import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:shared_preferences/shared_preferences.dart';

const _prefsKey = 'recipes_grid_columns';

class RecipesGridNotifier extends AsyncNotifier<int> {
  @override
  Future<int> build() async {
    final prefs = await SharedPreferences.getInstance();
    return prefs.getInt(_prefsKey) ?? 2;
  }

  Future<void> setColumns(int columns) async {
    final prefs = await SharedPreferences.getInstance();
    await prefs.setInt(_prefsKey, columns);
    state = AsyncData(columns);
  }
}

final recipesGridProvider =
    AsyncNotifierProvider<RecipesGridNotifier, int>(RecipesGridNotifier.new);