namespace zeroflag.Windows

{

    using System;

    using System.Diagnostics;

    using System.Drawing;

    using System.Threading;

    using System.Windows.Forms;



    public class Window

    {

        private DebugMode m_Debug;

        private string m_DebugLog;

        private IntPtr m_Handle;

        private System.Windows.Forms.MouseButtons m_MouseButtons;

		System.Diagnostics.Process m_Process;



		public System.Diagnostics.Process Process

		{

			get { return m_Process; }

			set

			{

				m_Process = value;

				if (value != null)

				{

					this.Handle = value.MainWindowHandle;

				}

			}

		}



        public Window(System.Diagnostics.Process process) : this(process.MainWindowHandle)

        {

			this.Process = process;

        }



        public Window(IntPtr handle)

        {

            this.m_DebugLog = "";

            this.Handle = handle;

        }



        protected void _MouseDown(Point location, System.Windows.Forms.MouseButtons button)

        {

            IntPtr position = WinAPI.ConvertMousePosition(location);

            this.MouseButtons |= button;

            zeroflag.Windows.MouseButtons winbutton = WinAPI.ConvertMouseButtons(this.MouseButtons);

            if ((button & System.Windows.Forms.MouseButtons.Left) != System.Windows.Forms.MouseButtons.None)

            {

                WinAPI.SendMessage(this.Handle, WindowsMessages.WM_LBUTTONDOWN, (IntPtr) ((long) winbutton), position);

            }

            else if ((button & System.Windows.Forms.MouseButtons.Right) != System.Windows.Forms.MouseButtons.None)

            {

                WinAPI.SendMessage(this.Handle, WindowsMessages.WM_RBUTTONDOWN, (IntPtr) ((long) winbutton), position);

            }

            else if ((button & System.Windows.Forms.MouseButtons.Middle) != System.Windows.Forms.MouseButtons.None)

            {

                WinAPI.SendMessage(this.Handle, WindowsMessages.WM_MBUTTONDOWN, (IntPtr) ((long) winbutton), position);

            }

            WinAPI.SendMessage(this.Handle, WindowsMessages.WM_NCHITTEST, WinAPI.NULL, position);

        }



        protected void _MouseUp(Point location, System.Windows.Forms.MouseButtons button)

        {

            IntPtr position = WinAPI.ConvertMousePosition(location);

            this.MouseButtons &= ~button;

            zeroflag.Windows.MouseButtons winbutton = WinAPI.ConvertMouseButtons(this.MouseButtons);

            if ((button & System.Windows.Forms.MouseButtons.Left) != System.Windows.Forms.MouseButtons.None)

            {

                WinAPI.SendMessage(this.Handle, WindowsMessages.WM_LBUTTONUP, (IntPtr) ((long) winbutton), position);

            }

            else if ((button & System.Windows.Forms.MouseButtons.Right) != System.Windows.Forms.MouseButtons.None)

            {

                WinAPI.SendMessage(this.Handle, WindowsMessages.WM_RBUTTONUP, (IntPtr) ((long) winbutton), position);

            }

            else if ((button & System.Windows.Forms.MouseButtons.Middle) != System.Windows.Forms.MouseButtons.None)

            {

                WinAPI.SendMessage(this.Handle, WindowsMessages.WM_MBUTTONUP, (IntPtr) ((long) winbutton), position);

            }

            WinAPI.SendMessage(this.Handle, WindowsMessages.WM_NCHITTEST, WinAPI.NULL, position);

        }



        public void Activate(bool actiavte)

        {

            IntPtr wParam = actiavte ? ((IntPtr) 1) : IntPtr.Zero;

            WinAPI.SendMessage(this.Handle, WindowsMessages.WM_ACTIVATE, wParam, WinAPI.NULL);

        }



        public void KeyDown(Keys key)

        {

            WinAPI.SendMessage(this.Handle, WindowsMessages.WM_KEYFIRST, (IntPtr) ((long) key), new IntPtr());

        }



        public void KeyUp(Keys key)

        {

            WinAPI.SendMessage(this.Handle, WindowsMessages.WM_KEYUP, (IntPtr) ((long) key), new IntPtr());

        }



        public void MouseClick(Point location, System.Windows.Forms.MouseButtons button)

        {

            this.MouseDown(location, button);

            Thread.Sleep(100);

            this.MouseUp(location, button);

        }



        public void MouseDown(Point location, System.Windows.Forms.MouseButtons button)

        {

            this.MouseMove(location);

            this._MouseDown(location, button);

        }



        public void MouseMove(Point location)

        {

            this.MouseMove(location, this.MouseButtons);

        }



        protected void MouseMove(Point location, System.Windows.Forms.MouseButtons button)

        {

            IntPtr position = WinAPI.ConvertMousePosition(location);

            zeroflag.Windows.MouseButtons winbutton = WinAPI.ConvertMouseButtons(button);

            this.SendDebug(WindowsMessages.WM_MOUSEFIRST, (IntPtr) ((long) winbutton), position);

            WinAPI.SendMessage(this.Handle, WindowsMessages.WM_MOUSEFIRST, (IntPtr) ((long) winbutton), position);

            WinAPI.SendMessage(this.Handle, WindowsMessages.WM_NCHITTEST, WinAPI.NULL, position);

            if (button == System.Windows.Forms.MouseButtons.None)

            {

                WinAPI.SendMessage(this.Handle, WindowsMessages.WM_SETCURSOR, this.Handle, WinAPI.Build(1, 0x200));

            }

        }



        public void MouseUp(Point location, System.Windows.Forms.MouseButtons button)

        {

            this._MouseUp(location, button);

            this.MouseMove(location);

        }



        protected void SendDebug(object value)

        {

            string text = "<null>";

            if (value != null)

            {

                text = value.ToString();

            }

            switch (this.Debug)

            {

                case DebugMode.Console:

                    Console.WriteLine(text);

                    return;



                case DebugMode.String:

                    this.DebugLog = this.DebugLog + text;

                    return;

            }

        }



        protected void SendDebug(WindowsMessages msg, int wParam, int lParam)

        {

            this.SendDebug(msg, (IntPtr) wParam, (IntPtr) lParam);

        }



        protected void SendDebug(WindowsMessages msg, IntPtr wParam, IntPtr lParam)

        {

            this.SendDebug(string.Concat(new object[] { msg, " wParam=0x", wParam.ToString("X").PadLeft(8, '0'), ", lParam=0x", lParam.ToString("X").PadLeft(8, '0') }));

        }



        public DebugMode Debug

        {

            get

            {

                return this.m_Debug;

            }

            set

            {

                this.m_Debug = value;

            }

        }



        public string DebugLog

        {

            get

            {

                return this.m_DebugLog;

            }

            protected set

            {

                this.m_DebugLog = value;

            }

        }



        public IntPtr Handle

        {

            get

            {

                return this.m_Handle;

            }

            set

            {

                this.m_Handle = value;

            }

        }



        public System.Windows.Forms.MouseButtons MouseButtons

        {

            get

            {

                return this.m_MouseButtons;

            }

            protected set

            {

                this.m_MouseButtons = value;

            }

        }



        public Rectangle ScreenRegion

        {

            get

            {

                return Screen.FromHandle(this.Handle).WorkingArea;

            }

        }



        public System.Drawing.Size Size

        {

            get

            {

                WinAPI.LPRECT rect = new WinAPI.LPRECT();

                WinAPI.GetClientRect(this.Handle, ref rect);

                return new System.Drawing.Size((int) (rect.right - rect.left), (int) (rect.bottom - rect.top));

            }

        }



        public enum DebugMode

        {

            None,

            Console,

            String

        }

    }

}