Manter sessão e loading

lib/features/auth/presentation/pages/login_page.dart

@@ -3,6 +3,7 @@ import 'package:flutter_animate/flutter_animate.dart';
 import 'package:go_router/go_router.dart';
 import '../../../../l10n/app_localizations.dart';
 import '../../../../core/services/auth_service.dart';
+import '../../../../core/services/session_service.dart';
 import '../../../../shared/presentation/widgets/custom_notification.dart';
 
 class LoginPage extends StatefulWidget {
@@ -18,6 +19,7 @@ class _LoginPageState extends State<LoginPage> {
   final _passwordController = TextEditingController();
   bool _isLoading = false;
   bool _obscurePassword = true;
+  bool _rememberMe = false;
 
   @override
   void dispose() {
@@ -26,6 +28,26 @@ class _LoginPageState extends State<LoginPage> {
     super.dispose();
   }
 
+  @override
+  void initState() {
+    super.initState();
+    _loadSavedSession();
+  }
+
+  void _loadSavedSession() async {
+    try {
+      final sessionData = await SessionService.getCurrentSession();
+      if (sessionData['email'] != null) {
+        setState(() {
+          _emailController.text = sessionData['email'];
+          _rememberMe = sessionData['rememberMe'] ?? false;
+        });
+      }
+    } catch (e) {
+      print('DEBUG: Error loading saved session: $e');
+    }
+  }
+
   void _handleLogin() async {
     if (_formKey.currentState!.validate()) {
       setState(() {
@@ -45,7 +67,16 @@ class _LoginPageState extends State<LoginPage> {
           password: password,
         );
 
-        print('DEBUG: Login Firebase bem-sucedido, navegando para dashboard');
+        print('DEBUG: Login Firebase bem-sucedido, salvando sessão');
+
+        // Save session based on remember me preference
+        await SessionService.saveSession(
+          rememberMe: _rememberMe,
+          email: email,
+          displayName: AuthService.currentUser?.displayName,
+        );
+
+        print('DEBUG: Sessão salva, navegando para dashboard');
 
         // Navigate to student dashboard after successful login
         if (mounted) {
@@ -282,7 +313,41 @@ class _LoginPageState extends State<LoginPage> {
                               return null;
                             },
                           ),
-                          const SizedBox(height: 24),
+                          const SizedBox(height: 12),
+
+                          // Remember me checkbox
+                          Row(
+                            children: [
+                              Checkbox(
+                                value: _rememberMe,
+                                onChanged: (bool? value) {
+                                  setState(() {
+                                    _rememberMe = value ?? false;
+                                  });
+                                },
+                                activeColor: const Color(0xFF82C9BD),
+                                checkColor: Colors.white,
+                              ),
+                              GestureDetector(
+                                onTap: () {
+                                  setState(() {
+                                    _rememberMe = !_rememberMe;
+                                  });
+                                },
+                                child: Text(
+                                  'Manter sessão iniciada',
+                                  style: TextStyle(
+                                    color: const Color(0xFF2D3748),
+                                    fontSize: 14,
+                                    fontWeight: _rememberMe
+                                        ? FontWeight.w500
+                                        : FontWeight.normal,
+                                  ),
+                                ),
+                              ),
+                            ],
+                          ),
+                          const SizedBox(height: 12),
 
                           // Login button
                           SizedBox(

lib/features/splash/presentation/pages/splash_page.dart

@@ -2,6 +2,8 @@ import 'package:flutter/material.dart';
 import 'package:flutter_animate/flutter_animate.dart';
 import 'package:go_router/go_router.dart';
 import '../../../../core/theme/app_colors.dart';
+import '../../../../core/services/auth_service.dart';
+import '../../../../core/services/session_service.dart';
 import '../../../../l10n/app_localizations.dart';
 
 class SplashPage extends StatefulWidget {
@@ -15,13 +17,58 @@ class _SplashPageState extends State<SplashPage> {
   @override
   void initState() {
     super.initState();
-    _navigateToRoleSelection();
+    _checkAuthenticationAndNavigate();
   }
 
-  void _navigateToRoleSelection() async {
-    await Future.delayed(const Duration(seconds: 3));
-    if (mounted) {
-      context.go('/role-selection');
+  void _checkAuthenticationAndNavigate() async {
+    try {
+      print('DEBUG: Checking authentication state...');
+
+      // Always show splash for full 3 seconds for complete animation
+      await Future.delayed(const Duration(seconds: 3));
+
+      // Check if user is currently authenticated
+      final currentUser = AuthService.currentUser;
+
+      if (currentUser != null) {
+        print('DEBUG: User already authenticated: ${currentUser.email}');
+
+        // Update session with current user if needed
+        await SessionService.updateSessionWithCurrentUser();
+
+        // Navigate to dashboard
+        if (mounted) {
+          print('DEBUG: Navigating to student dashboard');
+          context.go('/student-dashboard');
+        }
+        return;
+      }
+
+      // Check if user should be auto-logged in
+      final sessionData = await SessionService.shouldAutoLogin();
+
+      if (sessionData['shouldAutoLogin'] == true) {
+        print('DEBUG: Auto-login available for: ${sessionData['email']}');
+
+        if (mounted) {
+          // Navigate to login page with pre-filled data
+          print('DEBUG: Navigating to login for auto-login');
+          context.go('/login');
+        }
+      } else {
+        print('DEBUG: No auto-login available, going to role selection');
+
+        if (mounted) {
+          context.go('/role-selection');
+        }
+      }
+    } catch (e) {
+      print('DEBUG: Error in authentication check: $e');
+
+      // Fallback to role selection
+      if (mounted) {
+        context.go('/role-selection');
+      }
     }
   }