#pragma once

#if !defined(MIJIN_UTIL_WINERR_HPP_INCLUDED)
#define MIJIN_UTIL_WINERR_HPP_INCLUDED 1

#include <format>

#include <windows.h>
#include "./winundef.hpp"

#include "./exception.hpp"

namespace mijin
{

//
// public types
//

class HRException : public Exception
{
private:
    HRESULT hResult_;
public:
    explicit inline HRException(HRESULT hResult);
    inline HRException(std::string_view message, HRESULT hResult);
};

//
// public functions
//

[[nodiscard]]
inline std::string getHResultMessage(HRESULT hResult)
{
    if (hResult == S_OK)
    {
        return "Success (0x0)";
    }
    return std::format("Unknown error (0x{:x}", hResult);
}

inline HRESULT ensureHR(HRESULT hResult, std::string_view message = {})
{
    if (!SUCCEEDED(hResult))
    {
        if (message.empty())
        {
            throw HRException(hResult);
        }
        throw HRException(message, hResult);
    }
    return hResult;
}

HRException::HRException(HRESULT hResult) : Exception(getHResultMessage(hResult)), hResult_(hResult)
{

}

HRException::HRException(std::string_view message, HRESULT hResult)
    : Exception(std::format("{} {}", message, getHResultMessage(hResult))), hResult_(hResult)
{

}
}
#endif // !defined(MIJIN_UTIL_WINERR_HPP_INCLUDED)