Feat: New Game UI Features:

- Call, Raise, Fold, Bet and Winner action are displayed in the Lobby Chat.
- More security features in the Game UI
- The Game UI is now even more Texas Hold'em friendly

src/main/java/ch/unibas/dmi/dbis/cs108/casono/client/ui/gameui/CasinoGameController.java

@@ -1,6 +1,8 @@
 package ch.unibas.dmi.dbis.cs108.casono.client.ui.gameui;
 
 import ch.unibas.dmi.dbis.cs108.casono.client.chat.ChatController;
+import ch.unibas.dmi.dbis.cs108.casono.client.chat.ChatType;
+import ch.unibas.dmi.dbis.cs108.casono.client.chat.Message;
 import ch.unibas.dmi.dbis.cs108.casono.client.game.Card;
 import ch.unibas.dmi.dbis.cs108.casono.client.game.GameService;
 import ch.unibas.dmi.dbis.cs108.casono.client.game.GameState;
@@ -142,14 +144,18 @@ public class CasinoGameController {
     private static final String ACTIVE_CARD_BOX_STYLE_CLASS = "player-cards-active-turn";
     private static final int DEALER_OFFSET = 3;
     private static final String FIRST_PREFLOP_INFO_TEMPLATE =
-            "Set the big blind amount: %d$ or %d$";
+            "Bet the big blind amount: %d$ or +%d$";
 
     private String chatUsername;
     private ClientService chatClientService;
     private int chatLobbyId = -1;
     private boolean chatInitialized;
     private boolean gameFinished;
+    private boolean localWinAnnouncementSent;
     private String lastWinnerName;
+    private static final int SMALL_BLIND = 100;
+    private static final int BIG_BLIND = 200;
+    private static final int NO_BET = 0;
 
     /** Standard constructor. Used by FXML. */
     public CasinoGameController() {
@@ -201,11 +207,18 @@ public class CasinoGameController {
         if (controller != null && myPlayerId != null) {
             controller.setGameService(gameService, myPlayerId);
         }
+        configureTaskbarLobbyActionAnnouncements();
     }
 
+    /**
+     * Set the PlayerId of the current player.
+     *
+     * @param chatController The ChatController instance used for managing the chat functionality.
+     */
     public void startChat(ChatController chatController) {
         this.chatController = chatController;
         initializeChatIfPossible();
+        configureTaskbarLobbyActionAnnouncements();
     }
 
     /** Set the PlayerId of the current player. */
@@ -217,6 +230,7 @@ public class CasinoGameController {
         if (taskbarController != null && gameService != null && myPlayerId != null) {
             taskbarController.setGameService(gameService, myPlayerId);
         }
+        configureTaskbarLobbyActionAnnouncements();
 
         if (communityCardsBox == null) {
             LOGGER.warning("communityCardsBox is NULL");
@@ -270,6 +284,7 @@ public class CasinoGameController {
         this.chatUsername = username;
         this.chatClientService = clientService;
         this.chatLobbyId = lobbyId;
+        configureTaskbarLobbyActionAnnouncements();
     }
 
     /**
@@ -512,6 +527,7 @@ public class CasinoGameController {
             highlightDealer(s);
             updateTaskbar(s);
             clearActiveTurnHighlights();
+            announceLocalWinIfNeeded(s);
             finishGameUiLoop();
             return;
         }
@@ -683,11 +699,11 @@ public class CasinoGameController {
      * Returns a context-specific info message for the first player to act preflop.
      *
      * @param s The current game state.
-     * @return An English hint with the big blind amount and its double, or null if the special
+     * @return An English hint with the big blind amount and its double, or null if the special case
-     *     case does not apply.
+     *     does not apply.
      */
     private String resolveFirstPreflopInfo(GameState s) {
-        if (s == null || myPlayerId == null || s.players == null || s.players.size() < 2) {
+        if (s == null || s.players == null || s.players.size() < 2) {
             return null;
         }
 
