using NFC;
using NFC.Mifare_DESFire;
using NFC.Mifare_DESFire.Enums;
using NFC.Readers.PCSC;
using NUnit.Framework;
using System;
using System.Collections.Generic;
using System.Text;

namespace NFC_Test
{
    [TestFixture]
    public class REAL_Windows_CardSetUp
    {
        public static UInt32 FabAccessAID = 0x001100;
        public static string CardReaderID = "ACS ACR122U PICC Interface 0";
        public static byte[] PICC_MasterKey = new byte[]
        {
            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
        };

        public static byte[] APP_MasterKey = new byte[]
        {
            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
        };

        public static byte[] APP_Key_1 = new byte[]
        {
                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
        };

        public static byte[] APP_Key_2 = new byte[]
        {
                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
        };

        public static byte[] Empty_Key = new byte[]
        {
                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
        };

        public static byte FabAccessIdentFileID = 0x01;
        public static string UserDomain = "user1@fabaccess.org";

        [Test]
        public void ResetCard()
        {
            IHardware hardware = new Hardware();
            IReader reader = hardware.OpenReader(CardReaderID);

            bool connected_successfully = false;

            ReaderEventHandler handler = (sender, card) =>
            {
                card.Connect();

                MifareDESFire mifareDESFire = new MifareDESFire(card);

                mifareDESFire.Authenticate(0x01, PICC_MasterKey);

                mifareDESFire.Format();

                connected_successfully = true;

                card.Disconnect();
            };

            reader.CardDiscovered += handler;
            reader.Start();

            Assert.AreEqual(true, connected_successfully);

            reader.Stop();
            reader.CardDiscovered -= handler;
        }

        [Test]
        public void ProvisionCard()
        {
            IHardware hardware = new Hardware();
            IReader reader = hardware.OpenReader(CardReaderID);

            bool connected_successfully = false;

            ReaderEventHandler handler = (sender, card) =>
            {
                card.Connect();

                MifareDESFire mifareDESFire = new MifareDESFire(card);

                mifareDESFire.Authenticate(0x01, APP_MasterKey);
                mifareDESFire.CreateApplication(FabAccessAID);
                mifareDESFire.SelectApplication(FabAccessAID);

                mifareDESFire.Authenticate(0x00, Empty_Key);
                mifareDESFire.ChangeApplicationMasterKey(APP_MasterKey);

                mifareDESFire.Authenticate(0x00, APP_MasterKey);
                mifareDESFire.ChangeApplicationKey(0x01, APP_Key_1);

                connected_successfully = true;

                card.Disconnect();
            };

            reader.CardDiscovered += handler;
            reader.Start();

            Assert.AreEqual(true, connected_successfully);

            reader.Stop();
            reader.CardDiscovered -= handler;
        }


        [Test]
        public void SetUpUserCard()
        {
            IHardware hardware = new Hardware();
            IReader reader = hardware.OpenReader(CardReaderID);

            bool connected_successfully = false;

            ReaderEventHandler handler = (sender, card) =>
            {
                card.Connect();

                MifareDESFire mifareDESFire = new MifareDESFire(card);

                mifareDESFire.SelectApplication(FabAccessAID);
                mifareDESFire.Authenticate(0x00, Empty_Key);
                UInt16 fileAccessRight = mifareDESFire.GenerateFileAccessRight(AccessRights.FREE, 0x00, 0x00, 0x00);
                mifareDESFire.CreateFile(FabAccessIdentFileID, FileCommunication.PLAIN, fileAccessRight, (UInt32)0x90);

                System.Text.ASCIIEncoding enc = new System.Text.ASCIIEncoding();

                mifareDESFire.WirteData(FabAccessIdentFileID, 0x00000000, 0x00000000, enc.GetBytes(UserDomain));

                connected_successfully = true;

                card.Disconnect();
            };

            reader.CardDiscovered += handler;
            reader.Start();

            Assert.AreEqual(true, connected_successfully);

            reader.Stop();
            reader.CardDiscovered -= handler;
        }

        [Test]
        public void AuthenticateCard()
        {
            IHardware hardware = new Hardware();
            IReader reader = hardware.OpenReader(CardReaderID);

            bool connected_successfully = false;

            ReaderEventHandler handler = (sender, card) =>
            {
                card.Connect();

                MifareDESFire mifareDESFire = new MifareDESFire(card);

                mifareDESFire.SelectApplication(FabAccessAID);
                byte[] filedata = mifareDESFire.ReadData(FabAccessIdentFileID, 0x00000000, 0x00000000);

                System.Text.ASCIIEncoding enc = new System.Text.ASCIIEncoding();
                string userdomain = enc.GetString(filedata);

                Console.WriteLine(userdomain);

                mifareDESFire.Authenticate(0x01, APP_Key_1);

                connected_successfully = true;

                card.Disconnect();
            };

            reader.CardDiscovered += handler;
            reader.Start();

            Assert.AreEqual(true, connected_successfully);

            reader.Stop();
            reader.CardDiscovered -= handler;
        }
    }
}