Advanced Web Platform Features

namespace Protocol.WebAuthn {
  type AuthenticatorId = string;
  type AuthenticatorProtocol = ('u2f' | 'ctap2');
  type AuthenticatorTransport = ('usb' | 'nfc' | 'ble' | 'cable' | 'internal');
  type Ctap2Version = ('ctap2_0' | 'ctap2_1');

  interface VirtualAuthenticatorOptions {
    protocol: AuthenticatorProtocol;
    ctap2Version?: Ctap2Version;
    transport: AuthenticatorTransport;
    hasResidentKey?: boolean;
    hasUserVerification?: boolean;
    hasLargeBlob?: boolean;
    hasCredBlob?: boolean;
    hasMinPinLength?: boolean;
    hasPrf?: boolean;
    automaticPresenceSimulation?: boolean;
    isUserVerified?: boolean;
    defaultBackupEligibility?: boolean;
    defaultBackupState?: boolean;
  }

  interface Credential {
    credentialId: string;
    isResidentCredential: boolean;
    rpId?: string;
    privateKey: string;
    userHandle?: string;
    signCount: integer;
    largeBlob?: string;
    backupEligibility?: boolean;
    backupState?: boolean;
  }

  interface AddVirtualAuthenticatorRequest {
    options: VirtualAuthenticatorOptions;
  }

  interface AddVirtualAuthenticatorResponse {
    authenticatorId: AuthenticatorId;
  }

  interface RemoveVirtualAuthenticatorRequest {
    authenticatorId: AuthenticatorId;
  }

  interface AddCredentialRequest {
    authenticatorId: AuthenticatorId;
    credential: Credential;
  }

  interface GetCredentialRequest {
    authenticatorId: AuthenticatorId;
    credentialId: string;
  }

  interface GetCredentialResponse {
    credential: Credential;
  }

  interface GetCredentialsRequest {
    authenticatorId: AuthenticatorId;
  }

  interface GetCredentialsResponse {
    credentials: Credential[];
  }

  interface RemoveCredentialRequest {
    authenticatorId: AuthenticatorId;
    credentialId: string;
  }

  interface ClearCredentialsRequest {
    authenticatorId: AuthenticatorId;
  }

  interface SetUserVerifiedRequest {
    authenticatorId: AuthenticatorId;
    isUserVerified: boolean;
  }

  interface SetAutomaticPresenceSimulationRequest {
    authenticatorId: AuthenticatorId;
    enabled: boolean;
  }

  interface CredentialAddedEvent {
    authenticatorId: AuthenticatorId;
    credential: Credential;
  }

  interface CredentialAssertedEvent {
    authenticatorId: AuthenticatorId;
    credential: Credential;
  }
}

import Protocol from "devtools-protocol/types/protocol";

class WebAuthnTester {
  private authenticators: Map<string, Protocol.WebAuthn.AuthenticatorId> = new Map();

  async setupVirtualAuthenticator(name: string, options: Partial<Protocol.WebAuthn.VirtualAuthenticatorOptions> = {}): Promise<Protocol.WebAuthn.AuthenticatorId> {
    const defaultOptions: Protocol.WebAuthn.VirtualAuthenticatorOptions = {
      protocol: 'ctap2',
      ctap2Version: 'ctap2_1',
      transport: 'internal',
      hasResidentKey: true,
      hasUserVerification: true,
      automaticPresenceSimulation: true,
      isUserVerified: true,
      ...options
    };

    const request: Protocol.WebAuthn.AddVirtualAuthenticatorRequest = {
      options: defaultOptions
    };

    // Implementation would send WebAuthn.addVirtualAuthenticator
    const response: Protocol.WebAuthn.AddVirtualAuthenticatorResponse = {
      authenticatorId: `auth_${Date.now()}`
    };

    this.authenticators.set(name, response.authenticatorId);
    return response.authenticatorId;
  }

  async addTestCredential(authenticatorName: string, credential: Partial<Protocol.WebAuthn.Credential>): Promise<void> {
    const authenticatorId = this.authenticators.get(authenticatorName);
    if (!authenticatorId) {
      throw new Error(`Authenticator ${authenticatorName} not found`);
    }

    const fullCredential: Protocol.WebAuthn.Credential = {
      credentialId: credential.credentialId || this.generateCredentialId(),
      isResidentCredential: credential.isResidentCredential ?? true,
      rpId: credential.rpId || 'example.com',
      privateKey: credential.privateKey || this.generatePrivateKey(),
      userHandle: credential.userHandle || this.generateUserHandle(),
      signCount: credential.signCount ?? 0,
      backupEligibility: credential.backupEligibility ?? false,
      backupState: credential.backupState ?? false
    };

    const request: Protocol.WebAuthn.AddCredentialRequest = {
      authenticatorId,
      credential: fullCredential
    };

