firebase esta feita acabar o register

lib/controllers/login_controller.dart

@@ -1,6 +1,9 @@
+import 'package:firebase_auth/firebase_auth.dart';
 import 'package:flutter/material.dart';
 
 class LoginController with ChangeNotifier {
+  final FirebaseAuth _auth = FirebaseAuth.instance;
+
   final TextEditingController emailController = TextEditingController();
   final TextEditingController passwordController = TextEditingController();
   
@@ -20,26 +23,19 @@ class LoginController with ChangeNotifier {
   }
 
   String? validateEmail(String? value) {
-    if (value == null || value.isEmpty) {
-      return 'Por favor, insira o seu email';
-    }
+    if (value == null || value.isEmpty) return 'Por favor, insira o seu email';
     final emailRegex = RegExp(r'^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$');
-    if (!emailRegex.hasMatch(value)) {
-      return 'Por favor, insira um email válido';
-    }
+    if (!emailRegex.hasMatch(value)) return 'Por favor, insira um email válido';
     return null;
   }
 
   String? validatePassword(String? value) {
-    if (value == null || value.isEmpty) {
-      return 'Por favor, insira a sua password';
-    }
-    if (value.length < 6) {
-      return 'A password deve ter pelo menos 6 caracteres';
-    }
+    if (value == null || value.isEmpty) return 'Por favor, insira a sua password';
+    if (value.length < 6) return 'A password deve ter pelo menos 6 caracteres';
     return null;
   }
 
+  // --- MÉTODO PARA ENTRAR (LOGIN) ---
   Future<bool> login() async {
     _emailError = validateEmail(emailController.text);
     _passwordError = validatePassword(passwordController.text);
@@ -53,21 +49,76 @@ class LoginController with ChangeNotifier {
     notifyListeners();
 
     try {
-      await Future.delayed(const Duration(seconds: 2));
-      
+      await _auth.signInWithEmailAndPassword(
+        email: emailController.text.trim(),
+        password: passwordController.text.trim(),
+      );
       _isLoading = false;
       notifyListeners();
       return true;
-    } catch (e) {
+    } on FirebaseAuthException catch (e) {
       _isLoading = false;
-      _emailError = 'Erro no login. Tente novamente.';
+      _handleFirebaseError(e.code);
       notifyListeners();
       return false;
     }
   }
 
+  // --- MÉTODO PARA CRIAR CONTA (SIGN UP) ---
+  Future<bool> signUp() async {
+    _emailError = validateEmail(emailController.text);
+    _passwordError = validatePassword(passwordController.text);
+
+    if (_emailError != null || _passwordError != null) {
+      notifyListeners();
+      return false;
+    }
+
+    _isLoading = true;
+    notifyListeners();
+
+    try {
+      await _auth.createUserWithEmailAndPassword(
+        email: emailController.text.trim(),
+        password: passwordController.text.trim(),
+      );
+      _isLoading = false;
+      notifyListeners();
+      return true;
+    } on FirebaseAuthException catch (e) {
+      _isLoading = false;
+      _handleFirebaseError(e.code);
+      notifyListeners();
+      return false;
+    }
+  }
+
+  void _handleFirebaseError(String code) {
+    switch (code) {
+      case 'email-already-in-use':
+        _emailError = 'Este e-mail já está a ser utilizado.';
+        break;
+      case 'invalid-credential':
+        _emailError = 'E-mail ou password incorretos.';
+        break;
+      case 'user-not-found':
+        _emailError = 'Utilizador não encontrado.';
+        break;
+      case 'wrong-password':
+        _passwordError = 'Palavra-passe incorreta.';
+        break;
+      case 'weak-password':
+        _passwordError = 'A password é demasiado fraca.';
+        break;
+      default:
+        _emailError = 'Erro: $code';
+    }
+  }
+
+  @override
   void dispose() {
     emailController.dispose();
     passwordController.dispose();
+    super.dispose();
   }
 }

lib/controllers/register_controller.dart

@@ -0,0 +1,97 @@
+
+import 'package:firebase_auth/firebase_auth.dart';
+import 'package:flutter/material.dart';
+
+class RegisterController with ChangeNotifier {
+  final FirebaseAuth _auth = FirebaseAuth.instance;
+
+  final TextEditingController emailController = TextEditingController();
+  final TextEditingController passwordController = TextEditingController();
+  final TextEditingController confirmPasswordController = TextEditingController(); 
+  
+  bool _isLoading = false;
+  String? _emailError;
+  String? _passwordError;
+  String? _confirmPasswordError; // Novo!
+  String? get confirmPasswordError => _confirmPasswordError; // Novo!
+
+  bool get isLoading => _isLoading;
+  String? get emailError => _emailError;
+  String? get passwordError => _passwordError;
+
+  // Validações
+  String? validateEmail(String? value) {
+    if (value == null || value.isEmpty) return 'Por favor, insira o seu email';
+    final emailRegex = RegExp(r'^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$');
+    if (!emailRegex.hasMatch(value)) return 'Por favor, insira um email válido';
+    return null;
+  }
+
+  String? validatePassword(String? value) {
+    if (value == null || value.isEmpty) return 'Por favor, insira a sua password';
+    if (value.length < 6) return 'A password deve ter pelo menos 6 caracteres';
+    return null;
+  }
+  String? validateConfirmPassword(String? value) {
+    if (value == null || value.isEmpty) {
+      return 'Por favor, confirme a sua password';
+    }
+    if (value != passwordController.text) {
+      return 'As passwords não coincidem';
+    }
+    return null;
+  }
+  
+
+  // MÉTODO PARA CRIAR CONTA (SIGN UP)
+  Future<bool> signUp() async {
+    _emailError = validateEmail(emailController.text);
+    _passwordError = validatePassword(passwordController.text);
+    _emailError = validateEmail(emailController.text);
+    _passwordError = validatePassword(passwordController.text);
+    _confirmPasswordError = validateConfirmPassword(confirmPasswordController.text); // Valida aqui!
+
+    if (_emailError != null || _passwordError != null || _confirmPasswordError != null) {
+      notifyListeners();
+      return false;
+    }
+
+    _isLoading = true;
+    notifyListeners();
+
+    try {
+      await _auth.createUserWithEmailAndPassword(
+        email: emailController.text.trim(),
+        password: passwordController.text.trim(),
+      );
+      _isLoading = false;
+      notifyListeners();
+      return true;
+    } on FirebaseAuthException catch (e) {
+      _isLoading = false;
+      _handleFirebaseError(e.code);
+      notifyListeners();
+      return false;
+    }
+  }
+
+  void _handleFirebaseError(String code) {
+    switch (code) {
+      case 'email-already-in-use':
+        _emailError = 'Este e-mail já está a ser utilizado.';
+        break;
+      case 'weak-password':
+        _passwordError = 'A password é demasiado fraca.';
+        break;
+      default:
+        _emailError = 'Erro ao registar: $code';
+    }
+  }
+
+  @override
+  void dispose() {
+    emailController.dispose();
+    passwordController.dispose();
+    super.dispose();
+  }
+}