Implemented settings, new scan, enhanced UI/UX

lib/feature/authentication/presentation/login_page.dart

@@ -1,11 +1,10 @@
 import 'package:flutter/material.dart';
+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/widget/operations/bloc/operation_bloc.dart';
-import 'package:hl_lieferservice/widget/operations/bloc/operation_event.dart';
-import 'package:hl_lieferservice/widget/operations/presentation/operation_view_enforcer.dart';
-
-import '../bloc/auth_bloc.dart';
+import 'package:url_launcher/url_launcher.dart';
+import 'dart:async';
 
 class LoginPage extends StatefulWidget {
   const LoginPage({super.key});
@@ -16,27 +15,111 @@ class LoginPage extends StatefulWidget {
 
 class _LoginPageState extends State<LoginPage> {
   final _loginFormKey = GlobalKey<FormState>();
-  final TextEditingController _passwordEditingController =
-      TextEditingController();
-  final TextEditingController _userIdEditingController =
-      TextEditingController();
+  bool _isLoading = false;
+  late AppLinks _appLinks;
+  StreamSubscription<Uri>? _linkSubscription;
 
-  bool _isEmpty = false;
-
-  void onChanged(String value) {
-    setState(() {
-      _isEmpty = value.isEmpty;
-    });
+  @override
+  void initState() {
+    super.initState();
+    _appLinks = AppLinks();
   }
 
-  void _onPressLogin(BuildContext context) async {
-    if (context.mounted) {
-      context.read<AuthBloc>().add(
-        Authenticate(
-          username: _userIdEditingController.text,
-          password: _passwordEditingController.text,
-        ),
+  @override
+  void dispose() {
+    _linkSubscription?.cancel();
+    super.dispose();
+  }
+
+  void _onPressLogin() async {
+    setState(() => _isLoading = true);
+
+    try {
+      debugPrint("🔵 Setting up deep link listener...");
+
+      final completer = Completer<Uri>();
+
+      // Listen for deep links BEFORE opening browser
+      _linkSubscription = _appLinks.uriLinkStream.listen(
+            (Uri uri) {
+          debugPrint("🟢 Deep link received: $uri");
+          if (uri.scheme == 'myapp' && !completer.isCompleted) {
+            completer.complete(uri);
+          }
+        },
+        onError: (err) {
+          debugPrint("🔴 Deep link error: $err");
+          if (!completer.isCompleted) {
+            completer.completeError(err);
+          }
+        },
       );
+
+      // 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 launched = await launchUrl(
+        loginUrl,
+        mode: LaunchMode.externalApplication,
+      );
+
+      if (!launched) {
+        throw Exception('Could not launch browser');
+      }
+
+      debugPrint("🔵 Browser opened. Waiting for callback...");
+
+      // Wait for the deep link callback
+      final callbackUri = await completer.future.timeout(
+        const Duration(minutes: 5),
+        onTimeout: () {
+          debugPrint("⏱️ Timeout - no callback received");
+          throw TimeoutException('Login timeout');
+        },
+      );
+
+      final sessionId = callbackUri.queryParameters['session_id']!;
+
+      debugPrint("✅ Success! Callback: $callbackUri");
+      debugPrint("✅ Session ID: $sessionId");
+
+      await _linkSubscription?.cancel();
+      _linkSubscription = null;
+
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          const SnackBar(
+            content: Text('Login erfolgreich!'),
+            backgroundColor: Colors.green,
+          ),
+        );
+        
+        context.read<AuthBloc>().add(SetAuthenticatedEvent(sessionId: sessionId));
+      }
+
+    } on TimeoutException {
+      debugPrint("❌ Timeout");
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          const SnackBar(content: Text('Login Timeout')),
+        );
+      }
+    } catch (e) {
+      debugPrint("❌ Error: $e");
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(content: Text('Fehler: $e')),
+        );
+      }
+    } finally {
+      await _linkSubscription?.cancel();
+      _linkSubscription = null;
+      if (mounted) {
+        setState(() => _isLoading = false);
+      }
     }
   }
 
@@ -75,38 +158,19 @@ class _LoginPageState extends State<LoginPage> {
                 child: Column(
                   mainAxisAlignment: MainAxisAlignment.center,
                   children: [
-                    Padding(
-                      padding: const EdgeInsets.only(bottom: 20),
-                      child: TextFormField(
-                        decoration: const InputDecoration(
-                          labelText: "Personalnummer",
-                          border: OutlineInputBorder(
-                            borderRadius: BorderRadius.all(
-                              Radius.circular(10.0),
-                            ),
-                          ),
-                        ),
-                        controller: _userIdEditingController,
-                        onChanged: onChanged,
-                      ),
-                    ),
-                    TextFormField(
-                      decoration: const InputDecoration(
-                        labelText: "Passwort",
-                        border: OutlineInputBorder(
-                          borderRadius: BorderRadius.all(Radius.circular(10.0)),
-                        ),
-                      ),
-                      controller: _passwordEditingController,
-                      obscureText: true,
-                      onChanged: onChanged,
-                    ),
                     Padding(
                       padding: const EdgeInsets.only(top: 15, bottom: 15),
-                      child: OutlinedButton(
-                        onPressed:
-                            !_isEmpty ? () => _onPressLogin(context) : null,
-                        child: const Text("Anmelden"),
+                      child: _isLoading
+                          ? const Column(
+                        children: [
+                          CircularProgressIndicator(),
+                          SizedBox(height: 16),
+                          Text('Warte auf Login...'),
+                        ],
+                      )
+                          : OutlinedButton(
+                        onPressed: _onPressLogin,
+                        child: const Text("Anmelden mit Holzleitner Login"),
                       ),
                     ),
                   ],
@@ -118,4 +182,4 @@ class _LoginPageState extends State<LoginPage> {
       ),
     );
   }
-}
+}