import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:get_storage/get_storage.dart';

class ThemeService {
  final _box = GetStorage();
  final _key = 'isDarkMode';

  /// 获取主题模式 - 如果没有保存过，则默认为系统主题
  ThemeMode getThemeMode() {
    return isSavedDarkMode() ? ThemeMode.dark : ThemeMode.light;
  }

  /// 是否是暗黑模式
  bool isSavedDarkMode() {
    return _box.read(_key) ?? false;
  }

  /// 保存主题模式到本地存储
  void saveThemeMode(bool isDarkMode) {
    _box.write(_key, isDarkMode);
  }

  /// 切换主题
  void changeThemeMode() {
    Get.changeThemeMode(isSavedDarkMode() ? ThemeMode.light : ThemeMode.dark);
    saveThemeMode(!isSavedDarkMode());
  }
}