app mobile allarmi prima

lib/services/auth_service.dart

@@ -0,0 +1,76 @@
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'dart:convert';
+import '../models/user.dart';
+import '../utils/constants.dart';
+import 'api_service.dart';
+
+class AuthService {
+  static final AuthService _instance = AuthService._internal();
+  factory AuthService() => _instance;
+  AuthService._internal();
+
+  final _storage = const FlutterSecureStorage();
+  final _apiService = ApiService();
+
+  User? _currentUser;
+  User? get currentUser => _currentUser;
+  bool get isAuthenticated => _currentUser != null;
+
+  Future<bool> login(String email, String password) async {
+    try {
+      final response = await _apiService.login(email, password);
+      final token = response['access_token'] as String;
+
+      await _storage.write(key: AppConstants.storageKeyToken, value: token);
+      _apiService.setAuthToken(token);
+
+      _currentUser = await _apiService.getCurrentUser();
+
+      final prefs = await SharedPreferences.getInstance();
+      await prefs.setString(
+        AppConstants.storageKeyUser,
+        json.encode(_currentUser!.toJson()),
+      );
+
+      return true;
+    } catch (e) {
+      print('Login error: $e');
+      return false;
+    }
+  }
+
+  Future<bool> autoLogin() async {
+    try {
+      final token = await _storage.read(key: AppConstants.storageKeyToken);
+      if (token == null) return false;
+
+      _apiService.setAuthToken(token);
+      _currentUser = await _apiService.getCurrentUser();
+      return true;
+    } catch (e) {
+      print('Auto login error: $e');
+      await logout();
+      return false;
+    }
+  }
+
+  Future<void> logout() async {
+    _currentUser = null;
+    _apiService.clearAuthToken();
+    await _storage.delete(key: AppConstants.storageKeyToken);
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.remove(AppConstants.storageKeyUser);
+    await prefs.remove(AppConstants.storageKeyFcmToken);
+  }
+
+  Future<void> saveFcmToken(String fcmToken) async {
+    try {
+      await _apiService.registerFcmToken(fcmToken);
+      final prefs = await SharedPreferences.getInstance();
+      await prefs.setString(AppConstants.storageKeyFcmToken, fcmToken);
+    } catch (e) {
+      print('Error saving FCM token: $e');
+    }
+  }
+}