    // Implementation would send WebAuthn.addCredential
  }

  async testAuthenticationFlow(authenticatorName: string, rpId: string): Promise<AuthenticationTestResult> {
    const authenticatorId = this.authenticators.get(authenticatorName);
    if (!authenticatorId) {
      throw new Error(`Authenticator ${authenticatorName} not found`);
    }

    // Get all credentials for this authenticator
    const credentialsRequest: Protocol.WebAuthn.GetCredentialsRequest = {
      authenticatorId
    };

    // Implementation would get credentials and test authentication
    const result: AuthenticationTestResult = {
      success: true,
      credentialCount: 1,
      authenticatorResponse: "mock_response",
      errors: []
    };

    return result;
  }

  setupWebAuthnListeners(): void {
    this.onCredentialAdded = (event: Protocol.WebAuthn.CredentialAddedEvent) => {
      console.log(`Credential added to authenticator ${event.authenticatorId}:`, event.credential.credentialId);
    };

    this.onCredentialAsserted = (event: Protocol.WebAuthn.CredentialAssertedEvent) => {
      console.log(`Credential asserted on authenticator ${event.authenticatorId}:`, event.credential.credentialId);
    };
  }

  async removeVirtualAuthenticator(name: string): Promise<void> {
    const authenticatorId = this.authenticators.get(name);
    if (!authenticatorId) return;

    const request: Protocol.WebAuthn.RemoveVirtualAuthenticatorRequest = {
      authenticatorId
    };

    // Implementation would send WebAuthn.removeVirtualAuthenticator
    this.authenticators.delete(name);
  }

  private generateCredentialId(): string {
    return btoa(String.fromCharCode(...Array.from(crypto.getRandomValues(new Uint8Array(32)))));
  }

  private generatePrivateKey(): string {
    return btoa(String.fromCharCode(...Array.from(crypto.getRandomValues(new Uint8Array(32)))));
  }

  private generateUserHandle(): string {
    return btoa(String.fromCharCode(...Array.from(crypto.getRandomValues(new Uint8Array(16)))));
  }
}

interface AuthenticationTestResult {
  success: boolean;
  credentialCount: number;
  authenticatorResponse: string;
  errors: string[];
}

namespace Protocol.ServiceWorker {
  type RegistrationID = string;
  type ServiceWorkerVersionRunningStatus = ('stopped' | 'starting' | 'running' | 'stopping');
  type ServiceWorkerVersionStatus = ('new' | 'installing' | 'installed' | 'activating' | 'activated' | 'redundant');

  interface ServiceWorkerRegistration {
    registrationId: RegistrationID;
    scopeURL: string;
    isDeleted: boolean;
  }

  interface ServiceWorkerVersion {
    versionId: string;
    registrationId: RegistrationID;
    scriptURL: string;
    runningStatus: ServiceWorkerVersionRunningStatus;
    status: ServiceWorkerVersionStatus;
    scriptLastModified?: number;
    scriptResponseTime?: number;
    controlledClients?: Target.TargetID[];
    targetId?: Target.TargetID;
    routerRules?: string;
  }

  interface ServiceWorkerErrorMessage {
    errorMessage: string;
    registrationId: RegistrationID;
    versionId: string;
    sourceURL: string;
    lineNumber: integer;
    columnNumber: integer;
  }

  interface GetVersionsResponse {
    versions: ServiceWorkerVersion[];
  }

  interface StartWorkerRequest {
    scopeURL: string;
  }

  interface StopWorkerRequest {
    versionId: string;
  }

  interface InspectWorkerRequest {
    versionId: string;
  }

  interface SetForceUpdateOnPageLoadRequest {
    forceUpdateOnPageLoad: boolean;
  }

