slrpg-app/lib/src/features/authentication/presentation/screens/login_screen.dart

276 lines
12 KiB
Dart

import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:go_router/go_router.dart';
import 'package:slrpg_app/l10n/app_localizations.dart';
import 'package:slrpg_app/src/core/utils/error_handler.dart';
import 'package:slrpg_app/src/core/constants/asset_paths.dart';
import '../../data/repositories/auth_repository.dart';
import '../../../../core/theme/app_theme.dart';
class LoginScreen extends ConsumerStatefulWidget {
const LoginScreen({super.key});
@override
ConsumerState<LoginScreen> createState() => _LoginScreenState();
}
class _LoginScreenState extends ConsumerState<LoginScreen> {
final _formKey = GlobalKey<FormState>();
final _emailController = TextEditingController();
final _passwordController = TextEditingController();
final _emailFocusNode = FocusNode();
final _passwordFocusNode = FocusNode();
bool _isLoading = false;
bool _obscurePassword = true;
String? _errorMessage;
@override
void dispose() {
_emailController.dispose();
_passwordController.dispose();
_emailFocusNode.dispose();
_passwordFocusNode.dispose();
super.dispose();
}
Future<void> _handleLogin() async {
FocusScope.of(context).unfocus();
setState(() => _errorMessage = null);
if (!_formKey.currentState!.validate()) {
return;
}
setState(() => _isLoading = true);
try {
final authRepo = ref.read(authRepositoryProvider);
await authRepo.login(
_emailController.text.trim(),
_passwordController.text,
);
if (mounted) {
context.go('/hub');
}
} catch (e) {
if (mounted) {
setState(() {
_isLoading = false;
_errorMessage = ErrorHandler.getReadableError(context, e);
});
ErrorHandler.showErrorSnackBar(context, e);
}
}
}
@override
Widget build(BuildContext context) {
final l10n = AppLocalizations.of(context)!;
return Scaffold(
body: GestureDetector(
onTap: () => FocusScope.of(context).unfocus(),
child: SafeArea(
child: LayoutBuilder(
builder: (context, constraints) {
return SingleChildScrollView(
physics: const ClampingScrollPhysics(),
child: ConstrainedBox(
constraints: BoxConstraints(
minHeight: constraints.maxHeight,
),
child: IntrinsicHeight(
child: Padding(
padding: const EdgeInsets.all(24),
child: Form(
key: _formKey,
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
const Spacer(),
Container(
width: 120,
height: 220,
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(24),
boxShadow: [
BoxShadow(
color: AppTheme.primaryColor
.withValues(alpha: 0.4),
blurRadius: 20,
spreadRadius: 2,
),
],
),
child: ClipRRect(
borderRadius: BorderRadius.circular(24),
child: Image.asset(
AssetPaths.appLogo,
fit: BoxFit.cover,
),
),
),
const SizedBox(height: 32),
Text(
l10n.loginWelcomeBack,
style: Theme.of(context).textTheme.displayMedium,
textAlign: TextAlign.center,
),
const SizedBox(height: 8),
Text(
l10n.loginSubtitle,
style: Theme.of(context).textTheme.bodyMedium,
textAlign: TextAlign.center,
),
const SizedBox(height: 48),
if (_errorMessage != null)
Container(
padding: const EdgeInsets.all(16),
margin: const EdgeInsets.only(bottom: 16),
decoration: BoxDecoration(
color: AppTheme.errorColor
.withValues(alpha: 0.1),
borderRadius: BorderRadius.circular(12),
border: Border.all(
color: AppTheme.errorColor,
width: 1,
),
),
child: Row(
children: [
const Icon(
Icons.error_outline,
color: AppTheme.errorColor,
),
const SizedBox(width: 12),
Expanded(
child: Text(
_errorMessage!,
style: const TextStyle(
color: AppTheme.errorColor,
fontSize: 14,
),
),
),
],
),
),
TextFormField(
controller: _emailController,
focusNode: _emailFocusNode,
keyboardType: TextInputType.emailAddress,
textInputAction: TextInputAction.next,
enabled: !_isLoading,
decoration: InputDecoration(
labelText: l10n.emailLabel,
prefixIcon: Icon(Icons.email_outlined),
),
onFieldSubmitted: (_) {
_passwordFocusNode.requestFocus();
},
validator: (value) {
if (value == null || value.isEmpty) {
return l10n.emailEmptyError;
}
if (!value.contains('@')) {
return l10n.emailInvalidError;
}
return null;
},
),
const SizedBox(height: 16),
TextFormField(
controller: _passwordController,
focusNode: _passwordFocusNode,
obscureText: _obscurePassword,
textInputAction: TextInputAction.done,
enabled: !_isLoading,
decoration: InputDecoration(
labelText: l10n.passwordLabel,
prefixIcon: const Icon(Icons.lock_outline),
suffixIcon: IconButton(
icon: Icon(
_obscurePassword
? Icons.visibility_outlined
: Icons.visibility_off_outlined,
),
onPressed: () {
setState(() {
_obscurePassword = !_obscurePassword;
});
},
),
),
onFieldSubmitted: (_) => _handleLogin(),
validator: (value) {
if (value == null || value.isEmpty) {
return l10n.passwordEmptyError;
}
if (value.length < 8) {
return l10n.passwordLengthError;
}
return null;
},
),
const SizedBox(height: 32),
ElevatedButton(
onPressed: _isLoading ? null : _handleLogin,
style: ElevatedButton.styleFrom(
padding:
const EdgeInsets.symmetric(vertical: 16),
disabledBackgroundColor: AppTheme.primaryColor
.withValues(alpha: 0.5),
),
child: _isLoading
? const SizedBox(
height: 20,
width: 20,
child: CircularProgressIndicator(
strokeWidth: 2,
color: Colors.black,
),
)
: Text(
l10n.loginButton,
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.bold,
letterSpacing: 1.2,
),
),
),
const SizedBox(height: 16),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text(
l10n.loginNoAccount,
style: Theme.of(context).textTheme.bodyMedium,
),
TextButton(
onPressed: _isLoading
? null
: () => context.go('/register'),
child: Text(l10n.loginRegisterButton),
),
],
),
const Spacer(),
],
),
),
),
),
),
);
},
),
),
),
);
}
}