/*
This Source Code Form is subject to the
terms of the Mozilla Public License, v.
2.0. If a copy of the MPL was not
distributed with this file, You can
obtain one at
http://mozilla.org/MPL/2.0/.
*/
/*
MaSzyna EU07 locomotive simulator
Copyright (C) 2001-2004  Marcin Wozniak, Maciej Czapkiewicz and others
*/
/*
Authors:
MarcinW, McZapkie, Shaxbee, ABu, nbmx, youBy, Ra, winger, mamut, Q424,
Stele, firleju, szociu, hunter, ZiomalCl, OLI_EU and others
*/

#include "stdafx.h"

#include "application.h"
#include "Logs.h"
#include <cstdlib>
#ifdef WITHDUMPGEN
#ifdef _WIN32
#include <Windows.h>
#include <DbgHelp.h>
#endif
#endif

#ifdef _MSC_VER
#pragma comment(linker, "/subsystem:windows /ENTRY:mainCRTStartup")
#endif

void export_e3d_standalone(std::string in, std::string out, int flags, bool dynamic);

#include <ctime>
#include <string>
#include <sstream>
#include <iomanip>
#include <Globals.h>

#ifdef _WIN32
#pragma comment(lib, "Dbghelp.lib")

LONG WINAPI CrashHandler(EXCEPTION_POINTERS *ExceptionInfo)
{
	// Get current local time
	SYSTEMTIME st;
	GetLocalTime(&st);

	// Format: crash_YYYY-MM-DD_HH-MM-SS.dmp
	std::ostringstream oss;
	oss << "crash_" << std::setw(4) << std::setfill('0') << st.wYear << "-" << std::setw(2) << std::setfill('0') << st.wMonth << "-" << std::setw(2) << std::setfill('0') << st.wDay << "_"
	    << std::setw(2) << std::setfill('0') << st.wHour << "-" << std::setw(2) << std::setfill('0') << st.wMinute << "-" << std::setw(2) << std::setfill('0') << st.wSecond << ".dmp";

	std::string filename = oss.str();

	HANDLE hFile = CreateFileA(filename.c_str(), GENERIC_WRITE, 0, nullptr, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr);
	if (hFile != INVALID_HANDLE_VALUE)
	{
		MINIDUMP_EXCEPTION_INFORMATION dumpInfo;
		dumpInfo.ThreadId = GetCurrentThreadId();
		dumpInfo.ExceptionPointers = ExceptionInfo;
		dumpInfo.ClientPointers = FALSE;

		// Wybrana kombinacja flag
		MINIDUMP_TYPE dumpType = MINIDUMP_TYPE(MiniDumpWithFullMemory | MiniDumpWithHandleData | MiniDumpWithThreadInfo | MiniDumpWithUnloadedModules | MiniDumpWithIndirectlyReferencedMemory |
		                                       MiniDumpWithFullMemoryInfo | MiniDumpWithTokenInformation);

		MessageBoxA(nullptr, "Simulator crash occured :(\n", "Simulator crashed :(", MB_ICONERROR);
		MiniDumpWriteDump(GetCurrentProcess(), GetCurrentProcessId(), hFile, dumpType, &dumpInfo, nullptr, nullptr);

		CloseHandle(hFile);
	}

	return EXCEPTION_EXECUTE_HANDLER;
}

#endif

int main(int argc, char *argv[])
{
#ifdef WITHDUMPGEN
#ifdef _WIN32
	SetUnhandledExceptionFilter(CrashHandler);
#endif
#endif
	// init start timestamp
	Global.startTimestamp = std::chrono::steady_clock::now();

	// quick short-circuit for standalone e3d export
	if (argc == 6 && std::string(argv[1]) == "-e3d")
	{
		std::string in(argv[2]);
		std::string out(argv[3]);
		int flags = std::stoi(std::string(argv[4]));
		int dynamic = std::stoi(std::string(argv[5]));
		export_e3d_standalone(in, out, flags, dynamic);
	}
	else
	{
		try
		{
			auto result{Application.init(argc, argv)};
			if (result == 0)
			{
				result = Application.run();
				Application.exit();
			}
		}
		catch (std::bad_alloc const &Error)
		{
			ErrorLog("Critical error, memory allocation failure: " + std::string(Error.what()));
		}
#ifdef _WIN32
		catch (std::runtime_error const &Error)
		{
			std::string msg = "Simulator crash occured :(\n";
			msg += Error.what();
			MessageBoxA(nullptr, msg.c_str(), "Simulator crashed :(", MB_ICONERROR);
		}
#endif
	}
#ifndef _WIN32
	fflush(stdout);
	fflush(stderr);
#endif
	std::_Exit(0); // skip destructors, there are ordering errors which causes segfaults
}