Busfahrer bitte letztes mal überarbeitet ich hasse das alles hier bitte erschiest mich

Casino/Busfahrer.xaml

@@ -5,10 +5,13 @@
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:local="clr-namespace:Casino"
         mc:Ignorable="d"
-        Title="Bus Driver" Height="1080" Width="1960"
+        Title="Bus Driver"
+        Height="1080"
+        Width="1960"
         WindowState="Maximized"
         WindowStyle="None"
         Background="#2C3E50">
+
     <Grid>
         <Grid.ColumnDefinitions>
             <ColumnDefinition Width="100"/>
@@ -25,67 +28,267 @@
             <ColumnDefinition Width="280"/>
             <ColumnDefinition Width="100"/>
         </Grid.ColumnDefinitions>
+
         <Grid.RowDefinitions>
             <RowDefinition Height="70"/>
             <RowDefinition Height="270"/>
             <RowDefinition Height="270"/>
-            <!-- Cards row -->
             <RowDefinition Height="270"/>
-            <!-- Buttons row -->
             <RowDefinition Height="200"/>
         </Grid.RowDefinitions>
 
-        <!-- Main Menu Button top left -->
+        <!-- Main Menu -->
-        <Button Grid.Column="0" Grid.Row="0" Content="Main Menu" HorizontalAlignment="Center" VerticalAlignment="Center" Click="Hauptmenue" Width="100" Height="40"/>
+        <Button Grid.Column="0"
+                Grid.Row="0"
+                Content="Main Menu"
+                HorizontalAlignment="Center"
+                VerticalAlignment="Center"
+                Click="Hauptmenue"
+                Width="100"
+                Height="40"/>
 
-        <!-- CARDS (Row 2) -->
+        <!-- Karten -->
         <Image Grid.Column="3" Grid.Row="2" x:Name="Bild_1" Margin="5" Stretch="Uniform"/>
         <Image Grid.Column="5" Grid.Row="2" x:Name="Bild_2" Margin="5" Stretch="Uniform"/>
         <Image Grid.Column="7" Grid.Row="2" x:Name="Bild_3" Margin="5" Stretch="Uniform"/>
         <Image Grid.Column="9" Grid.Row="2" x:Name="Bild_4" Margin="5" Stretch="Uniform"/>
 
-        <!-- BUTTONS BELOW CARDS (Row 3) -->
+        <!-- Frage 1: Rot / Schwarz -->
-        <!-- Round 1: Red / Black -->
+        <StackPanel x:Name="PanelRedBlack"
-        <StackPanel x:Name="PanelRedBlack" Grid.Row="3" Grid.Column="3" Grid.ColumnSpan="7" Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Top" Margin="0,20,0,0">
+                    Grid.Row="3"
-            <Button x:Name="BtnRed" Content="Red" Width="120" Height="50" Margin="10" Background="#E74C3C" Foreground="White" FontSize="18" FontWeight="Bold" Click="BtnRed_Click"/>
+                    Grid.Column="3"
-            <Button x:Name="BtnBlack" Content="Black" Width="120" Height="50" Margin="10" Background="#2C3E50" Foreground="White" FontSize="18" FontWeight="Bold" Click="BtnBlack_Click"/>
+                    Grid.ColumnSpan="7"
+                    Orientation="Horizontal"
+                    HorizontalAlignment="Center"
+                    VerticalAlignment="Top"
+                    Margin="0,20,0,0">
+
+            <Button Content="Red"
+                    Width="120"
+                    Height="50"
+                    Margin="10"
+                    Background="#E74C3C"
+                    Foreground="White"
+                    FontSize="18"
+                    FontWeight="Bold"
+                    Click="ColorButton_Click"
+                    Tag="Red"/>
+
+            <Button Content="Black"
+                    Width="120"
+                    Height="50"
+                    Margin="10"
+                    Background="#2C3E50"
+                    Foreground="White"
+                    FontSize="18"
+                    FontWeight="Bold"
+                    Click="ColorButton_Click"
+                    Tag="Black"/>
         </StackPanel>
 