@@ -695,22 +711,9 @@ public class CasinoGameController {
             return null;
         }
 
-        int myIndex = -1;
-        for (int i = 0; i < s.players.size(); i++) {
-            Player player = s.players.get(i);
-            if (player != null && myPlayerId.equals(player.getId())) {
-                myIndex = i;
-                break;
-            }
-        }
-
-        if (myIndex < 0) {
-            return null;
-        }
-
         int firstIndex =
                 (s.players.size() == 2) ? s.dealer : (s.dealer + DEALER_OFFSET) % s.players.size();
-        if (s.activePlayer != firstIndex || myIndex != firstIndex) {
+        if (s.activePlayer != firstIndex) {
             return null;
         }
 
@@ -724,7 +727,8 @@ public class CasinoGameController {
         }
 
         long raiseTarget = (long) callTarget * 2L;
-        int safeRaiseTarget = raiseTarget > Integer.MAX_VALUE ? Integer.MAX_VALUE : (int) raiseTarget;
+        int safeRaiseTarget =
+                raiseTarget > Integer.MAX_VALUE ? Integer.MAX_VALUE : (int) raiseTarget;
         return String.format(FIRST_PREFLOP_INFO_TEMPLATE, callTarget, safeRaiseTarget);
     }
 
@@ -746,11 +750,11 @@ public class CasinoGameController {
             }
 
             int bet = Math.max(0, player.getBet());
-            if (bet == 100) {
+            if (bet == SMALL_BLIND) {
                 sbCount++;
-            } else if (bet == 200) {
+            } else if (bet == BIG_BLIND) {
                 bbCount++;
-            } else if (bet == 0) {
+            } else if (bet == NO_BET) {
                 zeroCount++;
             }
         }
@@ -1089,6 +1093,39 @@ public class CasinoGameController {
         return null;
     }
 
+    /**
+     * Sends a short lobby chat message when the local player wins, but only once per hand.
+     *
+     * @param s The current game state.
+     */
+    private void announceLocalWinIfNeeded(GameState s) {
+        if (localWinAnnouncementSent || s == null || !isTerminalPhase(s.phase)) {
+            return;
+        }
+
+        Player winner = resolveWinner(s);
+        boolean isLocalWinner =
+                winner != null
+                        && winner.getId() != null
+                        && myPlayerId != null
+                        && myPlayerId.equals(winner.getId());
+
+        if (!isLocalWinner && lastWinnerName != null && !lastWinnerName.isBlank()) {
+            String localName =
+                    (chatUsername != null && !chatUsername.isBlank())
+                            ? chatUsername
+                            : (winner != null ? winner.getName() : null);
+            isLocalWinner = localName != null && localName.equalsIgnoreCase(lastWinnerName);
+        }
+
+        if (!isLocalWinner) {
+            return;
+        }
+
+        localWinAnnouncementSent = true;
+        sendLobbyActionMessage("I won");
+    }
+
     /**
      * Determine if the game is in a finished state based on the game state and the presence of a
      * winner name.
@@ -1736,6 +1773,47 @@ public class CasinoGameController {
         if (controller != null && gameService != null && myPlayerId != null) {
             controller.setGameService(gameService, myPlayerId);
         }
+        configureTaskbarLobbyActionAnnouncements();
+    }
+
+    /**
+     * Configure the TaskbarController to announce lobby actions by sending chat messages when
+     * certain actions occur in the game, such as winning a hand.
+     */
+    private void configureTaskbarLobbyActionAnnouncements() {
+        TaskbarController controller = resolveTaskbarController();
+        if (controller == null) {
+            return;
+        }
+        controller.setLobbyActionAnnouncer(this::sendLobbyActionMessage);
+    }
+
+    /**
+     * Send a lobby action message to the chat controller with the specified action label, which can
+     * be used to announce game events in the lobby chat.
+     *
+     * @param actionLabel The label describing the action to announce in the lobby chat, such as "I
+     *     won" when the local player wins a hand.
+     */
+    private void sendLobbyActionMessage(String actionLabel) {
+        if (chatController == null
+                || chatLobbyId < 0
+                || actionLabel == null
+                || actionLabel.isBlank()) {
+            return;
+        }
+
+        String sender =
+                (chatUsername != null && !chatUsername.isBlank())
+                        ? chatUsername
+                        : chatController.getCurrentUsername();
+        if (sender == null || sender.isBlank()) {
+            return;
+        }
+
+        Message message =
+                new Message(ChatType.LOBBY, chatLobbyId, sender, null, actionLabel.trim());
+        chatController.onSendToNetwork(message);
     }
 
