Added components to article

lib/feature/authentication/bloc/auth_bloc.dart

@@ -25,6 +25,7 @@ class AuthBloc extends Bloc<AuthEvent, AuthState> {
     try {
       debugPrint("Retrieve user information");
 
+      emit(Authenticating());
       var response = await service.getUserinfo(event.sessionId);
       var state = Authenticated(sessionId: event.sessionId, user: response);
       locator.registerSingleton<Authenticated>(state);
@@ -34,6 +35,7 @@ class AuthBloc extends Bloc<AuthEvent, AuthState> {
       debugPrint(err.toString());
       debugPrint(st.toString());
 
+      emit(Unauthenticated());
       operationBloc.add(
         FailOperation(
           message: "Login war nicht erfolgreich. Probieren Sie es erneut.",

lib/feature/authentication/bloc/auth_state.dart

@@ -7,6 +7,10 @@ class Unauthenticated extends AuthState {
   Unauthenticated({this.sessionExpired = false});
 }
 
+/// Transient state while [SetAuthenticatedEvent] is being processed and the
+/// user info is being fetched from the server.
+class Authenticating extends AuthState {}
+
 class Authenticated extends AuthState {
   User user;
   String sessionId;

lib/feature/authentication/presentation/login_page.dart

@@ -3,7 +3,9 @@ import 'package:app_links/app_links.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:hl_lieferservice/feature/authentication/bloc/auth_bloc.dart';
 import 'package:hl_lieferservice/feature/authentication/bloc/auth_event.dart';
+import 'package:hl_lieferservice/feature/authentication/bloc/auth_state.dart';
 import 'package:url_launcher/url_launcher.dart';
+import 'package:hl_lieferservice/util.dart';
 import 'dart:async';
 
 class LoginPage extends StatefulWidget {
@@ -60,9 +62,7 @@ class _LoginPageState extends State<LoginPage> {
       // Small delay to ensure listener is ready
       await Future.delayed(const Duration(milliseconds: 500));
 
-      debugPrint("🔵 Opening browser to: http://localhost:3000/login");
-
-      final loginUrl = Uri.parse('http://192.168.1.9:3000/login');
+      final loginUrl = Uri.parse('${getConfig().backendUrl}/login');
       final launched = await launchUrl(
         loginUrl,
         mode: LaunchMode.externalApplication,
@@ -176,17 +176,30 @@ class _LoginPageState extends State<LoginPage> {
                   children: [
                     Padding(
                       padding: const EdgeInsets.only(top: 15, bottom: 15),
-                      child: _isLoading
-                          ? const Column(
-                        children: [
-                          CircularProgressIndicator(),
-                          SizedBox(height: 16),
-                          Text('Warte auf Login...'),
-                        ],
-                      )
-                          : OutlinedButton(
-                        onPressed: _onPressLogin,
-                        child: const Text("Anmelden mit Holzleitner Login"),
+                      child: BlocBuilder<AuthBloc, AuthState>(
+                        builder: (context, authState) {
+                          final isBusy =
+                              _isLoading || authState is Authenticating;
+                          if (!isBusy) {
+                            return OutlinedButton(
+                              onPressed: _onPressLogin,
+                              child: const Text(
+                                "Anmelden mit Holzleitner Login",
+                              ),
+                            );
+                          }
+                          return Column(
+                            children: [
+                              const CircularProgressIndicator(),
+                              const SizedBox(height: 16),
+                              Text(
+                                authState is Authenticating
+                                    ? 'Anmeldung wird abgeschlossen…'
+                                    : 'Warte auf Login...',
+                              ),
+                            ],
+                          );
+                        },
                       ),
                     ),
                   ],