import 'dart:convert';

import 'package:crypto/crypto.dart';

class Hashing {
  /// This will generate the md5 bytes and hash it using #bytes2Hash
  static String md5Hash(String input) {
    return bytes2Hash(md5Sum(input));
  }

  /// This will generate the Sha1 bytes and hash it using #bytes2Hash
  static String sha1Hash(String input) {
    return bytes2Hash(sha1Sum(input));
  }

  /// This will generate the Sha256 bytes and hash it using #bytes2Hash.
  static String sha256Hash(String input) {
    return bytes2Hash(sha256Sum(input));
  }

  /// This function takes a list of bytes and returns a hash string
  static String bytes2Hash(List<int> bytes) {
    String x = "";
    for (int byte in bytes) {
      x += byte.toRadixString(16).padLeft(2, '0');
    }

    return x;
  }

  /// This function returns the bytes instead of a hash string
  static List<int> md5Sum(String input) {
    return md5.convert(utf8.encode(input)).bytes;
  }

  /// This functions returns the bytes instead of a hash string
  static List<int> sha1Sum(String input) {
    return sha1.convert(utf8.encode(input)).bytes;
  }

  /// This function returns the bytes instead of a hash string
  static List<int> sha256Sum(String input) {
    return sha256.convert(utf8.encode(input)).bytes;
  }
}