  interface DeliverPushMessageRequest {
    origin: string;
    registrationId: RegistrationID;
    data: string;
  }

  interface DispatchSyncEventRequest {
    origin: string;
    registrationId: RegistrationID;
    tag: string;
    lastChance: boolean;
  }

  interface DispatchPeriodicSyncEventRequest {
    origin: string;
    registrationId: RegistrationID;
    tag: string;
  }

  interface SkipWaitingRequest {
    scopeURL: string;
  }

  interface UnregisterRequest {
    scopeURL: string;
  }

  interface UpdateRegistrationRequest {
    scopeURL: string;
  }

  interface WorkerErrorReportedEvent {
    errorMessage: ServiceWorkerErrorMessage;
  }

  interface WorkerRegistrationUpdatedEvent {
    registrations: ServiceWorkerRegistration[];
  }

  interface WorkerVersionUpdatedEvent {
    versions: ServiceWorkerVersion[];
  }
}

import Protocol from "devtools-protocol/types/protocol";

class ServiceWorkerTester {
  private registrations: Map<string, Protocol.ServiceWorker.ServiceWorkerRegistration> = new Map();
  private versions: Map<string, Protocol.ServiceWorker.ServiceWorkerVersion> = new Map();

  async getAllServiceWorkers(): Promise<ServiceWorkerAnalysis> {
    // Get all service worker versions
    const versionsResponse = await this.getVersions();
    
    const analysis: ServiceWorkerAnalysis = {
      totalRegistrations: 0,
      totalVersions: versionsResponse.versions.length,
      activeWorkers: [],
      inactiveWorkers: [],
      erroredWorkers: []
    };

    versionsResponse.versions.forEach(version => {
      this.versions.set(version.versionId, version);
      
      if (version.runningStatus === 'running' && version.status === 'activated') {
        analysis.activeWorkers.push(version);
      } else if (version.status === 'redundant') {
        analysis.inactiveWorkers.push(version);
      }
    });

    // Group by registrations
    const registrationMap = new Map<string, Protocol.ServiceWorker.ServiceWorkerVersion[]>();
    versionsResponse.versions.forEach(version => {
      if (!registrationMap.has(version.registrationId)) {
        registrationMap.set(version.registrationId, []);
      }
      registrationMap.get(version.registrationId)!.push(version);
    });

    analysis.totalRegistrations = registrationMap.size;

    return analysis;
  }

  private async getVersions(): Promise<Protocol.ServiceWorker.GetVersionsResponse> {
    // Implementation would send ServiceWorker.getVersions
    return {
      versions: [
        {
          versionId: "version_1",
          registrationId: "reg_1",
          scriptURL: "https://example.com/sw.js",
          runningStatus: 'running',
          status: 'activated',
          controlledClients: ["client_1", "client_2"]
        }
      ]
    };
  }

  async testServiceWorkerLifecycle(scopeURL: string): Promise<LifecycleTestResult> {
    const result: LifecycleTestResult = {
      registrationSucceeded: false,
      installationSucceeded: false,
      activationSucceeded: false,
      errors: []
    };

    try {
      // Start the worker
      const startRequest: Protocol.ServiceWorker.StartWorkerRequest = { scopeURL };
      // Implementation would send ServiceWorker.startWorker
      result.registrationSucceeded = true;

      // Wait for installation and activation events
      await this.waitForWorkerStates(scopeURL, ['installed', 'activated']);
      result.installationSucceeded = true;
      result.activationSucceeded = true;

    } catch (error) {
      result.errors.push(error.message);
    }

    return result;
  }

  async testPushMessage(origin: string, registrationId: string, data: any): Promise<PushTestResult> {
    const request: Protocol.ServiceWorker.DeliverPushMessageRequest = {
      origin,
      registrationId,
      data: JSON.stringify(data)
    };

    try {
      // Implementation would send ServiceWorker.deliverPushMessage
      return {
        success: true,
        delivered: true,
        response: "Push message delivered successfully"
      };
    } catch (error) {
      return {
        success: false,
        delivered: false,
        error: error.message
      };
    }
  }

  async testSyncEvent(origin: string, registrationId: string, tag: string): Promise<SyncTestResult> {
    const request: Protocol.ServiceWorker.DispatchSyncEventRequest = {
      origin,
      registrationId,
      tag,
      lastChance: false
    };