-        <!-- Round 2: Higher / Lower -->
+        <!-- Frage 2: Höher / Niedriger -->
-        <StackPanel x:Name="PanelHigherLower" Grid.Row="3" Grid.Column="3" Grid.ColumnSpan="7" Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Top" Margin="0,20,0,0" Visibility="Collapsed">
+        <StackPanel x:Name="PanelHigherLower"
-            <Button x:Name="BtnHigher" Content="Higher" Width="120" Height="50" Margin="10" Background="#2ECC71" Foreground="White" FontSize="18" FontWeight="Bold" Click="BtnHigher_Click"/>
+                    Grid.Row="3"
-            <Button x:Name="BtnLower" Content="Lower" Width="120" Height="50" Margin="10" Background="#E67E22" Foreground="White" FontSize="18" FontWeight="Bold" Click="BtnLower_Click"/>
+                    Grid.Column="3"
+                    Grid.ColumnSpan="7"
+                    Orientation="Horizontal"
+                    HorizontalAlignment="Center"
+                    VerticalAlignment="Top"
+                    Margin="0,20,0,0"
+                    Visibility="Collapsed">
+
+            <Button Content="Higher"
+                    Width="120"
+                    Height="50"
+                    Margin="10"
+                    Background="#2ECC71"
+                    Foreground="White"
+                    FontSize="18"
+                    FontWeight="Bold"
+                    Click="HigherLowerButton_Click"
+                    Tag="Higher"/>
+
+            <Button Content="Lower"
+                    Width="120"
+                    Height="50"
+                    Margin="10"
+                    Background="#E67E22"
+                    Foreground="White"
+                    FontSize="18"
+                    FontWeight="Bold"
+                    Click="HigherLowerButton_Click"
+                    Tag="Lower"/>
         </StackPanel>
 
-        <!-- Round 3: Inside / Outside -->
+        <!-- Frage 3: Innen / Außen -->
-        <StackPanel x:Name="PanelInsideOutside" Grid.Row="3" Grid.Column="3" Grid.ColumnSpan="7" Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Top" Margin="0,20,0,0" Visibility="Collapsed">
+        <StackPanel x:Name="PanelInsideOutside"
-            <Button x:Name="BtnInside" Content="Inside" Width="130" Height="50" Margin="10" Background="#9B59B6" Foreground="White" FontSize="18" FontWeight="Bold" Click="BtnInside_Click"/>
+                    Grid.Row="3"
-            <Button x:Name="BtnOutside" Content="Outside" Width="130" Height="50" Margin="10" Background="#3498DB" Foreground="White" FontSize="18" FontWeight="Bold" Click="BtnOutside_Click"/>
+                    Grid.Column="3"
+                    Grid.ColumnSpan="7"
+                    Orientation="Horizontal"
+                    HorizontalAlignment="Center"
+                    VerticalAlignment="Top"
+                    Margin="0,20,0,0"
+                    Visibility="Collapsed">
+
+            <Button Content="Inside"
+                    Width="130"
+                    Height="50"
+                    Margin="10"
+                    Background="#9B59B6"
+                    Foreground="White"
+                    FontSize="18"
+                    FontWeight="Bold"
+                    Click="InsideOutsideButton_Click"
+                    Tag="Inside"/>
+
+            <Button Content="Outside"
+                    Width="130"
+                    Height="50"
+                    Margin="10"
+                    Background="#3498DB"
+                    Foreground="White"
+                    FontSize="18"
+                    FontWeight="Bold"
+                    Click="InsideOutsideButton_Click"
+                    Tag="Outside"/>
         </StackPanel>
 
-        <!-- Round 4: Suit selection -->
+        <!-- Frage 4: Symbol -->
-        <StackPanel x:Name="PanelSuit" Grid.Row="3" Grid.Column="3" Grid.ColumnSpan="7" Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Top" Margin="0,20,0,0" Visibility="Collapsed">
+        <StackPanel x:Name="PanelSuit"
-            <Button x:Name="BtnHearts" Content="♥ Hearts" Width="110" Height="50" Margin="5" Background="#E74C3C" Foreground="White" FontSize="16" FontWeight="Bold" Click="BtnSuit_Click" Tag="Hearts"/>
+                    Grid.Row="3"
-            <Button x:Name="BtnDiamonds" Content="♦ Diamonds" Width="110" Height="50" Margin="5" Background="#E74C3C" Foreground="White" FontSize="16" FontWeight="Bold" Click="BtnSuit_Click" Tag="Diamonds"/>
+                    Grid.Column="3"
-            <Button x:Name="BtnSpades" Content="♠ Spades" Width="110" Height="50" Margin="5" Background="#2C3E50" Foreground="White" FontSize="16" FontWeight="Bold" Click="BtnSuit_Click" Tag="Spades"/>
+                    Grid.ColumnSpan="7"
-            <Button x:Name="BtnClubs" Content="♣ Clubs" Width="110" Height="50" Margin="5" Background="#2C3E50" Foreground="White" FontSize="16" FontWeight="Bold" Click="BtnSuit_Click" Tag="Clubs"/>
+                    Orientation="Horizontal"
+                    HorizontalAlignment="Center"
+                    VerticalAlignment="Top"
+                    Margin="0,20,0,0"
+                    Visibility="Collapsed">
+
+            <Button Content="♥ Hearts"
+                    Width="110"
+                    Height="50"
+                    Margin="5"
+                    Background="#E74C3C"
+                    Foreground="White"
+                    FontSize="16"
+                    FontWeight="Bold"
+                    Click="BtnSuit_Click"
+                    Tag="Hearts"/>
+
+            <Button Content="♦ Diamonds"
+                    Width="110"
+                    Height="50"
+                    Margin="5"
+                    Background="#E74C3C"
+                    Foreground="White"
+                    FontSize="16"
+                    FontWeight="Bold"
+                    Click="BtnSuit_Click"
+                    Tag="Diamonds"/>
+
+            <Button Content="♠ Spades"
+                    Width="110"
+                    Height="50"
+                    Margin="5"
+                    Background="#2C3E50"
+                    Foreground="White"
+                    FontSize="16"
+                    FontWeight="Bold"
+                    Click="BtnSuit_Click"
+                    Tag="Spades"/>
+
+            <Button Content="♣ Clubs"
+                    Width="110"
+                    Height="50"
+                    Margin="5"
+                    Background="#2C3E50"
+                    Foreground="White"
+                    FontSize="16"
+                    FontWeight="Bold"
+                    Click="BtnSuit_Click"
+                    Tag="Clubs"/>
         </StackPanel>
 
