#pragma once
#include <string>
#ifdef _WIN32
#include <Windows.h>
#if defined(UTEXTCODEC_EXPORTS)
#define UTEXTCODEC_EXPORT __declspec(dllexport)
#else
#define UTEXTCODEC_EXPORT __declspec(dllimport)
#ifdef _DEBUG
#pragma comment(lib, "../x64/Debug/UTextCodecd.lib")
#else
#pragma comment(lib, "../x64/Release/UTextCodec.lib")
#endif
#endif
#else
#define UTEXTCODEC_EXPORT __attribute__((visibility("default")))
#endif

class UTEXTCODEC_EXPORT UTextCodec
{
public:
    // UTF-8 ⇄ UTF-16 (wstring)
    static std::wstring UTF8to16(const std::string& utf8);
    static std::string UTF16to8(const std::wstring& wstr);

    // UTF-8 ⇄ UTF-32
    static std::u32string UTF8to32(const std::string& utf8);
    static std::string UTF32to8(const std::u32string& u32str);

    // wstring ⇄ u32string
    static std::u32string WtoUTF32(const std::wstring& wstr);
    static std::wstring UTF32toW(const std::u32string& u32str);

    // wstring ⇄ string
    static std::wstring StoW(const std::string& str);
    static std::string WtoS(const std::wstring& wstr);

#ifdef _WIN32
    // Windows ANSI ⇄ UTF-16 (wstring)
    static std::wstring AtoW(const std::string& ansi, UINT codePage = CP_ACP);
    static std::string WtoA(const std::wstring& wstr, UINT codePage = CP_ACP);
#endif

    static std::string DetectEncoding();
};