validação entre professor e aluno, criação de placeholder para a tela de professores e mudanças na firebase

docs/PROJECT_PROGRESS.md

@@ -1,292 +1,590 @@
 # 📊 Project Progress - AI Study Assistant
 
+
+
 ---
 
+
+
 ## 🎯 OVERVIEW
 
+
+
 This document tracks the overall progress of the AI Study Assistant project development. Updated in real-time as features are implemented.
 
+
+
 ---
 
+
+
 ## 📈 CURRENT STATUS
 
+
+
 ### **Overall Progress: 65% Complete**
 
+
+
 - ✅ **Foundation:** 100% Complete
+
 - ✅ **UI/UX:** 90% Complete  
+
 - ✅ **Internationalization:** 100% Complete
+
 - ⏳ **Authentication:** 20% Complete
+
 - ⏳ **Core Features:** 0% Complete
+
 - ⏳ **Backend Integration:** 0% Complete
 
+
+
 ---
 
+
+
 ## ✅ COMPLETED FEATURES
 
+
+
 ### **🏗️ Project Foundation (100%)**
+
 - [x] Flutter project structure setup
+
 - [x] Core theme and color system
+
 - [x] Navigation system (GoRouter)
+
 - [x] Asset management
+
 - [x] Development environment configuration
 
-### **🎨 UI/UX Components (90%)**
+
+
+### **🎨 UI/UX Components (95%)**
+
 - [x] Splash screen with animations
+
 - [x] Login page with improved design
+
 - [x] Role selection page (student/teacher)
+
 - [x] Dynamic background effects
+
 - [x] Responsive animations
+
 - [x] Dark/light theme support
+
 - [ ] Signup page (needs update)
-- [ ] Dashboard pages (placeholder)
+
+- [x] Dashboard pages (fixed overflow issue)
+
+
 
 ### **🌍 Internationalization (100%)**
+
 - [x] Portuguese (Portugal) as primary language
+
 - [x] English fallback support
+
 - [x] Localization system setup
+
 - [x] All UI text localized
+
 - [x] Language policy documentation
 
+
+
 ### **🔧 Development Setup (100%)**
+
 - [x] Flutter SDK configuration
+
 - [x] Device deployment (Samsung S928B)
+
 - [x] Hot reload functionality
+
 - [x] Debug tools setup
+
 - [x] Code structure standards
 
+
+
 ---
 
+
+
 ## 🚧 IN PROGRESS
 
+
+
 ### **📱 Authentication System (20%)**
+
 - [x] Login UI implementation
+
 - [x] Form validation
+
 - [x] Navigation flow
+
 - [ ] Firebase integration
+
 - [ ] Real authentication logic
+
 - [ ] Token management
+
 - [ ] Session persistence
 
+
+
 ### **📝 Signup Page (0%)**
+
 - [ ] Update signup page design
+
 - [ ] Portuguese localization
+
 - [ ] Improved animations
+
 - [ ] Form validation
+
 - [ ] Role-based signup
+
 - [ ] Terms and conditions
 
+
+
 ---
 
+
+
 ## ⏳ PENDING FEATURES
 
+
+
 ### **🤖 AI Tutor System (0%)**
+
 - [ ] Chat interface design
+
 - [ ] AI integration setup
+
 - [ ] Message handling
+
 - [ ] Response formatting
+
 - [ ] Conversation history
+
 - [ ] Voice input support
 
+
+
 ### **📝 Quiz System (0%)**
+
 - [ ] Quiz creation interface
+
 - [ ] Question types implementation
+
 - [ ] Scoring system
+
 - [ ] Progress tracking
+
 - [ ] Results display
+
 - [ ] Quiz categories
 
+
+
 ### **📊 Dashboard System (0%)**
+
 - [ ] Student dashboard
+
 - [ ] Teacher dashboard
+
 - [ ] Analytics display
+
 - [ ] Progress charts
+
 - [ ] Performance metrics
+
 - [ ] Quick actions
 
+
+
 ### **🔍 RAG Engine (0%)**
+
 - [ ] Vector database setup
+
 - [ ] Document processing
+
 - [ ] Search implementation
+
 - [ ] Context retrieval
+
 - [ ] Answer generation
+
 - [ ] Performance optimization
 
+
+
 ### **📈 Analytics System (0%)**
+
 - [ ] Learning progress tracking
+
 - [ ] Usage statistics
+
 - [ ] Performance metrics
+
 - [ ] Export functionality
+
 - [ ] Reporting dashboard
+
 - [ ] Data visualization
 
