From 7adfee6f3e1ae71adfbca50e56cd50662ae190a3 Mon Sep 17 00:00:00 2001
From: Eduardo Azevedo <eduardoazvd17@gmail.com>
Date: Tue, 5 Dec 2023 23:21:28 -0300
Subject: [PATCH] Adding default option to lang

---
 lib/src/core/data/enums/supported_languages.dart         | 7 +++++--
 .../core/presentation/controllers/app_controller.dart    | 9 +++++++--
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/lib/src/core/data/enums/supported_languages.dart b/lib/src/core/data/enums/supported_languages.dart
index c3c2f1f..dba6301 100644
--- a/lib/src/core/data/enums/supported_languages.dart
+++ b/lib/src/core/data/enums/supported_languages.dart
@@ -1,8 +1,8 @@
 import 'package:flutter/cupertino.dart';
-import 'package:flutter/material.dart';
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 
 enum SupportedLanguages {
+  system,
   english,
   portuguese,
 }
@@ -10,6 +10,7 @@ enum SupportedLanguages {
 extension SupportedLanguagesExtension on SupportedLanguages {
   Widget get icon {
     return switch (this) {
+      SupportedLanguages.system => const Icon(CupertinoIcons.settings),
       SupportedLanguages.english => Image.asset(
           'assets/icons/languages/en.png',
           width: 24,
@@ -23,13 +24,15 @@ extension SupportedLanguagesExtension on SupportedLanguages {
 
   String title(BuildContext context) {
     return switch (this) {
+      SupportedLanguages.system => AppLocalizations.of(context)!.system,
       SupportedLanguages.english => AppLocalizations.of(context)!.english,
       SupportedLanguages.portuguese => AppLocalizations.of(context)!.portuguese,
     };
   }
 
-  Locale get locale {
+  Locale? get locale {
     return switch (this) {
+      SupportedLanguages.system => null,
       SupportedLanguages.english => const Locale('en'),
       SupportedLanguages.portuguese => const Locale('pt'),
     };
diff --git a/lib/src/core/presentation/controllers/app_controller.dart b/lib/src/core/presentation/controllers/app_controller.dart
index e868c28..0b9920d 100644
--- a/lib/src/core/presentation/controllers/app_controller.dart
+++ b/lib/src/core/presentation/controllers/app_controller.dart
@@ -19,8 +19,13 @@ abstract class AppControllerBase with Store {
   SupportedLanguages? _selectedLanguage;
   SupportedLanguages? get selectedLanguage => _selectedLanguage;
   void changeLanguage(SupportedLanguages? language) {
-    _selectedLanguage = language;
-    _storage.saveLanguage(language);
+    if (language == SupportedLanguages.system) {
+      _selectedLanguage = null;
+      _storage.saveLanguage(null);
+    } else {
+      _selectedLanguage = language;
+      _storage.saveLanguage(language);
+    }
   }
 
   @observable