-        <!-- Cash Out / Start / Next Buttons -->
+        <!-- Cash Out / Start -->
-        <StackPanel Grid.Row="3" Grid.Column="3" Grid.ColumnSpan="7" Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Bottom" Margin="0,0,0,20">
+        <StackPanel Grid.Row="3"
-            <Button x:Name="BtnCashOut" Content="Cash Out (0.00)" Width="180" Height="50" Margin="10" Background="#27AE60" Foreground="White" FontSize="16" FontWeight="Bold" Click="BtnCashOut_Click" Visibility="Collapsed"/>
+                    Grid.Column="3"
-            <Button x:Name="BtnStart" Content="Start New Game" Width="180" Height="50" Margin="10" Background="#1ABC9C" Foreground="White" FontSize="16" FontWeight="Bold" Click="BtnStart_Click"/>
+                    Grid.ColumnSpan="7"
+                    Orientation="Horizontal"
+                    HorizontalAlignment="Center"
+                    VerticalAlignment="Bottom"
+                    Margin="0,0,0,20">
+
+            <Button x:Name="BtnCashOut"
+                    Content="Cash Out ($0.00)"
+                    Width="180"
+                    Height="50"
+                    Margin="10"
+                    Background="#27AE60"
+                    Foreground="White"
+                    FontSize="16"
+                    FontWeight="Bold"
+                    Click="BtnCashOut_Click"
+                    Visibility="Collapsed"/>
+
+            <Button x:Name="BtnStart"
+                    Content="Start New Game"
+                    Width="180"
+                    Height="50"
+                    Margin="10"
+                    Background="#1ABC9C"
+                    Foreground="White"
+                    FontSize="16"
+                    FontWeight="Bold"
+                    Click="BtnStart_Click"/>
         </StackPanel>
 
-        <!-- Bet Input and Current Win Text Display -->
+        <!-- Einsatz -->
-        <StackPanel Grid.Column="5" Grid.ColumnSpan="3" Grid.Row="4" Orientation="Vertical" HorizontalAlignment="Center" VerticalAlignment="Center">
+        <StackPanel Grid.Column="5"
-            <TextBlock x:Name="Txteinsatztext"  Text="Einsatz" Foreground="White" FontSize="14" HorizontalAlignment="Center" Margin="0,0,0,5"/>
+                    Grid.ColumnSpan="3"
-            <TextBox x:Name="TxtBet" Height="40" Width="192" Background="DimGray" Foreground="White" FontSize="18" TextAlignment="Center" VerticalContentAlignment="Center" PreviewTextInput="TxtBet_PreviewTextInput" PreviewKeyDown="TxtBet_PreviewKeyDown" DataObject.Pasting="TxtBet_Pasting"/>
+                    Grid.Row="4"
+                    Orientation="Vertical"
+                    HorizontalAlignment="Center"
+                    VerticalAlignment="Center">
+
+            <TextBlock x:Name="Txteinsatztext"
+                       Text="Einsatz"
+                       Foreground="White"
+                       FontSize="14"
+                       HorizontalAlignment="Center"
+                       Margin="0,0,0,5"/>
+
+            <TextBox x:Name="TxtBet"
+                     Height="40"
+                     Width="192"
+                     Background="DimGray"
+                     Foreground="White"
+                     FontSize="18"
+                     TextAlignment="Center"
+                     VerticalContentAlignment="Center"
+                     PreviewTextInput="TxtBet_PreviewTextInput"
+                     PreviewKeyDown="TxtBet_PreviewKeyDown"
+                     DataObject.Pasting="TxtBet_Pasting"/>
         </StackPanel>
 
