Show repeater login error in login dialog

lib/l10n/app_bg.arb

@@ -821,6 +821,8 @@
       }
     }
   },
+  "login_failedMessage": "Входът не беше успешен. Или паролата е грешна, или повторителят е недостъпен.",
+
   "common_reload": "Презареди",
   "common_clear": "Изчисти",
   "path_currentPath": "Текущ път: {path}",

lib/l10n/app_de.arb

@@ -821,6 +821,8 @@
       }
     }
   },
+  "login_failedMessage": "Anmeldung fehlgeschlagen. Entweder ist das Passwort falsch oder der Repeater ist nicht erreichbar.",
+
   "common_reload": "Neu laden",
   "common_clear": "Löschen",
   "path_currentPath": "Aktiger Pfad: {path}",

lib/l10n/app_en.arb

@@ -711,6 +711,8 @@
       "error": {"type": "String"}
     }
   },
+  "login_failedMessage": "Login failed. Either the password is incorrect or the repeater is unreachable.",
+
 
   "common_reload": "Reload",
   "common_clear": "Clear",

lib/l10n/app_es.arb

@@ -821,6 +821,8 @@
       }
     }
   },
+  "login_failedMessage": "Inicio fallido. La contraseña es incorrecta o el repetidor no está disponible.",
+
   "common_reload": "Recargar",
   "common_clear": "Borrar",
   "path_currentPath": "Ruta actual: {path}",

lib/l10n/app_fr.arb

@@ -821,6 +821,8 @@
       }
     }
   },
+  "login_failedMessage": "Connexion échouée. Soit le mot de passe est incorrect, soit le relais est injoignable.",
+
   "common_reload": "Recharger",
   "common_clear": "Effacer",
   "path_currentPath": "Chemin actuel : {path}",

lib/l10n/app_it.arb

@@ -821,6 +821,8 @@
       }
     }
   },
+  "login_failedMessage": "Accesso fallito. La password non è corretta oppure il ripetitore non è raggiungibile.",
+
   "common_reload": "Ricaricare",
   "common_clear": "Cancella",
   "path_currentPath": "Percorso corrente: {path}",

lib/l10n/app_localizations.dart

@@ -2687,6 +2687,12 @@ abstract class AppLocalizations {
   /// **'Login failed: {error}'**
   String login_failed(String error);
 
+  /// No description provided for @login_failedMessage.
+  ///
+  /// In en, this message translates to:
+  /// **'Login failed. Either the password is incorrect or the repeater is unreachable.'**
+  String get login_failedMessage;
+
   /// No description provided for @common_reload.
   ///
   /// In en, this message translates to:

lib/l10n/app_localizations_bg.dart

@@ -1475,6 +1475,10 @@ class AppLocalizationsBg extends AppLocalizations {
     return 'Входът не беше успешен: $error';
   }
 
+  @override
+  String get login_failedMessage =>
+      'Входът не беше успешен. Или паролата е грешна, или повторителят е недостъпен.';
+
   @override
   String get common_reload => 'Презареди';
 

lib/l10n/app_localizations_de.dart

@@ -1474,6 +1474,10 @@ class AppLocalizationsDe extends AppLocalizations {
     return 'Anmeldung fehlgeschlagen: $error';
   }
 
+  @override
+  String get login_failedMessage =>
+      'Anmeldung fehlgeschlagen. Entweder ist das Passwort falsch oder der Repeater ist nicht erreichbar.';
+
   @override
   String get common_reload => 'Neu laden';
 

lib/l10n/app_localizations_en.dart

@@ -1453,6 +1453,10 @@ class AppLocalizationsEn extends AppLocalizations {
     return 'Login failed: $error';
   }
 
+  @override
+  String get login_failedMessage =>
+      'Login failed. Either the password is incorrect or the repeater is unreachable.';
+
   @override
   String get common_reload => 'Reload';
 

lib/l10n/app_localizations_es.dart

@@ -1472,6 +1472,10 @@ class AppLocalizationsEs extends AppLocalizations {
     return 'Inicio fallido: $error';
   }
 
+  @override
+  String get login_failedMessage =>
+      'Inicio fallido. La contraseña es incorrecta o el repetidor no está disponible.';
+
   @override
   String get common_reload => 'Recargar';
 

lib/l10n/app_localizations_fr.dart

@@ -1478,6 +1478,10 @@ class AppLocalizationsFr extends AppLocalizations {
     return 'Connexion échouée : $error';
   }
 
