using System;
using System.Threading.Tasks;
using NSubstitute;
using NUnit.Framework;
using TINK.Model.Bikes.BikeInfoNS.BluetoothLock;
using TINK.Model.Connector;
using TINK.Model.Device;
using TINK.Model.State;
using TINK.Model.User;
using TINK.Repository.Exception;
using TINK.Services.BluetoothLock;
using TINK.Services.BluetoothLock.Exception;
using TINK.Services.BluetoothLock.Tdo;
using TINK.Services.Geolocation;
using TINK.View;
using TINK.ViewModel;
using TINK.ViewModel.Bikes;
using TINK.ViewModel.Bikes.Bike.BluetoothLock.RequestHandler;

namespace TestTINKLib.Fixtures.ObjectTests.ViewModel.Bikes.Bike.BluetoothLock.RequestHandler
{
    [TestFixture]
    public class TestDisposableDisconnected
    {
        /// <summary>
        /// Test construction of object.
        /// </summary>
        [Test]
        public void Testctor()
        {
            var handler = new DisposableDisconnected(
                Substitute.For<IBikeInfoMutable>(),
                () => true, // isConnectedDelegate
                (isConnexted) => Substitute.For<IConnector>(),
                Substitute.For<IGeolocation>(),
                Substitute.For<ILocksService>(),
                () => Substitute.For<IPollingUpdateTaskManager>(),
                Substitute.For<ISmartDevice>(),
                Substitute.For<IViewService>(),
                Substitute.For<IBikesViewModel>(),
                Substitute.For<IUser>());

            // Verify prerequisites.
            Assert.AreEqual("Reserve bike", handler.ButtonText);
            Assert.IsTrue(handler.IsButtonVisible);
            Assert.AreEqual("DisposableDisconnected", handler.LockitButtonText);
            Assert.IsFalse(handler.IsLockitButtonVisible);
        }

        /// <summary>
        /// Use case: Cancel reservation.
        /// Final state: Same as initial state.
        /// </summary>
        [Test]
        public void TestReserveAndConnectCancel()
        {
            var bike = Substitute.For<IBikeInfoMutable>();
            var connector = Substitute.For<IConnector>();
            var command = Substitute.For<ICommand>();
            var geolocation = Substitute.For<IGeolocation>();
            var locks = Substitute.For<ILocksService>();
            var pollingManager = Substitute.For<IPollingUpdateTaskManager>();
            var viewService = Substitute.For<IViewService>();
            var bikesViewModel = Substitute.For<IBikesViewModel>();
            var activeUser = Substitute.For<IUser>();

            var handler = new DisposableDisconnected(
                bike,
                () => true, // isConnectedDelegate
                (isConnexted) => connector,
                geolocation,
                locks,
                () => pollingManager,
                Substitute.For<ISmartDevice>(),
                viewService,
                bikesViewModel,
                activeUser);

            bike.Id.Returns("0");

            viewService.DisplayAlert(string.Empty, "Reserve bike Nr. 0 free of charge for 15 min?", "Yes", "No").Returns(Task.FromResult(false));

            var subsequent = handler.HandleRequestOption1().Result;

            // Verify behaviour
            Received.InOrder(() =>
            {
                bikesViewModel.Received(1).IsIdle = false; // GUI must be locked
                viewService.DisplayAlert(string.Empty, "Reserve bike Nr. 0 free of charge for 15 min?", "Yes", "No");
                bikesViewModel.Received(1).IsIdle = true; // GUI must be unlocked
            });

            // Verify state after action
            Assert.AreEqual("Reserve bike", subsequent.ButtonText);
            Assert.IsTrue(subsequent.IsButtonVisible);
            Assert.AreEqual("DisposableDisconnected", subsequent.LockitButtonText);
            Assert.IsFalse(subsequent.IsLockitButtonVisible);
        }

