refactor(theme&ui): improve theme switching and navigation styling

lib/main.dart

@@ -1,24 +1,19 @@
 import 'package:firebase_core/firebase_core.dart';
 import 'package:flutter/material.dart';
-import 'package:provider/provider.dart';
+import 'package:sfm_app/product/services/theme_services.dart';
 import 'product/services/language_services.dart';
 import 'feature/main/main_bloc.dart';
 import 'product/base/bloc/base_bloc.dart';
 import 'product/constant/navigation/navigation_router.dart';
-import 'product/theme/provider/app_provider.dart';
-import 'product/theme/theme_notifier.dart';
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
   await Firebase.initializeApp();
   runApp(
-    MultiProvider(
-      providers: [...ApplicationProvider.instance.dependItems],
-      child: BlocProvider(
-        child: const MyApp(),
-        blocBuilder: () => MainBloc(),
-      ),
+    BlocProvider(
+      child: const MyApp(),
+      blocBuilder: () => MainBloc(),
     ),
   );
 }
@@ -32,17 +27,30 @@ class MyApp extends StatefulWidget {
     _MyAppState? state = context.findAncestorStateOfType<_MyAppState>();
     state?.setLocale(newLocale);
   }
+
+  static void setTheme(BuildContext context, ThemeData newTheme) {
+    _MyAppState? state = context.findAncestorStateOfType<_MyAppState>();
+    state?.setTheme(newTheme);
+  }
 }
 
 class _MyAppState extends State<MyApp> {
   Locale? _locale;
+  ThemeData? _themeData;
   late MainBloc mainBloc;
   LanguageServices languageServices = LanguageServices();
+  ThemeServices themeServices = ThemeServices();
+
   setLocale(Locale locale) {
     _locale = locale;
     mainBloc.sinkLanguage.add(_locale);
   }
 
+  setTheme(ThemeData theme) {
+    _themeData = theme;
+    mainBloc.sinkTheme.add(_themeData);
+  }
+
   @override
   void initState() {
     super.initState();
@@ -52,6 +60,7 @@ class _MyAppState extends State<MyApp> {
   @override
   void didChangeDependencies() {
     languageServices.getLocale().then((locale) => {setLocale(locale)});
+    themeServices.getTheme().then((theme) => {setTheme(theme)});
     super.didChangeDependencies();
   }
 
@@ -62,12 +71,18 @@ class _MyAppState extends State<MyApp> {
       stream: mainBloc.streamLanguage,
       initialData: _locale,
       builder: (context, languageSnapshot) {
-        return MaterialApp.router(
-          theme: context.watch<ThemeNotifier>().currentTheme,
-          routerConfig: router,
-          localizationsDelegates: AppLocalizations.localizationsDelegates,
-          supportedLocales: AppLocalizations.supportedLocales,
-          locale: languageSnapshot.data,
+        return StreamBuilder<ThemeData?>(
+          stream: mainBloc.streamTheme,
+          initialData: _themeData,
+          builder: (context, themeSnapshot) {
+            return MaterialApp.router(
+              theme: themeSnapshot.data,
+              routerConfig: router,
+              localizationsDelegates: AppLocalizations.localizationsDelegates,
+              supportedLocales: AppLocalizations.supportedLocales,
+              locale: languageSnapshot.data,
+            );
+          }
         );
       },
     );