Authentication Failure with Supabase/Google OAuth #101

README.md

@@ -193,6 +193,10 @@ Replace placeholders with actual values from **Supabase** and **Google Cloud Con
     - Professional certifications
     - Background verification
 - Admin approval process before full platform access
+### Troubleshooting
+- **Flutter run fails with "Supabase not initialized"**: Ensure `.env` file exists in `patient/` and `therapist/` with correct `SUPABASE_URL` and `SUPABASE_ANON_KEY`.
+- **Google OAuth redirect fails**: Double-check the redirect URI in Google Cloud Console matches `https://your-project-id.supabase.co/auth/v1/callback`.
+- **Dependencies not found**: Run `flutter pub get` in both `patient/` and `therapist/` directories.
 
 ### Patient Management
 

patient/lib/main.dart

@@ -8,29 +8,31 @@ import 'package:patient/provider/appointments_provider.dart';
 import 'package:patient/provider/assessment_provider.dart';
 import 'package:patient/provider/auth_provider.dart';
 import 'package:patient/repository/supabase_auth_repository.dart';
-
 import 'package:patient/provider/reports_provider.dart';
-
+import 'package:patient/provider/task_provider.dart';
 import 'package:provider/provider.dart';
 import 'package:supabase_flutter/supabase_flutter.dart';
 
-
-
-import 'core/theme/theme.dart';
-import 'presentation/splash_screen.dart';
-import 'provider/assessment_provider.dart';
-
-import 'provider/task_provider.dart';
-
-
 Future<void> main() async {
   WidgetsFlutterBinding.ensureInitialized();
+
+  // Load environment variables from .env file
   await dotenv.load(fileName: ".env");
+
+  // Validate that Supabase credentials are present
+  final supabaseUrl = dotenv.env['SUPABASE_URL'];
+  final supabaseAnonKey = dotenv.env['SUPABASE_ANON_KEY'];
+  if (supabaseUrl == null || supabaseAnonKey == null) {
+    throw Exception('Supabase URL or Anon Key missing in .env file');
+  }
+
+  // Initialize Supabase
   await Supabase.initialize(
-    url: dotenv.env['SUPABASE_URL']!,
-    anonKey: dotenv.env['SUPABASE_ANON_KEY']!,
+    url: supabaseUrl,
+    anonKey: supabaseAnonKey,
   );
 
+  // Set system UI overlay style
   SystemChrome.setSystemUIOverlayStyle(
     const SystemUiOverlayStyle(
       statusBarColor: Colors.white,
@@ -53,7 +55,7 @@ Future<void> main() async {
         ),
         ChangeNotifierProvider(create: (_) => ReportsProvider()),
         ChangeNotifierProvider(create: (_) => TaskProvider()),
-        ChangeNotifierProvider(create: (_) => AppointmentsProvider())
+        ChangeNotifierProvider(create: (_) => AppointmentsProvider()),
       ],
       child: const MyApp(),
     ),
@@ -66,10 +68,16 @@ class MyApp extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
-        scaffoldMessengerKey: SnackbarService.scaffoldMessengerKey,
-        debugShowCheckedModeBanner: false,
-        title: 'Patient App',
-        theme: AppTheme.lightTheme(),
-        home: const SplashScreen());
+      scaffoldMessengerKey: SnackbarService.scaffoldMessengerKey, // Global key for SnackBar
+      debugShowCheckedModeBanner: false,
+      title: 'Patient App',
+      theme: AppTheme.lightTheme(),
+      home: const SplashScreen(),
+      // Define named routes if needed (e.g., for navigation after onboarding)
+      routes: {
+        '/home': (context) => const Placeholder(), // Replace with actual home screen
+        '/login': (context) => const Placeholder(), // Replace with actual login screen
+      },
+    );
   }
 }

patient/lib/onboarding_screen.dart

@@ -0,0 +1,43 @@
+class SplashScreen extends StatefulWidget {
+  const SplashScreen({super.key});
+
+  @override
+  _SplashScreenState createState() => _SplashScreenState();
+}
+
+class _SplashScreenState extends State<SplashScreen> {
+  @override
+  void initState() {
+    super.initState();
+    _checkUserStatus();
+  }
+
+  Future<void> _checkUserStatus() async {
+    final authProvider = Provider.of<AuthProvider>(context, listen: false);
+    await Future.delayed(const Duration(seconds: 2)); // Simulate splash delay
+    if (authProvider.isAuthenticated) {
+      final profile = await Supabase.instance.client
+          .from('profiles')
+          .select()
+          .eq('user_id', authProvider.user!.id)
+          .maybeSingle();
+      if (profile == null) {
+        Navigator.pushReplacement(
+          context,
+          MaterialPageRoute(builder: (_) => const OnboardingScreen()),
+        );
+      } else {
+        Navigator.pushReplacementNamed(context, '/home');
+      }
+    } else {
+      Navigator.pushReplacementNamed(context, '/login');
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return const Scaffold(
+      body: Center(child: Text('NeuroTrack')),
+    );
+  }
+}

supabase/scripts/.env.example

@@ -1,3 +1,4 @@
 SUPABASE_URL="your-supabase-url"
 SUPABASE_KEY="your-supabase-key"
-
+GOOGLE_WEB_CLIENT_ID="your_web_client_id"
+GOOGLE_SECRET_KEY="your_secret_key"