using PathFinding;
using System.Collections.Generic;

namespace Gameboard.ShogiUI.BoardState.Pieces
{
  public class Bishop : Piece
  {
    private static readonly List<PathFinding.Move> Moves = new(4)
    {
      new PathFinding.Move(Direction.UpLeft, Distance.MultiStep),
      new PathFinding.Move(Direction.UpRight, Distance.MultiStep),
      new PathFinding.Move(Direction.DownLeft, Distance.MultiStep),
      new PathFinding.Move(Direction.DownRight, Distance.MultiStep)
    };
    private static readonly List<PathFinding.Move> PromotedMoves = new(8)
    {
      new PathFinding.Move(Direction.Up),
      new PathFinding.Move(Direction.Left),
      new PathFinding.Move(Direction.Right),
      new PathFinding.Move(Direction.Down),
      new PathFinding.Move(Direction.UpLeft, Distance.MultiStep),
      new PathFinding.Move(Direction.UpRight, Distance.MultiStep),
      new PathFinding.Move(Direction.DownLeft, Distance.MultiStep),
      new PathFinding.Move(Direction.DownRight, Distance.MultiStep)
    };
    public Bishop(WhichPlayer owner) : base(WhichPiece.Bishop, owner)
    {
      moveSet = new MoveSet(this, Moves);
      promotedMoveSet = new MoveSet(this, PromotedMoves);
    }

    public override Piece DeepClone()
    {
      var clone = new Bishop(Owner);
      if (IsPromoted) clone.Promote();
      return clone;
    }
  }
}