using System.Security.Cryptography;

namespace Medusa.Core.Utils
{
    public class DESEncryption(byte[] key)
    {
        private readonly byte[] Key = key;

        public byte[] Encrypt(byte[] data)
        {
            using var tripleDES = TripleDES.Create();

            tripleDES.Key = Key;
            tripleDES.Mode = CipherMode.CBC;
            tripleDES.Padding = PaddingMode.None;
            tripleDES.IV = new byte[8];

            using var encryptor = tripleDES.CreateEncryptor();
            return encryptor.TransformFinalBlock(data, 0, data.Length);
        }

        public byte[] Decrypt(byte[] data)
        {
            using var tripleDES = TripleDES.Create();

            tripleDES.Key = Key;
            tripleDES.Mode = CipherMode.CBC;
            tripleDES.Padding = PaddingMode.None;
            tripleDES.IV = new byte[8];

            using var decryptor = tripleDES.CreateDecryptor();
            return decryptor.TransformFinalBlock(data, 0, data.Length);
        }
    }
}