hade_hoda_flutter/lib/common_ui/theme/theme_service.dart

import 'package:hadi_hoda_flutter/core/constants/my_constants.dart';
import 'package:hadi_hoda_flutter/core/utils/local_storage.dart';
import 'package:flutter/material.dart';

class ThemeService {
  static const ThemeService _i = ThemeService._internal();
  const ThemeService._internal();
  factory ThemeService() => _i;

  static void changeTheme({required ThemeMode themeMode}) {
    switch (themeMode) {
      case ThemeMode.dark:
        LocalStorage.saveData(key: MyConstants.theme, value: 'dark');
      case ThemeMode.light:
        LocalStorage.saveData(key: MyConstants.theme, value: 'light');
      default:
        LocalStorage.saveData(key: MyConstants.theme, value: 'system');
    }
  }

  static ThemeMode getTheme() {
    switch (LocalStorage.readData(key: MyConstants.theme)) {
      case 'dark':
        return ThemeMode.dark;
      case 'light':
        return ThemeMode.light;
      default:
        return ThemeMode.light;
    }
  }
}