     /**

src/main/java/ch/unibas/dmi/dbis/cs108/casono/client/ui/gameui/gameuicomponents/TaskbarController.java

@@ -11,6 +11,8 @@ import ch.unibas.dmi.dbis.cs108.casono.client.ui.lobbyui.Casinomainui;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.Optional;
+import java.util.function.Consumer;
+import java.util.function.UnaryOperator;
 import javafx.fxml.FXML;
 import javafx.scene.control.Alert;
 import javafx.scene.control.Button;
@@ -18,6 +20,8 @@ import javafx.scene.control.ButtonBar;
 import javafx.scene.control.ButtonType;
 import javafx.scene.control.Label;
 import javafx.scene.control.TextField;
+import javafx.scene.control.TextFormatter;
+import javafx.scene.control.Tooltip;
 import javafx.scene.image.Image;
 import javafx.scene.image.ImageView;
 import javafx.scene.input.KeyCode;
@@ -71,6 +75,11 @@ public class TaskbarController {
     private static final double ALERT_LOGO_HEIGHT = 40.0;
     private boolean inputActionAllowed;
     private int lastReferenceBet = BIG_BLIND;
+    private Consumer<String> lobbyActionAnnouncer;
+    private String lastPhase;
+    private static final int FIRST_PLAYER_MAX_BET = 3000;
+    private static final int MAX_INPUT_LENGTH = 6;
+    private static final double MAX_CHIP_PERCENT = 0.30;
 
     /** Standard constructor. Used by FXML. */
     public TaskbarController() {
@@ -223,6 +232,11 @@ public class TaskbarController {
         this.myPlayerId = myPlayerId;
     }
 
+    /** Sets an optional callback that publishes simple action labels to lobby chat. */
+    public void setLobbyActionAnnouncer(Consumer<String> lobbyActionAnnouncer) {
+        this.lobbyActionAnnouncer = lobbyActionAnnouncer;
+    }
+
     /**
      * Initializes the taskbar controller. This method is called automatically after the FXML
      * components have been loaded.
@@ -230,15 +244,102 @@ public class TaskbarController {
     @FXML
     public void initialize() {
         updateBasicButtons(false, false);
+
         if (taskbarInput != null) {
+
+            UnaryOperator<TextFormatter.Change> filter =
+                    change -> {
+                        String newText = change.getControlNewText();
+
+                        if (newText.length() > MAX_INPUT_LENGTH) {
+                            return null;
+                        }
+
+                        if (!newText.matches("\\d*")) {
+                            return null;
+                        }
+
+                        return change;
+                    };
+
+            taskbarInput.setTextFormatter(new TextFormatter<>(filter));
+
             taskbarInput
                     .textProperty()
                     .addListener((obs, oldValue, newValue) -> refreshBetInputUi());
         }
 
+        Tooltip callTooltip = new Tooltip();
+        callButton.setTooltip(callTooltip);
+        callButton.setOnMouseEntered(e -> callTooltip.setText(previewCall()));
+
+        Tooltip raiseTooltip = new Tooltip();
+        raiseButton.setTooltip(raiseTooltip);
+        raiseButton.setOnMouseEntered(e -> raiseTooltip.setText(previewRaise()));
+
         setBetButtonVisible(false);
     }
 
