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LearnIT/lib/core/services/theme_service.dart

96 lines
2.6 KiB
Dart

import 'package:shared_preferences/shared_preferences.dart';
import 'package:flutter/material.dart';
import '../utils/logger.dart';
/// Service for managing app theme preferences
class ThemeService {
static const String _themeKey = 'app_theme_mode';
static const ThemeMode _defaultTheme = ThemeMode.light;
/// Get current theme mode from storage
static Future<ThemeMode> getThemeMode() async {
try {
final prefs = await SharedPreferences.getInstance();
final themeString = prefs.getString(_themeKey);
if (themeString == null) {
return _defaultTheme;
}
switch (themeString) {
case 'ThemeMode.light':
return ThemeMode.light;
case 'ThemeMode.dark':
return ThemeMode.dark;
case 'ThemeMode.system':
return ThemeMode.system;
default:
return _defaultTheme;
}
} catch (e) {
Logger.error('Error getting theme mode: $e');
return _defaultTheme;
}
}
/// Save theme mode to storage
static Future<void> setThemeMode(ThemeMode themeMode) async {
try {
final prefs = await SharedPreferences.getInstance();
await prefs.setString(_themeKey, themeMode.toString());
Logger.info('Theme mode saved: ${themeMode.toString()}');
} catch (e) {
Logger.error('Error saving theme mode: $e');
}
}
/// Get theme mode from storage (for future use)
static Future<ThemeMode> getStoredThemeMode() async {
try {
final prefs = await SharedPreferences.getInstance();
final themeString = prefs.getString(_themeKey);
if (themeString == null) {
return _defaultTheme;
}
switch (themeString) {
case 'ThemeMode.light':
return ThemeMode.light;
case 'ThemeMode.dark':
return ThemeMode.dark;
case 'ThemeMode.system':
return ThemeMode.system;
default:
return _defaultTheme;
}
} catch (e) {
Logger.error('Error getting stored theme mode: $e');
return _defaultTheme;
}
}
/// Check if dark mode is available (for future settings)
static bool isDarkModeAvailable() {
// Dark mode is now available
return true;
}
/// Get theme mode string for display
static String getThemeModeString(ThemeMode themeMode) {
switch (themeMode) {
case ThemeMode.light:
return 'Light Mode';
case ThemeMode.dark:
return 'Dark Mode';
case ThemeMode.system:
return 'System Default';
}
}
/// Reset theme to default
static Future<void> resetTheme() async {
await setThemeMode(_defaultTheme);
}
}