language_cubit.dart

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import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:shared_preferences/shared_preferences.dart';
 
// States
abstract class LanguageState {}
 
class LanguageInitial extends LanguageState {}
 
class LanguageLoaded extends LanguageState {
  final Locale locale;
  final String languageCode;
  
  LanguageLoaded(this.locale) : languageCode = locale.languageCode;
}
 
// Cubit
class LanguageCubit extends Cubit<LanguageState> {
  LanguageCubit() : super(LanguageInitial()) {
    loadSavedLanguage();
  }
 
  static const String LANGUAGE_CODE = 'languageCode';
 
  void loadSavedLanguage() async {
    final prefs = await SharedPreferences.getInstance();
    final String languageCode = prefs.getString(LANGUAGE_CODE) ?? 'en';
    emit(LanguageLoaded(Locale(languageCode)));
  }
 
  void changeLanguage(String languageCode) async {
    final prefs = await SharedPreferences.getInstance();
    await prefs.setString(LANGUAGE_CODE, languageCode);
    emit(LanguageLoaded(Locale(languageCode)));
  }
 
  void toggleLanguage() async {
    if (state is LanguageLoaded) {
      final currentLocale = (state as LanguageLoaded).locale;
      final newLanguageCode = currentLocale.languageCode == 'en' ? 'ar' : 'en';
      changeLanguage(newLanguageCode);
    }
  }
}