Step 11 - fixes

src/ch/epfl/chacun/ActionEncoder.java

@@ -70,7 +70,8 @@ private static List<Pos> sortFringe(GameState gameState) {
      */
     private static List<Occupant> sortOccupants(GameState gameState) {
         return gameState.board().occupants().stream()
-                .sorted(Comparator.comparing(Occupant::zoneId)).toList();
+                .sorted(Comparator.comparing(Occupant::zoneId))
+                .toList();
     }
 
     /**
@@ -248,22 +249,6 @@ public record StateAction(GameState gameState, String action) {
      * @author Balthazar Baillat (sciper: 373420)
      */
     public static class IllegalActionException extends Exception {
-
-        /**
-         * Constructs an illegal action exception.
-         */
-        public IllegalActionException() {
-            super();
-        }
-
-        /**
-         * Constructs an illegal action exception with a message.
-         *
-         * @param message the message
-         */
-        public IllegalActionException(String message) {
-            super(message);
-        }
     }
 
 

src/ch/epfl/chacun/Base32.java

@@ -25,7 +25,17 @@ public class Base32 {
      * @return true if and only if the string is valid and false otherwise
      */
     public static boolean isValid(String string) {
-        return string.chars().allMatch(c -> ALPHABET.indexOf(c) != -1);
+        return string.chars().allMatch(c -> isValid((char) c));
+    }
+
+    /**
+     * Checks if the given character is valid in base 32.
+     *
+     * @param character the character to be checked
+     * @return true if and only if the character is valid and false otherwise
+     */
+    public static boolean isValid(char character) {
+        return ALPHABET.indexOf(character) != -1;
     }
 
     /**
@@ -48,7 +58,7 @@ public static String encodeBits5(int value) {
      */
     public static String encodeBits10(int value) {
         // Encoded independently two 5-bit parts and merge them
-        return encodeBits5(value  >> BASE_32_SYMBOL_BITS) + encodeBits5(value);
+        return encodeBits5(value >> BASE_32_SYMBOL_BITS) + encodeBits5(value);
     }
 
     /**
@@ -60,7 +70,6 @@ public static String encodeBits10(int value) {
      * @return the integer corresponding to the decoded value
      */
     public static int decode(String value) {
-        Preconditions.checkArgument(value.length() == 1 || value.length() == 2);
         Preconditions.checkArgument(isValid(value));
         int decodedValue = 0;
         // For each value, add its index in the base 32 alphabet times

src/ch/epfl/chacun/MessageBoard.java

@@ -66,9 +66,7 @@ public MessageBoard withScoredForest(Area<Zone.Forest> forest) {
             int points = Points.forClosedForest(tileCount, mushroomGroupCount);
             String messageContent = textMaker
                     .playersScoredForest(forest.majorityOccupants(), points, mushroomGroupCount, tileCount);
-            // Add a new message
-            List<Message> messages = newMessages(messageContent, points, forest.majorityOccupants(), forest.tileIds());
-            return new MessageBoard(textMaker, messages);
+            return addMessage(messageContent, points, forest.majorityOccupants(), forest.tileIds());
         }
         return this;
     }
@@ -83,9 +81,7 @@ public MessageBoard withScoredForest(Area<Zone.Forest> forest) {
      */
     public MessageBoard withClosedForestWithMenhir(PlayerColor player, Area<Zone.Forest> forest) {
         String messageContent = textMaker.playerClosedForestWithMenhir(player);
-        // Create the message
-        List<Message> messages = newMessages(messageContent, 0, Set.of(), forest.tileIds());
-        return new MessageBoard(textMaker, messages);
+        return addMessage(messageContent, 0, Set.of(), forest.tileIds());
     }
 
