#pragma once
#include <string>
#include <Windows.h>

class StringHelper
{
public:
	static LPCWSTR string_to_lpcwstr(const std::string& str)
	{
		const int strlen = static_cast<int>(str.length()) + 1;
		const int len = MultiByteToWideChar(CP_ACP, 0, str.c_str(), strlen, nullptr, 0);
        auto* buf = new wchar_t[len];
        MultiByteToWideChar(CP_ACP, 0, str.c_str(), strlen, buf, len);
		const std::wstring r(buf);
        delete[] buf;
        return r.c_str();
	}

	static LPWSTR string_to_lpwstr(const std::string& str)
	{
        // Assumes std::string is encoded in the current Windows ANSI codepage
        const int bufferlen = MultiByteToWideChar(CP_ACP, 0, str.c_str(), str.size(), nullptr, 0);

        if (bufferlen == 0)
        {
            // Something went wrong. Perhaps, check GetLastError() and log.
            return nullptr;
        }

        // Allocate new LPWSTR - must deallocate it later
        LPWSTR widestr = new WCHAR[bufferlen + 1];

        MultiByteToWideChar(CP_ACP, 0, str.c_str(), str.size(), widestr, bufferlen);

        // Ensure wide string is null terminated
        widestr[bufferlen] = 0;

        // Do something with widestr
        return widestr;
        //delete[] widestr;
	}
};