feat(game): add blackjack game component and routing

frontend/src/app/app.routes.ts

@@ -16,4 +16,9 @@ export const routes: Routes = [
     loadComponent: () => import('./feature/home/home.component'),
     canActivate: [authGuard],
   },
+  {
+    path: 'game/blackjack',
+    loadComponent: () => import('./feature/game/blackjack/blackjack.component'),
+    canActivate: [authGuard],
+  },
 ];

frontend/src/app/feature/game/blackjack/blackjack.component.html

@@ -0,0 +1,23 @@
+<app-navbar></app-navbar>
+
+<div class="container mx-auto px-4 py-6 space-y-8">
+  <div class="grid grid-cols-1 lg:grid-cols-4 gap-6">
+    <div class="lg:col-span-3 space-y-6 flex flex-col gap-4">
+      <app-dealer-hand [cards]="dealerCards"></app-dealer-hand>
+      <app-player-hand [cards]="playerCards"></app-player-hand>
+      <app-game-controls
+        (onHit)="onHit()"
+        (onStand)="onStand()"
+        (onLeave)="leaveGame()"
+      ></app-game-controls>
+    </div>
+
+    <div class="lg:col-span-1 space-y-6">
+      <app-game-info
+        [balance]="balance()"
+        [currentBet]="currentBet"
+        (onNewGameClick)="onNewGame()"
+      ></app-game-info>
+    </div>
+  </div>
+</div>

frontend/src/app/feature/game/blackjack/blackjack.component.ts

@@ -0,0 +1,63 @@
+import { ChangeDetectionStrategy, Component, inject, signal } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { NavbarComponent } from '../../../shared/components/navbar/navbar.component';
+import { Router } from '@angular/router';
+import { UserService } from '../../../service/user.service';
+import { PlayingCardComponent } from './components/playing-card/playing-card.component';
+import { DealerHandComponent } from './components/dealer-hand/dealer-hand.component';
+import { PlayerHandComponent } from './components/player-hand/player-hand.component';
+import { GameControlsComponent } from './components/game-controls/game-controls.component';
+import { GameInfoComponent } from './components/game-info/game-info.component';
+import { Card } from './models/card.model';
+
+@Component({
+  selector: 'app-blackjack',
+  standalone: true,
+  imports: [
+    CommonModule,
+    NavbarComponent,
+    PlayingCardComponent,
+    DealerHandComponent,
+    PlayerHandComponent,
+    GameControlsComponent,
+    GameInfoComponent,
+  ],
+  templateUrl: './blackjack.component.html',
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export default class BlackjackComponent {
+  private router = inject(Router);
+  private userService = inject(UserService);
+
+  dealerCards: Card[] = [
+    { value: '2', suit: '♥', hidden: false },
+    { value: '3', suit: '♦', hidden: false },
+    { value: 'B', suit: '□', hidden: true },
+  ];
+
+  playerCards: Card[] = [];
+  currentBet = 0;
+  balance = signal(0);
+
+  constructor() {
+    this.userService.getCurrentUser().subscribe((user) => {
+      this.balance.set(user?.balance ?? 0);
+    });
+  }
+
+  onHit(): void {
+    // Implementation for hit action
+  }
+
+  onStand(): void {
+    // Implementation for stand action
+  }
+
+  leaveGame(): void {
+    this.router.navigate(['/home']);
+  }
+
+  onNewGame(): void {
+    // Implementation for new game
+  }
+}

frontend/src/app/feature/game/blackjack/components/dealer-hand/dealer-hand.component.ts

@@ -0,0 +1,29 @@
+import { ChangeDetectionStrategy, Component, Input } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { PlayingCardComponent } from '../playing-card/playing-card.component';
+import { Card } from '../../models/card.model';
+
+@Component({
+  selector: 'app-dealer-hand',
+  standalone: true,
+  imports: [CommonModule, PlayingCardComponent],
+  template: `
+    <div class="space-y-4">
+      <h3 class="section-heading text-2xl mb-4">Croupier's Karten</h3>
+      <div class="card p-6 !bg-red-500">
+        <div class="flex justify-center gap-4 min-h-[160px] p-4 border-2 border-red-400 rounded-lg">
+          <app-playing-card
+            *ngFor="let card of cards"
+            [value]="card.value"
+            [suit]="card.suit"
+            [hidden]="card.hidden"
+          ></app-playing-card>
+        </div>
+      </div>
+    </div>
+  `,
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class DealerHandComponent {
+  @Input() cards: Card[] = [];
+}

frontend/src/app/feature/game/blackjack/components/game-controls/game-controls.component.ts