-        <TextBlock Grid.Column="11" Grid.Row="4" Text="Konto" Margin="0,108,0,-8" Foreground="White" FontSize="14" HorizontalAlignment="Center"/>
+        <!-- Konto -->
-        <TextBlock x:Name="Konto" Grid.Column="11" Grid.Row="4" Height="30" Width="100" Margin="90,133,90,37" Background="DarkRed" Foreground="Silver" TextAlignment="Right" FontSize="25"/>
+        <TextBlock Grid.Column="11"
-
+                   Grid.Row="4"
+                   Text="Konto"
+                   Margin="0,108,0,-8"
+                   Foreground="White"
+                   FontSize="14"
+                   HorizontalAlignment="Center"/>
 
+        <TextBlock x:Name="Konto"
+                   Grid.Column="11"
+                   Grid.Row="4"
+                   Height="30"
+                   Width="100"
+                   Margin="90,133,90,37"
+                   Background="DarkRed"
+                   Foreground="Silver"
+                   TextAlignment="Right"
+                   FontSize="25"/>
     </Grid>
 </Window>

Casino/Busfahrer.xaml.cs

@@ -4,6 +4,7 @@ using System.Collections.ObjectModel;
 using System.IO;
 using System.Linq;
 using System.Text.RegularExpressions;
+using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Input;
@@ -22,7 +23,8 @@ namespace Casino
             public ImageSource Image { get; set; } = null!;
             public int NumericValue { get; set; }
 
-            public bool IsRed => FarbeRaw.Equals("Hearts", StringComparison.OrdinalIgnoreCase) ||
+            public bool IsRed =>
+                FarbeRaw.Equals("Hearts", StringComparison.OrdinalIgnoreCase) ||
                 FarbeRaw.Equals("Diamonds", StringComparison.OrdinalIgnoreCase) ||
                 FarbeRaw.Equals("Diamond", StringComparison.OrdinalIgnoreCase) ||
                 FarbeRaw.Equals("Herz", StringComparison.OrdinalIgnoreCase) ||
@@ -34,31 +36,29 @@ namespace Casino
                 WertRaw = wert;
                 FarbeRaw = farbe;
                 NumericValue = ParseValue(wert);
+
                 if (imgBytes != null && imgBytes.Length > 0)
                 {
                     Image = ByteArrayToImage(imgBytes);
                 }
             }
 
-            private int ParseValue(string wert)
+            private static int ParseValue(string wert)
             {
                 return wert.Trim() switch
                 {
-                    "Jack" => 11,
+                    "Jack" or "Bube" => 11,
-                    "Bube" => 11,
+                    "Queen" or "Dame" => 12,
-                    "Queen" => 12,
+                    "King" or "König" => 13,
-                    "Dame" => 12,
+                    "Ace" or "Ass" => 14,
-                    "King" => 13,
+                    _ => int.TryParse(wert, out int value) ? value : 0
-                    "König" => 13,
-                    "Ace" => 14,
-                    "Ass" => 14,
-                    _ => int.TryParse(wert, out int v) ? v : 0
                 };
             }
 
             private static BitmapImage ByteArrayToImage(byte[] bytes)
             {
                 BitmapImage image = new BitmapImage();
+
                 using (MemoryStream ms = new MemoryStream(bytes))
                 {
                     image.BeginInit();
@@ -66,228 +66,430 @@ namespace Casino
                     image.StreamSource = ms;
                     image.EndInit();
                 }
+
                 image.Freeze();
                 return image;
             }
         }
 
-        public enum CardColor { Red, Black }
+        private readonly Database db = new Database();
+        private ObservableCollection<User> users;
 
-        private List<Card> deck = new();
+        private List<Card> deck = new List<Card>();
-        private List<Card> handCards = new();
+        private List<Card> handCards = new List<Card>();
         private ImageSource cardBackImage = null!;
 
         private int currentPhase = 0;
         private decimal currentBet = 0;
         private decimal currentProfit = 0;
+        private bool roundRunning = false;
 
-        private Database db = new Database();
+        private static readonly Regex NumberRegex = new Regex("^[0-9]+$");
-        private ObservableCollection<User> users;
 
         public Busfahrer()
         {
             InitializeComponent();
-            users = db.GetUser();
 
+            users = db.GetUser();
             UpdateAccountDisplay();
 
-            StartNewGame();
+            ShowWaitingState();
         }
 
+        private User CurrentUser => users[MainWindow.currentUser];
+
+        // =========================
+        // KONTO
+        // =========================
+
         private void UpdateAccountDisplay()
         {
-            users = db.GetUser();
+            Konto.Text = CurrentUser.Geld.ToString();
-            Konto.Text = users[MainWindow.currentUser].Geld.ToString();
         }
 
+        private void SaveAccount()
+        {
+            db.UpdateGeld(CurrentUser.ID, CurrentUser.Geld);
+            UpdateAccountDisplay();
+        }
+
+        // =========================
+        // SPIEL STARTEN
+        // =========================
+
         private void BtnStart_Click(object sender, RoutedEventArgs e)
         {
-            StartNewGame();
+            StartGameFromInput();
         }
 
