feat: add bark battle browser prototype

src/games/bark-battle/application/BarkBattleController.ts

@@ -0,0 +1,71 @@
+import { type BarkBattleSession,createBarkBattleSession } from '../domain/BarkBattleSession';
+import type { MicrophoneFailureReason } from '../domain/BarkBattleTypes';
+import { BarkDetector } from '../domain/BarkDetector';
+import type { BarkBattleConfig } from './BarkBattleConfig';
+
+export class BarkBattleController {
+  private session: BarkBattleSession;
+  private detector: BarkDetector;
+  private sampleClockMs = 0;
+
+  constructor(private config: BarkBattleConfig) {
+    this.session = createBarkBattleSession(config);
+    this.detector = this.createDetector();
+  }
+
+  getSnapshot() {
+    return this.session.snapshot;
+  }
+
+  updateConfig(config: BarkBattleConfig) {
+    this.config = config;
+    this.restart();
+  }
+
+  finishNow() {
+    if (this.session.snapshot.phase !== 'playing') {
+      this.session = this.session.startMockRound();
+    }
+    if (this.session.snapshot.phase === 'countdown') {
+      this.session = this.session.tick(this.session.snapshot.countdownMs);
+    }
+    this.session = this.session.tick(this.session.snapshot.remainingMs + 1);
+  }
+
+  startWithMockInput() {
+    this.session = createBarkBattleSession(this.config).startMockRound();
+    this.detector = this.createDetector();
+    this.sampleClockMs = 0;
+  }
+
+  submitMockSample(volume: number) {
+    const events = this.detector.acceptSample({ atMs: this.sampleClockMs, volume });
+    for (const event of events) {
+      this.session = this.session.applyPlayerBark(event);
+    }
+  }
+
+  tick(deltaMs: number) {
+    this.sampleClockMs += deltaMs;
+    this.session = this.session.tick(deltaMs);
+  }
+
+  restart() {
+    this.session = createBarkBattleSession(this.config);
+    this.detector = this.createDetector();
+    this.sampleClockMs = 0;
+  }
+
+  failMicrophone(reason: MicrophoneFailureReason) {
+    this.session = this.session.failMicrophone(reason);
+  }
+
+  private createDetector() {
+    return new BarkDetector({
+      threshold: this.config.barkThreshold,
+      minBarkGapMs: this.config.minBarkGapMs,
+      minBarkDurationMs: this.config.minBarkDurationMs,
+      maxBarkDurationMs: this.config.maxBarkDurationMs,
+    });
+  }
+}