+  @override
+  String get login_failedMessage =>
+      'Connexion échouée. Soit le mot de passe est incorrect, soit le relais est injoignable.';
+
   @override
   String get common_reload => 'Recharger';
 

lib/l10n/app_localizations_it.dart

@@ -1470,6 +1470,10 @@ class AppLocalizationsIt extends AppLocalizations {
     return 'Accesso fallito: $error';
   }
 
+  @override
+  String get login_failedMessage =>
+      'Accesso fallito. La password non è corretta oppure il ripetitore non è raggiungibile.';
+
   @override
   String get common_reload => 'Ricaricare';
 

lib/l10n/app_localizations_nl.dart

@@ -1466,6 +1466,10 @@ class AppLocalizationsNl extends AppLocalizations {
     return 'Inloggen mislukt: $error';
   }
 
+  @override
+  String get login_failedMessage =>
+      'Inloggen mislukt. Het wachtwoord is onjuist of de repeater is niet bereikbaar.';
+
   @override
   String get common_reload => 'Opnieuw laden';
 

lib/l10n/app_localizations_pl.dart

@@ -1474,6 +1474,10 @@ class AppLocalizationsPl extends AppLocalizations {
     return 'Zalogowanie się nie powiodło: $error';
   }
 
+  @override
+  String get login_failedMessage =>
+      'Logowanie nie powiodło się. Hasło jest nieprawidłowe albo repeater jest nieosiągalny.';
+
   @override
   String get common_reload => 'Ponownie załadować';
 

lib/l10n/app_localizations_pt.dart

@@ -1472,6 +1472,10 @@ class AppLocalizationsPt extends AppLocalizations {
     return 'Login falhou: $error';
   }
 
+  @override
+  String get login_failedMessage =>
+      'Falha no login. A senha está incorreta ou o repetidor está inacessível.';
+
   @override
   String get common_reload => 'Recarregar';
 

lib/l10n/app_localizations_sk.dart

@@ -1468,6 +1468,10 @@ class AppLocalizationsSk extends AppLocalizations {
     return 'Prihlásenie zlyhalo: $error';
   }
 
+  @override
+  String get login_failedMessage =>
+      'Prihlásenie zlyhalo. Heslo je nesprávne alebo je opakovač nedostupný.';
+
   @override
   String get common_reload => 'Načítať';
 

lib/l10n/app_localizations_sl.dart

@@ -1469,6 +1469,10 @@ class AppLocalizationsSl extends AppLocalizations {
     return 'Prijava je bila neuspešna: $error';
   }
 
+  @override
+  String get login_failedMessage =>
+      'Prijava je bila neuspešna. Geslo je napačno ali pa je repetitor nedosegljiv.';
+
   @override
   String get common_reload => 'Ponovno naloži';
 

lib/l10n/app_localizations_sv.dart

@@ -1457,6 +1457,10 @@ class AppLocalizationsSv extends AppLocalizations {
     return 'Inloggning misslyckades: $error';
   }
 
+  @override
+  String get login_failedMessage =>
+      'Inloggning misslyckades. Antingen är lösenordet fel eller så går det inte att nå repeatern.';
+
   @override
   String get common_reload => 'Ladda om';
 

lib/l10n/app_localizations_zh.dart

@@ -1411,6 +1411,9 @@ class AppLocalizationsZh extends AppLocalizations {
     return '登录失败：$error';
   }
 
+  @override
+  String get login_failedMessage => '登录失败。密码不正确或中继器不可达。';
+
   @override
   String get common_reload => '重新加载';
 

lib/l10n/app_nl.arb

@@ -821,6 +821,8 @@
       }
     }
   },
+  "login_failedMessage": "Inloggen mislukt. Het wachtwoord is onjuist of de repeater is niet bereikbaar.",
+
   "common_reload": "Opnieuw laden",
   "common_clear": "Schoonmaken",
   "path_currentPath": "Huidige pad: {path}",

lib/l10n/app_pl.arb

@@ -821,6 +821,8 @@
       }
     }
   },
+  "login_failedMessage": "Logowanie nie powiodło się. Hasło jest nieprawidłowe albo repeater jest nieosiągalny.",
+
   "common_reload": "Ponownie załadować",
   "common_clear": "Wyczyść",
   "path_currentPath": "Aktualny ścieżka: {path}",

lib/l10n/app_pt.arb

@@ -821,6 +821,8 @@
       }
     }
   },
+  "login_failedMessage": "Falha no login. A senha está incorreta ou o repetidor está inacessível.",
+
   "common_reload": "Recarregar",
   "common_clear": "Limpar",
   "path_currentPath": "Caminho atual: {path}",

