import 'dart:convert';

import 'package:flutter/services.dart';

class Encryption {
  static final Encryption _instance = Encryption._internal();
  static const MethodChannel _channel = MethodChannel('flutter_des');
  static const key = "PeShVmYp";
  static const iv = "j70IbWYn";

  Encryption._internal();

  factory Encryption() => _instance;

  Future<String> encrypt({required String val}) async {
    Uint8List? crypt = await _channel.invokeMethod('encrypt', [val, key, iv]);
    String data = base64Encode(crypt!.toList());
    print("Base64Enc: " + data);
    return data;
  }

  Future<String> decrypt({required String encodedVal}) async {
    var deco = base64Decode(encodedVal);
    String? decCrypt = await _channel.invokeMethod('decrypt', [deco, key, iv]);
    print("Base64ToStringDec: " + decCrypt!);
    return decCrypt!;
  }
}