using Godot;
using System;

public partial class HoverableNode : Node2D
{
    [Signal]
    public delegate void HoverEventHandler(HoverableNode THIS, bool IS_HOVERED);
    [Signal]
    public delegate void ClickEventHandler(HoverableNode THIS, int CLICK_TYPE);

    public bool _hovered;
    public Area2D _bounds;

    public override void _Ready()
    {
        base._Ready();
        _bounds = GetNode<Area2D>("HoverBounds");
        _bounds.MouseEntered += OnMouseEntered;
        _bounds.MouseExited += OnMouseExited; 
    }

    public override void _Input(InputEvent @event)
    {
        if (_hovered)
        {
            if (Input.IsActionJustReleased("lmb"))
            {
                EmitSignal(SignalName.Click, this, 0);
            }
            if (Input.IsActionJustReleased("rmb"))
            {
                EmitSignal(SignalName.Click, this, 1);
            }
        }
    }

    public virtual void OnMouseEntered()
    {
        _hovered = true;
        EmitSignal(SignalName.Hover, this,_hovered);
    }

    public virtual void OnMouseExited()
    {
        _hovered = false;
        EmitSignal(SignalName.Hover, this, _hovered);
    }
}