Expo Better Auth Passkey Integration

import { createAuthClient } from 'better-auth/react';
import { expoPasskeyClient } from 'expo-better-auth-passkey';
import { Platform } from 'react-native';

// Replace with your actual backend URL where Better Auth server is running
const BASE_URL = process.env.BETTER_AUTH_API_URL || 'https://your-api.mydomain.com';

// Initialize the Better Auth client with the Expo Passkey plugin
export const authClient = createAuthClient({
  baseURL: BASE_URL,
  plugins: [
    expoPasskeyClient(),
    // Add other Better Auth client plugins as needed (e.g., email, session)
  ],
});

async function handlePasskeyOperations() {
  try {
    console.log(`Running on platform: ${Platform.OS}`);

    // Example: Register a new passkey with a descriptive name
    const addPasskeyResult = await authClient.passkey.addPasskey({ name: `My ${Platform.OS} Passkey` });
    console.log('Passkey registered successfully:', addPasskeyResult);

    // Example: Sign in using an existing passkey
    // In a real application, you might first get the user's identifier (e.g., email)
    // before attempting passkey sign-in.
    const signInResult = await authClient.signIn.passkey({ email: 'user@example.com' });
    console.log('Signed in with passkey successfully:', signInResult);
  } catch (error) {
    console.error('Passkey operation failed:', error);
    // Implement robust error handling, e.g., user cancellation, network issues,
    // or specific platform errors related to passkey APIs.
  }
}

// Execute the passkey operations
handlePasskeyOperations();