using PCSC;
using PCSC.Iso7816;

namespace NFC.Readers.PCSC
{
    public class Card : ICard
    {
        private IsoReader _ISOReader;
        private string _ReaderID;

        public Card(IsoReader isoreader, string readerID)
        {
            _ISOReader = isoreader;
            _ReaderID = readerID;
        }
        public void Connect()
        {
            _ISOReader.Connect(_ReaderID, SCardShareMode.Shared, SCardProtocol.Any);
        }

        public void Disconnect()
        {
            _ISOReader.Disconnect(SCardReaderDisposition.Eject);
        }

        public APDUResponse Transmit(APDUCommand apdu_cmd)
        {
            Response response = _ISOReader.Transmit(Convert(apdu_cmd));
            return Convert(response);
        }

        public CommandApdu Convert(APDUCommand apdu_cmd)
        {
            CommandApdu apdu = new CommandApdu(IsoCase.Case2Short, _ISOReader.ActiveProtocol)
            {
                CLA = apdu_cmd.Class,
                INS = apdu_cmd.Instruction,
                P1 = apdu_cmd.Parameter1,
                P2 = apdu_cmd.Parameter2,
                
                Data = apdu_cmd.Data,

                Le = apdu_cmd.LengthExpected
            };

            return apdu;
        }

        public APDUResponse Convert(Response response)
        {
            ResponseApdu responseApdu = response.Get(0);

            APDUResponse apduResponse = new APDUResponse()
            {
                SW1 = responseApdu.SW1,
                SW2 = responseApdu.SW2,
                Body = responseApdu.GetData()
            };

            return apduResponse;
        }
    }
}