#ifndef MSXEXCEPTION_HH

#define MSXEXCEPTION_HH

#include "strCat.hh"

#include <concepts>

#include <string>

namespace openmsx {

class MSXException

{

public:

	explicit MSXException() = default;

	explicit MSXException(std::string message_)

		: message(std::move(message_)) {}

	template<typename T, typename... Args>

		requires(!std::same_as<MSXException, std::remove_cvref_t<T>>) // don't block copy-constructor

	explicit MSXException(T&& t, Args&&... args)

		: message(strCat(std::forward<T>(t), std::forward<Args>(args)...))

	{

	}

	[[nodiscard]] const std::string& getMessage() const &  { return message; }

	[[nodiscard]]       std::string  getMessage()       && { return std::move(message); }

private:

	std::string message;

};

class FatalError

{

public:

	explicit FatalError(std::string message_)

		: message(std::move(message_)) {}

	template<typename T, typename... Args>

		requires(!std::same_as<FatalError, std::remove_cvref_t<T>>) // don't block copy-constructor

	explicit FatalError(T&& t, Args&&... args)

		: message(strCat(std::forward<T>(t), std::forward<Args>(args)...))

	{

	}

	[[nodiscard]] const std::string& getMessage() const &  { return message; }

	[[nodiscard]]       std::string  getMessage()       && { return std::move(message); }

private:

	std::string message;

};

} // namespace openmsx

#endif