    try {
      // Implementation would send ServiceWorker.dispatchSyncEvent
      return {
        success: true,
        executed: true,
        tag
      };
    } catch (error) {
      return {
        success: false,
        executed: false,
        tag,
        error: error.message
      };
    }
  }

  async updateServiceWorker(scopeURL: string): Promise<void> {
    const request: Protocol.ServiceWorker.UpdateRegistrationRequest = { scopeURL };
    // Implementation would send ServiceWorker.updateRegistration
  }

  async unregisterServiceWorker(scopeURL: string): Promise<void> {
    const request: Protocol.ServiceWorker.UnregisterRequest = { scopeURL };
    // Implementation would send ServiceWorker.unregister
  }

  setupServiceWorkerListeners(): void {
    this.onWorkerErrorReported = (event: Protocol.ServiceWorker.WorkerErrorReportedEvent) => {
      console.error(`Service Worker error in ${event.errorMessage.sourceURL}:${event.errorMessage.lineNumber}: ${event.errorMessage.errorMessage}`);
    };

    this.onWorkerRegistrationUpdated = (event: Protocol.ServiceWorker.WorkerRegistrationUpdatedEvent) => {
      console.log(`Service Worker registrations updated: ${event.registrations.length} registrations`);
      event.registrations.forEach(reg => {
        this.registrations.set(reg.scopeURL, reg);
      });
    };

    this.onWorkerVersionUpdated = (event: Protocol.ServiceWorker.WorkerVersionUpdatedEvent) => {
      console.log(`Service Worker versions updated: ${event.versions.length} versions`);
      event.versions.forEach(version => {
        this.versions.set(version.versionId, version);
      });
    };
  }

  private async waitForWorkerStates(scopeURL: string, targetStates: Protocol.ServiceWorker.ServiceWorkerVersionStatus[]): Promise<void> {
    // Implementation would wait for specific worker states
    return new Promise((resolve, reject) => {
      const timeout = setTimeout(() => {
        reject(new Error(`Timeout waiting for worker states: ${targetStates.join(', ')}`));
      }, 10000);

      // Monitor version updates and resolve when target states are reached
      const checkStates = () => {
        const relevantVersions = Array.from(this.versions.values())
          .filter(v => v.scriptURL.includes(scopeURL));
        
        const hasTargetStates = targetStates.every(state => 
          relevantVersions.some(v => v.status === state)
        );

        if (hasTargetStates) {
          clearTimeout(timeout);
          resolve();
        }
      };

      // In a real implementation, this would listen to worker events
      setTimeout(checkStates, 1000);
    });
  }
}

interface ServiceWorkerAnalysis {
  totalRegistrations: number;
  totalVersions: number;
  activeWorkers: Protocol.ServiceWorker.ServiceWorkerVersion[];
  inactiveWorkers: Protocol.ServiceWorker.ServiceWorkerVersion[];
  erroredWorkers: Protocol.ServiceWorker.ServiceWorkerVersion[];
}

interface LifecycleTestResult {
  registrationSucceeded: boolean;
  installationSucceeded: boolean;
  activationSucceeded: boolean;
  errors: string[];
}

interface PushTestResult {
  success: boolean;
  delivered: boolean;
  response?: string;
  error?: string;
}

interface SyncTestResult {
  success: boolean;
  executed: boolean;
  tag: string;
  error?: string;
}

namespace Protocol.PWA {
  interface FileHandler {
    action: string;
    accepts: FileHandlerAccept[];
  }

  interface FileHandlerAccept {
    mediaType: string;
    fileExtensions: string[];
  }

  interface DisplayMode = ('fullscreen' | 'standalone' | 'minimal-ui' | 'browser');

  interface GetOsAppStateRequest {
    manifestId: string;
  }

  interface GetOsAppStateResponse {
    badgeCount: integer;
    fileHandlers: FileHandler[];
  }

  interface InstallRequest {
    manifestId: string;
    installUrlOrBundleUrl?: string;
  }

  interface UninstallRequest {
    manifestId: string;
  }

  interface LaunchFilesInAppRequest {
    manifestId: string;
    files: string[];
  }

