			*saveStringData += "METHOD";
			
		}

		*saveStringData += ":";
		*saveStringData += methodData;
		*saveStringData += "\n";
		
	}
	
	// Check if CALSCALE has a value and print it if it does (and
	// any token data if there).
	
	if (calendarScaleData.size() > 0){
		
		if (calendarScaleTokens.size() > 0){
		
			*saveStringData += "CALSCALE;";
			*saveStringData += calendarScaleTokens;
			
		} else {

			*saveStringData += "CALSCALE";
			
		}

		*saveStringData += ":";
		*saveStringData += calendarScaleData;
		*saveStringData += "\n";
		
	}
	
#if defined(XESTIACAL_UNITTEST)
	
	*saveStringData += "PRODID:-//Xestia//Calendar Unit Testing//KW\n";
	
#else

	*saveStringData += "PRODID:-//Xestia//Calendar Version ";
	*saveStringData += XSDCAL_VERSION;
	*saveStringData += "//KW\n";
	
#endif
	
	SaveObjectData(saveStringData);
	
	*saveStringData += "END:VCALENDAR";
	
	return CALENDAROBJECTSAVE_OK;

}