nostr images fetching from API
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gitea
@@ -0,0 +1,368 @@
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import 'package:flutter/material.dart';
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import '../../data/session/session_service.dart';
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import '../../data/firebase/firebase_service.dart';
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/// Screen for user session management (login/logout).
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class SessionScreen extends StatefulWidget {
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final SessionService? sessionService;
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final FirebaseService? firebaseService;
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final VoidCallback? onSessionChanged;
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const SessionScreen({
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super.key,
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this.sessionService,
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this.firebaseService,
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this.onSessionChanged,
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});
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@override
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State<SessionScreen> createState() => _SessionScreenState();
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}
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class _SessionScreenState extends State<SessionScreen> {
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final TextEditingController _usernameController = TextEditingController();
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final TextEditingController _userIdController = TextEditingController();
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final TextEditingController _emailController = TextEditingController();
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final TextEditingController _passwordController = TextEditingController();
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bool _isLoading = false;
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bool _useFirebaseAuth = false;
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@override
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void initState() {
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super.initState();
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// Check if Firebase Auth is available
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_useFirebaseAuth = widget.firebaseService?.isEnabled == true &&
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widget.firebaseService?.config.authEnabled == true;
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}
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@override
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void dispose() {
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_usernameController.dispose();
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_userIdController.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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Future<void> _handleLogin() async {
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if (widget.sessionService == null) return;
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setState(() {
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_isLoading = true;
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});
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try {
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if (_useFirebaseAuth && widget.firebaseService != null) {
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// Use Firebase Auth for authentication
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final email = _emailController.text.trim();
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final password = _passwordController.text.trim();
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if (email.isEmpty || password.isEmpty) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Please enter email and password'),
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),
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);
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}
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return;
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}
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// Authenticate with Firebase
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final firebaseUser = await widget.firebaseService!.loginWithEmailPassword(
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email: email,
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password: password,
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);
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// Create session with Firebase user info
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await widget.sessionService!.login(
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id: firebaseUser.uid,
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username: firebaseUser.email?.split('@').first ?? firebaseUser.uid,
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token: await firebaseUser.getIdToken(),
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);
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Login successful'),
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),
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);
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setState(() {});
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// Notify parent that session state changed
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widget.onSessionChanged?.call();
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}
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} else {
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// Simple validation mode (no Firebase Auth)
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final username = _usernameController.text.trim();
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final userId = _userIdController.text.trim();
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if (username.isEmpty || userId.isEmpty) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Please enter username and user ID'),
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),
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);
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}
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return;
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}
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// Basic validation: require minimum length
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if (userId.length < 3) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('User ID must be at least 3 characters'),
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),
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);
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}
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return;
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}
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if (username.length < 2) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Username must be at least 2 characters'),
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),
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);
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}
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return;
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}
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// Create session (demo mode - no real authentication)
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await widget.sessionService!.login(
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id: userId,
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username: username,
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);
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Login successful (demo mode)'),
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backgroundColor: Colors.orange,
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),
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);
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setState(() {});
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// Notify parent that session state changed
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widget.onSessionChanged?.call();
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}
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}
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} catch (e) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('Login failed: ${e.toString().replaceAll('FirebaseException: ', '').replaceAll('SessionException: ', '')}'),
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backgroundColor: Colors.red,
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),
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);
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}
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} finally {
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if (mounted) {
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setState(() {
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_isLoading = false;
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});
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}
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}
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}
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Future<void> _handleLogout() async {
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if (widget.sessionService == null) return;
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setState(() {
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_isLoading = true;
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});
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try {
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// Logout from session service first
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await widget.sessionService!.logout();
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// Also logout from Firebase Auth if enabled
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if (_useFirebaseAuth && widget.firebaseService != null) {
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try {
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await widget.firebaseService!.logout();
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} catch (e) {
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// Log error but don't fail logout - session is already cleared
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debugPrint('Warning: Firebase logout failed: $e');
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}
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}
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Logout successful'),
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),
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);
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setState(() {});
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// Notify parent that session state changed
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widget.onSessionChanged?.call();
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}
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} catch (e) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('Logout failed: ${e.toString().replaceAll('SessionException: ', '')}'),
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backgroundColor: Colors.red,
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),
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);
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}
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} finally {
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if (mounted) {
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setState(() {
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_isLoading = false;
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});
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}
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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 isLoggedIn = widget.sessionService?.isLoggedIn ?? false;
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final currentUser = widget.sessionService?.currentUser;
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return Scaffold(
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appBar: AppBar(
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title: const Text('Session'),
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),
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body: _isLoading
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? const Center(child: CircularProgressIndicator())
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: SingleChildScrollView(
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padding: const EdgeInsets.all(16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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if (isLoggedIn && currentUser != null) ...[
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Card(
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child: Padding(
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padding: const EdgeInsets.all(16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Text(
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'Current Session',
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style: TextStyle(
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fontSize: 18,
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fontWeight: FontWeight.bold,
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),
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),
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const SizedBox(height: 12),
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Text('User ID: ${currentUser.id}'),
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Text('Username: ${currentUser.username}'),
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Text(
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'Created: ${DateTime.fromMillisecondsSinceEpoch(currentUser.createdAt).toString().split('.')[0]}',
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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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ElevatedButton(
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onPressed: _handleLogout,
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.red,
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foregroundColor: Colors.white,
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),
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child: const Text('Logout'),
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),
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] else ...[
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const Icon(
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Icons.person_outline,
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size: 64,
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color: Colors.grey,
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),
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const SizedBox(height: 16),
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const Text(
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'Login',
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style: TextStyle(
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fontSize: 24,
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fontWeight: FontWeight.bold,
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),
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textAlign: TextAlign.center,
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),
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if (!_useFirebaseAuth) ...[
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const SizedBox(height: 8),
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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: Colors.orange.shade50,
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borderRadius: BorderRadius.circular(8),
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border: Border.all(color: Colors.orange.shade200),
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),
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child: Row(
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children: [
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Icon(Icons.info_outline, color: Colors.orange.shade700, size: 20),
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const SizedBox(width: 8),
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Expanded(
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child: Text(
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'Demo mode: No authentication required. Enter any valid user ID and username.',
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style: TextStyle(
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fontSize: 12,
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color: Colors.orange.shade700,
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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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const SizedBox(height: 24),
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if (_useFirebaseAuth) ...[
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TextField(
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controller: _emailController,
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decoration: const InputDecoration(
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labelText: 'Email',
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hintText: 'Enter your email',
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border: OutlineInputBorder(),
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),
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keyboardType: TextInputType.emailAddress,
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autofillHints: const [AutofillHints.email],
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),
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const SizedBox(height: 16),
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TextField(
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controller: _passwordController,
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decoration: const InputDecoration(
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labelText: 'Password',
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hintText: 'Enter your password',
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border: OutlineInputBorder(),
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),
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obscureText: true,
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autofillHints: const [AutofillHints.password],
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),
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] else ...[
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TextField(
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controller: _userIdController,
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decoration: const InputDecoration(
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labelText: 'User ID',
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hintText: 'Enter user ID (min 3 characters)',
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border: OutlineInputBorder(),
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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: _usernameController,
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decoration: const InputDecoration(
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labelText: 'Username',
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hintText: 'Enter username (min 2 characters)',
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border: OutlineInputBorder(),
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),
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),
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],
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const SizedBox(height: 24),
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ElevatedButton(
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onPressed: _isLoading ? null : _handleLogin,
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child: _isLoading
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? const SizedBox(
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width: 20,
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height: 20,
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child: CircularProgressIndicator(strokeWidth: 2),
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)
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: const Text('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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);
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}
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}
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