lib/l10n/app_sk.arb

@@ -821,6 +821,8 @@
       }
     }
   },
+  "login_failedMessage": "Prihlásenie zlyhalo. Heslo je nesprávne alebo je opakovač nedostupný.",
+
   "common_reload": "Načítať",
   "common_clear": "Zmazať",
   "path_currentPath": "Aktívna cesta: {path}",

lib/l10n/app_sl.arb

@@ -821,6 +821,8 @@
       }
     }
   },
+  "login_failedMessage": "Prijava je bila neuspešna. Geslo je napačno ali pa je repetitor nedosegljiv.",
+
   "common_reload": "Ponovno naloži",
   "common_clear": "Ponoviti",
   "path_currentPath": "Trenutna pot: {path}",

lib/l10n/app_sv.arb

@@ -821,6 +821,8 @@
       }
     }
   },
+  "login_failedMessage": "Inloggning misslyckades. Antingen är lösenordet fel eller så går det inte att nå repeatern.",
+
   "common_reload": "Ladda om",
   "common_clear": "Rensa",
   "path_currentPath": "Nuvarande sökväg: {path}",

lib/l10n/app_zh.arb

@@ -821,6 +821,8 @@
       }
     }
   },
+  "login_failedMessage": "登录失败。密码不正确或中继器不可达。",
+
   "common_reload": "重新加载",
   "common_clear": "清除",
   "path_currentPath": "当前路径：{path}",

lib/widgets/repeater_login_dialog.dart

@@ -31,6 +31,7 @@ class _RepeaterLoginDialogState extends State<RepeaterLoginDialog> {
   bool _savePassword = false;
   bool _isLoading = true;
   bool _obscurePassword = true;
+  String? _loginError;
   late MeshCoreConnector _connector;
   int _currentAttempt = 0;
   static const int _maxAttempts = 5;
@@ -79,6 +80,7 @@ class _RepeaterLoginDialogState extends State<RepeaterLoginDialog> {
     setState(() {
       _isLoggingIn = true;
       _currentAttempt = 0;
+      _loginError = null;
     });
 
     try {
@@ -134,7 +136,7 @@ class _RepeaterLoginDialogState extends State<RepeaterLoginDialog> {
             'Login failed for ${repeater.name}',
             tag: 'RepeaterLogin',
           );
-          throw Exception('Wrong password or node is unreachable');
+          break;
         }
         appLogger.warn(
           'Login attempt ${attempt + 1} timed out after ${timeoutSeconds}s',
@@ -156,7 +158,13 @@ class _RepeaterLoginDialogState extends State<RepeaterLoginDialog> {
       }
 
       if (loginResult != true) {
-        throw Exception('Wrong password or node is unreachable');
+        if (mounted) {
+          setState(() {
+            _isLoggingIn = false;
+            _loginError = context.l10n.login_failedMessage;
+          });
+        }
+        return;
       }
 
       // If we got a response, login succeeded
@@ -182,13 +190,8 @@ class _RepeaterLoginDialogState extends State<RepeaterLoginDialog> {
       if (mounted) {
         setState(() {
           _isLoggingIn = false;
+          _loginError = context.l10n.login_failedMessage;
         });
-        ScaffoldMessenger.of(context).showSnackBar(
-          SnackBar(
-            content: Text(context.l10n.login_failed(e.toString())),
-            backgroundColor: Colors.red,
-          ),
-        );
       }
     }
   }
@@ -271,6 +274,25 @@ class _RepeaterLoginDialogState extends State<RepeaterLoginDialog> {
                   style: const TextStyle(fontSize: 14),
                 ),
                 const SizedBox(height: 16),
+                if (_loginError != null) ...[
+                  Row(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      Icon(Icons.error, size: 18, color: Theme.of(context).colorScheme.error),
+                      const SizedBox(width: 8),
+                      Expanded(
+                        child: Text(
+                          _loginError!,
+                          style: TextStyle(
+                            color: Theme.of(context).colorScheme.error,
+                            fontSize: 13,
+                          ),
+                        ),
+                      ),
+                    ],
+                  ),
+                  const SizedBox(height: 12),
+                ],
                 TextField(
                   controller: _passwordController,
                   obscureText: _obscurePassword,
@@ -292,6 +314,13 @@ class _RepeaterLoginDialogState extends State<RepeaterLoginDialog> {
                       },
                     ),
                   ),
+                  onChanged: (_) {
+                    if (_loginError != null && mounted) {
+                      setState(() {
+                        _loginError = null;
+                      });
+                    }
+                  },
                   onSubmitted: (_) => _handleLogin(),
                   autofocus: _passwordController.text.isEmpty,
                 ),