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 w)
    {
        if (w == 0) return;
        var isMaximized = BFS.Window.IsMaximized(w);
        var wasMaximizedBefore = BFS.Window.GetWindowProperty(w, "wasMaximizedBefore") == 1;

        if (isMaximized)
        {
            if (isSuperMaximized(w))
            {
                BFS.Window.Restore(w);
                if (wasMaximizedBefore) BFS.Window.Maximize(w);
            } else
            {
                superMaximize(w);
            }
        } else
        {
            superMaximize(w);
        }
        BFS.Window.SetWindowProperty(w, "wasMaximizedBefore", isMaximized ? 1 : 0);
    }

    public static bool isSuperMaximized(IntPtr w)
    {
        var wSize = BFS.Window.GetBounds(w);
        Rectangle mSize = BFS.Monitor.GetScreens()[0].WorkArea;
        return wSize.Width == mSize.Width && wSize.Height == mSize.Height;
    }
    public static void superMaximize(IntPtr w)
    {
        BFS.DisplayFusion.RunFunctionWithWindowHandle("Maximize Window (ignore monitor splits)", w);
    }
}