/* SPDX-FileCopyrightText: 2026 Project Tick
 * SPDX-FileContributor: Project Tick
 * SPDX-License-Identifier: GPL-3.0-or-later
 *
 *   MeshMC - A Custom Launcher for Minecraft
 *   Copyright (C) 2026 Project Tick
 *
 *   This program 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, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.
 */

#include "sys.h"

#include <windows.h>

Sys::KernelInfo Sys::getKernelInfo()
{
	Sys::KernelInfo out;
	out.kernelType = KernelType::Windows;
	out.kernelName = "Windows";
	OSVERSIONINFOW osvi;
	ZeroMemory(&osvi, sizeof(OSVERSIONINFOW));
	osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW);
	GetVersionExW(&osvi);
	out.kernelVersion =
		QString("%1.%2").arg(osvi.dwMajorVersion).arg(osvi.dwMinorVersion);
	out.kernelMajor = osvi.dwMajorVersion;
	out.kernelMinor = osvi.dwMinorVersion;
	out.kernelPatch = osvi.dwBuildNumber;
	return out;
}

uint64_t Sys::getSystemRam()
{
	MEMORYSTATUSEX status;
	status.dwLength = sizeof(status);
	GlobalMemoryStatusEx(&status);
	// bytes
	return (uint64_t)status.ullTotalPhys;
}

bool Sys::isSystem64bit()
{
#if defined(_WIN64)
	return true;
#elif defined(_WIN32)
	BOOL f64 = false;
	return IsWow64Process(GetCurrentProcess(), &f64) && f64;
#else
	// it's some other kind of system...
	return false;
#endif
}

bool Sys::isCPU64bit()
{
	SYSTEM_INFO info;
	ZeroMemory(&info, sizeof(SYSTEM_INFO));
	GetNativeSystemInfo(&info);
	auto arch = info.wProcessorArchitecture;
	return arch == PROCESSOR_ARCHITECTURE_AMD64 ||
		   arch == PROCESSOR_ARCHITECTURE_IA64;
}

Sys::DistributionInfo Sys::getDistributionInfo()
{
	DistributionInfo result;
	return result;
}