import 'dart:async';
import 'package:connectivity_plus/connectivity_plus.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';

/// Provider qui retourne un booléen: connecté ou non
final isConnectedProvider =
    StateNotifierProvider<ConnectivityBoolNotifier, bool>(
      (ref) => ConnectivityBoolNotifier(),
    );

class ConnectivityBoolNotifier extends StateNotifier<bool> {
  ConnectivityBoolNotifier() : super(false) {
    _init();
    _subscription = Connectivity().onConnectivityChanged.listen(
      (results) => state = _isConnected(results),
    );
  }
  late final StreamSubscription<List<ConnectivityResult>> _subscription;

  Future<void> _init() async {
    final result = await Connectivity().checkConnectivity();
    state = _isConnected(result);
  }

  bool _isConnected(List<ConnectivityResult> result) {
    return (result).contains(ConnectivityResult.mobile) ||
        (result).contains(ConnectivityResult.wifi) ||
        (result).contains(ConnectivityResult.vpn) ||
        (result).contains(ConnectivityResult.ethernet);
  }

  @override
  void dispose() {
    _subscription.cancel();
    super.dispose();
  }
}