#pragma once

#if !defined(MIJIN_UTIL_OS_HPP_INCLUDED)
#define MIJIN_UTIL_OS_HPP_INCLUDED 1

#include <csignal>
#include <string>
#include <string_view>
#include "../detect.hpp"

namespace mijin
{

//
// public defines
//

//
// public constants
//

//
// public types
//

struct LibraryHandle
{
    void* data = nullptr;

    constexpr operator bool() const noexcept { return data != nullptr; }
    constexpr bool operator!() const noexcept { return data == nullptr; }
};

//
// public functions
//

[[nodiscard]] LibraryHandle openSharedLibrary(std::string_view libraryFile) noexcept;
[[nodiscard]] void* loadSymbolFromLibrary(const LibraryHandle library, const char* symbolName) noexcept;
void setCurrentThreadName(const char* threadName) noexcept;

[[nodiscard]] std::string makeLibraryFilename(std::string_view libraryName) noexcept;

} // namespace mijin

#if MIJIN_TARGET_OS == MIJIN_OS_LINUX || MIJIN_TARGET_OS == MIJIN_OS_OSX
#if !defined(SIGTRAP)
static constexpr int SIGTRAP = 5;
#endif
#define _debugBreak() (void) std::raise(SIGTRAP)
#elif MIJIN_TARGET_OS == MIJIN_OS_WINDOWS
extern "C" __declspec(dllimport) void __stdcall DebugBreak();
#define _debugBreak() DebugBreak()
#else
#define _debugBreak() ((void)0)
#endif

#endif // !defined(MIJIN_UTIL_OS_HPP_INCLUDED)