mirror of
https://github.com/we-promise/sure.git
synced 2026-04-19 03:54:08 +00:00
506 lines
20 KiB
Dart
506 lines
20 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter/gestures.dart';
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import 'package:provider/provider.dart';
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import 'package:url_launcher/url_launcher.dart';
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import 'package:flutter_svg/flutter_svg.dart';
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import '../providers/auth_provider.dart';
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import '../services/api_config.dart';
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class LoginScreen extends StatefulWidget {
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final VoidCallback? onGoToSettings;
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const LoginScreen({super.key, this.onGoToSettings});
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@override
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State<LoginScreen> createState() => _LoginScreenState();
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}
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class _LoginScreenState extends State<LoginScreen> {
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final _formKey = GlobalKey<FormState>();
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final _emailController = TextEditingController(text: 'user@example.com');
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final _passwordController = TextEditingController(text: 'Password1!');
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final _otpController = TextEditingController();
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bool _obscurePassword = true;
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late final TapGestureRecognizer _signUpTapRecognizer;
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@override
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void initState() {
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super.initState();
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_signUpTapRecognizer = TapGestureRecognizer()..onTap = _openSignUpPage;
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}
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@override
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void dispose() {
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_signUpTapRecognizer.dispose();
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_emailController.dispose();
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_passwordController.dispose();
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_otpController.dispose();
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super.dispose();
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}
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Future<void> _openSignUpPage() async {
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final signUpUrl = Uri.parse('${ApiConfig.defaultBaseUrl}/registration/new');
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final launched = await launchUrl(
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signUpUrl,
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mode: LaunchMode.externalApplication,
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);
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if (!launched && mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('Unable to open sign up page')),
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);
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}
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}
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void _showApiKeyDialog() {
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final apiKeyController = TextEditingController();
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final outerContext = context;
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bool isLoading = false;
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showDialog(
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context: context,
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builder: (dialogContext) {
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return StatefulBuilder(
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builder: (_, setDialogState) {
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return AlertDialog(
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title: const Text('API Key Login'),
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content: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Text(
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'Enter your API key to sign in.',
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style:
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Theme.of(outerContext).textTheme.bodyMedium?.copyWith(
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color: Theme.of(outerContext)
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.colorScheme
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.onSurfaceVariant,
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),
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),
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const SizedBox(height: 16),
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TextField(
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controller: apiKeyController,
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decoration: const InputDecoration(
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labelText: 'API Key',
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prefixIcon: Icon(Icons.vpn_key_outlined),
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),
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obscureText: true,
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maxLines: 1,
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enabled: !isLoading,
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),
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],
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),
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actions: [
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TextButton(
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onPressed: isLoading
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? null
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: () {
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apiKeyController.dispose();
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Navigator.of(dialogContext).pop();
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},
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child: const Text('Cancel'),
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),
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ElevatedButton(
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onPressed: isLoading
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? null
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: () async {
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final apiKey = apiKeyController.text.trim();
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if (apiKey.isEmpty) return;
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setDialogState(() {
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isLoading = true;
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});
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final authProvider = Provider.of<AuthProvider>(
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outerContext,
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listen: false,
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);
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final success = await authProvider.loginWithApiKey(
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apiKey: apiKey,
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);
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if (!dialogContext.mounted) return;
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final errorMsg = authProvider.errorMessage;
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apiKeyController.dispose();
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Navigator.of(dialogContext).pop();
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if (!success && mounted) {
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ScaffoldMessenger.of(outerContext).showSnackBar(
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SnackBar(
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content: Text(
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errorMsg ?? 'Invalid API key',
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),
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backgroundColor:
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Theme.of(outerContext).colorScheme.error,
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),
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);
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}
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},
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child: isLoading
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? const SizedBox(
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height: 20,
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width: 20,
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child: CircularProgressIndicator(strokeWidth: 2),
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)
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: const Text('Sign In'),
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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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if (!_formKey.currentState!.validate()) return;
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final authProvider = Provider.of<AuthProvider>(context, listen: false);
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final hadOtpCode =
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authProvider.showMfaInput && _otpController.text.isNotEmpty;
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final success = await authProvider.login(
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email: _emailController.text.trim(),