+    /**
+     * Generates a preview string for the Call action, showing the amount that would be called based
+     * on the current game state and the player's bet status.
+     *
+     * @return A string representing the Call action preview, including the amount that would be
+     *     called, or an empty string if the game state is not available.
+     */
+    private String previewCall() {
+        if (lastState == null) {
+            return "";
+        }
+
+        int callTarget = effectiveCallTarget(lastState);
+        Player me = findCurrentPlayer(lastState);
+
+        int alreadyInvested = (me != null) ? Math.max(0, me.getBet()) : 0;
+        int amount = Math.max(0, callTarget - alreadyInvested);
+
+        return "CALL " + amount;
+    }
+
+    /**
+     * Generates a preview string for the Raise action, showing the amount that would be raised.
+     *
+     * @return A string representing the Raise action preview, including the amount that would be
+     *     raised.
+     */
+    private String previewRaise() {
+        if (lastState == null) {
+            return "";
+        }
+
+        // int callTarget = effectiveCallTarget(lastState);
+        // Player me = findCurrentPlayer(lastState);
+
+        // int alreadyInvested = (me != null) ? Math.max(0, me.getBet()) : 0;
+
+        // Integer targetBet = resolveTargetBet(ActionType.RAISE_BUTTON, lastState);
+        // if (targetBet == null) {
+        //    return "";
+        // }
+
+        // int totalContribution = Math.max(0, targetBet);
+
+        GameState state = ensureLatestStateForAction(ActionType.CALL_BUTTON.name().toLowerCase());
+
+        // int raiseBy = Math.max(0, targetBet);
+        int raiseBy = effectiveCallTarget(state);
+
+        int callTarget = effectiveCallTarget(lastState);
+        Player me = findCurrentPlayer(lastState);
+
+        int alreadyInvested = (me != null) ? Math.max(0, me.getBet()) : 0;
+        int amount = Math.max(0, callTarget - alreadyInvested);
+
+        int raiseamout = amount + raiseBy;
+
+        return "RAISE +" + raiseBy + " TO " + raiseamout;
+    }
+
     /**
      * Updates the taskbar based on the current game state and the player's status.
      *
@@ -258,6 +359,7 @@ public class TaskbarController {
         }
 
         this.lastState = state;
+
         if (state.currentBet > 0) {
             lastReferenceBet = state.currentBet;
         }
@@ -279,8 +381,14 @@ public class TaskbarController {
         boolean isOut = me.getState() == PlayerState.FOLDED;
         boolean isGameFinished = isHandFinished(state);
 
+        boolean phaseChanged = lastPhase == null || !lastPhase.equalsIgnoreCase(state.phase);
+
+        lastPhase = state.phase;
+
         updateBasicButtons(isMyTurn, isOut || isGameFinished);
-        applyActionAvailability(state, me, isMyTurn, isOut || isGameFinished);
+
+        applyActionAvailability(state, me, isMyTurn, isOut || isGameFinished, phaseChanged);
+
         setMoney(me.getChips());
         refreshBetInputUi();
     }
@@ -297,7 +405,14 @@ public class TaskbarController {
      *     if the game is finished, which disables actions.
      */
     private void applyActionAvailability(
-            GameState state, Player me, boolean isMyTurn, boolean isOutOrFinished) {
+            GameState state,
+            Player me,
+            boolean isMyTurn,
+            boolean isOutOrFinished,
+            boolean phaseChanged) {
+
+        // boolean firstPlayerNewRound =
+        //        phaseChanged && isFirstPreflopPlayerInputOnly(state, me);
         inputActionAllowed = false;
         if (!isMyTurn || isOutOrFinished || state == null || me == null) {
             setBetButtonVisible(false);
@@ -318,7 +433,17 @@ public class TaskbarController {
             return;
         }
 
