#pragma once
#include <string>

#ifdef _WIN32
#include <windows.h>

std::string convertUtf8ToCurrentCodepage(const std::string& utf8Str) {
	if (GetACP() == CP_UTF8) {
		return std::string(utf8Str);
	}
  // Step 1: Convert UTF-8 to UTF-16
  int utf16Len = MultiByteToWideChar(CP_UTF8, 0, utf8Str.c_str(), -1, NULL, 0);
  if (utf16Len == 0) {
      throw std::runtime_error("Failed to convert UTF-8 to UTF-16");
  }

  std::wstring utf16Str(utf16Len, L'\0');
  MultiByteToWideChar(CP_UTF8, 0, utf8Str.c_str(), -1, &utf16Str[0], utf16Len);

  // Step 2: Convert UTF-16 to the current Windows codepage
  int codepageLen = WideCharToMultiByte(GetACP(), 0, utf16Str.c_str(), -1, NULL, 0, NULL, NULL);
  if (codepageLen == 0) {
      throw std::runtime_error("Failed to convert UTF-16 to current Windows codepage");
  }

  std::string codepageStr(codepageLen, '\0');
  WideCharToMultiByte(GetACP(), 0, utf16Str.c_str(), -1, &codepageStr[0], codepageLen, NULL, NULL);

  return codepageStr;
}

#endif