// uuid.cpp - UUID subroutines.
//
// (c) 2012-2015 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 "uuid.h"

string GenerateUUID()
{

#if defined(__WIN32__)
	
#include <rpc.h>
	
	UUID UUIDData;
	UuidCreate(&UUIDData);
	wchar_t* UUIDStr = 0;
	UuidToString(&UUIDData, (RPC_WSTR*)&UUIDStr);
	wxString Result(UUIDStr);
	
#elif defined(__HAIKU__)
    
#else
    
#include <stdio.h>
    
	FILE *uuid_hdl = popen("uuidgen", "r");
    
	if (uuid_hdl == NULL) {
		return "";
	}
    
	char strdata[64];
	std::string uuidout;
    
	while (fgets(strdata, sizeof(strdata), uuid_hdl) != NULL){
		uuidout.append(strdata);
	}
    
	pclose(uuid_hdl);
    
#endif
    
	if (uuidout.back() == '\n'){
		
		uuidout.erase(uuidout.end()-1);
		
	}
	
	return uuidout;
        
}