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
{
    private const int SnapDistance = 10;
	public static void Run(IntPtr windowHandle)
	{
		var windowBounds = BFS.Window.GetBounds(windowHandle);
		var monitorBounds = BFS.Monitor.GetMonitorWorkAreaByWindow(windowHandle);
		
		var left = SnapTo(windowBounds.Left, monitorBounds.Left);
		var right = SnapTo(windowBounds.Right, monitorBounds.Right);
		var top = SnapTo(windowBounds.Top, monitorBounds.Top);
		var bottom = SnapTo(windowBounds.Bottom, monitorBounds.Bottom);
		
		BFS.Window.SetSizeAndLocation(windowHandle, left, top, right - left, bottom - top);
	}
	
    private static int SnapTo(int value, int snapTo)
    {
        return (Math.Abs(snapTo - value) < SnapDistance) ? snapTo : value;
    }	
}