using Godot;
using Newlon;
using System;

public partial class GamepadHandler : Node
{
	public static GamepadHandler Instance { get; private set; }
	public int CurrentDevice { get; private set; } = 0;
	public bool IsGamepadControlled => focused && controlled;
	private bool focused;
	private bool controlled;
	public override void _EnterTree()
	{
		Instance = this;
	}

	public override void _Notification(int what)
	{
		if (what == NotificationApplicationFocusIn)
		{
			focused = true;
		}
		if (what == NotificationApplicationFocusOut)
		{
			focused = false;
		}
	}
	public override void _Input(InputEvent @event)
	{
		if (@event is InputEventJoypadButton || @event is InputEventJoypadMotion)
		{
			SetControlled(true);
		}
		if ((@event is InputEventMouse && Input.GetVector("cursor_left", "cursor_right", "cursor_up", "cursor_down") == Vector2.Zero) || @event is InputEventKey)
		{
			SetControlled(false);
		}
	}
	private void SetControlled(bool to)
	{
		controlled = to;
		if (controlled)
		{
			Cursor.Mode = Cursor.CursorMode.Gamepad;
		}
		else
		{
			Cursor.Mode = Cursor.CursorMode.Mouse;
		}
	}

}