-        if (isFirstPreflopPlayerInputOnly(state, me)) {
+        // if (isFirstPreflopPlayerInputOnly(state, me)) {
+        //     setActionEnabled(betButton, true);
+        //     setActionEnabled(callButton, false);
+        //     setActionEnabled(foldButton, false);
+        //     setActionEnabled(raiseButton, false);
+        //     activateInputField(taskbarInput);
+        //     inputActionAllowed = true;
+        //     return;
+        // }
+
+        if (isFirstPlayerOfPhase(state, me)) {
             setActionEnabled(betButton, true);
             setActionEnabled(callButton, false);
             setActionEnabled(foldButton, false);
@@ -363,7 +488,16 @@ public class TaskbarController {
         if (value > Integer.MAX_VALUE / 2) {
             return Integer.MAX_VALUE;
         }
-        return value * 2;
+
+        int callTarget = effectiveCallTarget(lastState);
+        Player me = findCurrentPlayer(lastState);
+
+        int alreadyInvested = (me != null) ? Math.max(0, me.getBet()) : 0;
+        int amount = Math.max(0, callTarget - alreadyInvested);
+
+        int raisevalue = amount + value;
+
+        return raisevalue;
     }
 
     /**
@@ -441,10 +575,22 @@ public class TaskbarController {
      * @return An integer representing the effective call target for the current game state.
      */
     private int effectiveCallTarget(GameState state) {
-        if (state != null && state.currentBet > 0) {
+        int currentBet = (state != null) ? Math.max(0, state.currentBet) : 0;
-            return state.currentBet;
+        int rememberedBet = Math.max(0, lastReferenceBet);
+
+        if (state != null && isPreflop(state.phase) && isInitialPreflopBlindLayout(state)) {
+            return currentBet;
         }
-        return Math.max(0, lastReferenceBet);
+
+        if (currentBet <= 0) {
+            return rememberedBet;
+        }
+
+        if (rememberedBet <= 0) {
+            return currentBet;
+        }
+
+        return Math.max(currentBet, rememberedBet);
     }
 
     /**
@@ -483,6 +629,46 @@ public class TaskbarController {
         return isInitialPreflopBlindLayout(state);
     }
 
+    /**
+     * Checks if the current player is the first to act in the current phase of the game, based on
+     * the dealer position and the active player index.
+     *
+     * @param state The current GameState object representing the state of the game, which includes
+     *     information about
+     * @param me The Player object representing the current player, used to determine their
+     *     position.
+     * @return A boolean value indicating whether the current player is the first to act in the
+     *     current phase of the game.
+     */
+    private boolean isFirstPlayerOfPhase(GameState state, Player me) {
+
+        if (state == null || me == null || state.players == null) {
+            return false;
+        }
+
+        int size = state.players.size();
+        if (size < 2) {
+            return false;
+        }
+
+        int myIndex = state.players.indexOf(me);
+        if (myIndex < 0) {
+            return false;
+        }
+
+        int dealer = state.dealer;
+
+        int firstIndex;
+
+        if (isPreflop(state.phase)) {
+            firstIndex = (size == 2) ? dealer : (dealer + DEALER_OFFSET) % size;
+        } else {
+            firstIndex = (dealer + 1) % size;
+        }
+
+        return state.activePlayer == firstIndex && myIndex == firstIndex;
+    }
+
     /**
      * Checks if the initial blind layout is still in place during the pre-flop phase.
      *
@@ -492,6 +678,10 @@ public class TaskbarController {
      *     the pre-flop phase.
      */
     private boolean isInitialPreflopBlindLayout(GameState state) {
+        if (state == null || state.players == null || state.players.isEmpty()) {
+            return false;
+        }
+
         int sbCount = 0;
         int bbCount = 0;
         int zeroCount = 0;
@@ -652,7 +842,7 @@ public class TaskbarController {
             return;
         }
 