+
+
 ---
 
+
+
 ## 🎯 CURRENT SPRINT
 
+
+
 ### **Sprint 3: Authentication & Signup (In Progress)**
+
 **Duration:** Current Week
+
 **Goal:** Complete authentication flow
 
+
+
 #### **Tasks:**
+
 - [x] Fix login page design issues
+
 - [x] Improve animations and background
+
 - [x] Update language policy documentation
+
 - [ ] Update signup page with Portuguese
+
 - [ ] Implement Firebase authentication
+
 - [ ] Add role-based routing
 
+
+
 #### **Progress:** 60% Complete
 
+
+
 ---
 
+
+
 ## 📅 RELEASE ROADMAP
 
+
+
 ### **Version 1.0 - MVP (Target: 2 Weeks)**
+
 - ✅ Basic UI/UX
+
 - ✅ Internationalization
+
 - ✅ Navigation flow
+
 - ⏳ Complete authentication
+
 - ⏳ Basic dashboard
+
 - ⏳ Simple quiz system
 
+
+
 ### **Version 1.1 - Enhanced Features (Target: 4 Weeks)**
+
 - ⏳ AI tutor integration
+
 - ⏳ Advanced quiz features
+
 - ⏳ Analytics dashboard
+
 - ⏳ Performance improvements
 
+
+
 ### **Version 2.0 - Full Platform (Target: 8 Weeks)**
+
 - ⏳ Complete RAG engine
+
 - ⏳ Advanced analytics
+
 - ⏳ Teacher tools
+
 - ⏳ Content management
+
 - ⏳ Mobile optimizations
 
+
+
 ---
 
+
+
 ## 🐛 KNOWN ISSUES
 
+
+
 ### **Critical Issues (0)**
+
 - None currently
 
+
+
 ### **Minor Issues (1)**
+
 - [ ] Signup page needs design update
+
 - [ ] Some animations could be optimized
 
+
+
 ### **Technical Debt (2)**
+
 - [ ] Add comprehensive error handling
+
 - [ ] Implement proper logging system
+
 - [ ] Add unit tests
+
 - [ ] Optimize bundle size
 
+
+
 ---
 
+
+
 ## 📊 METRICS
 
+
+
 ### **Development Metrics:**
+
 - **Total Files:** 45+ Dart files
+
 - **Lines of Code:** ~3,000+ lines
+
 - **Dependencies:** 25+ packages
+
 - **Build Time:** ~15 seconds
+
 - **App Size:** ~25MB (debug)
 
+
+
 ### **Quality Metrics:**
+
 - **Code Coverage:** 0% (needs testing)
+
 - **Lint Issues:** 0 critical
+
 - **Performance:** Good
+
 - **Accessibility:** Partially compliant
 
+
+
 ---
 
+
+
 ## 🔄 RECENT CHANGES
 
+
+
 ### **Last 24 Hours:**
+
+- ✅ Fixed dashboard overflow issue in QuickAccessWidget
+
+- ✅ Implemented responsive layout with IntrinsicHeight and Flexible
+
+- ✅ Replaced fixed heights with constraints (minHeight: 135, maxHeight: 160)
+
 - ✅ Fixed login page animations
+
 - ✅ Added dynamic background effects
+
 - ✅ Updated language policy
+
 - ✅ Improved text visibility
+
 - ✅ Created progress documentation
 
+
+
 ### **Last Week:**
+
 - ✅ Implemented role selection page
+
 - ✅ Added Portuguese localization
+
 - ✅ Fixed navigation flow
+
 - ✅ Improved splash screen
+
 - ✅ Setup internationalization
 
+
+
 ---
 
+
+
 ## 🎯 NEXT PRIORITIES
 
+
+
 ### **Immediate (This Week):**
+
 1. **Update signup page** with Portuguese and improved design
+
 2. **Implement Firebase authentication** for real login
+
 3. **Add role-based routing** after login
+
 4. **Create basic dashboard** placeholder
 
+
+
 ### **Short Term (Next 2 Weeks):**
+
 1. **Complete authentication system**
+
 2. **Build student dashboard**
+
 3. **Implement basic quiz system**
+
 4. **Add analytics tracking**
 
+
+
 ### **Medium Term (Next Month):**
+
 1. **Integrate AI tutor**
+
 2. **Build teacher dashboard**
+
 3. **Implement RAG engine**
+
 4. **Add comprehensive testing**
 
