feat: pgn parser

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

@@ -4,6 +4,7 @@ import java.util.List;
 
 import chess.controller.CommandExecutor;
 import chess.controller.PlayerCommand;
+import chess.controller.Command.CommandResult;
 import chess.controller.commands.CastlingCommand;
 import chess.controller.commands.GetPieceAtCommand;
 import chess.controller.commands.GetPlayerMovesCommand;
@@ -88,7 +89,7 @@ public class PgnExport {
 			Piece otherPiece = pieceAt(cmdExec, move.getStart());
 
 			// checking type of piece
-			if (otherPiece.hashCode() != movingPiece.hashCode())
+			if (!otherPiece.getClass().equals(movingPiece.getClass()))
 				continue;
 
 			String startPos = toString(pieceMove.getStart());
@@ -149,7 +150,10 @@ public class PgnExport {
 		}
 	}
 
-	private static String printMove(PlayerCommand cmd, PlayerCommand nextCommand, Game virtualGame,
+	private record MoveResult(String move, CommandResult commandResult) {
+	}
+
+	private static MoveResult printMove(PlayerCommand cmd, PlayerCommand nextCommand, Game virtualGame,
 			CommandExecutor executor) {
 		String result = "";
 		if (cmd instanceof MoveCommand move) {
@@ -177,14 +181,14 @@ public class PgnExport {
 			result += castling(castlingCommand);
 		}
 
-		executor.executeCommand(cmd);
+		CommandResult commandResult = executor.executeCommand(cmd);
 
 		// check or checkmate
 		result += checkCheckMate(virtualGame);
 
 		result += " ";
 
-		return result;
+		return new MoveResult(result, commandResult);
 	}
 
 	public static String exportGame(Game game) {
@@ -199,17 +203,33 @@ public class PgnExport {
 
 		int tour = 1;
 
+		String lastMove = null;
+
 		for (int i = 0; i < commands.size(); i++) {
 			PlayerCommand cmd = commands.get(i);
 			PlayerCommand nextCommand = null;
+
 			if (i != commands.size() - 1) {
 				nextCommand = commands.get(i + 1);
 			}
-			if (virtualGame.getPlayerTurn() == Color.White) {
+			MoveResult moveResult = printMove(cmd, nextCommand, virtualGame, executor);
+			if (moveResult.commandResult() == CommandResult.Moved && virtualGame.getPlayerTurn() == Color.Black) {
 				result += tour + ".";
 				tour++;
 			}
-			result += printMove(cmd, nextCommand, virtualGame, executor);
+			
+			if (moveResult.commandResult() == CommandResult.ActionNeeded) {
+				lastMove = moveResult.move();
+				continue;
+			}
+			
+			if (lastMove != null && moveResult.commandResult() == CommandResult.Moved){
+				result += lastMove;
+				lastMove = null;
+				continue;
+			}
+			result += moveResult.move();
+
 		}
 		return result + " " + gameEnd(virtualGame);
 	}