-        private void StartNewGame()
+        private void StartGameFromInput()
         {
+            if (roundRunning)
+            {
+                return;
+            }
 
-            decimal currentgeld = users[MainWindow.currentUser].Geld;
+            if (!int.TryParse(TxtBet.Text, out int bet) || bet <= 0)
+            {
+                MessageBox.Show(
+                    "Bitte gib einen gültigen Einsatz ein.",
+                    "Ungültiger Einsatz",
+                    MessageBoxButton.OK,
+                    MessageBoxImage.Warning);
 
+                return;
+            }
 
-            // 1. Einsatz sofort auf dem Konto abziehen & in der Datenbank speichern
+            if (bet > CurrentUser.Geld)
-            db.UpdateGeld(users[MainWindow.currentUser].ID, currentgeld);
+            {
-            UpdateAccountDisplay();
+                MessageBox.Show(
+                    "Du hast nicht genug Geld für diesen Einsatz.",
+                    "Zu wenig Geld",
+                    MessageBoxButton.OK,
+                    MessageBoxImage.Warning);
+
+                return;
+            }
+
+            currentBet = bet;
+            StartRound();
+        }
+
+        private void StartRound()
+        {
+            if (currentBet <= 0 || currentBet > CurrentUser.Geld)
+            {
+                ShowWaitingState();
+                return;
+            }
+
+            // Einsatz vom Konto abziehen
+            CurrentUser.Geld -= Convert.ToInt32(currentBet);
+            SaveAccount();
 
             currentProfit = 0;
-            UpdateWinDisplay();
+            currentPhase = 0;
+            roundRunning = true;
+            TxtBet.IsEnabled = false;
+
+            LoadCards();
+            UpdateHandUI();
+            UpdateWinDisplay();
+            SetPhaseUI();
+        }
+
+        private void LoadCards()
+        {
+            deck = db.GetAllCards()
+                     .OrderBy(_ => Random.Shared.Next())
+                     .ToList();
 
-            deck = db.GetAllCards();
             byte[] backBytes = db.GetCardBackImage();
 
-            if (backBytes != null)
+            if (backBytes != null && backBytes.Length > 0)
             {
                 cardBackImage = ByteArrayToImage(backBytes);
             }
 
-            Random ran = new Random();
-            deck = deck.OrderBy(_ => ran.Next()).ToList();
-
             handCards.Clear();
-            currentPhase = 0;
 
-            for (int i = 0; i < 4; i++)
+            for (int i = 0; i < 4 && deck.Count > 0; i++)
-            {
-                if (deck.Count > 0)
             {
                 handCards.Add(DrawCard());
             }
         }
 
-            UpdateHandUI();
-            SetPhaseUI();
-        }
-
         private Card DrawCard()
         {
-            var card = deck[0];
+            Card card = deck[0];
             deck.RemoveAt(0);
             return card;
         }
 
+        // =========================
+        // KARTEN ANZEIGEN
+        // =========================
+
         private void UpdateHandUI()
         {
-            Bild_1.Source = (currentPhase > 0) ? handCards[0].Image : cardBackImage;
+            Bild_1.Source = cardBackImage;
-            Bild_2.Source = (currentPhase > 1) ? handCards[1].Image : cardBackImage;
+            Bild_2.Source = cardBackImage;
-            Bild_3.Source = (currentPhase > 2) ? handCards[2].Image : cardBackImage;
+            Bild_3.Source = cardBackImage;
-            Bild_4.Source = (currentPhase > 3) ? handCards[3].Image : cardBackImage;
+            Bild_4.Source = cardBackImage;
+
+            if (handCards.Count < 4)
+            {
+                return;
+            }
+
+            if (currentPhase >= 1)
+            {
+                Bild_1.Source = handCards[0].Image;
+            }
+
+            if (currentPhase >= 2)
+            {
+                Bild_2.Source = handCards[1].Image;
+            }
+
+            if (currentPhase >= 3)
+            {
+                Bild_3.Source = handCards[2].Image;
+            }
+
+            if (currentPhase >= 4)
+            {
+                Bild_4.Source = handCards[3].Image;
+            }
         }
 
         private void RevealCurrentCard()
         {
+            if (handCards.Count < 4)
+            {
+                return;
+            }
+
             switch (currentPhase)
             {
-                case 0: Bild_1.Source = handCards[0].Image; break;
+                case 0:
-                case 1: Bild_2.Source = handCards[1].Image; break;
+                    Bild_1.Source = handCards[0].Image;
-                case 2: Bild_3.Source = handCards[2].Image; break;
+                    break;
-                case 3: Bild_4.Source = handCards[3].Image; break;
+
+                case 1:
+                    Bild_2.Source = handCards[1].Image;
+                    break;
+
+                case 2:
+                    Bild_3.Source = handCards[2].Image;
+                    break;
+
+                case 3:
+                    Bild_4.Source = handCards[3].Image;
+                    break;
             }
         }
 
