using DigitalData.Core.Abstractions.Security;
using System.Security.Cryptography;

namespace DigitalData.Core.Security
{
    public class RSACryptographer : IRSACryptographer
    {
        public required virtual string Pem { get; init; }

        public RSAEncryptionPadding Padding { get; init; } = RSAEncryptionPadding.OaepSHA256;

        protected virtual RSA RSA { get; } = RSA.Create();

        private DateOnly? _expiration;

        public DateOnly? Expiration
        {
            get => _expiration;
            init
            {
                
                if (value <= DateOnly.FromDateTime(DateTime.Now))
                    throw new InvalidOperationException("The expiration date has already passed.");

                _expiration = value;
            }
        }

        internal RSACryptographer() { }
    }
}