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

namespace NFC_Test.NXP_MIFARE_DESFire
{
    /// <summary>
    /// Test all DESFire Commands with empty Card
    /// </summary>
    [Description("Test with real DESFire Card")]
    [Explicit]
    public class Command_Card_Test
    {
        public readonly string ReaderID = "";
        public readonly UInt32 AID = 0xAAFFEE;
        public readonly string AES_Key_Master = "25432A462D4A614E645267556B587032";
        public readonly string AES_Key_1 = "50645367566B59703373367638792F42";

        /// <summary>
        /// Get ReaderIDs form PC/SC API
        /// </summary>
        [Test]
        public void GetReaderIDs()
        {
            IHardware hardware = new Hardware();
            string[] readers = hardware.GetReaders();

            Console.WriteLine("Readers detected: {0}", readers.Length);

            if (readers.Length > 0)
            {
                Console.WriteLine("List of ReaderIDs:");
                foreach (string readerID in readers)
                {
                    Console.WriteLine("{0}", readerID);
                }
            }
        }

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

            bool connected_successfully = false;

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

                connected_successfully = true;

                card.Disconnect();
            };

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

            Assert.AreEqual(true, connected_successfully);

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

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

            bool test_successfully = false;

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

                MIFARE_DESFire desfire = new MIFARE_DESFire(card);

                desfire.Format();

                test_successfully = true;

                card.Disconnect();
            };

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

            Assert.AreEqual(true, test_successfully);

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

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

            bool test_successfully = false;

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

                MIFARE_DESFire desfire = new MIFARE_DESFire(card);

                desfire.SelectApplication(0x000000);

                test_successfully = true;

                card.Disconnect();
            };

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

            Assert.AreEqual(true, test_successfully);

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

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

            bool test_successfully = false;

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

                MIFARE_DESFire desfire = new MIFARE_DESFire(card);

                desfire.SelectApplication(0x000000);

                CipherKey key = new CipherKey(CipherType.TDES);
                desfire.AuthenticateISO_DES(0x00, key._Key);

                test_successfully = true;

                card.Disconnect();
            };

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

            Assert.AreEqual(true, test_successfully);

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


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

            bool test_successfully = false;

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

                MIFARE_DESFire desfire = new MIFARE_DESFire(card);

                CipherKey key = new CipherKey(CipherType.TDES);
                desfire.AuthenticateISO_DES(0x00, key._Key);

                byte keysetting1 = desfire.GenerateKeySetting1(NFC.Mifare_DESFire.Enums.ChangeApplicationKey.ALLKEYS, NFC.Mifare_DESFire.Enums.ChangeMasterKeySettings.WITHMASTERKEY, NFC.Mifare_DESFire.Enums.CreateDeleteFile.NOKEY, NFC.Mifare_DESFire.Enums.FileDirectoryAccess.NOKEY, NFC.Mifare_DESFire.Enums.ChangeMasterKey.CHANGEABLE);
                byte keysetting2 = desfire.GenerateKeySetting2(NFC.Mifare_DESFire.Enums.CryptoOperationsType.AES, NFC.Mifare_DESFire.Enums.FileIdentifies.NOTUSED, 2);

                desfire.CreateApplication(AID, keysetting1, keysetting2);

                test_successfully = true;

                card.Disconnect();
            };

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

            Assert.AreEqual(true, test_successfully);

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

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

            bool test_successfully = false;

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

                MIFARE_DESFire desfire = new MIFARE_DESFire(card);

                desfire.SelectApplication(AID);

                CipherKey key = new CipherKey(CipherType.AES);
                desfire.AuthenticateISO_AES(0x00, key._Key);

                test_successfully = true;

                card.Disconnect();
            };

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

            Assert.AreEqual(true, test_successfully);

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

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

            bool test_successfully = false;

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

                MIFARE_DESFire desfire = new MIFARE_DESFire(card);

                desfire.SelectApplication(AID);

                CipherKey key_default = new CipherKey(CipherType.AES);
                desfire.AuthenticateISO_AES(0x00, key_default._Key);

                CipherKey key = new CipherKey(AES_Key_Master, CipherType.AES, 0x10);
                desfire.ChangeKey_AES(0x00, key._Key, key._KeyVersion);

                test_successfully = true;

                card.Disconnect();
            };

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

            Assert.AreEqual(true, test_successfully);

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

        [Test]
        public void ChangeApplicationKey_1()
        {
            IHardware hardware = new Hardware();
            IReader reader = hardware.OpenReader(ReaderID);

            bool test_successfully = false;

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

                MIFARE_DESFire desfire = new MIFARE_DESFire(card);

                desfire.SelectApplication(AID);

                CipherKey key_master = new CipherKey(AES_Key_Master, CipherType.AES, 0x10);
                desfire.AuthenticateISO_AES(0x00, key_master._Key);

                CipherKey key_old = new CipherKey(AES_Key_1, CipherType.AES, 0x10);
                CipherKey key_new = new CipherKey(AES_Key_1, CipherType.AES, 0x10);
                desfire.ChangeOtherKey_AES(0x01, key_new._Key, key_old._Key, key_new._KeyVersion);

                test_successfully = true;

                card.Disconnect();
            };

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

            Assert.AreEqual(true, test_successfully);

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