-        private void ProcessGuess(bool success)
+        // =========================
+        // SPIELLOGIK
+        // =========================
+
+        private async Task ProcessGuessAsync(bool success)
         {
+            if (!roundRunning)
+            {
+                return;
+            }
+
+            RevealCurrentCard();
+
             if (!success)
             {
-                RevealCurrentCard();
+                roundRunning = false;
                 currentProfit = 0;
                 UpdateWinDisplay();
                 SetPhaseUI();
-                StartNewGame();
+
+                await Task.Delay(1000);
+
+                // Nächste Runde mit demselben Einsatz
+                if (currentBet <= CurrentUser.Geld)
+                {
+                    StartRound();
+                }
+                else
+                {
+                    ShowWaitingState();
+                }
+
                 return;
             }
 
             currentPhase++;
-            switch (currentPhase)
+            currentProfit = CalculateCurrentProfit();
-            {
-                case 1: currentProfit = currentBet * 1.75m; break;
-                case 2: currentProfit = currentBet * 2.5m; break;
-                case 3: currentProfit = currentBet * 5.0m; break;
-                case 4: currentProfit = currentBet * 20.0m; break;
-            }
 
-            UpdateWinDisplay();
             UpdateHandUI();
+            UpdateWinDisplay();
             SetPhaseUI();
 
-            // Automatische Auszahlung bei Gewinn von Runde 4
+            // Vierte Frage richtig -> automatisch auszahlen
             if (currentPhase == 4)
             {
-                var currentUser = users[MainWindow.currentUser];
+                roundRunning = false;
-                currentUser.Geld += Convert.ToInt32(currentProfit);
-                db.UpdateGeld(currentUser.ID, currentUser.Geld);
-                UpdateAccountDisplay();
 
-            }
+                PayoutCurrentProfit();
-        }
 
-        private void UpdateWinDisplay()
+                await Task.Delay(1000);
+
+                // Neue Runde automatisch starten
+                if (currentBet <= CurrentUser.Geld)
                 {
-            BtnCashOut.Content = $"Cash Out (${currentProfit:F2})";
+                    StartRound();
+                }
+                else
+                {
+                    ShowWaitingState();
+                }
+            }
         }
 
-        // CASH OUT BUTTON
+        private decimal CalculateCurrentProfit()
+        {
+            return currentPhase switch
+            {
+                1 => currentBet * 1.75m,
+                2 => currentBet * 2.5m,
+                3 => currentBet * 5.0m,
+                4 => currentBet * 20.0m,
+                _ => 0
+            };
+        }
+
+        // =========================
+        // FRAGEN
+        // =========================
+
+        private async void ColorButton_Click(object sender, RoutedEventArgs e)
+        {
+            if (sender is not Button button)
+            {
+                return;
+            }
+
+            CardColor chosenColor =
+                button.Tag?.ToString() == "Red"
+                    ? CardColor.Red
+                    : CardColor.Black;
+
+            Card card = handCards[0];
+
+            bool success =
+                chosenColor == CardColor.Red
+                    ? card.IsRed
+                    : !card.IsRed;
+
+            await ProcessGuessAsync(success);
+        }
+
+        private async void HigherLowerButton_Click(object sender, RoutedEventArgs e)
+        {
+            if (sender is not Button button)
+            {
+                return;
+            }
+
+            bool higher = button.Tag?.ToString() == "Higher";
+
+            Card firstCard = handCards[0];
+            Card secondCard = handCards[1];
+
+            bool success = higher
+                ? secondCard.NumericValue > firstCard.NumericValue
+                : secondCard.NumericValue < firstCard.NumericValue;
+
+            await ProcessGuessAsync(success);
+        }
+
+        private async void InsideOutsideButton_Click(object sender, RoutedEventArgs e)
+        {
+            if (sender is not Button button)
+            {
+                return;
+            }
+
+            bool inside = button.Tag?.ToString() == "Inside";
+
+            int firstValue = handCards[0].NumericValue;
+            int secondValue = handCards[1].NumericValue;
+            int thirdValue = handCards[2].NumericValue;
+
+            int min = Math.Min(firstValue, secondValue);
+            int max = Math.Max(firstValue, secondValue);
+
+            bool isBetween = thirdValue > min && thirdValue < max;
+            bool success = inside ? isBetween : !isBetween;
+
+            await ProcessGuessAsync(success);
+        }
+
+        private async void BtnSuit_Click(object sender, RoutedEventArgs e)
+        {
+            if (sender is not Button button || button.Tag == null)
+            {
+                return;
+            }
+
+            string chosenSuit = button.Tag.ToString()!;
+            Card card = handCards[3];
+
+            bool success = IsSameSuit(card.FarbeRaw, chosenSuit);
+
+            await ProcessGuessAsync(success);
+        }
+
+        private static bool IsSameSuit(string cardSuit, string chosenSuit)
+        {
+            if (cardSuit.Equals(chosenSuit, StringComparison.OrdinalIgnoreCase))
+            {
+                return true;
+            }
+
+            return chosenSuit switch
+            {
+                "Hearts" => cardSuit.Equals("Herz", StringComparison.OrdinalIgnoreCase),
+                "Diamonds" => cardSuit.Equals("Karo", StringComparison.OrdinalIgnoreCase) ||
+                              cardSuit.Equals("Diamond", StringComparison.OrdinalIgnoreCase),
+                "Spades" => cardSuit.Equals("Pik", StringComparison.OrdinalIgnoreCase),
+                "Clubs" => cardSuit.Equals("Kreuz", StringComparison.OrdinalIgnoreCase),
+                _ => false
+            };
+        }
+
+        private enum CardColor
+        {
+            Red,
+            Black
+        }
+
+        // =========================
+        // CASH OUT
+        // =========================
+
         private void BtnCashOut_Click(object sender, RoutedEventArgs e)
         {
-            if (currentProfit > 0)
+            if (!roundRunning || currentProfit <= 0)
             {
-                var currentUser = users[MainWindow.currentUser];
+                return;
-                currentUser.Geld += Convert.ToInt32(currentProfit);
-                db.UpdateGeld(currentUser.ID, currentUser.Geld);
-                UpdateAccountDisplay();
-
-                MessageBox.Show($"Du hast dir ${currentProfit:F2} auszahlen lassen!", "Cash Out", MessageBoxButton.OK, MessageBoxImage.Information);
-
-                currentProfit = 0;
-                UpdateWinDisplay();
-                SetPhaseUI();
-            }
             }
 