  interface OpenCurrentPageInAppRequest {
    manifestId: string;
  }

  interface ChangeAppUserSettingsRequest {
    manifestId: string;
    linkCapturing?: boolean;
    displayMode?: DisplayMode;
  }
}

namespace Protocol.Media {
  type PlayerId = string;
  type Timestamp = number;

  interface PlayerMessage {
    level: ('error' | 'warning' | 'info' | 'debug');
    message: string;
  }

  interface PlayerProperty {
    name: string;
    value: string;
  }

  interface PlayerEvent {
    timestamp: Timestamp;
    value: string;
  }

  interface PlayerErrorSourceLocation {
    file: string;
    line: integer;
  }

  interface PlayerError {
    errorType: string;
    code: integer;
    stack: PlayerErrorSourceLocation[];
    cause: PlayerError[];
    data: Record<string, any>;
  }

  interface PlayersCreatedEvent {
    players: PlayerId[];
  }

  interface PlayerPropertiesChangedEvent {
    playerId: PlayerId;
    properties: PlayerProperty[];
  }

  interface PlayerEventsAddedEvent {
    playerId: PlayerId;
    events: PlayerEvent[];
  }

  interface PlayerMessagesLoggedEvent {
    playerId: PlayerId;
    messages: PlayerMessage[];
  }

  interface PlayerErrorsRaisedEvent {
    playerId: PlayerId;
    errors: PlayerError[];
  }
}

namespace Protocol.WebAudio {
  type GraphObjectId = string;
  type ContextType = ('realtime' | 'offline');
  type ContextState = ('suspended' | 'running' | 'closed');
  type NodeType = string;
  type ChannelCountMode = ('max' | 'clamped-max' | 'explicit');
  type ChannelInterpretation = ('speakers' | 'discrete');

  interface BaseAudioContext {
    contextId: GraphObjectId;
    contextType: ContextType;
    contextState: ContextState;
    realtimeData?: ContextRealtimeData;
    callbackBufferSize?: number;
    maxOutputChannelCount?: number;
    sampleRate?: number;
  }

  interface AudioListener {
    listenerId: GraphObjectId;
    contextId: GraphObjectId;
  }

  interface AudioNode {
    nodeId: GraphObjectId;
    contextId: GraphObjectId;
    nodeType: NodeType;
    numberOfInputs: number;
    numberOfOutputs: number;
    channelCount?: number;
    channelCountMode?: ChannelCountMode;
    channelInterpretation?: ChannelInterpretation;
  }

  interface AudioParam {
    paramId: GraphObjectId;
    nodeId: GraphObjectId;
    contextId: GraphObjectId;
    paramType: string;
    rate: ('a-rate' | 'k-rate');
    defaultValue: number;
    minValue: number;
    maxValue: number;
  }

  interface ContextRealtimeData {
    currentTime: number;
    renderCapacity: number;
    callbackIntervalMean: number;
    callbackIntervalVariance: number;
  }

  interface GetRealtimeDataRequest {
    contextId: GraphObjectId;
  }

  interface GetRealtimeDataResponse {
    realtimeData: ContextRealtimeData;
  }

  interface ContextCreatedEvent {
    context: BaseAudioContext;
  }

  interface ContextWillBeDestroyedEvent {
    contextId: GraphObjectId;
  }

  interface ContextChangedEvent {
    context: BaseAudioContext;
  }

  interface AudioListenerCreatedEvent {
    listener: AudioListener;
  }

  interface AudioListenerWillBeDestroyedEvent {
    contextId: GraphObjectId;
    listenerId: GraphObjectId;
  }

  interface AudioNodeCreatedEvent {
    node: AudioNode;
  }

  interface AudioNodeWillBeDestroyedEvent {
    contextId: GraphObjectId;
    nodeId: GraphObjectId;
  }

  interface AudioParamCreatedEvent {
    param: AudioParam;
  }

  interface AudioParamWillBeDestroyedEvent {
    contextId: GraphObjectId;
    nodeId: GraphObjectId;
    paramId: GraphObjectId;
  }

  interface NodesConnectedEvent {
    contextId: GraphObjectId;
    sourceId: GraphObjectId;
    destinationId: GraphObjectId;
    sourceOutputIndex?: number;
    destinationInputIndex?: number;
  }

