using Microsoft.VisualBasic.Devices;
using System;
using System.Drawing;
using System.Runtime.InteropServices;
using System.Threading;
//#include <windows.h>

namespace ctrlv
{
    class Program
    {
        // Win32 constants for mouse events
        private const int INPUT_MOUSE = 0;
        private const uint MOUSEEVENTF_LEFTDOWN = 0x0002;
        private const uint MOUSEEVENTF_LEFTUP = 0x0004;

        [StructLayout(LayoutKind.Sequential)]
        struct INPUT
        {
            public int type;
            public MOUSEINPUT mi;
        }
        // Define the POINT struct for WinAPI
        [StructLayout(LayoutKind.Sequential)]
        public struct POINT
        {
            public int X;
            public int Y;
        }
        [DllImport("user32.dll")]
        private static extern bool GetCursorPos(out POINT lpPoint);
        // Import Win32 API functions
        [DllImport("user32.dll")]
        private static extern bool SetForegroundWindow(IntPtr hWnd);

        [StructLayout(LayoutKind.Sequential)]
        struct MOUSEINPUT
        {
            public int dx;
            public int dy;
            public uint mouseData;
            public uint dwFlags;
            public uint time;
            public IntPtr dwExtraInfo;
        }
     [DllImport("user32.dll")]
        private static extern IntPtr WindowFromPoint(POINT point);

        [DllImport("user32.dll", SetLastError = true)]
        private static extern uint SendInput(uint nInputs, INPUT[] pInputs, int cbSize);
   
        [STAThread ]
        static void Main()
        {
            IntPtr hWnd=0;

            try
            {
                // Get current mouse position
                if (!GetCursorPos(out POINT cursorPos))
                {
                    Console.WriteLine("Failed to get cursor position.");
                    return;
                }

                // Get the window handle at the cursor position
           hWnd    = WindowFromPoint(cursorPos);

                if (hWnd == IntPtr.Zero)
                {
                    Console.WriteLine("No window found at the cursor position.");
                }
                else
                {
                    Console.WriteLine($"Window handle at cursor: {hWnd}");
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine($"Error: {ex.Message}");
            }         //Console.WriteLine("Click will happen in 2 seconds...");
            //Thread.Sleep(2000); // Delay so you can move the mouse
            Point currentPos = Cursor.Position;
            //IntPtr hWnd = WindowFromPoint(currentPos);
            SetForegroundWindow(hWnd);
            Thread.Sleep(100);

            //Clipboard.SetText("testx");
           MouseClick();
            //MouseClick();
            //MouseClick();
            ////mouse_event(MOUSEEVENTF_LEFTDOWN | MOUSEEVENTF_LEFTUP, (uint)currentPos.X, (uint)currentPos.Y, 0, 0);
            // Clipboard.GetText();
            //SendKeys.SendWait("V");
            SendKeys.SendWait("^V");
            //SendKeys.SendWait("V");

            //Console.WriteLine("Mouse click sent.");
        }

        static void MouseClick()
        {
            INPUT[] inputs = new INPUT[2];

            // Mouse down
            inputs[0].type = INPUT_MOUSE;
            inputs[0].mi.dwFlags = MOUSEEVENTF_LEFTDOWN;
            Thread.Sleep(100);
            // Mouse up
            inputs[1].type = INPUT_MOUSE;
            inputs[1].mi.dwFlags = MOUSEEVENTF_LEFTUP;

            // Send both events
            if (SendInput((uint)inputs.Length, inputs, Marshal.SizeOf(typeof(INPUT))) == 0)
            {
                Console.WriteLine("Mouse click failed. Error: " + Marshal.GetLastWin32Error());
            }
        }
    }

}