fix pgn

app/src/main/java/chess/pgn/PgnExport.java

@@ -25,12 +25,6 @@ public class PgnExport {
 	// 	final Game game = new Game(new ChessBoard());
 	// 	final CommandExecutor commandExecutor = new CommandExecutor(game);
 
-	// 	// FoolCheckMate foolCheckMate = new FoolCheckMate(commandExecutor);
-	// 	// // commandExecutor.addListener(foolCheckMate);
-
-	// 	// PromoteTest promoteTest = new PromoteTest(commandExecutor);
-	// 	// commandExecutor.addListener(promoteTest);
-
 	// 	DumbAI ai1 = new DumbAI(commandExecutor, Color.White);
 	// 	commandExecutor.addListener(ai1);
 
@@ -48,6 +42,8 @@ public class PgnExport {
 	// 	commandExecutor.executeCommand(new NewGameCommand());
 	// }
 
+	private static final PiecePgnName piecePgnName = new PiecePgnName();
+
 	private static Piece pieceAt(CommandExecutor commandExecutor, Coordinate coordinate) {
 		GetPieceAtCommand cmd = new GetPieceAtCommand(coordinate);
 		commandExecutor.executeCommand(cmd);
@@ -60,6 +56,22 @@ public class PgnExport {
 		return cmd.getMoves();
 	}
 
+	private static String gameEnd(Game game) {
+		switch (game.checkGameStatus()) {
+			case Draw:
+			case Pat:
+				return "1/2-1/2";
+
+			case CheckMate:
+				if (game.getPlayerTurn() == Color.White)
+					return "1-0";
+				return "0-1";
+
+			default:
+				return "";
+		}
+	}
+
 	private static String resolveAmbiguity(CommandExecutor cmdExec, Move pieceMove) {
 		Piece movingPiece = pieceAt(cmdExec, pieceMove.getStart());
 
@@ -93,9 +105,90 @@ public class PgnExport {
 		return "";
 	}
 
-	public static String exportGame(Game game) {
+	private static String capture(MoveCommand move, Piece movingPiece) {
+		String result = "";
+		if (move.getDeadPiece() != null) {
+			if (movingPiece instanceof Pawn) {
+				result += toString(move.getMove().getStart()).charAt(0);
+			}
+			result += "x";
+		}
+		return result;
+	}
 
-		// saveToFile(game.getMoves());
+	private static String promote(PlayerCommand nextCommand) {
+		if (nextCommand != null && nextCommand instanceof PromoteCommand promoteCommand) {
+			String result = "=";
+			result += switch (promoteCommand.getPromoteType()) {
+				case Bishop -> "B";
+				case Knight -> "N";
+				case Queen -> "Q";
+				case Rook -> "R";
+			};
+			return result;
+		}
+		return "";
+	}
+
+	private static String castling(CastlingCommand castlingCommand) {
+		String result = "O-O";
+		if (castlingCommand.isBigCastling())
+			result += "-O";
+		return result;
+	}
+
+	private static String checkCheckMate(Game game) {
+		switch (game.checkGameStatus()) {
+			case CheckMate:
+				return "#";
+
+			case Check:
+				return "+";
+
+			default:
+				return "";
+		}
+	}
+
+	private static String printMove(PlayerCommand cmd, PlayerCommand nextCommand, Game virtualGame,
+			CommandExecutor executor) {
+		String result = "";
+		if (cmd instanceof MoveCommand move) {
+
+			Piece movingPiece = virtualGame.getBoard().pieceAt(move.getMove().getStart());
+
+			assert movingPiece != null;
+
+			// piece name
+			result += piecePgnName.visit(movingPiece);
+
+			// ambiguious start
+			result += resolveAmbiguity(executor, move.getMove());
+
+			// capture
+			result += capture(move, movingPiece);
+
+			// end cell
+			result += toString(move.getMove().getFinish());
+
+			// promote
+			result += promote(nextCommand);
+
+		} else if (cmd instanceof CastlingCommand castlingCommand) {
+			result += castling(castlingCommand);
+		}
+
+		executor.executeCommand(cmd);
+
+		// check or checkmate
+		result += checkCheckMate(virtualGame);
+
+		result += " ";
+
+		return result;
+	}
+
+	public static String exportGame(Game game) {
 
 		ChessBoard board = new ChessBoard();
 		Game virtualGame = new Game(board);
@@ -104,7 +197,6 @@ public class PgnExport {
 		executor.executeCommand(new NewGameCommand());
 
 		List<PlayerCommand> commands = game.getMoves();
-		PiecePgnName piecePgnName = new PiecePgnName();
 		String result = "";
 
 		int tour = 1;
@@ -115,66 +207,13 @@ public class PgnExport {
 			if (i != commands.size() - 1) {
 				nextCommand = commands.get(i + 1);
 			}
-			if (cmd instanceof MoveCommand move) {
-				if (virtualGame.getPlayerTurn() == Color.White) {
-					result += tour + ".";
-					tour++;
-				}
-				Piece movingPiece = virtualGame.getBoard().pieceAt(move.getMove().getStart());
-
-				assert movingPiece != null;
-
-				// piece name
-				result += piecePgnName.visit(movingPiece);
-
-				// capture
-				if (move.getDeadPiece() != null) {
-					if (movingPiece instanceof Pawn) {
-						result += toString(move.getMove().getStart()).charAt(0);
-					}
-					result += "x";
-				}
-
-				// ambiguious start
-				result += resolveAmbiguity(executor, move.getMove());
-
-				// end cell
-				result += toString(move.getMove().getFinish());
-
-				// promote
-				if (nextCommand != null && nextCommand instanceof PromoteCommand promoteCommand) {
-					result += "=";
-					result += switch (promoteCommand.getPromoteType()) {
-						case Bishop -> "B";
-						case Knight -> "N";
-						case Queen -> "Q";
-						case Rook -> "R";
-					};
-				}
-			} else if (cmd instanceof CastlingCommand castlingCommand) {
-				result += "O-O";
-				if (castlingCommand.isBigCastling())
-					result += "-O";
+			if (virtualGame.getPlayerTurn() == Color.White) {
+				result += tour + ".";
+				tour++;
 			}
-
-			executor.executeCommand(cmd);
-
-			// check or checkmate
-			switch (virtualGame.checkGameStatus()) {
-				case CheckMate:
-					result += "#";
-					break;
-
-				case Check:
-					result += "+";
-					break;
-
-				default:
-					break;
-			}
-			result += " ";
+			result += printMove(cmd, nextCommand, virtualGame, executor);
 		}
-		return result;
+		return result + " " + gameEnd(virtualGame);
 	}
 
 	public static String toString(Coordinate coordinate) {