package chess.controller.commands;

import chess.controller.Command;
import chess.controller.event.GameListener;
import chess.model.Coordinate;
import chess.model.Game;
import chess.model.Piece;

/**
 * Command to check the possible moves for a given piece.
 */
public class GetPieceAtCommand extends Command{

	private final Coordinate pieceCoords;
	private Piece piece;

	public GetPieceAtCommand(Coordinate pieceCoords) {
		this.pieceCoords = pieceCoords;
		this.piece = null;
	}

	@Override
	public CommandResult execute(Game game, GameListener outputSystem) {
		if (!pieceCoords.isValid())
			return CommandResult.NotAllowed;

		this.piece = game.getBoard().pieceAt(pieceCoords);

		return CommandResult.NotMoved;
	}

	public Piece getPiece() {
		return piece;
	}

}