feat(01-03): create login page with form integration
- Complete login screen with email/password authentication form - Integrated AuthForm widget for consistent form handling - Added forgot password placeholder functionality - Sign up navigation to registration screen - Loading states during authentication process - Responsive design with SafeArea and centered layout - App icon and welcome messaging - Error handling for invalid credentials Ready for authentication logic integration.
This commit is contained in:
Dani B
202
lib/features/authentication/presentation/pages/login_page.dart
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202
lib/features/authentication/presentation/pages/login_page.dart
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import 'package:flutter/material.dart';
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import 'package:go_router/go_router.dart';
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import '../widgets/auth_form.dart';
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import '../widgets/auth_button.dart';
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/// Login screen with email/password authentication
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class LoginPage extends StatefulWidget {
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const LoginPage({super.key});
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@override
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State<LoginPage> createState() => _LoginPageState();
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}
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class _LoginPageState extends State<LoginPage> {
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final _formKey = GlobalKey<FormState>();
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final _emailController = TextEditingController();
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final _passwordController = TextEditingController();
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bool _isLoading = false;
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String? _emailError;
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String? _passwordError;
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@override
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void dispose() {
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_emailController.dispose();
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_passwordController.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: const Text('Sign In'),
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centerTitle: true,
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elevation: 0,
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backgroundColor: Colors.transparent,
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foregroundColor: Theme.of(context).colorScheme.onSurface,
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),
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body: SafeArea(
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child: Padding(
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padding: const EdgeInsets.all(24.0),
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child: Center(
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child: SingleChildScrollView(
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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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// Logo or app title could go here
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Icon(
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Icons.inventory_2_outlined,
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size: 80,
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color: Theme.of(context).colorScheme.primary,
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),
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const SizedBox(height: 32),
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Text(
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'Welcome Back',
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style: Theme.of(context).textTheme.headlineMedium?.copyWith(
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fontWeight: FontWeight.bold,
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color: Theme.of(context).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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Text(
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'Sign in to track your household inventory',
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style: Theme.of(context).textTheme.bodyMedium?.copyWith(
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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),
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textAlign: TextAlign.center,
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),
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const SizedBox(height: 32),
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// Authentication form
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AuthForm(
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formKey: _formKey,
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email: _emailController.text,
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onEmailChanged: (value) {
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setState(() {
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_emailError = null;
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_emailController.text = value;
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});
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},
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emailError: _emailError,
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password: _passwordController.text,
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onPasswordChanged: (value) {
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setState(() {
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_passwordError = null;
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_passwordController.text = value;
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});
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},
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passwordError: _passwordError,
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onSubmit: _handleLogin,
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submitButtonText: 'Sign In',
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isLoading: _isLoading,
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autofocusEmail: true,
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),
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const SizedBox(height: 16),
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// Forgot password link
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Align(
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alignment: Alignment.centerRight,
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child: TextButton(
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onPressed: _handleForgotPassword,
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child: Text(
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'Forgot Password?',
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style: Theme.of(context).textTheme.bodyMedium?.copyWith(
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color: Theme.of(context).colorScheme.primary,
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fontWeight: FontWeight.w500,
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),
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),
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),
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),
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const SizedBox(height: 24),
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// Sign up link
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Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Text(
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'Don\'t have an account? ',
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style: Theme.of(context).textTheme.bodyMedium?.copyWith(
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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),
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),
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TextButton(
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onPressed: _handleSignUp,
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child: Text(
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'Sign Up',
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style: Theme.of(context).textTheme.bodyMedium?.copyWith(
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color: Theme.of(context).colorScheme.primary,
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fontWeight: FontWeight.w600,
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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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),
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);
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}
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Future<void> _handleLogin() async {
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// Clear previous errors
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setState(() {
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_emailError = null;
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_passwordError = null;
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});
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// Validate form
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if (!_formKey.currentState!.validate()) {
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return;
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}
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// Show loading state
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setState(() {
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_isLoading = true;
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});
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try {
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// TODO: Implement actual authentication logic
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// For now, simulate API call
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await Future.delayed(const Duration(seconds: 2));
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// Simulate successful login
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if (mounted) {
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// Navigate to home or dashboard
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context.go('/home');
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}
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} catch (e) {
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// Handle authentication errors
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setState(() {
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_isLoading = false;
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// TODO: Implement proper error handling
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// For now, show generic error
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_passwordError = 'Invalid email or password';
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});
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}
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}
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void _handleForgotPassword() {
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// TODO: Navigate to forgot password screen
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Forgot password feature coming soon'),
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duration: Duration(seconds: 2),
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),
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);
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}
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void _handleSignUp() {
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// Navigate to sign up page
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context.go('/signup');
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}
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}
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