using Engine.Core;

namespace Engine.Systems.Tween;

public static class TweenTriangleExtensions
{
    private static readonly BoxedPool<Triangle> boxedTrianglePool = new(2);

    public static ITween TweenTriangle(this Triangle initialTriangle, ITweenManager tweenManager, float duration, Triangle targetTriangle, System.Action<Triangle> setMethod)
    {
        Boxed<Triangle> boxedInitial = boxedTrianglePool.Get(initialTriangle);
        Boxed<Triangle> boxedTarget = boxedTrianglePool.Get(targetTriangle);

        ITween tween = tweenManager.StartTween(duration, t => setMethod?.Invoke(
                new Triangle(
                    boxedInitial.Value.A.Lerp(boxedTarget.Value.A, t),
                    boxedInitial.Value.B.Lerp(boxedTarget.Value.B, t),
                    boxedInitial.Value.C.Lerp(boxedTarget.Value.C, t)
                )
            )
        );

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

        return tween;
    }
}