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src/app/game/game-config/game-config.service.ts

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+import { Injectable } from '@angular/core';
+
+export interface GameConfig {
+    difficultyId: number,
+  rounds: number;
+  secondsPerRound: number;
+}
+
+@Injectable({
+  providedIn: 'root'
+})
+export class GameConfigService {
+  private config: GameConfig = {
+    difficultyId: 2,
+    rounds: 3,
+    secondsPerRound: 20
+  };
+
+  constructor() {}
+
+  getConfig(): GameConfig {
+    return this.config;
+  }
+
+  setConfig(newConfig: GameConfig): void {
+    this.config = { ...this.config, ...newConfig };
+  }
+
+  setDifficultyLevel(level: 'easy' | 'medium' | 'hard'): void {
+    switch (level) {
+      case 'easy':
+        this.setConfig({ difficultyId: 1, rounds: 3, secondsPerRound: 30 });
+        break;
+      case 'medium':
+        this.setConfig({ difficultyId: 2, rounds: 3, secondsPerRound: 20 });
+        break;
+      case 'hard':
+        this.setConfig({ difficultyId: 3, rounds: 5, secondsPerRound: 15 });
+        break;
+    }
+  }
+}