/*
 * (c) Copyright Ascensio System SIA 2010-2023
 *
 * This program is a free software product. You can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License (AGPL)
 * version 3 as published by the Free Software Foundation. In accordance with
 * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
 * that Ascensio System SIA expressly excludes the warranty of non-infringement
 * of any third-party rights.
 *
 * This program is distributed WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For
 * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
 *
 * You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
 * street, Riga, Latvia, EU, LV-1050.
 *
 * The  interactive user interfaces in modified source and object code versions
 * of the Program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU AGPL version 3.
 *
 * Pursuant to Section 7(b) of the License you must retain the original Product
 * logo when distributing the program. Pursuant to Section 7(e) we decline to
 * grant you any rights under trademark law for use of our trademarks.
 *
 * All the Product's GUI elements, including illustrations and icon sets, as
 * well as technical writing content are licensed under the terms of the
 * Creative Commons Attribution-ShareAlike 4.0 International. See the License
 * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
 *
 */

#include "Timer.h"
#include "time.h"

#if defined(_WIN32) || defined (_WIN64)
//#define _CAN_USE_COM_THREADS
#endif

namespace NSTimers
{    
	// CLOCK_MONOTONIC defined ONLY since macOS 10.12!!! (crash on earlier version)
	DWORD GetTickCount()
	{
#if defined(_WIN32) || defined(_WIN64) || defined(_WIN32_WCE)
		return ::GetTickCount();
#else
#if defined(CLOCK_MONOTONIC) && !defined(_MAC)
		struct timespec ts;
		clock_gettime(CLOCK_MONOTONIC, &ts);

		return (ts.tv_sec * 1000 + (DWORD)(ts.tv_nsec / 1000000));
#else
		//uint64_t nano = mach_absolute_time();
		//return nano / 1000000;
		return getUptimeInMilliseconds();
#endif
#endif
	}

	CTimer::CTimer() : NSThreads::CBaseThread()
	{
		m_dwInterval = 40;
		m_bIsCOMNeed = FALSE;
	}
	CTimer::~CTimer()
	{
	}

	void CTimer::SetInterval(const DWORD& dwInterval) { m_dwInterval = dwInterval; }
	void CTimer::SetCOMNeed(const INT& bIsCOM) { m_bIsCOMNeed = bIsCOM; }

	DWORD CTimer::ThreadProc()
	{
#ifdef _CAN_USE_COM_THREADS
		if (m_bIsCOMNeed)
			CoInitialize(NULL);
#endif
		DWORD m_startTime, m_curTime;
		m_startTime = NSTimers::GetTickCount();

		while (m_bRunThread)
		{
			m_curTime = NSTimers::GetTickCount();
			while (m_curTime - m_startTime < m_dwInterval)
			{
				NSThreads::Sleep(10);
				if (!m_bRunThread)
					break;
				m_curTime = NSTimers::GetTickCount();
			}

			m_startTime = NSTimers::GetTickCount();
			OnTimer();
		}

#ifdef _CAN_USE_COM_THREADS
		if (m_bIsCOMNeed)
			CoUninitialize();
#endif
		return 0;
	}
}