  interface NodesDisconnectedEvent {
    contextId: GraphObjectId;
    sourceId: GraphObjectId;
    destinationId: GraphObjectId;
    sourceOutputIndex?: number;
    destinationInputIndex?: number;
  }

  interface NodeParamConnectedEvent {
    contextId: GraphObjectId;
    sourceId: GraphObjectId;
    destinationId: GraphObjectId;
    sourceOutputIndex?: number;
  }

  interface NodeParamDisconnectedEvent {
    contextId: GraphObjectId;
    sourceId: GraphObjectId;
    destinationId: GraphObjectId;
    sourceOutputIndex?: number;
  }
}

import Protocol from "devtools-protocol/types/protocol";

class PWATester {
  private webAuthnTester: WebAuthnTester;
  private serviceWorkerTester: ServiceWorkerTester;

  constructor() {
    this.webAuthnTester = new WebAuthnTester();
    this.serviceWorkerTester = new ServiceWorkerTester();
  }

  async performCompletePWATest(manifestId: string, origin: string): Promise<PWATestResults> {
    const results: PWATestResults = {
      manifestId,
      origin,
      serviceWorkerTest: null,
      webAuthnTest: null,
      offlineTest: null,
      installabilityTest: null,
      pushNotificationTest: null,
      overallScore: 0,
      recommendations: []
    };

    try {
      // Test Service Worker functionality
      results.serviceWorkerTest = await this.testServiceWorkerFeatures(origin);
      
      // Test WebAuthn if available
      results.webAuthnTest = await this.testWebAuthnFeatures();
      
      // Test offline functionality
      results.offlineTest = await this.testOfflineFunctionality(origin);
      
      // Test PWA installability
      results.installabilityTest = await this.testInstallability(manifestId);
      
      // Test push notifications
      results.pushNotificationTest = await this.testPushNotifications(origin);
      
      results.overallScore = this.calculateOverallScore(results);
      results.recommendations = this.generateRecommendations(results);
      
    } catch (error) {
      console.error("PWA testing failed:", error);
      results.recommendations.push("PWA testing encountered errors - check console for details");
    }

    return results;
  }

  private async testServiceWorkerFeatures(origin: string): Promise<ServiceWorkerTestResults> {
    const analysis = await this.serviceWorkerTester.getAllServiceWorkers();
    
    // Test service worker lifecycle
    const lifecycleResults = await this.serviceWorkerTester.testServiceWorkerLifecycle(`${origin}/sw.js`);
    
    return {
      hasServiceWorker: analysis.activeWorkers.length > 0,
      isActive: analysis.activeWorkers.length > 0,
      lifecycleTest: lifecycleResults,
      controlledClients: analysis.activeWorkers.reduce((sum, sw) => sum + (sw.controlledClients?.length || 0), 0)
    };
  }

  private async testWebAuthnFeatures(): Promise<WebAuthnTestResults> {
    try {
      // Setup virtual authenticator for testing
      const authenticatorId = await this.webAuthnTester.setupVirtualAuthenticator('test-auth', {
        protocol: 'ctap2',
        transport: 'internal',
        hasUserVerification: true
      });
      
      // Add test credential
      await this.webAuthnTester.addTestCredential('test-auth', {
        rpId: 'example.com',
        isResidentCredential: true
      });
      
      // Test authentication flow
      const authResult = await this.webAuthnTester.testAuthenticationFlow('test-auth', 'example.com');
      
      // Cleanup
      await this.webAuthnTester.removeVirtualAuthenticator('test-auth');
      
      return {
        supported: true,
        authenticationWorking: authResult.success,
        credentialCount: authResult.credentialCount,
        errors: authResult.errors
      };
    } catch (error) {
      return {
        supported: false,
        authenticationWorking: false,
        credentialCount: 0,
        errors: [error.message]
      };
    }
  }

  private async testOfflineFunctionality(origin: string): Promise<OfflineTestResults> {
    // This would involve testing cache strategies and offline page functionality
    return {
      cacheStrategyWorks: true,
      offlinePageExists: true,
      criticalResourcesCached: true,
      offlineNavigation: true
    };
  }

  private async testInstallability(manifestId: string): Promise<InstallabilityTestResults> {
    try {
      // Get PWA state
      const stateRequest: Protocol.PWA.GetOsAppStateRequest = { manifestId };
      // Implementation would check PWA state
      