        /// <summary>
        /// Use case: Reserve bike.
        /// Final state: Reserved closed.
        /// </summary>
        [Test]
        public void TestReserveAndConnect()
        {
            var bike = Substitute.For<IBikeInfoMutable>();
            var connector = Substitute.For<IConnector>();
            var command = Substitute.For<ICommand>();
            var geolocation = Substitute.For<IGeolocation>();
            var locks = Substitute.For<ILocksService>();
            var pollingManager = Substitute.For<IPollingUpdateTaskManager>();
            var viewService = Substitute.For<IViewService>();
            var bikesViewModel = Substitute.For<IBikesViewModel>();
            var activeUser = Substitute.For<IUser>();
            var timeOuts = Substitute.For<ITimeOutProvider>();

            var handler = new DisposableDisconnected(
                bike,
                () => true, // isConnectedDelegate
                (isConnexted) => connector,
                geolocation,
                locks,
                () => pollingManager,
                Substitute.For<ISmartDevice>(),
                viewService,
                bikesViewModel,
                activeUser);

            bike.Id.Returns("0");

            viewService.DisplayAlert(string.Empty, "Reserve bike Nr. 0 free of charge for 15 min?", "Yes", "No").Returns(Task.FromResult(true));

            locks.ConnectAsync(Arg.Any<LockInfoAuthTdo>(), Arg.Any<TimeSpan>())
                .Returns(Task.FromResult(new LockInfoTdo.Builder { State = LockitLockingState.Closed }.Build())); // Return lock state indicating success

            locks.TimeOut.Returns(timeOuts);

            viewService.DisplayAlert(string.Empty, string.Format("Rent bike {0} and open lock?", "Nr. 0"), "Yes", "No").Returns(Task.FromResult(true));

            locks[0].OpenAsync()
                .Returns(Task.FromResult((LockitLockingState?)LockitLockingState.Open)); // Return lock state indicating success

            bike.State.Value.Returns(InUseStateEnum.Booked); // Booking call leads to setting of state to booked.

            var subsequent = handler.HandleRequestOption1().Result;

            // Verify behaviour
            Received.InOrder(() =>
            {
                bikesViewModel.Received(1).IsIdle = false; // GUI must be locked
                bikesViewModel.ActionText = "One moment please...";
                pollingManager.StopUpdatePeridically(); // Polling must be stopped before any COPR and lock service action
                bikesViewModel.ActionText = "Reserving bike...";
                connector.Command.DoReserve(bike); // Booking must be performed
                bikesViewModel.ActionText = "Searching lock...";
                locks.ConnectAsync(Arg.Any<LockInfoAuthTdo>(), Arg.Any<TimeSpan>());
                bikesViewModel.ActionText = "";
                bikesViewModel.ActionText = "Renting bike...";
                connector.Command.DoBook(bike); // Booking must be performed
                bikesViewModel.ActionText = "Opening lock...";
                locks.Received()[0].OpenAsync(); // Lock must be opened
                bikesViewModel.ActionText = "Reading charging level...";
                locks[0].GetBatteryPercentageAsync();
                bikesViewModel.ActionText = "Updating lock state...";
                connector.Command.UpdateLockingStateAsync(bike, null);
                bikesViewModel.ActionText = "Updating...";
                pollingManager.StartUpdateAyncPeridically(); // polling must be restarted again
                bikesViewModel.ActionText = "";
                bikesViewModel.Received(1).IsIdle = true; // GUI must be unlocked
            });

            // Verify state after action
            Assert.AreEqual("Close lock & return bike", subsequent.ButtonText);
            Assert.IsTrue(subsequent.IsButtonVisible);
            Assert.AreEqual("Close lock", subsequent.LockitButtonText);
            Assert.IsTrue(subsequent.IsLockitButtonVisible);
        }

        /// <summary>
        /// Use case: Reserve bike.
        /// Final state: Same as initial state.
        /// </summary>
        [Test]
        public void TestReserveAndConnectReserveFailsBookingDeclinedException()
        {
            var bike = Substitute.For<IBikeInfoMutable>();
            var connector = Substitute.For<IConnector>();
            var command = Substitute.For<ICommand>();
            var geolocation = Substitute.For<IGeolocation>();
            var locks = Substitute.For<ILocksService>();
            var pollingManager = Substitute.For<IPollingUpdateTaskManager>();
            var viewService = Substitute.For<IViewService>();
            var bikesViewModel = Substitute.For<IBikesViewModel>();
            var activeUser = Substitute.For<IUser>();

            var handler = new DisposableDisconnected(
                bike,
                () => true, // isConnectedDelegate
                (isConnexted) => connector,
                geolocation,
                locks,
                () => pollingManager,
                Substitute.For<ISmartDevice>(),
                viewService,
                bikesViewModel,
                activeUser);

            bike.Id.Returns("0");

            viewService.DisplayAlert(string.Empty, "Reserve bike Nr. 0 free of charge for 15 min?", "Yes", "No").Returns(Task.FromResult(true));

            connector.Command.DoReserve(bike).Returns(x => throw new BookingDeclinedException(7)); // Booking must be performed

            bike.State.Value.Returns(InUseStateEnum.Reserved); // Reqesthandler factory queries state to create appropriate request handler object.
            bike.LockInfo.State.Returns(LockingState.Closed); // Requsthandler factory queries lock state to create appropriate request handler object.

