tasq/lib/screens/auth/login_screen.dart

350 lines
14 KiB
Dart

import 'dart:io';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:font_awesome_flutter/font_awesome_flutter.dart';
import 'package:go_router/go_router.dart';
import '../../providers/auth_provider.dart';
import '../../theme/m3_motion.dart';
import '../../utils/snackbar.dart';
class LoginScreen extends ConsumerStatefulWidget {
const LoginScreen({super.key});
@override
ConsumerState<LoginScreen> createState() => _LoginScreenState();
}
class _LoginScreenState extends ConsumerState<LoginScreen>
with SingleTickerProviderStateMixin {
final _formKey = GlobalKey<FormState>();
final _emailController = TextEditingController();
final _passwordController = TextEditingController();
late final AnimationController _entranceController;
late final Animation<double> _fadeIn;
late final Animation<Offset> _slideIn;
bool _isLoading = false;
bool _obscurePassword = true;
bool _hasValidationError = false;
@override
void initState() {
super.initState();
_entranceController = AnimationController(
vsync: this,
duration: M3Motion.long,
);
_fadeIn = CurvedAnimation(
parent: _entranceController,
curve: M3Motion.emphasizedEnter,
);
_slideIn = Tween<Offset>(
begin: const Offset(0, 0.06),
end: Offset.zero,
).animate(_fadeIn);
_entranceController.forward();
}
@override
void dispose() {
_entranceController.dispose();
_emailController.dispose();
_passwordController.dispose();
super.dispose();
}
Future<void> _handleEmailSignIn() async {
if (!_formKey.currentState!.validate()) {
setState(() {
_hasValidationError = !_hasValidationError;
});
return;
}
setState(() => _hasValidationError = false);
setState(() => _isLoading = true);
final auth = ref.read(authControllerProvider);
try {
final response = await auth.signInWithPassword(
email: _emailController.text.trim(),
password: _passwordController.text,
);
if (response.session != null && mounted) {
context.go('/tickets');
} else if (mounted) {
showInfoSnackBar(context, 'Check your email to confirm sign-in.');
}
} on Exception catch (error) {
if (mounted) {
showErrorSnackBar(context, 'Sign in failed: $error');
}
} finally {
if (mounted) {
setState(() => _isLoading = false);
}
}
}
Future<void> _handleOAuthSignIn({required bool google}) async {
setState(() => _isLoading = true);
final auth = ref.read(authControllerProvider);
final redirectTo = kIsWeb
? Uri.base.origin
: (Platform.isAndroid ? 'io.supabase.tasq://login-callback' : null);
try {
if (google) {
await auth.signInWithGoogle(redirectTo: redirectTo);
} else {
await auth.signInWithMeta(redirectTo: redirectTo);
}
} on Exception catch (error) {
if (mounted) {
showErrorSnackBar(context, 'OAuth failed: $error');
}
} finally {
if (mounted) {
setState(() => _isLoading = false);
}
}
}
@override
Widget build(BuildContext context) {
final cs = Theme.of(context).colorScheme;
final tt = Theme.of(context).textTheme;
return Scaffold(
body: SafeArea(
child: Center(
child: SingleChildScrollView(
padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 32),
child: FadeTransition(
opacity: _fadeIn,
child: SlideTransition(
position: _slideIn,
child: ConstrainedBox(
constraints: const BoxConstraints(maxWidth: 420),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
// ── Branding ──
Hero(
tag: 'tasq-logo',
child: Image.asset(
'assets/tasq_ico.png',
height: 80,
width: 80,
),
),
const SizedBox(height: 16),
Text(
'TasQ',
style: tt.headlineMedium?.copyWith(
fontWeight: FontWeight.w700,
color: cs.primary,
),
),
const SizedBox(height: 4),
Text(
'Task management, simplified',
style: tt.bodyMedium?.copyWith(
color: cs.onSurfaceVariant,
),
),
const SizedBox(height: 32),
// ── Sign-in card ──
M3ErrorShake(
hasError: _hasValidationError,
child: Card(
elevation: 0,
color: cs.surfaceContainerLow,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(28),
),
child: Padding(
padding: const EdgeInsets.symmetric(
horizontal: 24,
vertical: 28,
),
child: Form(
key: _formKey,
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
Text(
'Sign in',
style: tt.titleLarge?.copyWith(
fontWeight: FontWeight.w600,
),
),
const SizedBox(height: 20),
TextFormField(
controller: _emailController,
decoration: const InputDecoration(
labelText: 'Email',
prefixIcon: Icon(Icons.email_outlined),
),
keyboardType: TextInputType.emailAddress,
textInputAction: TextInputAction.next,
validator: (value) {
if (value == null || value.trim().isEmpty) {
return 'Email is required.';
}
return null;
},
),
const SizedBox(height: 16),
TextFormField(
controller: _passwordController,
decoration: InputDecoration(
labelText: 'Password',
prefixIcon: const Icon(Icons.lock_outlined),
suffixIcon: IconButton(
icon: Icon(
_obscurePassword
? Icons.visibility_outlined
: Icons.visibility_off_outlined,
),
onPressed: () => setState(
() => _obscurePassword =
!_obscurePassword,
),
),
),
obscureText: _obscurePassword,
textInputAction: TextInputAction.done,
onFieldSubmitted: (_) {
if (!_isLoading) _handleEmailSignIn();
},
validator: (value) {
if (value == null || value.isEmpty) {
return 'Password is required.';
}
return null;
},
),
const SizedBox(height: 24),
M3AnimatedSwitcher(
child: _isLoading
? const SizedBox(
key: ValueKey('loading'),
height: 48,
child: Center(
child: CircularProgressIndicator(),
),
)
: FilledButton(
key: const ValueKey('sign-in'),
onPressed: _handleEmailSignIn,
style: FilledButton.styleFrom(
minimumSize: const Size.fromHeight(
48,
),
),
child: const Text('Sign In'),
),
),
],
),
),
),
),
), // M3ErrorShake
const SizedBox(height: 20),
// ── Divider ──
Row(
children: [
Expanded(child: Divider(color: cs.outlineVariant)),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 16),
child: Text(
'or continue with',
style: tt.labelMedium?.copyWith(
color: cs.onSurfaceVariant,
),
),
),
Expanded(child: Divider(color: cs.outlineVariant)),
],
),
const SizedBox(height: 20),
// ── OAuth buttons ──
Row(
children: [
Expanded(
child: OutlinedButton.icon(
onPressed: _isLoading
? null
: () => _handleOAuthSignIn(google: true),
icon: const FaIcon(
FontAwesomeIcons.google,
size: 18,
),
label: const Text('Google'),
style: OutlinedButton.styleFrom(
minimumSize: const Size.fromHeight(48),
),
),
),
const SizedBox(width: 12),
Expanded(
child: OutlinedButton.icon(
onPressed: _isLoading
? null
: () => _handleOAuthSignIn(google: false),
icon: const FaIcon(
FontAwesomeIcons.facebook,
size: 18,
),
label: const Text('Meta'),
style: OutlinedButton.styleFrom(
minimumSize: const Size.fromHeight(48),
),
),
),
],
),
const SizedBox(height: 24),
// ── Create account link ──
TextButton(
onPressed: _isLoading
? null
: () => context.go('/signup'),
child: Text.rich(
TextSpan(
text: "Don't have an account? ",
style: tt.bodyMedium?.copyWith(
color: cs.onSurfaceVariant,
),
children: [
TextSpan(
text: 'Sign up',
style: TextStyle(
color: cs.primary,
fontWeight: FontWeight.w600,
),
),
],
),
),
),
],
),
),
),
),
),
),
),
);
}
}