#pragma once

#ifdef WIN32
	#include <WS2tcpip.h>

	#ifndef ssize_t
		typedef long ssize_t;
	#endif

	::TCHAR myWndClassName[];

	#ifdef SIGTERM
		#undef SIGTERM
		#define SIGTERM (WM_USER + 15)
	#endif

	#ifdef SIGINT
		#undef SIGINT
		#define SIGINT (WM_USER + 2)
	#endif

	#ifndef SIGUSR1
		#define SIGUSR1 (WM_USER + 10)
	#endif

	#ifndef SIGUSR2
		#define SIGUSR2 (WM_USER + 12)
	#endif
#elif POSIX
	#include <sys/types.h>
#else
	#error "Undefined platform"
#endif

#include <string>
#include <ctime>
#include <thread>

namespace System
{
#ifdef WIN32
	typedef ::SOCKET native_socket_type;
#elif POSIX
	typedef int native_socket_type;
#else
	#error "Undefined platform"
#endif

#ifdef WIN32
	typedef ::DWORD native_processid_type;
#elif POSIX
	typedef ::pid_t native_processid_type;
#else
	#error "Undefined platform"
#endif

	native_processid_type getProcessId() noexcept;

	bool changeCurrentDirectory(const std::string &dir);

	bool isProcessExists(const native_processid_type pid) noexcept;

	bool sendSignal(const native_processid_type pid, const int signal) noexcept;

	bool isDoneThread(const std::thread::native_handle_type handle) noexcept;

	std::string getTempDir();

	bool isFileExists(const std::string &fileName);

	bool getFileSizeAndTimeGmt(const std::string &filePath, size_t *fileSize, time_t *fileTime);

	void filterSharedMemoryName(std::string &memName);
}