+
+
 ---
 
+
+
 ## 📱 DEVICE COMPATIBILITY
 
+
+
 ### **Tested Devices:**
+
 - ✅ **Samsung S928B (Android 16)** - Primary testing device
+
 - ✅ **Windows Desktop** - Development environment
+
 - ✅ **Chrome Browser** - Web testing
+
 - ⏳ **iOS Devices** - Pending testing
+
 - ⏳ **Other Android** - Pending testing
 
+
+
 ### **Performance:**
+
 - **Startup Time:** ~3 seconds
+
 - **Navigation Speed:** Fast
+
 - **Animation Performance:** Smooth (60fps)
+
 - **Memory Usage:** ~150MB
 
+
+
 ---
 
+
+
 ## 🎉 ACHIEVEMENTS
 
+
+
 ### **Milestones Reached:**
+
 - ✅ **Project Kickoff** - Complete
+
 - ✅ **UI/UX Foundation** - Complete
+
 - ✅ **Internationalization** - Complete
+
 - ✅ **Device Deployment** - Complete
+
 - ✅ **User Testing Ready** - Complete
 
+
+
 ### **Technical Achievements:**
+
 - ✅ Successfully deployed to Samsung device
+
 - ✅ Implemented complex animations
+
 - ✅ Created scalable architecture
+
 - ✅ Established development workflow
+
 - ✅ Set up quality standards
 
+
+
 ---
 
+
+
 ## 📞 TEAM STATUS
 
+
+
 ### **Current Team:**
+
 - **Developer:** Active
+
 - **Testing:** In Progress
+
 - **Documentation:** Up to Date
+
 - **Quality Assurance:** Active
 
+
+
 ---
 
+
+
 **📊 Last Updated: 2024-05-06 21:43**
+
 **🔄 Auto-Update: Enabled**
+
 **📈 Progress Tracking: Real-time**
 
+
+
 ---
 
+
+
 *This document is automatically updated as development progresses. Check back regularly for the latest status.*
+

lib/core/routing/app_router.dart

@@ -54,13 +54,19 @@ class AppRouter {
       GoRoute(
         path: login,
         name: 'login',
-        builder: (context, state) => const LoginPage(),
+        builder: (context, state) {
+          final selectedRole = state.uri.queryParameters['role'];
+          return LoginPage(selectedRole: selectedRole);
+        },
       ),
 
       GoRoute(
         path: signup,
         name: 'signup',
-        builder: (context, state) => const SignupPage(),
+        builder: (context, state) {
+          final selectedRole = state.uri.queryParameters['role'];
+          return SignupPage(selectedRole: selectedRole);
+        },
       ),
 
       // Dashboard Routes

lib/core/services/auth_service.dart

@@ -1,15 +1,50 @@
 import 'package:firebase_auth/firebase_auth.dart';
+import 'package:cloud_firestore/cloud_firestore.dart';
 import 'session_service.dart';
 
 /// Service for handling Firebase Authentication
 class AuthService {
   static final FirebaseAuth _auth = FirebaseAuth.instance;
+  static final FirebaseFirestore _firestore = FirebaseFirestore.instance;
 
   /// Get current user
   static User? get currentUser {
     return _auth.currentUser;
   }
 
+  /// Criar documento do usuário na Firestore após signup
+  static Future<void> createUserRole(String uid, String role) async {
+    try {
+      print('DEBUG: Criando documento users/$uid com role: $role');
+      await _firestore.collection('users').doc(uid).set({
+        'role': role,
+        'createdAt': FieldValue.serverTimestamp(),
+      });
+      print('DEBUG: Documento criado com sucesso');
+    } catch (e) {
+      print('DEBUG: Erro ao criar documento: $e');
+      throw Exception('Erro ao criar perfil do usuário');
+    }
+  }
+
+  /// Ler role do usuário na Firestore
+  static Future<String?> getUserRole(String uid) async {
+    try {
+      print('DEBUG: Lendo documento users/$uid');
+      final doc = await _firestore.collection('users').doc(uid).get();
+      if (doc.exists) {
+        final role = doc.data()?['role'] as String?;
+        print('DEBUG: Role encontrado: $role');
+        return role;
+      }
+      print('DEBUG: Documento não existe');
+      return null;
+    } catch (e) {
+      print('DEBUG: Erro ao ler documento: $e');
+      return null;
+    }
+  }
+
   /// Get auth state changes stream
   static Stream<User?> get authStateChanges {
     return _auth.authStateChanges();
@@ -41,10 +76,9 @@ class AuthService {
         print('DEBUG: Display name atualizado para: $displayName');
       }
 
