130 lines
3.6 KiB
TypeScript

import React, { useState, useEffect } from 'react';
import { StyleSheet, Alert, Platform } from 'react-native';
import * as AppleAuthentication from 'expo-apple-authentication';
import { supabase } from '@/lib/supabase';
import { useColorScheme } from '@/hooks/useColorScheme';
type AppleSignInProps = {
onSignInStart?: () => void;
onSignInComplete?: () => void;
onSignInError?: (error: any) => void;
};
const AppleSignIn: React.FC<AppleSignInProps> = ({
onSignInStart,
onSignInComplete,
onSignInError,
}) => {
const scheme = useColorScheme() ?? 'dark';
const [isAppleAuthAvailable, setIsAppleAuthAvailable] = useState(false);
useEffect(() => {
if (Platform.OS === 'ios') {
AppleAuthentication.isAvailableAsync().then(setIsAppleAuthAvailable);
}
}, []);
const handleAppleSignIn = async () => {
try {
onSignInStart?.();
// Get credentials from Apple
const credential = await AppleAuthentication.signInAsync({
requestedScopes: [
AppleAuthentication.AppleAuthenticationScope.FULL_NAME,
AppleAuthentication.AppleAuthenticationScope.EMAIL,
],
});
if (!credential.email) {
throw new Error('Email is required for Apple Sign In');
}
// Extract user information
const { email, fullName, user: appleUserId } = credential;
// Create a name from the fullName object if available
let name = null;
if (fullName?.givenName || fullName?.familyName) {
name = `${fullName?.givenName || ''} ${fullName?.familyName || ''}`.trim();
}
// Create a deterministic password based on the Apple user ID
// This way the user can sign in again with the same password
const password = `Apple-${appleUserId.substring(0, 16)}`;
// First try to sign in (in case the user already exists)
const { data: signInData, error: signInError } = await supabase.auth.signInWithPassword({
email,
password,
});
if (!signInError && signInData?.user) {
// User exists and signed in successfully
onSignInComplete?.();
return;
}
// If sign-in failed, create a new user
const { data: signUpData, error: signUpError } = await supabase.auth.signUp({
email,
password,
options: {
data: {
full_name: name,
}
}
});
if (signUpError) {
throw signUpError;
}
// User created successfully
onSignInComplete?.();
} catch (error) {
console.error('Apple sign in error:', error);
if (error.code === 'ERR_REQUEST_CANCELED') {
console.log('Sign in was canceled');
} else {
Alert.alert(
'Sign in error',
'An error occurred while signing in with Apple. Please try again.'
);
onSignInError?.(error);
}
}
};
// Only render on iOS and if Apple Authentication is available
if (Platform.OS !== 'ios' || !isAppleAuthAvailable) {
return null;
}
return (
<AppleAuthentication.AppleAuthenticationButton
buttonType={AppleAuthentication.AppleAuthenticationButtonType.SIGN_IN}
buttonStyle={
scheme === 'light'
? AppleAuthentication.AppleAuthenticationButtonStyle.BLACK
: AppleAuthentication.AppleAuthenticationButtonStyle.WHITE
}
cornerRadius={10}
style={styles.button}
onPress={handleAppleSignIn}
/>
);
};
const styles = StyleSheet.create({
button: {
width: 320,
height: 50,
marginVertical: 10,
},
});
export default AppleSignIn;