157 lines
5.0 KiB
Dart
157 lines
5.0 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:go_router/go_router.dart';
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import '../../di/auth_dependency_injection.dart';
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import '../widgets/login_form.dart';
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/// Login page for user authentication
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///
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/// Displays login form and handles authentication flow
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class LoginPage extends ConsumerStatefulWidget {
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const LoginPage({super.key});
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@override
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ConsumerState<LoginPage> createState() => _LoginPageState();
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}
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class _LoginPageState extends ConsumerState<LoginPage> {
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@override
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void initState() {
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super.initState();
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// Check authentication status on page load
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WidgetsBinding.instance.addPostFrameCallback((_) {
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_checkAuthStatus();
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});
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}
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/// Check if user is already authenticated
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Future<void> _checkAuthStatus() async {
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ref.read(authProvider.notifier).checkAuthStatus();
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}
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/// Handle login button press
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void _handleLogin(String username, String password) {
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ref.read(authProvider.notifier).login(username, password);
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}
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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final authState = ref.watch(authProvider);
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final isLoading = authState.isLoading;
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final error = authState.error;
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// Listen for authentication state changes
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ref.listen(authProvider, (previous, next) {
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if (next.isAuthenticated) {
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// Navigate to warehouses page on successful login
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context.go('/warehouses');
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}
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});
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return Scaffold(
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body: SafeArea(
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child: Center(
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child: SingleChildScrollView(
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padding: const EdgeInsets.all(24.0),
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child: ConstrainedBox(
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constraints: const BoxConstraints(maxWidth: 400),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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// App logo/icon
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Center(
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child: ClipRRect(
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borderRadius: BorderRadius.circular(16),
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child: Image.asset(
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'assets/app_icon.jpg',
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width: 100,
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height: 100,
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fit: BoxFit.cover,
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),
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),
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),
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const SizedBox(height: 24),
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// App title
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Text(
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'Warehouse Manager',
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style: theme.textTheme.headlineMedium?.copyWith(
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fontWeight: FontWeight.bold,
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color: theme.colorScheme.onSurface,
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),
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textAlign: TextAlign.center,
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),
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const SizedBox(height: 8),
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// Subtitle
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Text(
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'Login to continue',
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style: theme.textTheme.bodyLarge?.copyWith(
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color: theme.colorScheme.onSurface.withOpacity(0.6),
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),
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textAlign: TextAlign.center,
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),
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const SizedBox(height: 48),
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// Error message (show before form)
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if (error != null)
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Container(
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: theme.colorScheme.errorContainer,
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borderRadius: BorderRadius.circular(8),
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),
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child: Row(
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children: [
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Icon(
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Icons.error_outline,
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color: theme.colorScheme.error,
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size: 20,
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),
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const SizedBox(width: 8),
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Expanded(
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child: Text(
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error,
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style: theme.textTheme.bodyMedium?.copyWith(
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color: theme.colorScheme.error,
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),
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),
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),
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],
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),
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),
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if (error != null) const SizedBox(height: 16),
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// Login form (includes button)
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LoginForm(
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onSubmit: _handleLogin,
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isLoading: isLoading,
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),
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const SizedBox(height: 24),
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// Additional info or version
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Text(
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'Version 1.0.0',
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style: theme.textTheme.bodySmall?.copyWith(
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color: theme.colorScheme.onSurface.withOpacity(0.4),
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),
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textAlign: TextAlign.center,
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),
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],
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),
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),
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),
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),
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),
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);
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}
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}
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