//using System.Drawing;
//using System.Numerics;

//namespace BoardRules;

//public static class PieceMoves
//{
//	public static readonly ICollection<Vector2> GoldGeneralMoves =
//	[
//		new(-1, 1),
//		new(0, 1),
//		new(1, 1),
//		new(-1, 0),
//		new(1, 0),
//		new(0, -1)
//	];

//	public static readonly ICollection<Vector2> PawnMoves = [new(0, 1)];

//	public static readonly ICollection<Vector2> KnightMoves = [new(-1, 2), new(1, 2)];

//	public static readonly ICollection<Vector2> BishopMoves =
//	[
//		new(float.NegativeInfinity, float.NegativeInfinity),
//		new(float.NegativeInfinity, float.PositiveInfinity),
//		new(float.PositiveInfinity, float.PositiveInfinity),
//		new(float.PositiveInfinity, float.NegativeInfinity),
//	];
//}

//public class BoardRules
//{
//	private readonly Dictionary<string, IPiece> pieces = [];

//	public BoardRules WithSize(int width, int height)
//	{
//		this.BoardSize = new Size(width, height);
//		return this;
//	}

//	public Size BoardSize { get; private set; }

//	public BoardRules AddPiece(IPiece piece)
//	{
//		pieces.Add(piece.Name, piece);
//		return this;
//	}
//}

//public class BoardPieceRules(BoardRules rules, IPiece piece)
//{
//	public IPiece Piece { get; } = piece;
//	public BoardRules WithStartingPositions(ICollection<Vector2> positions)
//	{
//		// Validate positions against board size
//		foreach (var pos in positions)
//		{
//			if (pos.X < 0 || pos.Y < 0 || pos.X >= rules.BoardSize.Width || pos.Y >= rules.BoardSize.Height)
//			{
//				throw new ArgumentOutOfRangeException(nameof(positions), $"Position {pos} is out of bounds for board size {rules.BoardSize}.");
//			}
//		}
//		// Assuming piece has a way to set starting positions, which it currently does not.
//		// This is just a placeholder to show intent.
//		// piece.SetStartingPositions(positions);
//		return rules;
//	}
//}

//public interface IPiece
//{
//	public string Name { get; }
//	public ICollection<Vector2> MoveSet { get; }
//	public ICollection<Vector2> PromotedMoveSet { get; }

//	/// <summary>
//	/// The starting positions for this type of piece on the board. There could be one or many.
//	/// </summary>
//	public ICollection<Vector2> StartingPositions { get; }
//}

//public class GoldGeneral : IPiece
//{
//	public string Name => nameof(GoldGeneral);
//	public ICollection<Vector2> MoveSet => PieceMoves.GoldGeneralMoves;
//	public ICollection<Vector2> PromotedMoveSet => PieceMoves.GoldGeneralMoves;

//	public ICollection<Vector2> StartingPositions => [new(3, 0), new(5, 0), new(4, 1)];
//}

//public class Pawn : IPiece
//{
//	public string Name => nameof(Pawn);
//	public ICollection<Vector2> MoveSet => PieceMoves.PawnMoves;
//	public ICollection<Vector2> PromotedMoveSet => PieceMoves.GoldGeneralMoves;
//}

//public class Knight : IPiece
//{
//	public string Name => nameof(Knight);
//	public ICollection<Vector2> MoveSet => PieceMoves.KnightMoves;
//	public ICollection<Vector2> PromotedMoveSet => PieceMoves.GoldGeneralMoves;
//}

//public class Bishop : IPiece
//{
//	public string Name => nameof(Bishop);
//	public ICollection<Vector2> MoveSet => PieceMoves.BishopMoves;
//	public ICollection<Vector2> PromotedMoveSet => PieceMoves.BishopMoves;
//}

//public class Luke
//{
//	public void Yep()
//	{
//		var board = new BoardRules()
//			.WithSize(9, 9)
//			.AddPiece(new Pawn())
//	}
//}