@@ -0,0 +1,36 @@
+import { ChangeDetectionStrategy, Component, EventEmitter, Output } from '@angular/core';
+import { CommonModule } from '@angular/common';
+
+@Component({
+  selector: 'app-game-controls',
+  standalone: true,
+  imports: [CommonModule],
+  template: `
+    <div class="flex justify-center gap-4">
+      <button
+        (click)="onHit.emit()"
+        class="button-primary px-8 py-4 text-lg font-medium min-w-[120px]"
+      >
+        Ziehen
+      </button>
+      <button
+        (click)="onStand.emit()"
+        class="button-primary px-8 py-4 text-lg font-medium min-w-[120px]"
+      >
+        Halten
+      </button>
+      <button
+        (click)="onLeave.emit()"
+        class="bg-accent-red hover:bg-accent-red/80 px-8 py-4 rounded text-lg font-medium min-w-[120px] transition-all duration-300"
+      >
+        Abbrechen
+      </button>
+    </div>
+  `,
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class GameControlsComponent {
+  @Output() onHit = new EventEmitter<void>();
+  @Output() onStand = new EventEmitter<void>();
+  @Output() onLeave = new EventEmitter<void>();
+}

frontend/src/app/feature/game/blackjack/components/game-info/game-info.component.ts

@@ -0,0 +1,34 @@
+import { ChangeDetectionStrategy, Component, EventEmitter, Input, Output } from '@angular/core';
+import { CommonModule, CurrencyPipe } from '@angular/common';
+
+@Component({
+  selector: 'app-game-info',
+  standalone: true,
+  imports: [CommonModule, CurrencyPipe],
+  template: `
+    <div class="card p-4">
+      <h3 class="section-heading text-xl mb-4">Spiel Informationen</h3>
+      <div class="space-y-4">
+        <div class="flex justify-between items-center">
+          <span class="text-text-secondary">Guthaben:</span>
+          <span class="text-emerald">{{ balance | currency: 'EUR' }}</span>
+        </div>
+        <div class="flex justify-between items-center">
+          <span class="text-text-secondary">Aktuelle Wette:</span>
+          <span [class]="currentBet > 0 ? 'text-accent-red' : 'text-text-secondary'">
+            {{ currentBet | currency: 'EUR' }}
+          </span>
+        </div>
+        <button class="button-primary w-full py-2" (click)="onNewGameClick.emit()">
+          Neues Spiel
+        </button>
+      </div>
+    </div>
+  `,
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class GameInfoComponent {
+  @Input() balance: number = 0;
+  @Input() currentBet: number = 0;
+  @Output() onNewGameClick = new EventEmitter<void>();
+}

frontend/src/app/feature/game/blackjack/components/player-hand/player-hand.component.ts

@@ -0,0 +1,31 @@
+import { ChangeDetectionStrategy, Component, Input } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { PlayingCardComponent } from '../playing-card/playing-card.component';
+import { Card } from '../../models/card.model';
+
+@Component({
+  selector: 'app-player-hand',
+  standalone: true,
+  imports: [CommonModule, PlayingCardComponent],
+  template: `
+    <div class="space-y-4">
+      <h3 class="section-heading text-2xl mb-4">Deine Karten</h3>
+      <div class="card p-6 !bg-green-500">
+        <div
+          class="flex justify-center gap-4 min-h-[160px] p-4 border-2 border-green-400 rounded-lg"
+        >
+          <app-playing-card
+            *ngFor="let card of cards"
+            [value]="card.value"
+            [suit]="card.suit"
+            [hidden]="card.hidden"
+          ></app-playing-card>
+        </div>
+      </div>
+    </div>
+  `,
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class PlayerHandComponent {
+  @Input() cards: Card[] = [];
+}

frontend/src/app/feature/game/blackjack/components/playing-card/playing-card.component.ts

