using Engine.Core;

namespace Engine.Systems.Tween;

public static class TweenLine2DExtensions
{
    private static readonly BoxedPool<Line2D> boxedLine2DPool = new(2);

    public static ITween TweenLine2D(this Line2D initialLine2D, ITweenManager tweenManager, float duration, Line2D targetLine2D, System.Action<Line2D> setMethod)
    {
        Boxed<Line2D> boxedInitial = boxedLine2DPool.Get(initialLine2D);
        Boxed<Line2D> boxedTarget = boxedLine2DPool.Get(targetLine2D);

        ITween tween = tweenManager.StartTween(duration,
            t => setMethod?.Invoke(
                new Line2D(
                    boxedInitial.Value.From.Lerp(boxedTarget.Value.From, t),
                    boxedInitial.Value.To.Lerp(boxedTarget.Value.To, t)
                )
            )
        );

        tween.OnComplete(() =>
        {
            boxedLine2DPool.Return(boxedInitial);
            boxedLine2DPool.Return(boxedTarget);
        });

        return tween;
    }
}