-      // Store user role in custom claims or Firestore (simplified for now)
+      // Criar documento na Firestore com role
-      if (role != null) {
+      if (role != null && result.user != null) {
-        print('DEBUG: Papel do usuário: $role');
+        await createUserRole(result.user!.uid, role);
-        // TODO: Store role in Firestore for future use
       }
 
       // Verificar se o email foi verificado

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

@@ -7,7 +7,9 @@ import '../../../../core/services/session_service.dart';
 import '../../../../shared/presentation/widgets/custom_notification.dart';
 
 class LoginPage extends StatefulWidget {
-  const LoginPage({super.key});
+  final String? selectedRole;
+
+  const LoginPage({super.key, this.selectedRole});
 
   @override
   State<LoginPage> createState() => _LoginPageState();
@@ -62,12 +64,41 @@ class _LoginPageState extends State<LoginPage> {
         print('DEBUG: Iniciando processo de login para: $email');
 
         // Attempt login with Firebase
-        await AuthService.signInWithEmailAndPassword(
+        final result = await AuthService.signInWithEmailAndPassword(
           email: email,
           password: password,
         );
 
-        print('DEBUG: Login Firebase bem-sucedido, salvando sessão');
+        print('DEBUG: Login Firebase bem-sucedido');
+        print('DEBUG: Role selecionado na tela anterior: ${widget.selectedRole}');
+
+        // Ler role na Firestore
+        final uid = result?.user?.uid;
+        if (uid == null) throw Exception('Erro ao obter UID');
+
+        final actualRole = await AuthService.getUserRole(uid);
+        print('DEBUG: Role real do usuário na Firestore: $actualRole');
+
+        // Validar se o role selecionado corresponde ao role real
+        final selectedRole = widget.selectedRole;
+        if (selectedRole != null && actualRole != null && selectedRole != actualRole) {
+          // Role não corresponde - mostrar erro
+          setState(() {
+            _isLoading = false;
+          });
+
+          String errorMessage;
+          if (selectedRole == 'teacher' && actualRole == 'student') {
+            errorMessage = 'Este email está registado como Aluno. Não pode aceder à área de Professores.';
+          } else if (selectedRole == 'student' && actualRole == 'teacher') {
+            errorMessage = 'Este email está registado como Professor. Não pode aceder à área de Alunos.';
+          } else {
+            errorMessage = 'O tipo de utilizador selecionado não corresponde ao perfil registado.';
+          }
+
+          _showRoleErrorDialog('Acesso Negado', errorMessage);
+          return;
+        }
 
         // Save session based on remember me preference
         await SessionService.saveSession(
@@ -76,9 +107,6 @@ class _LoginPageState extends State<LoginPage> {
           displayName: AuthService.currentUser?.displayName,
         );
 
-        print('DEBUG: Sessão salva, navegando para dashboard');
-
-        // Navigate to student dashboard after successful login
         if (mounted) {
           setState(() {
             _isLoading = false;
@@ -90,7 +118,12 @@ class _LoginPageState extends State<LoginPage> {
             message: 'Login realizado com sucesso!',
           );
 
-          context.go('/student-dashboard');
+          // Redirecionar baseado no role real
+          if (actualRole == 'teacher') {
+            context.go('/teacher-dashboard');
+          } else {
+            context.go('/student-dashboard');
+          }
         }
       } catch (e) {
         print('DEBUG: Erro no login: $e');
@@ -110,6 +143,41 @@ class _LoginPageState extends State<LoginPage> {
     }
   }
 
+  void _showRoleErrorDialog(String title, String message) {
+    showDialog(
+      context: context,
+      barrierDismissible: false,
+      builder: (BuildContext context) {
+        return AlertDialog(
+          title: Text(
+            title,
+            style: const TextStyle(
+              color: Color(0xFF2D3748),
+              fontWeight: FontWeight.bold,
+            ),
+          ),
+          content: Text(
+            message,
+            style: const TextStyle(color: Color(0xFF2D3748)),
+          ),
+          actions: [
+            TextButton(
+              onPressed: () {
+                Navigator.of(context).pop();
+                // Fazer logout para limpar a sessão
+                AuthService.signOut();
+              },
+              child: const Text(
+                'Voltar',
+                style: TextStyle(color: Color(0xFF82C9BD)),
+              ),
+            ),
+          ],
+        );
+      },
+    );
+  }
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(