@@ -0,0 +1,30 @@
+import { ChangeDetectionStrategy, Component, Input } from '@angular/core';
+import { CommonModule } from '@angular/common';
+
+@Component({
+  selector: 'app-playing-card',
+  standalone: true,
+  imports: [CommonModule],
+  template: `
+    <div
+      class="w-24 h-36 rounded-lg p-2 relative flex flex-col justify-between shadow-lg"
+      [class]="hidden ? 'bg-red-800' : 'bg-white'"
+    >
+      <span *ngIf="!hidden" class="text-xl font-bold text-accent-red">{{ value }}</span>
+      <span
+        *ngIf="!hidden"
+        class="absolute top-1/2 left-1/2 -translate-x-1/2 -translate-y-1/2 text-3xl text-accent-red"
+        >{{ suit }}</span
+      >
+      <span *ngIf="!hidden" class="text-xl font-bold text-accent-red self-end rotate-180">{{
+        value
+      }}</span>
+    </div>
+  `,
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class PlayingCardComponent {
+  @Input({ required: true }) value!: string;
+  @Input({ required: true }) suit!: string;
+  @Input({ required: true }) hidden!: boolean;
+}

frontend/src/app/feature/game/blackjack/models/card.model.ts

@@ -0,0 +1,5 @@
+export interface Card {
+  value: string;
+  suit: string;
+  hidden: boolean;
+}

frontend/src/app/feature/home/home.component.html

@@ -34,7 +34,9 @@
                   class="absolute bottom-4 left-4 right-4 transform translate-y-4 group-hover:translate-y-0 transition-transform duration-300"
                 >
                   <h4 class="game-heading">{{ game.name }}</h4>
-                  <button class="button-primary w-full py-2">Jetzt Spielen</button>
+                  <button class="button-primary w-full py-2" (click)="navigateToGame(game.route)">
+                    Jetzt Spielen
+                  </button>
                 </div>
               </div>
             </div>
@@ -59,7 +61,9 @@
                   class="absolute bottom-4 left-4 right-4 transform translate-y-4 group-hover:translate-y-0 transition-transform duration-300"
                 >
                   <h4 class="game-heading">{{ game.name }}</h4>
-                  <button class="button-primary w-full py-2">Jetzt Spielen</button>
+                  <button class="button-primary w-full py-2" (click)="navigateToGame(game.route)">
+                    Jetzt Spielen
+                  </button>
                 </div>
               </div>
             </div>

frontend/src/app/feature/home/home.component.ts

@@ -38,31 +38,37 @@ export default class HomeComponent implements OnInit {
       id: '1',
       name: 'Poker',
       image: '/poker.webp',
+      route: '/game/poker',
     },
     {
       id: '2',
       name: 'Blackjack',
       image: '/blackjack.webp',
+      route: '/game/blackjack',
     },
     {
       id: '3',
       name: 'Slots',
       image: '/slots.webp',
+      route: '/game/slots',
     },
     {
       id: '4',
       name: 'Plinko',
       image: '/plinko.webp',
+      route: '/game/plinko',
     },
     {
       id: '5',
       name: 'Liars Dice',
       image: '/liars-dice.webp',
+      route: '/game/liars-dice',
     },
     {
       id: '6',
       name: 'Lootboxen',
       image: '/lootbox.webp',
+      route: '/game/lootbox',
     },
   ];
 
@@ -83,4 +89,8 @@ export default class HomeComponent implements OnInit {
   closeDepositConfirmationModal() {
     this.isDepositSuccessful = false;
   }
+
+  navigateToGame(route: string) {
+    this.router.navigate([route]);
+  }
 }

frontend/src/app/model/Game.ts

@@ -2,4 +2,5 @@ export interface Game {
   id: string;
   name: string;
   image: string;
+  route: string;
 }