EnterpriseAuthService.ts

import { SAMLProvider } from '../auth/SAMLProvider';
import { SocialAuth, SocialProvider } from '../auth/SocialAuth';

export class EnterpriseAuthService {
  private socialAuth: SocialAuth;
  private samlProvider?: SAMLProvider;

  constructor() {
    this.socialAuth = new SocialAuth();
    // SAML would be initialized per-tenant in a multi-tenant system
  }

  async initiateSocialLogin(provider: string, state: string): Promise<string> {
    return this.socialAuth.getRedirectUrl(provider as SocialProvider, state);
  }

  async processSocialCallback(provider: string, code: string): Promise<any> {
    const profile = await this.socialAuth.handleCallback(provider as SocialProvider, code);
    // 1. Check if user exists in database
    // 2. If not, create user (JIT Provisioning)
    // 3. Generate JWT for the application
    return profile;
  }

  async initiateSSO(tenantId: string): Promise<string> {
    // 1. Fetch SAML configuration for tenant
    // 2. Initialize SAMLProvider
    // 3. Return redirect URL
    return 'https://idp.enterprise.com/saml/auth';
  }

  async verifyMFA(userId: string, code: string): Promise<boolean> {
    // Implementation for TOTP or WebAuthn verification
    // In production, this would fetch the user's MFA secret from the DB
    const isValid = code === '123456'; // Mock verification
    console.log(`MFA verification for user ${userId}: ${isValid ? 'SUCCESS' : 'FAILED'}`);
    return isValid;
  }

  async setupEnterpriseIntegration(tenantId: string, config: any): Promise<void> {
    // Save SAML/OIDC metadata for a specific enterprise client
    console.log(`Setting up SSO for tenant: ${tenantId}`);
    // logic to persist config to tenant settings
  }

  async revokeSession(sessionId: string): Promise<void> {
    // Implementation to invalidate JWT or session in Redis
    console.log(`Revoking session: ${sessionId}`);
    // await redis.del(`session:${sessionId}`);
  }

  async getAuthAuditLogs(userId: string): Promise<any[]> {
    return []; // Return login history, IP addresses, MFA status
  }
}