loading/saving system

src/backend/Board.java

@@ -204,6 +204,7 @@ public class Board {
 	 }
 
 	public ArrayList<int[]> getValidMoves(Piece p) {
+		// Calculate the valid moves for each Piece type
 	    ArrayList<int[]> moves = new ArrayList<>();
 	    int x = p.getX(), y = p.getY();
 	    boolean isWhite = p.isWhite();
@@ -283,17 +284,64 @@ public class Board {
 	/* saving-loading feature :*/
 
 	public String[] toFileRep() {
-		//TODO
-		return null;
+		ArrayList<String> fileLines = new ArrayList<>();
+	    
+	    // First line: game state (turn number and current player)
+	    fileLines.add(turnNumber + "," + (turnWhite ? "white" : "black"));
+	    
+	    // Second line: board dimensions
+	    fileLines.add(line + "," + col);
+	    
+	    // Get all pieces on the board
+	    ArrayList<Piece> pieces = getPieces();
+	    
+	    // Add one line per piece with format: pieceType,x,y,color
+	    for (Piece piece : pieces) {
+	        StringBuilder pieceInfo = new StringBuilder();
+	        pieceInfo.append(piece.getType()).append(",");
+	        pieceInfo.append(piece.getX()).append(",");
+	        pieceInfo.append(piece.getY()).append(",");
+	        pieceInfo.append(piece.isWhite() ? "W" : "B");
+	        
+	        fileLines.add(pieceInfo.toString());
+	    }
+	    
+	    return fileLines.toArray(new String[0]);
 	}
 
-	public Board(String[] array) {
-		//TODO
+	public Board(String[] fileRepresentation) {
+		// Parse game state from first line
+	    String[] gameState = fileRepresentation[0].split(",");
+	    turnNumber = Integer.parseInt(gameState[0]);
+	    turnWhite = gameState[1].equals("white");
+	    
+	    // Parse board dimensions from second line
+	    String[] dimensions = fileRepresentation[1].split(",");
+	    line = Integer.parseInt(dimensions[0]);
+	    col = Integer.parseInt(dimensions[1]);
+	    
+	    // Initialize the board with the specified dimensions
+	    board = new Piece[line][col];
+	    
+	    // Parse pieces from the remaining lines
+	    for (int i = 2; i < fileRepresentation.length; i++) {
+	        String[] pieceInfo = fileRepresentation[i].split(",");
+	        
+	        PieceType pieceType = PieceType.valueOf(pieceInfo[0]);
+	        int x = Integer.parseInt(pieceInfo[1]);
+	        int y = Integer.parseInt(pieceInfo[2]);
+	        boolean isWhite = pieceInfo[3].equals("W");
+	        
+	        // Create the piece and place it on the board
+	        board[y][x] = new Piece(isWhite,pieceType, x, y);
+	    }
+	    
+	    // Initialize other state variables
+	    selectedPosition = null;
+	    highlightedPositions = new ArrayList<>();
 
 	}
 
-	/* The following methods require more work ! */
-
 	public boolean isHighlighted(int x, int y) {
 		// Storing valid moves when piece is selected
 		for (int[] pos : highlightedPositions) {