using System.Collections.Generic;

using Microsoft.Xna.Framework;

using Apos.Shapes;

using Syntriax.Engine.Core;
using Syntriax.Engine.Physics2D.Primitives;
using Syntriax.Engine.Core.Abstract;

namespace Pong.Behaviours;

public class ShapeAABBBehaviour : BehaviourOverride, IDisplayableShape
{
    private readonly List<Vector2D> vectors = [];
    private ShapeBehaviour? shapeBehaviour = null;
    private readonly static Vector2D screenScale = Vector2D.Down + Vector2D.Right;

    public ShapeAABBBehaviour() { }
    public ShapeAABBBehaviour(float Thickness) { this.Thickness = Thickness; }
    public ShapeAABBBehaviour(Color color) { Color = color; }
    public ShapeAABBBehaviour(Color color, float Thickness) { this.Thickness = Thickness; Color = color; }

    public Color Color { get; set; } = Color.White;
    public float Thickness { get; set; } = .5f;

    protected override void OnFirstActiveFrame()
    {
        BehaviourController.TryGetBehaviour(out shapeBehaviour);
    }

    public void Draw(ShapeBatch shapeBatch)
    {
        if (shapeBehaviour is null)
            return;

        shapeBehaviour.Shape.TransformShape(Transform, vectors);
        AABB aabb = AABB.FromVectors(vectors);

        shapeBatch.DrawRectangle(aabb.Center.Scale(screenScale).Subtract(aabb.SizeHalf).ToVector2(), aabb.Size.ToVector2(), Color.Transparent, Color.Blue);
    }
}