using Godot;

public partial class PlayZone : Node2D
{
	[Export] public Node2D TopLeftCorner;
	[Export] public Node2D BottomRightCorner;
	[Export] public Node2D PlayerSpawnPoint;

	[Signal]
	public delegate void ZoneEnteredEventHandler(PlayZone sender);

	[Signal]
	public delegate void ZoneLeftEventHandler(PlayZone sender);

	public Rect2I Bounds = new Rect2I(0, 0, 0, 0);

	private Area2D _area2D;
	private CollisionShape2D _collisionShape2D;
	//private GameManager _gameManager;

	public override void _Ready()
	{
		//_gameManager = (GameManager)GetTree().Root.FindChild("GameManager");
		
		_area2D = (Area2D)FindChild("Area2D");
		_collisionShape2D = (CollisionShape2D)FindChild("CollisionShape2D");

		var size = BottomRightCorner.Position - TopLeftCorner.Position;
		Bounds = new Rect2I((int)TopLeftCorner.Position.X, (int)TopLeftCorner.Position.Y, (int)size.X, (int)size.Y);

		var middle = (BottomRightCorner.Position + TopLeftCorner.Position) / 2;
		_area2D.Position = middle;
		_collisionShape2D.Shape = new RectangleShape2D { Size = size };
	}

	private void BodyEntered(Node2D body)
	{
		if (body is not Player player)
			return;

		EmitSignal(SignalName.ZoneEntered, this);
	}

	private void BodyExited(Node2D body)
	{
		if (body is not Player player)
			return;
		
		EmitSignal(SignalName.ZoneLeft, this);
	}
}