      return {
        isInstallable: true,
        hasValidManifest: true,
        hasServiceWorker: true,
        httpsRequired: true,
        meets256IconRequirement: true
      };
    } catch (error) {
      return {
        isInstallable: false,
        hasValidManifest: false,
        hasServiceWorker: false,
        httpsRequired: false,
        meets256IconRequirement: false,
        error: error.message
      };
    }
  }

  private async testPushNotifications(origin: string): Promise<PushTestResults> {
    const serviceWorkers = await this.serviceWorkerTester.getAllServiceWorkers();
    
    if (serviceWorkers.activeWorkers.length === 0) {
      return {
        supported: false,
        subscriptionWorks: false,
        messageDelivery: false,
        error: "No active service worker found"
      };
    }
    
    const activeWorker = serviceWorkers.activeWorkers[0];
    
    try {
      const pushResult = await this.serviceWorkerTester.testPushMessage(
        origin,
        activeWorker.registrationId,
        { title: "Test Push", body: "This is a test push notification" }
      );
      
      return {
        supported: true,
        subscriptionWorks: true,
        messageDelivery: pushResult.success,
        error: pushResult.error
      };
    } catch (error) {
      return {
        supported: false,
        subscriptionWorks: false,
        messageDelivery: false,
        error: error.message
      };
    }
  }

  private calculateOverallScore(results: PWATestResults): number {
    let score = 0;
    let maxScore = 0;

    // Service Worker (20 points)
    maxScore += 20;
    if (results.serviceWorkerTest?.hasServiceWorker) score += 20;

    // WebAuthn (10 points)
    maxScore += 10;
    if (results.webAuthnTest?.supported) score += 10;

    // Offline functionality (25 points)
    maxScore += 25;
    if (results.offlineTest?.cacheStrategyWorks) score += 10;
    if (results.offlineTest?.offlinePageExists) score += 10;
    if (results.offlineTest?.criticalResourcesCached) score += 5;

    // Installability (25 points)
    maxScore += 25;
    if (results.installabilityTest?.isInstallable) score += 25;

    // Push notifications (20 points)
    maxScore += 20;
    if (results.pushNotificationTest?.messageDelivery) score += 20;

    return Math.round((score / maxScore) * 100);
  }

  private generateRecommendations(results: PWATestResults): string[] {
    const recommendations: string[] = [];

    if (!results.serviceWorkerTest?.hasServiceWorker) {
      recommendations.push("Add a Service Worker to enable offline functionality and push notifications");
    }

    if (!results.webAuthnTest?.supported) {
      recommendations.push("Consider implementing WebAuthn for passwordless authentication");
    }

    if (!results.offlineTest?.offlinePageExists) {
      recommendations.push("Create an offline page to improve user experience when network is unavailable");
    }

    if (!results.installabilityTest?.isInstallable) {
      recommendations.push("Ensure your PWA meets installability requirements");
    }

    if (!results.pushNotificationTest?.supported) {
      recommendations.push("Implement push notifications to re-engage users");
    }

    return recommendations;
  }
}

interface PWATestResults {
  manifestId: string;
  origin: string;
  serviceWorkerTest: ServiceWorkerTestResults | null;
  webAuthnTest: WebAuthnTestResults | null;
  offlineTest: OfflineTestResults | null;
  installabilityTest: InstallabilityTestResults | null;
  pushNotificationTest: PushTestResults | null;
  overallScore: number;
  recommendations: string[];
}

interface ServiceWorkerTestResults {
  hasServiceWorker: boolean;
  isActive: boolean;
  lifecycleTest: LifecycleTestResult;
  controlledClients: number;
}

interface WebAuthnTestResults {
  supported: boolean;
  authenticationWorking: boolean;
  credentialCount: number;
  errors: string[];
}

interface OfflineTestResults {
  cacheStrategyWorks: boolean;
  offlinePageExists: boolean;
  criticalResourcesCached: boolean;
  offlineNavigation: boolean;
}

interface InstallabilityTestResults {
  isInstallable: boolean;
  hasValidManifest: boolean;
  hasServiceWorker: boolean;
  httpsRequired: boolean;
  meets256IconRequirement: boolean;
  error?: string;
}

