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)
	{
        // Get the current size
        Rectangle currentBounds = BFS.Window.GetBounds(windowHandle);
       
        // Get the monitor bounds
        Rectangle monitorBounds = BFS.Monitor.GetMonitorBoundsByWindow(windowHandle);

        if (currentBounds == monitorBounds)
        {
            // Load the settings and set the window size
            string[] savedBounds = BFS.ScriptSettings.ReadValue(windowHandle.ToString()).Split(',');
            Rectangle targetBounds = new Rectangle(Convert.ToInt32(savedBounds[0]),Convert.ToInt32(savedBounds[1]),Convert.ToInt32(savedBounds[2]),Convert.ToInt32(savedBounds[3]));
            BFS.Window.SetSizeAndLocation(windowHandle, targetBounds.X, targetBounds.Y, targetBounds.Width, targetBounds.Height);
        }
		else
		{
            // Save the current size
            BFS.ScriptSettings.WriteValue(windowHandle.ToString(), currentBounds.X.ToString() + "," + currentBounds.Y.ToString() + "," + currentBounds.Width.ToString() + "," + currentBounds.Height.ToString());
            
            // Set it to 100% width/height
            BFS.Window.SetSizeAndLocation(windowHandle, monitorBounds.X, monitorBounds.Y, monitorBounds.Width, monitorBounds.Height);
        }
        
        // Cleanup old saved window sizes
        IntPtr[] allWindows = BFS.Window.GetAllWindowHandles();
        foreach (string valueName in BFS.ScriptSettings.GetValueNames())
        {
            bool windowExists = false;
            foreach (IntPtr window in allWindows)
            {
                if (valueName == window.ToString())
                {
                    windowExists = true;
                    break;
                }
            }
            if (!windowExists)
            {
                BFS.ScriptSettings.DeleteValue(valueName);
            }
        }
    }
}