using System;
using System.Drawing;

// The 'windowHandle' parameter will contain the window handle for the:
//   - Active window when run by hotkey
//   - Trigger target when run by a Trigger rule
//   - TitleBar Button owner when run by a TitleBar Button
//   - Jump List owner when run from a Taskbar Jump List
//   - Currently focused window if none of these match
public static class DisplayFusionFunction
{
    const string X = "ToggleWindowSpanTwoMonitors_X";
    const string Y = "ToggleWindowSpanTwoMonitors_Y";
    const string Width = "ToggleWindowSpanTwoMonitors_Width";
    const string Height = "ToggleWindowSpanTwoMonitors_Height";

	public static void Run(IntPtr windowHandle)
	{
		//adjust this variable to where you want the window to span
		Rectangle targetSpanBounds = new Rectangle(0, 0, 3840, 1080);
		
		//get the properties of the window
		IntPtr x = BFS.Window.GetWindowProperty(windowHandle, X);
		IntPtr y = BFS.Window.GetWindowProperty(windowHandle, Y);
		IntPtr width = BFS.Window.GetWindowProperty(windowHandle, Width);
		IntPtr height = BFS.Window.GetWindowProperty(windowHandle, Height);
		
		//restore the window if we need to
		if(!BFS.Window.IsRestored(windowHandle))
            BFS.Window.Restore(windowHandle);
		
		//make a rectangle out of the properties		
		Rectangle originalBounds = new Rectangle((int)x.ToInt64(), (int)y.ToInt64(), (int)width.ToInt64(), (int)height.ToInt64());
		
		//if the rectangle is empty, the original bounds properties didn't exist.
		//span the window and set the original bounds
		if(originalBounds.Equals(Rectangle.Empty))
		{
            //get the window bounds
            originalBounds = BFS.Window.GetBounds(windowHandle);
            
            //set the original window bound properties
            BFS.Window.SetWindowProperty(windowHandle, X, new IntPtr(originalBounds.X));
            BFS.Window.SetWindowProperty(windowHandle, Y, new IntPtr(originalBounds.Y));
            BFS.Window.SetWindowProperty(windowHandle, Width, new IntPtr(originalBounds.Width));
            BFS.Window.SetWindowProperty(windowHandle, Height, new IntPtr(originalBounds.Height));
            
            //span the window
            BFS.Window.SetSizeAndLocation(windowHandle, targetSpanBounds.X, targetSpanBounds.Y, targetSpanBounds.Width, targetSpanBounds.Height);
            
            //exit the script
            return;
		}
		
		//if we got this far, that means that the window is spanned. reset the window size
		BFS.Window.SetSizeAndLocation(windowHandle, originalBounds.X, originalBounds.Y, originalBounds.Width, originalBounds.Height);
		
		//remove the window properties
		BFS.Window.RemoveWindowProperty(windowHandle, X);
		BFS.Window.RemoveWindowProperty(windowHandle, Y);
		BFS.Window.RemoveWindowProperty(windowHandle, Width);
		BFS.Window.RemoveWindowProperty(windowHandle, Height);
	}
}