     /**
@@ -105,9 +101,7 @@ public MessageBoard withScoredRiver(Area<Zone.River> river) {
             Set<PlayerColor> scorers = river.majorityOccupants();
             String messageContent = textMaker
                     .playersScoredRiver(scorers, points, fishCount, tileIds.size());
-            // Add a new message
-            List<Message> messages = newMessages(messageContent, points, scorers, tileIds);
-            return new MessageBoard(textMaker, messages);
+            return addMessage(messageContent, points, scorers, tileIds);
         }
         return this;
     }
@@ -133,8 +127,7 @@ public MessageBoard withScoredHuntingTrap(PlayerColor scorer, Area<Zone.Meadow>
         if (points > 0) {
             // Add a new message
             String messageContent = textMaker.playerScoredHuntingTrap(scorer, points, animalCount);
-            List<Message> messages = newMessages(messageContent, points, Set.of(scorer), adjacentMeadow.tileIds());
-            return new MessageBoard(textMaker, messages);
+            return addMessage(messageContent, points, Set.of(scorer), adjacentMeadow.tileIds());
         }
         return this;
     }
@@ -152,9 +145,7 @@ public MessageBoard withScoredLogboat(PlayerColor scorer, Area<Zone.Water> river
         int lakeCount = Area.lakeCount(riverSystem);
         int points = Points.forLogboat(lakeCount);
         String messageContent = textMaker.playerScoredLogboat(scorer, points, lakeCount);
-        // Add a new message
-        List<Message> messages = newMessages(messageContent, points, Set.of(scorer), riverSystem.tileIds());
-        return new MessageBoard(textMaker, messages);
+        return addMessage(messageContent, points, Set.of(scorer), riverSystem.tileIds());
     }
 
     /**
@@ -174,11 +165,8 @@ public MessageBoard withScoredRiverSystem(Area<Zone.Water> riverSystem) {
             Set<PlayerColor> scorers = riverSystem.majorityOccupants();
             // Don't create a message if no points are scored
             if (points > 0) {
-                String messageContent = textMaker.playersScoredRiverSystem(scorers,
-                        points, fishCount);
-                // Add a new message
-                List<Message> messages = newMessages(messageContent, points, scorers, riverSystem.tileIds());
-                return new MessageBoard(textMaker, messages);
+                String messageContent = textMaker.playersScoredRiverSystem(scorers, points, fishCount);
+                return addMessage(messageContent, points, scorers, riverSystem.tileIds());
             }
         }
         return this;
@@ -206,9 +194,7 @@ public MessageBoard withScoredMeadow(Area<Zone.Meadow> meadow, Set<Animal> cance
             // Don't create a message if no points are scored
             if (points > 0) {
                 String messageContent = textMaker.playersScoredMeadow(scorers, points, animalCount);
-                // Add a new message
-                List<Message> messages = newMessages(messageContent, points, scorers, meadow.tileIds());
-                return new MessageBoard(textMaker, messages);
+                return addMessage(messageContent, points, scorers, meadow.tileIds());
             }
         }
         return this;
@@ -242,8 +228,7 @@ public MessageBoard withScoredPitTrap(Area<Zone.Meadow> adjacentMeadow, Set<Anim
             // Don't create a message if no points are scored
             if (points > 0) {
                 String messageContent = textMaker.playersScoredPitTrap(scorers, points, animalCount);
-                List<Message> messages = newMessages(messageContent, points, scorers, adjacentMeadow.tileIds());
-                return new MessageBoard(textMaker, messages);
+                return addMessage(messageContent, points, scorers, adjacentMeadow.tileIds());
             }
         }
         return this;
@@ -264,9 +249,7 @@ public MessageBoard withScoredRaft(Area<Zone.Water> riverSystem) {
             int lakeCount = Area.lakeCount(riverSystem);
             int points = Points.forRaft(lakeCount);
             String messageContent = textMaker.playersScoredRaft(scorers, lakeCount, points);
-            // Add a new message
-            List<Message> messages = newMessages(messageContent, points, scorers, riverSystem.tileIds());
-            return new MessageBoard(textMaker, messages);
+            return addMessage(messageContent, points, scorers, riverSystem.tileIds());
         }
         return this;
     }
@@ -280,8 +263,7 @@ public MessageBoard withScoredRaft(Area<Zone.Water> riverSystem) {
      */
     public MessageBoard withWinners(Set<PlayerColor> winners, int points) {
         String messageContent = textMaker.playersWon(winners, points);
-        List<Message> messages = newMessages(messageContent, 0, Set.of(), Set.of());
-        return new MessageBoard(textMaker, messages);
+        return addMessage(messageContent, 0, Set.of(), Set.of());
     }
 