-        // RUNDEN BUTTONS
+            roundRunning = false;
-        private void BtnRed_Click(object sender, RoutedEventArgs e) => GuessColor(CardColor.Red);
-        private void BtnBlack_Click(object sender, RoutedEventArgs e) => GuessColor(CardColor.Black);
 
-        private void GuessColor(CardColor chosenColor)
+            decimal payout = currentProfit;
+            PayoutCurrentProfit();
+
+            MessageBox.Show(
+                $"Du hast ${payout:F2} ausgezahlt bekommen!",
+                "Cash Out",
+                MessageBoxButton.OK,
+                MessageBoxImage.Information);
+
+            ShowWaitingState();
+        }
+
+        private void PayoutCurrentProfit()
         {
-            Card targetCard = handCards[0];
+            if (currentProfit <= 0)
-            bool ok = (chosenColor == CardColor.Red && targetCard.IsRed) ||
-                       (chosenColor == CardColor.Black && !targetCard.IsRed);
-            ProcessGuess(ok);
-            var currentUser = users[MainWindow.currentUser];
-            currentBet -= Convert.ToInt32(TxtBet.Text);
-            db.UpdateGeld(currentUser.ID, currentUser.Geld);
-            UpdateAccountDisplay();
-
-        }
-
-        private void BtnHigher_Click(object sender, RoutedEventArgs e) => GuessHigherLower(true);
-        private void BtnLower_Click(object sender, RoutedEventArgs e) => GuessHigherLower(false);
-
-        private void GuessHigherLower(bool higher)
             {
-            Card card1 = handCards[0];
+                return;
-            Card card2 = handCards[1];
-
-            bool ok = higher ? card2.NumericValue > card1.NumericValue : card2.NumericValue < card1.NumericValue;
-            ProcessGuess(ok);
             }
 
-        private void BtnInside_Click(object sender, RoutedEventArgs e) => GuessInside(true);
+            CurrentUser.Geld += Convert.ToInt32(currentProfit);
-        private void BtnOutside_Click(object sender, RoutedEventArgs e) => GuessInside(false);
+            SaveAccount();
-
-        private void GuessInside(bool inside)
-        {
-            Card card3 = handCards[2];
-            int min = Math.Min(handCards[0].NumericValue, handCards[1].NumericValue);
-            int max = Math.Max(handCards[0].NumericValue, handCards[1].NumericValue);
-
-            bool isBetween = card3.NumericValue > min && card3.NumericValue < max;
-            bool ok = inside ? isBetween : !isBetween;
-            ProcessGuess(ok);
         }
 
