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

final onboardingStateProvider = FutureProvider<bool>((ref) async {
  final prefs = await SharedPreferences.getInstance();
  return prefs.getBool('onboardingCompleted') ?? false;
});


final onboardingControllerProvider = Provider<OnboardingController>((ref) {
  return OnboardingController(ref);
});

class OnboardingController {
  final Ref ref;
  OnboardingController(this.ref);

  Future<void> setOnboarded(bool value) async {
    final prefs = await SharedPreferences.getInstance();
    await prefs.setBool('onboardingCompleted', value);
    // refresh the read provider so UI updates
    ref.invalidate(onboardingStateProvider);
  }
}