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password: _passwordController.text,
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otpCode: authProvider.showMfaInput ? _otpController.text.trim() : null,
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);
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// Check if widget is still mounted after async operation
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if (!mounted) return;
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// Clear OTP field if login failed and user had entered an OTP code
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// This allows user to easily try again with a new code
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if (!success && hadOtpCode && authProvider.errorMessage != null) {
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_otpController.clear();
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}
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}
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@override
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Widget build(BuildContext context) {
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final colorScheme = Theme.of(context).colorScheme;
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return Scaffold(
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body: SafeArea(
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child: Stack(
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children: [
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SingleChildScrollView(
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padding: const EdgeInsets.all(24),
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child: Form(
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key: _formKey,
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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const SizedBox(height: 48),
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// Logo/Title
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SvgPicture.asset(
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'assets/images/logomark.svg',
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width: 80,
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height: 80,
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),
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const SizedBox(height: 24),
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Text.rich(
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TextSpan(
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style: Theme.of(context).textTheme.bodyLarge?.copyWith(
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color: colorScheme.onSurfaceVariant,
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),
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children: [
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const TextSpan(text: 'Demo account or '),
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TextSpan(
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text: 'Sign Up',
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style: TextStyle(
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color: colorScheme.primary,
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fontWeight: FontWeight.w600,
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),
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recognizer: _signUpTapRecognizer,
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),
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const TextSpan(text: '!'),
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],
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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
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Consumer<AuthProvider>(
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builder: (context, authProvider, _) {
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if (authProvider.errorMessage != null) {
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return Container(
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padding: const EdgeInsets.all(12),
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margin: const EdgeInsets.only(bottom: 16),
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decoration: BoxDecoration(
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color: colorScheme.errorContainer,
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borderRadius: BorderRadius.circular(12),
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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: colorScheme.error,
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),
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const SizedBox(width: 12),
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Expanded(
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child: Text(
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authProvider.errorMessage!,
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style: TextStyle(
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color: colorScheme.onErrorContainer),
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),
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),
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IconButton(
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icon: const Icon(Icons.close),
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onPressed: () => authProvider.clearError(),
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iconSize: 20,
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),
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],
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),
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);
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}
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return const SizedBox.shrink();
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},
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),
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// Email Field
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TextFormField(
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controller: _emailController,
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keyboardType: TextInputType.emailAddress,
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autocorrect: false,
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textInputAction: TextInputAction.next,
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decoration: const InputDecoration(
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labelText: 'Email',
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prefixIcon: Icon(Icons.email_outlined),
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),
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validator: (value) {
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if (value == null || value.isEmpty) {
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return 'Please enter your email';
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}
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if (!value.contains('@')) {
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return 'Please enter a valid email';
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}
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return null;
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},
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),
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const SizedBox(height: 16),
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// Password and OTP Fields with Consumer
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Consumer<AuthProvider>(
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builder: (context, authProvider, _) {
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final showOtp = authProvider.showMfaInput;
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return Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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// Password Field
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TextFormField(
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controller: _passwordController,
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obscureText: _obscurePassword,
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textInputAction: showOtp
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? TextInputAction.next
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: TextInputAction.done,
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decoration: InputDecoration(
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labelText: 'Password',
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prefixIcon: const Icon(Icons.lock_outlined),
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suffixIcon: IconButton(
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icon: Icon(
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_obscurePassword
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? Icons.visibility_outlined
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: Icons.visibility_off_outlined,
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),
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onPressed: () {
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setState(() {
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_obscurePassword = !_obscurePassword;
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});
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},
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),
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),
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validator: (value) {
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if (value == null || value.isEmpty) {
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return 'Please enter your password';
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}
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return null;
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},
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onFieldSubmitted:
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showOtp ? null : (_) => _handleLogin(),
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),