interface PushTestResults {
  supported: boolean;
  subscriptionWorks: boolean;
  messageDelivery: boolean;
  error?: string;
}

import Protocol from "devtools-protocol/types/protocol";

class WebAudioAnalyzer {
  private contexts: Map<string, Protocol.WebAudio.BaseAudioContext> = new Map();
  private nodes: Map<string, Protocol.WebAudio.AudioNode> = new Map();
  private connections: Array<{ source: string; destination: string }> = [];

  setupWebAudioListeners(): void {
    this.onContextCreated = (event: Protocol.WebAudio.ContextCreatedEvent) => {
      console.log(`Audio context created: ${event.context.contextId} (${event.context.contextType})`);
      this.contexts.set(event.context.contextId, event.context);
    };

    this.onAudioNodeCreated = (event: Protocol.WebAudio.AudioNodeCreatedEvent) => {
      console.log(`Audio node created: ${event.node.nodeType} (${event.node.nodeId})`);
      this.nodes.set(event.node.nodeId, event.node);
    };

    this.onNodesConnected = (event: Protocol.WebAudio.NodesConnectedEvent) => {
      console.log(`Nodes connected: ${event.sourceId} -> ${event.destinationId}`);
      this.connections.push({ source: event.sourceId, destination: event.destinationId });
    };
  }

  async analyzeAudioGraph(): Promise<AudioGraphAnalysis> {
    const analysis: AudioGraphAnalysis = {
      contexts: Array.from(this.contexts.values()),
      nodes: Array.from(this.nodes.values()),
      connections: this.connections,
      performance: []
    };

    // Analyze performance for realtime contexts
    for (const context of analysis.contexts) {
      if (context.contextType === 'realtime') {
        const performanceData = await this.getRealtimeData(context.contextId);
        analysis.performance.push(performanceData);
      }
    }

    return analysis;
  }

  private async getRealtimeData(contextId: string): Promise<Protocol.WebAudio.ContextRealtimeData> {
    const request: Protocol.WebAudio.GetRealtimeDataRequest = { contextId };
    
    // Implementation would send WebAudio.getRealtimeData
    return {
      currentTime: 10.5,
      renderCapacity: 0.15,
      callbackIntervalMean: 0.0023,
      callbackIntervalVariance: 0.0001
    };
  }

  generateAudioGraphVisualization(): AudioGraphVisualization {
    const nodesByContext = new Map<string, Protocol.WebAudio.AudioNode[]>();
    
    // Group nodes by context
    for (const node of this.nodes.values()) {
      if (!nodesByContext.has(node.contextId)) {
        nodesByContext.set(node.contextId, []);
      }
      nodesByContext.get(node.contextId)!.push(node);
    }

    const visualization: AudioGraphVisualization = {
      contexts: [],
      issues: []
    };

    // Create visualization for each context
    for (const [contextId, nodes] of nodesByContext.entries()) {
      const context = this.contexts.get(contextId);
      if (!context) continue;

      const contextViz: ContextVisualization = {
        contextId,
        contextType: context.contextType,
        nodes: nodes.map(node => ({
          id: node.nodeId,
          type: node.nodeType,
          inputs: node.numberOfInputs,
          outputs: node.numberOfOutputs
        })),
        connections: this.connections.filter(conn => 
          nodes.some(n => n.nodeId === conn.source) && 
          nodes.some(n => n.nodeId === conn.destination)
        )
      };

      visualization.contexts.push(contextViz);

      // Check for potential issues
      if (nodes.length > 50) {
        visualization.issues.push(`Context ${contextId} has ${nodes.length} nodes - consider optimization`);
      }
    }

    return visualization;
  }
}

interface AudioGraphAnalysis {
  contexts: Protocol.WebAudio.BaseAudioContext[];
  nodes: Protocol.WebAudio.AudioNode[];
  connections: Array<{ source: string; destination: string }>;
  performance: Protocol.WebAudio.ContextRealtimeData[];
}

interface AudioGraphVisualization {
  contexts: ContextVisualization[];
  issues: string[];
}

interface ContextVisualization {
  contextId: string;
  contextType: Protocol.WebAudio.ContextType;
  nodes: Array<{
    id: string;
    type: string;
    inputs: number;
    outputs: number;
  }>;
  connections: Array<{ source: string; destination: string }>;
}