-        executeAction(state, targetBet);
+        executeAction(state, targetBet, actionType);
 
         if (targetBet > 0) {
             lastReferenceBet = targetBet;
@@ -682,7 +872,8 @@ public class TaskbarController {
         }
 
         if (actionType == ActionType.RAISE_BUTTON) {
-            return safeDouble(callTarget);
+            Integer input = parseInputTarget(taskbarInput.getText());
+            return input != null ? input : callTarget + BIG_BLIND;
         }
 
         return parseInputTarget(taskbarInput.getText());
@@ -728,19 +919,78 @@ public class TaskbarController {
      * @param targetBet The integer value representing the target bet amount for the action being
      *     executed, which is used to determine
      */
-    private void executeAction(GameState state, int targetBet) {
+    private void executeAction(GameState state, int targetBet, ActionType actionType) {
         int callTarget = effectiveCallTarget(state);
+        String phase = (state != null ? state.phase : "UNKNOWN");
+
+        int alreadyInvested =
+                (findCurrentPlayer(state) != null)
+                        ? Math.max(0, findCurrentPlayer(state).getBet())
+                        : 0;
+
+        if (actionType == ActionType.CALL_BUTTON) {
+
+            int amount = Math.max(0, callTarget - alreadyInvested);
+
+            gameService.call();
+
+            LOGGER.info("[{}] CALL +{} (total to {})", phase, amount, callTarget);
+            announceLobbyAction("CALL " + amount);
+
+            return;
+        }
+
+        if (actionType == ActionType.RAISE_BUTTON) {
+
+            int raiseBy = Math.max(0, targetBet - callTarget);
+
+            gameService.raise(raiseBy);
+
+            LOGGER.info("[{}] RAISE +{} (target={})", phase, raiseBy, targetBet);
+            announceLobbyAction("RAISE +" + raiseBy + " TO " + targetBet);
+
+            return;
+        }
 
         if (state.currentBet <= 0) {
+
             gameService.bet(targetBet);
-            LOGGER.info("BET {}", targetBet);
+
-        } else if (targetBet == callTarget) {
+            LOGGER.info("[{}] BET {}", phase, targetBet);
+            announceLobbyAction("BET " + targetBet);
+
+            return;
+        }
+
+        if (targetBet == callTarget) {
+
+            int amount = Math.max(0, callTarget - alreadyInvested);
+
             gameService.call();
-            LOGGER.info("CALL {}", targetBet);
+
+            LOGGER.info("[{}] CALL +{} (total to {})", phase, amount, callTarget);
+            announceLobbyAction("CALL " + amount);
+
         } else {
-            int raiseBy = Math.max(0, targetBet - state.currentBet);
+
+            int raiseBy = Math.max(0, targetBet - callTarget);
+
             gameService.raise(raiseBy);
-            LOGGER.info("RAISE {} (target={})", raiseBy, targetBet);
+
+            LOGGER.info("[{}] RAISE +{} (target={})", phase, raiseBy, targetBet);
+            announceLobbyAction("RAISE +" + raiseBy + " TO " + targetBet);
+        }
+    }
+
+    /** Publishes a simple action label to the lobby chat, if a publisher is configured. */
+    private void announceLobbyAction(String actionLabel) {
+        if (lobbyActionAnnouncer == null || actionLabel == null || actionLabel.isBlank()) {
+            return;
+        }
+        try {
+            lobbyActionAnnouncer.accept(actionLabel.trim());
+        } catch (RuntimeException ex) {
+            LOGGER.warn("Could not publish lobby action '{}': {}", actionLabel, ex.getMessage());
         }
     }
 
@@ -757,8 +1007,15 @@ public class TaskbarController {
         if (text == null || text.trim().isEmpty()) {
             return null;
         }
+
         try {
-            return Integer.parseInt(text.trim());
+            int value = Integer.parseInt(text.trim());
+
+            if (value % SMALL_BLIND != 0) {
+                return null;
+            }
+
+            return value;
         } catch (NumberFormatException e) {
             return null;
         }
@@ -803,21 +1060,44 @@ public class TaskbarController {
      *     triggers a warning, or if it is blocked due to being invalid or too risky.
      */
     private ValidationResult validateTarget(GameState state, Player me, int targetBet) {
+
         if (state == null || me == null) {
             return ValidationResult.blocked("Invalid game state");
         }
 
