import 'dart:ui';

import 'package:shared_preferences/shared_preferences.dart';

class WindowStateStore {
  WindowStateStore._();

  static final WindowStateStore instance = WindowStateStore._();

  static const String _widthKey = 'window_width';
  static const String _heightKey = 'window_height';

  Future<Size?> loadWindowSize() async {
    final SharedPreferences prefs = await SharedPreferences.getInstance();
    final double? width = prefs.getDouble(_widthKey);
    final double? height = prefs.getDouble(_heightKey);

    if (width == null || height == null) {
      return null;
    }

    return Size(width, height);
  }

  Future<void> saveWindowSize(Size size) async {
    final SharedPreferences prefs = await SharedPreferences.getInstance();
    await prefs.setDouble(_widthKey, size.width);
    await prefs.setDouble(_heightKey, size.height);
  }
}