using System;
using System.Drawing;
using System.Collections.Generic;

// 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
{
	public static void Run(IntPtr windowHandle)
	{
		// Set the X, Y, Width, Height of the positions here
		List<Rectangle> positions = new List<Rectangle>();
		positions.Add(new Rectangle(-1, 0, 963, 521));
		positions.Add(new Rectangle(960, 0, 963, 521));
		positions.Add(new Rectangle(-1, 521, 963, 521));
		positions.Add(new Rectangle(960, 520, 963, 521));
		positions.Add(new Rectangle(-964, 0, 963, 521));
		positions.Add(new Rectangle(-1927, 0, 963, 521));
		positions.Add(new Rectangle(-964, 520, 963, 521));
		positions.Add(new Rectangle(-1927, 520, 963, 521));
		
		// Set the process name of the application here
		String processName = "notepad.exe";
		
		// Check if there are any open windows at either position
		bool[] positionsOccupied = new bool[positions.Count];
		for (int i = 0; i < positions.Count; i++)		
		{
			positionsOccupied[i] = false;
		}
		
		foreach (IntPtr window in BFS.Window.GetVisibleWindowHandles())
		{
            if (BFS.Application.GetMainFileByWindow(window).ToLower().Contains(processName.ToLower()))
            {
                Rectangle bounds = BFS.Window.GetBounds(window);
				int j = 0;
				foreach (Rectangle position in positions)
				{
					if (bounds == position)
					{
						positionsOccupied[j] = true;
					}
					j++;
				}
            }
		}
		
		// Place the new window depending on where the open ones are
		int k = 0;
		foreach (bool positionOccupied in positionsOccupied)
		{
			if (!positionOccupied)
			{
				BFS.Window.SetSizeAndLocation(windowHandle, positions[k].X, positions[k].Y, positions[k].Width, positions[k].Height);
				break;
			}
			k++;
		}
	}
}