theme work

lib/theme/theme_bloc.dart

@@ -1,17 +1,30 @@
+import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:equatable/equatable.dart';
+import 'package:flux/data/enums.dart';
+import 'package:get_it/get_it.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 
 part 'theme_events.dart';
 part 'theme_state.dart';
 
 class ThemeBloc extends Bloc<ThemeEvent, ThemeState> {
-  final AppTheme initialAppTheme;
-  ThemeBloc({required this.initialAppTheme})
-    : super(
-        ThemeState(status: ThemeStatus.success, appTheme: initialAppTheme),
-      ) {
+  static const String _savedThemeKey = "themeModeSetting";
+  final SharedPreferences _prefs = GetIt.I.get<SharedPreferences>();
+  ThemeBloc() : super(ThemeState(themeMode: ThemeMode.system)) {
+    on<LoadThemeEvent>((event, emit) {
+      String savedTheme = _prefs.getString(_savedThemeKey) ?? 'system';
+      emit(
+        state.copyWith(
+          themeMode: AppThemeMode.values
+              .firstWhere((test) => test.value == savedTheme)
+              .themeMode,
+        ),
+      );
+    });
     on<ChangeThemeEvent>((event, emit) async {
-      emit(state.copyWith(appTheme: event.appTheme));
+      await _prefs.setString(_savedThemeKey, event.appThemeMode.value);
+      emit(state.copyWith(themeMode: event.appThemeMode.themeMode));
     });
   }
 }