using DigitalData.Core.Abstractions.Security;
using DigitalData.Core.Security.Config;
using DigitalData.Core.Security.Cryptographer;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using System.Collections;

namespace DigitalData.Core.Security
{
    public class AsymCryptService<TAsymCryptParams> : RSAFactory<TAsymCryptParams>, IAsymCryptService<TAsymCryptParams>, IRSAFactory<TAsymCryptParams>, IEnumerable<IRSADecryptor>
        where TAsymCryptParams : AsymCryptParams
    {
        public IEnumerable<IRSADecryptor> Decryptors => _params.Decryptors;

        public AsymCryptService(IOptions<TAsymCryptParams> options, ILogger<AsymCryptService<TAsymCryptParams>>? logger = null) : base(options)
        {
            logger?.LogInformation("Core.Secrets version: {Version}, Created on: {CreationDate}.", Secrets.Version, Secrets.CreationDate.ToString("dd.MM.yyyy"));
        }

        public IEnumerator<IRSADecryptor> GetEnumerator() => Decryptors.GetEnumerator();

        IEnumerator IEnumerable.GetEnumerator() => Decryptors.GetEnumerator();

        public IEnumerable<IRSAEncryptor> Encryptors
        {
            get
            {
                foreach (var decryptor in Decryptors)
                {
                    yield return decryptor.Encryptor;
                }
            }
        }
    }
}