-        int callTarget = effectiveCallTarget(state);
+        final int callTarget = effectiveCallTarget(state);
-        int raiseTarget = safeDouble(callTarget);
+
-        if (targetBet != callTarget && targetBet != raiseTarget) {
+        final int alreadyInvested = Math.max(0, me.getBet());
-            return ValidationResult.blocked("Only calls or exactly two raises allowed");
+        final int chips = Math.max(0, me.getChips());
+
+        final int required = Math.max(0, targetBet - alreadyInvested);
+
+        final int minRequiredToCall = Math.max(0, callTarget - alreadyInvested);
+
+        if (required < minRequiredToCall) {
+            return ValidationResult.blocked("Bet must match at least the call amount");
         }
 
-        int alreadyInvested = Math.max(0, me.getBet());
+        if (isFirstPlayerOfPhase(state, me)) {
-        int required = Math.max(0, targetBet - alreadyInvested);
+            if (required > FIRST_PLAYER_MAX_BET) {
-        int chips = Math.max(0, me.getChips());
+                return ValidationResult.blocked(
+                        "First player cannot bet more than " + FIRST_PLAYER_MAX_BET);
+            }
+        }
 
-        if (targetBet == callTarget && required == 0) {
+        if (isPreflop(state.phase)) {
+            int maxAllowed = (int) Math.floor(me.getChips() * MAX_CHIP_PERCENT);
+
+            if (required > maxAllowed) {
+                return ValidationResult.blocked(
+                        "Preflop: You can only bet up to 30% of your stack (" + maxAllowed + ")");
+            }
+        }
+
+        if (required == minRequiredToCall) {
+            if (required > chips) {
+                return ValidationResult.blocked("Not enough chips to call");
+            }
             return ValidationResult.ok();
         }
 
@@ -826,16 +1106,19 @@ public class TaskbarController {
         }
 
         if (required > chips) {
-            return ValidationResult.blocked("Not enough chips for the next bet");
+            return ValidationResult.blocked("Not enough chips for this bet");
         }
 
         BetRisk risk = evaluateBetRisk(state, required, chips);
+
         if (risk == BetRisk.BLOCKED) {
-            return ValidationResult.blocked("Assignment for this phase is blocked");
+            return ValidationResult.blocked("Bet too risky for this phase");
         }
+
         if (risk == BetRisk.WARNING) {
             return ValidationResult.warning(warningTextForPhase(state));
         }
+
         return ValidationResult.ok();
     }
 
@@ -980,8 +1263,6 @@ public class TaskbarController {
      * Called while dragging the taskbar with the mouse. Updates the position and slightly scales
      * the taskbar for visual feedback.
      *
-     * <p>TODO: It still needs to be fixed that the taskbar cannot disappear out of the window.
-     *
      * @param event Das Mausereignis
      */
     @FXML
@@ -1099,7 +1380,7 @@ public class TaskbarController {
     /** Called when the Call button is clicked. */
     @FXML
     private void onInputPlayerCall() {
-        submitPresetInputAndProcess("call");
+        submitAction(ActionType.CALL_BUTTON);
     }
 
     /** Called when the Fold button is clicked. */
@@ -1120,6 +1401,7 @@ public class TaskbarController {
 
         gameService.fold();
         LOGGER.info("Player FOLD");
+        announceLobbyAction("FOLD");
 
         refreshGame();
     }
@@ -1233,6 +1515,9 @@ public class TaskbarController {
             GameState refreshed = gameService.refresh();
             if (refreshed != null) {
                 lastState = refreshed;
+                if (refreshed.currentBet > 0 && refreshed.currentBet >= lastReferenceBet) {
+                    lastReferenceBet = refreshed.currentBet;
+                }
                 return refreshed;
             }
         } catch (Exception e) {