refactor: stricter domain: voice-session

toju-app/src/app/domains/voice-session/infrastructure/util/voice-settings-storage.util.ts

@@ -0,0 +1,99 @@
+import { STORAGE_KEY_VOICE_SETTINGS } from '../../../../core/constants';
+import {
+  DEFAULT_LATENCY_PROFILE,
+  DEFAULT_SCREEN_SHARE_QUALITY,
+  LATENCY_PROFILES,
+  SCREEN_SHARE_QUALITIES,
+  type LatencyProfile,
+  type ScreenShareQuality
+} from '../../../../shared-kernel';
+
+export interface VoiceSettings {
+  inputDevice: string;
+  outputDevice: string;
+  inputVolume: number;
+  outputVolume: number;
+  audioBitrate: number;
+  latencyProfile: LatencyProfile;
+  includeSystemAudio: boolean;
+  noiseReduction: boolean;
+  screenShareQuality: ScreenShareQuality;
+  askScreenShareQuality: boolean;
+}
+
+export const DEFAULT_VOICE_SETTINGS: VoiceSettings = {
+  inputDevice: '',
+  outputDevice: '',
+  inputVolume: 100,
+  outputVolume: 100,
+  audioBitrate: 96,
+  latencyProfile: DEFAULT_LATENCY_PROFILE,
+  includeSystemAudio: false,
+  noiseReduction: true,
+  screenShareQuality: DEFAULT_SCREEN_SHARE_QUALITY,
+  askScreenShareQuality: true
+};
+
+export function loadVoiceSettingsFromStorage(): VoiceSettings {
+  try {
+    const raw = localStorage.getItem(STORAGE_KEY_VOICE_SETTINGS);
+
+    if (!raw)
+      return { ...DEFAULT_VOICE_SETTINGS };
+
+    return normaliseVoiceSettings(JSON.parse(raw) as Partial<VoiceSettings>);
+  } catch {
+    return { ...DEFAULT_VOICE_SETTINGS };
+  }
+}
+
+export function saveVoiceSettingsToStorage(patch: Partial<VoiceSettings>): VoiceSettings {
+  const nextSettings = normaliseVoiceSettings({
+    ...loadVoiceSettingsFromStorage(),
+    ...patch
+  });
+
+  try {
+    localStorage.setItem(STORAGE_KEY_VOICE_SETTINGS, JSON.stringify(nextSettings));
+  } catch {}
+
+  return nextSettings;
+}
+
+function normaliseVoiceSettings(raw: Partial<VoiceSettings>): VoiceSettings {
+  return {
+    inputDevice: typeof raw.inputDevice === 'string' ? raw.inputDevice : DEFAULT_VOICE_SETTINGS.inputDevice,
+    outputDevice: typeof raw.outputDevice === 'string' ? raw.outputDevice : DEFAULT_VOICE_SETTINGS.outputDevice,
+    inputVolume: clampNumber(raw.inputVolume, 0, 100, DEFAULT_VOICE_SETTINGS.inputVolume),
+    outputVolume: clampNumber(raw.outputVolume, 0, 200, DEFAULT_VOICE_SETTINGS.outputVolume),
+    audioBitrate: clampNumber(raw.audioBitrate, 32, 256, DEFAULT_VOICE_SETTINGS.audioBitrate),
+    latencyProfile: LATENCY_PROFILES.includes(raw.latencyProfile as LatencyProfile)
+      ? raw.latencyProfile as LatencyProfile
+      : DEFAULT_VOICE_SETTINGS.latencyProfile,
+    includeSystemAudio: typeof raw.includeSystemAudio === 'boolean'
+      ? raw.includeSystemAudio
+      : DEFAULT_VOICE_SETTINGS.includeSystemAudio,
+    noiseReduction: typeof raw.noiseReduction === 'boolean'
+      ? raw.noiseReduction
+      : DEFAULT_VOICE_SETTINGS.noiseReduction,
+    screenShareQuality: SCREEN_SHARE_QUALITIES.includes(raw.screenShareQuality as ScreenShareQuality)
+      ? raw.screenShareQuality as ScreenShareQuality
+      : DEFAULT_VOICE_SETTINGS.screenShareQuality,
+    askScreenShareQuality: typeof raw.askScreenShareQuality === 'boolean'
+      ? raw.askScreenShareQuality
+      : DEFAULT_VOICE_SETTINGS.askScreenShareQuality
+  };
+}
+
+function clampNumber(
+  value: unknown,
+  min: number,
+  max: number,
+  fallback: number
+): number {
+  if (typeof value !== 'number' || Number.isNaN(value)) {
+    return fallback;
+  }
+
+  return Math.max(min, Math.min(max, value));
+}