EditProfileScreen

void _loadUserData() async {
  User? user = _auth.currentUser;
  if (user != null) {
    DocumentSnapshot userProfile =
        await _firestore.collection('users').doc(user.uid).get();
    _nameController.text = userProfile['name'] ?? '';
    _surnameController.text = userProfile['surname'] ?? '';
    _emailController.text = user.email ?? '';
    
    final data = userProfile.data() as Map<String, dynamic>?;
    if (data != null && data.containsKey('photoUrl')) {
      _photoUrl = data['photoUrl'];
    }
    
    setState(() {});
  }
}

Future<void> _pickImage() async {
  final picker = ImagePicker();
  final pickedFile = await picker.pickImage(source: ImageSource.gallery);
  if (pickedFile != null) {
    setState(() {
      _profileImage = File(pickedFile.path);
    });
  }
}

void _updateProfile() async {
  User? user = _auth.currentUser;
  if (user != null) {
    try {
      // Reauthentication if password provided
      if (_passwordController.text.isNotEmpty) {
        final credential = EmailAuthProvider.credential(
          email: user.email!,
          password: _passwordController.text,
        );
        await user.reauthenticateWithCredential(credential);
      }

      // Update email if changed
      if (_emailController.text != user.email) {
        await user.updateEmail(_emailController.text);
      }

      // Upload new profile image if selected
      if (_profileImage != null) {
        final storageRef = _storage.ref().child('profile_images/${user.uid}');
        await storageRef.putFile(_profileImage!);
        _photoUrl = await storageRef.getDownloadURL();
      }

      // Update Firestore document
      await _firestore.collection('users').doc(user.uid).update({
        'name': _nameController.text,
        'surname': _surnameController.text,
        'photoUrl': _photoUrl,
      });

      if (mounted) {
        ScaffoldMessenger.of(context).showSnackBar(
          const SnackBar(content: Text('Perfil actualizado exitosamente')),
        );
      }
    } catch (e) {
      logger.e('Error updating profile: $e');
      if (mounted) {
        ScaffoldMessenger.of(context).showSnackBar(
          SnackBar(content: Text('Error: $e')),
        );
      }
    }
  }
}