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// OTP Field (shown when MFA is required)
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if (showOtp) ...[
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const SizedBox(height: 16),
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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: colorScheme.primaryContainer
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.withValues(alpha: 0.3),
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borderRadius: BorderRadius.circular(12),
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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.security,
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color: colorScheme.primary,
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),
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const SizedBox(width: 12),
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Expanded(
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child: Text(
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'Two-factor authentication is enabled. Enter your code.',
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style: TextStyle(
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color: colorScheme.onSurface),
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),
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),
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],
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),
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),
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const SizedBox(height: 16),
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TextFormField(
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controller: _otpController,
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keyboardType: TextInputType.number,
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textInputAction: TextInputAction.done,
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decoration: const InputDecoration(
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labelText: 'Authentication Code',
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prefixIcon: Icon(Icons.pin_outlined),
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),
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validator: (value) {
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if (showOtp &&
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(value == null || value.isEmpty)) {
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return 'Please enter your authentication code';
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}
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return null;
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},
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onFieldSubmitted: (_) => _handleLogin(),
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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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const SizedBox(height: 24),
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// Login Button
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Consumer<AuthProvider>(
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builder: (context, authProvider, _) {
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return ElevatedButton(
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onPressed:
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authProvider.isLoading ? null : _handleLogin,
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child: authProvider.isLoading
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? const SizedBox(
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height: 20,
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width: 20,
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child:
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CircularProgressIndicator(strokeWidth: 2),
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)
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: const Text('Sign In'),
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);
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},
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),
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const SizedBox(height: 16),
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// Divider with "or"
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Row(
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children: [
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Expanded(
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child: Divider(color: colorScheme.outlineVariant)),
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16),
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child: Text(
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'or',
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style:
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TextStyle(color: colorScheme.onSurfaceVariant),
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),
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),
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Expanded(
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child: Divider(color: colorScheme.outlineVariant)),
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],
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),
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const SizedBox(height: 16),
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// Google Sign-In button
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Consumer<AuthProvider>(
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builder: (context, authProvider, _) {
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return OutlinedButton.icon(
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onPressed: authProvider.isLoading
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? null
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: () =>
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authProvider.startSsoLogin('google_oauth2'),
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icon: SvgPicture.asset(
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'assets/images/google_g_logo.svg',
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width: 18,
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height: 18,
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),
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label: const Text('Sign in with Google'),
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style: OutlinedButton.styleFrom(
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minimumSize: const Size(double.infinity, 50),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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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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// Backend URL info
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InkWell(
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onTap: widget.onGoToSettings,
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borderRadius: BorderRadius.circular(8),
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child: Container(
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: colorScheme.surfaceContainerHighest
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.withValues(alpha: 0.3),
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borderRadius: BorderRadius.circular(8),
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),
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child: Column(
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children: [
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Text(
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'Sure server URL:',
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style:
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Theme.of(context).textTheme.bodySmall?.copyWith(
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color: colorScheme.onSurfaceVariant,
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fontWeight: FontWeight.bold,
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),
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),
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const SizedBox(height: 4),
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Text(
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ApiConfig.baseUrl,
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style:
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Theme.of(context).textTheme.bodySmall?.copyWith(
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color: colorScheme.primary,
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fontFamily: 'monospace',
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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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const SizedBox(height: 12),
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// API Key Login Button
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TextButton.icon(
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onPressed: _showApiKeyDialog,
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icon: const Icon(Icons.vpn_key_outlined, size: 18),
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label: const Text('API-Key Login'),
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),
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],
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),
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),
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),
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Positioned(
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right: 8,
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top: 8,
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child: IconButton(
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icon: const Icon(Icons.settings_outlined),
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tooltip: 'Backend Settings',
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onPressed: widget.onGoToSettings,
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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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