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

@@ -278,6 +278,28 @@ class _RoleSelectionPageState extends State<RoleSelectionPage> {
                         ),
 
                     const SizedBox(height: 32),
+
+                    // Login link
+                    GestureDetector(
+                      onTap: _selectedRole != null ? _handleGoToLogin : null,
+                      child: Text(
+                        'Já tenho conta',
+                        style: TextStyle(
+                          color: _selectedRole != null
+                              ? AppColors.primaryBlue
+                              : Colors.grey,
+                          fontWeight: FontWeight.w500,
+                          decoration: TextDecoration.underline,
+                        ),
+                      ),
+                    )
+                        .animate()
+                        .fadeIn(
+                      duration: const Duration(milliseconds: 800),
+                      delay: const Duration(milliseconds: 1400),
+                    ),
+
+                    const SizedBox(height: 32),
                   ],
                 ),
               ),
@@ -288,6 +310,12 @@ class _RoleSelectionPageState extends State<RoleSelectionPage> {
     );
   }
 
+  void _handleGoToLogin() {
+    if (_selectedRole != null) {
+      context.go('/login?role=$_selectedRole');
+    }
+  }
+
   Widget _buildRoleCard(
     BuildContext context,
     String title,

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

@@ -6,7 +6,9 @@ import '../../../../core/services/auth_service.dart';
 import '../../../../shared/presentation/widgets/custom_notification.dart';
 
 class SignupPage extends StatefulWidget {
-  const SignupPage({super.key});
+  final String? selectedRole;
+
+  const SignupPage({super.key, this.selectedRole});
 
   @override
   State<SignupPage> createState() => _SignupPageState();
@@ -19,7 +21,14 @@ class _SignupPageState extends State<SignupPage> {
   final _passwordController = TextEditingController();
   bool _isLoading = false;
   bool _obscurePassword = true;
-  String _selectedRole = 'student'; // 'student' or 'teacher'
+  late String _selectedRole;
+
+  @override
+  void initState() {
+    super.initState();
+    // Usar role passado da tela anterior ou default 'student'
+    _selectedRole = widget.selectedRole ?? 'student';
+  }
 
   @override
   void dispose() {
@@ -338,61 +347,6 @@ class _SignupPageState extends State<SignupPage> {
                               return null;
                             },
                           ),
-                          const SizedBox(height: 16),
-
-                          // Role selection
-                          Column(
-                            crossAxisAlignment: CrossAxisAlignment.start,
-                            children: [
-                              const Text(
-                                'Eu sou:',
-                                style: TextStyle(
-                                  color: Color(0xFF2D3748),
-                                  fontSize: 16,
-                                  fontWeight: FontWeight.w500,
-                                ),
-                              ),
-                              const SizedBox(height: 8),
-                              Row(
-                                children: [
-                                  Expanded(
-                                    child: RadioListTile<String>(
-                                      title: const Text(
-                                        'Aluno',
-                                        style: TextStyle(fontSize: 14),
-                                      ),
-                                      value: 'student',
-                                      groupValue: _selectedRole,
-                                      onChanged: (String? value) {
-                                        setState(() {
-                                          _selectedRole = value!;
-                                        });
-                                      },
-                                      activeColor: const Color(0xFF82C9BD),
-                                      contentPadding: EdgeInsets.zero,
-                                    ),
-                                  ),
-                                  Expanded(
-                                    child: RadioListTile<String>(
-                                      title: const Text(
-                                        'Professor',
-                                        style: TextStyle(fontSize: 14),
-                                      ),
-                                      value: 'teacher',
-                                      groupValue: _selectedRole,
-                                      onChanged: (String? value) {
-                                        setState(() {
-                                          _selectedRole = value!;
-                                        });
-                                      },
-                                      activeColor: const Color(0xFF82C9BD),
-                                      contentPadding: EdgeInsets.zero,
-                                    ),
-                                  ),
-                                ],
-                              ),
-                            ],
-                          ),
                           const SizedBox(height: 24),
 
                           // Signup button
@@ -434,7 +388,7 @@ class _SignupPageState extends State<SignupPage> {
                           // Login link
                           GestureDetector(
                             onTap: () {
-                              context.go('/login');
+                              context.go('/login?role=$_selectedRole');
                             },
                             child: Text(
                               'Já tem conta? Entrar aqui',