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
{
	public static void Run(IntPtr windowHandle)
	{
		// Prompt to select the monitor to move to
		uint monitorID = BFS.Monitor.ShowMonitorSelector();
		
		// Move the window to that monitor
		BFS.Window.MoveToMonitor(monitorID, windowHandle);
		
		// Get the windows on that monitor
		IntPtr[] windows = BFS.Window.GetVisibleWindowHandlesByMonitor(monitorID);
		
		// Count the windows on that monitor
		int windowCount = 0;
		foreach (IntPtr window in windows)
		{
			if (!(BFS.Window.GetText(window) == ""))
			{
				windowCount++;	
			}
		}
		
		// Set the window sizes based on how many are on that monitor
		if (windowCount == 1)
		{
			BFS.Window.Maximize(windowHandle);
		}
		else
		{
			// Set the width and height of the windows on that monitor
			Rectangle monitorBounds = BFS.Monitor.GetMonitorBoundsByID(monitorID);
			int windowWidth = monitorBounds.Width / windowCount;
			int windowHeight = monitorBounds.Height;
			
			// Move and size the windows
			int i = 0;
			foreach (IntPtr window in windows)
			{
				if (!(BFS.Window.GetText(window) == ""))
				{
					BFS.Window.SetSizeAndLocation(window, monitorBounds.X + (windowWidth * i), monitorBounds.Y, windowWidth, windowHeight);
					i++;		
				}
			}
		}
	}
}