     /**
@@ -297,10 +279,18 @@ private int pointsForMeadow(Map<Animal.Kind, Integer> animalCount) {
                 animalCount.getOrDefault(Animal.Kind.DEER, 0));
     }
 
-    private List<Message> newMessages(String text, int points, Set<PlayerColor> scorers, Set<Integer> tileIds) {
+    /**
+     * Adds a new message to the message board.
+     * @param text the text of the message
+     * @param points the points associated with the message
+     * @param scorers the players who have scored the points
+     * @param tileIds the ids of the tiles involved in the message
+     * @return the list of messages with the new message added
+     */
+    private MessageBoard addMessage(String text, int points, Set<PlayerColor> scorers, Set<Integer> tileIds) {
         List<Message> newMessages = new ArrayList<>(messages);
         newMessages.add(new Message(text, points, scorers, tileIds));
-        return newMessages;
+        return new MessageBoard(textMaker, newMessages);
     }
 
     /**

src/ch/epfl/chacun/gui/ActionUI.java

@@ -10,6 +10,8 @@
 
 import java.util.List;
 import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.IntStream;
 
 /**
  * Helper class to display the actions interface.
@@ -19,6 +21,11 @@
  */
 public final class ActionUI {
 
+    /**
+     * The maximum number of actions to display at a time.
+     */
+    private static final int NUMBER_OF_ACTIONS_TO_DISPLAY = 4;
+
     /**
      * Non-instantiable class constructor.
      */
@@ -38,29 +45,21 @@ public static Node create(ObservableValue<List<String>> actionsO, Consumer<Strin
         container.setId("actions");
 
         Text fourPreviousActionsText = new Text();
+        // Only display the last NUMBER_OF_ACTIONS_TO_DISPLAY actions
         fourPreviousActionsText.textProperty().bind(actionsO.map(actions -> {
-            StringBuilder s = new StringBuilder();
-            List<String> fourPreviousActions = actions.size() < 4 ? actions
-                    : actions.subList(actions.size() - 4, actions.size());
-
-            int index = actions.size() / 4;
-            for (int i = 0; i < fourPreviousActions.size(); ++i) {
-                s.append(STR."\{index + i + 1}:\{fourPreviousActions.get(i)} ");
-            }
-            return s.toString();
+            int numberOfAppliedActions = actions.size();
+            int firstIndex = Math.max(0, numberOfAppliedActions - NUMBER_OF_ACTIONS_TO_DISPLAY);
+            return IntStream.range(firstIndex, numberOfAppliedActions)
+                    .mapToObj(i -> STR."\{i + 1}:\{actions.get(i)}")
+                    .collect(Collectors.joining(", "));
         }));
 
         TextField actionField = new TextField();
         actionField.setId("action-field");
-
+        // Sanitize the user input
         actionField.setTextFormatter(new TextFormatter<>(change -> {
-            // TODO: Use streams
-            change.setText(change.getText().toUpperCase());
-            change.getText().chars().forEach(i -> {
-                String c = String.valueOf((char) i);
-                if (!Base32.isValid(c))
-                    change.setText(change.getText().replace(c, ""));
-            });
+            String sanitizedInput = sanitizeInput(change.getText());
+            change.setText(sanitizedInput);
             return change;
         }));
 
@@ -70,8 +69,21 @@ public static Node create(ObservableValue<List<String>> actionsO, Consumer<Strin
             actionField.clear();
         });
 
-        container.getChildren().add(fourPreviousActionsText);
-        container.getChildren().add(actionField);
+        container.getChildren().addAll(fourPreviousActionsText, actionField);
         return container;
     }
+
+    /**
+     * Sanitizes the input by uppercasing it and only keeping the characters that are in the base 32 alphabet.
+     * @param input the input to sanitize
+     * @return the sanitized input
+     */
+    private static String sanitizeInput(String input) {
+        StringBuilder sanitizedInput = new StringBuilder();
+        for (char character : input.toUpperCase().toCharArray()) {
+            if (Base32.isValid(character))
+                sanitizedInput.append(character);
+        }
+        return sanitizedInput.toString();
+    }
 }