import 'dart:async';

import 'package:flutter/widgets.dart';
import 'package:flutter_secure_storage/flutter_secure_storage.dart';
import 'package:logger/logger.dart';

class Token {
  static final Token _token = Token._();
  final _storage = const FlutterSecureStorage();
  final _l = Logger();

  String _tokenval = "";

  static Token getInstance() {
    return _token;
  }

  Future<String?> _readToken() async {
    _l.d("reading token store");
    WidgetsFlutterBinding.ensureInitialized();
    return _storage.read(key: 'jwt');
  }

  Future<String> getToken() async {
    var completer = Completer<String>();

    if (_tokenval == "") {
      final token = await _readToken();
      completer.complete(token);
    } else {
      completer.complete(_tokenval);
    }
    return completer.future;
  }

  void setToken(String token) {
    _tokenval = token;
    _storage.write(key: 'jwt', value: token);
  }

  Token._();
}