-        private void BtnSuit_Click(object sender, RoutedEventArgs e)
+        // =========================
-        {
+        // UI
-            if (sender is Button btn && btn.Tag != null)
+        // =========================
-            {
-                string chosenSuit = btn.Tag.ToString()!;
-                Card card4 = handCards[3];
-
-                bool ok = card4.FarbeRaw.Equals(chosenSuit, StringComparison.OrdinalIgnoreCase) ||
-                          (chosenSuit.Equals("Hearts", StringComparison.OrdinalIgnoreCase) && card4.FarbeRaw.Equals("Herz", StringComparison.OrdinalIgnoreCase)) ||
-                          (chosenSuit.Equals("Diamonds", StringComparison.OrdinalIgnoreCase) && (card4.FarbeRaw.Equals("Karo", StringComparison.OrdinalIgnoreCase) || card4.FarbeRaw.Equals("Diamond", StringComparison.OrdinalIgnoreCase))) ||
-                          (chosenSuit.Equals("Spades", StringComparison.OrdinalIgnoreCase) && card4.FarbeRaw.Equals("Pik", StringComparison.OrdinalIgnoreCase)) ||
-                          (chosenSuit.Equals("Clubs", StringComparison.OrdinalIgnoreCase) && card4.FarbeRaw.Equals("Kreuz", StringComparison.OrdinalIgnoreCase));
-
-                ProcessGuess(ok);
-            }
-        }
 
         private void SetPhaseUI()
         {
@@ -296,27 +498,72 @@ namespace Casino
             PanelInsideOutside.Visibility = Visibility.Collapsed;
             PanelSuit.Visibility = Visibility.Collapsed;
 
+            BtnCashOut.Visibility = Visibility.Collapsed;
+            BtnStart.Visibility = Visibility.Collapsed;
 
+            if (!roundRunning)
+            {
+                return;
+            }
 
             switch (currentPhase)
             {
-                case 0: PanelRedBlack.Visibility = Visibility.Visible; break;
+                case 0:
-                case 1: PanelHigherLower.Visibility = Visibility.Visible; BtnCashOut.Visibility = Visibility.Visible;break;
+                    PanelRedBlack.Visibility = Visibility.Visible;
-                case 2: PanelInsideOutside.Visibility = Visibility.Visible; break;
+                    break;
-                case 3: PanelSuit.Visibility = Visibility.Visible; break;
+
+                case 1:
+                    PanelHigherLower.Visibility = Visibility.Visible;
+                    BtnCashOut.Visibility = Visibility.Visible;
+                    break;
+
+                case 2:
+                    PanelInsideOutside.Visibility = Visibility.Visible;
+                    BtnCashOut.Visibility = Visibility.Visible;
+                    break;
+
+                case 3:
+                    PanelSuit.Visibility = Visibility.Visible;
+                    BtnCashOut.Visibility = Visibility.Visible;
+                    break;
             }
         }
 
+        private void ShowWaitingState()
+        {
+            roundRunning = false;
+            currentPhase = 0;
+            currentProfit = 0;
+
+            UpdateWinDisplay();
+            SetPhaseUI();
+
+            BtnStart.Visibility = Visibility.Visible;
+            TxtBet.IsEnabled = true;
+        }
+
+        private void UpdateWinDisplay()
+        {
+            BtnCashOut.Content = $"Cash Out (${currentProfit:F2})";
+        }
+
+        // =========================
+        // HAUPTMENÜ
+        // =========================
+
         private void Hauptmenue(object sender, RoutedEventArgs e)
         {
             Close();
         }
 
+        // =========================
+        // BILD AUS BYTE[]
+        // =========================
+
         private static BitmapImage ByteArrayToImage(byte[] bytes)
         {
-            if (bytes == null || bytes.Length == 0) return null!;
-
             BitmapImage image = new BitmapImage();
+
             using (MemoryStream ms = new MemoryStream(bytes))
             {
                 image.BeginInit();
@@ -324,18 +571,18 @@ namespace Casino
                 image.StreamSource = ms;
                 image.EndInit();
             }
+
             image.Freeze();
             return image;
         }
-        // =======================
-        // NUMBER FIELD VALIDATION
-        // =======================
 
-        private static readonly Regex _regex = new Regex("^[0-9]");
+        // =========================
+        // EINSATZ VALIDIERUNG
+        // =========================
 
         private void TxtBet_PreviewTextInput(object sender, TextCompositionEventArgs e)
         {
-            e.Handled = !_regex.IsMatch(e.Text);
+            e.Handled = !NumberRegex.IsMatch(e.Text);
         }
 
         private void TxtBet_PreviewKeyDown(object sender, KeyEventArgs e)
@@ -344,20 +591,22 @@ namespace Casino
             {
                 e.Handled = true;
             }
-            
         }
 
         private void TxtBet_Pasting(object sender, DataObjectPastingEventArgs e)
         {
-            if (e.DataObject.GetDataPresent(typeof(String)))
+            if (!e.DataObject.GetDataPresent(typeof(string)))
             {
-                var text = (String)e.DataObject.GetData(typeof(String));
+                e.CancelCommand();
-                if (!_regex.IsMatch((string)text))
+                return;
+            }
+
+            string text = (string)e.DataObject.GetData(typeof(string));
+
+            if (!NumberRegex.IsMatch(text))
             {
                 e.CancelCommand();
             }
         }
     }
-        
-    }
 }