            var subsequent = handler.HandleRequestOption1().Result;

            // Verify behaviour
            Received.InOrder(() =>
            {
                bikesViewModel.Received(1).IsIdle = false; // GUI must be locked
                bikesViewModel.ActionText = "One moment please...";
                pollingManager.StopUpdatePeridically(); // Polling must be stopped before any COPR and lock service action
                bikesViewModel.ActionText = "Reserving bike...";
                connector.Command.DoReserve(bike); // Booking must be performed
                bikesViewModel.ActionText = "";
                viewService.DisplayAlert("Hint", string.Format("A reservation of bike {0} was rejected because the maximum allowed number of {1} reservations/ rentals had already been made.", 0, 7), "OK");
                bikesViewModel.ActionText = "Updating...";
                pollingManager.StartUpdateAyncPeridically(); // polling must be restarted again
                bikesViewModel.ActionText = "";
                bikesViewModel.Received(1).IsIdle = true; // GUI must be unlocked
            });

            // Verify state after action
            Assert.AreEqual("Reserve bike", subsequent.ButtonText);
            Assert.IsTrue(subsequent.IsButtonVisible);
            Assert.AreEqual("DisposableDisconnected", subsequent.LockitButtonText);
            Assert.IsFalse(subsequent.IsLockitButtonVisible);
        }

        /// <summary>
        /// Use case: Reserve bike.
        /// Final state: Same as initial state.
        /// </summary>
        [Test]
        public void TestReserveAndConnectReserveFailsWebConnectFailureException()
        {
            var bike = Substitute.For<IBikeInfoMutable>();
            var connector = Substitute.For<IConnector>();
            var command = Substitute.For<ICommand>();
            var geolocation = Substitute.For<IGeolocation>();
            var locks = Substitute.For<ILocksService>();
            var pollingManager = Substitute.For<IPollingUpdateTaskManager>();
            var viewService = Substitute.For<IViewService>();
            var bikesViewModel = Substitute.For<IBikesViewModel>();
            var activeUser = Substitute.For<IUser>();

            var handler = new DisposableDisconnected(
                bike,
                () => true, // isConnectedDelegate
                (isConnexted) => connector,
                geolocation,
                locks,
                () => pollingManager,
                Substitute.For<ISmartDevice>(),
                viewService,
                bikesViewModel,
                activeUser);

            bike.Id.Returns("0");

            viewService.DisplayAlert(string.Empty, "Reserve bike Nr. 0 free of charge for 15 min?", "Yes", "No").Returns(Task.FromResult(true));

            connector.Command.DoReserve(bike).Returns<Task>(x => throw new WebConnectFailureException("Context info.", new Exception("chub")));

            bike.State.Value.Returns(InUseStateEnum.Reserved); // Reqesthandler factory queries state to create appropriate request handler object.
            bike.LockInfo.State.Returns(LockingState.Closed); // Requsthandler factory queries lock state to create appropriate request handler object.

            var subsequent = handler.HandleRequestOption1().Result;

            // Verify behaviour
            Received.InOrder(() =>
            {
                bikesViewModel.Received(1).IsIdle = false; // GUI must be locked
                bikesViewModel.ActionText = "One moment please...";
                pollingManager.StopUpdatePeridically(); // Polling must be stopped before any COPR and lock service action
                bikesViewModel.ActionText = "Reserving bike...";
                connector.Command.DoReserve(bike); // Booking must be performed
                bikesViewModel.ActionText = "";
                viewService.DisplayAlert("Connection error when reserving the bike!", "Context info.\r\nIs WIFI available/ mobile networt available and mobile data activated / ... ?", "OK");
                bikesViewModel.ActionText = "Updating...";
                pollingManager.StartUpdateAyncPeridically(); // polling must be restarted again
                bikesViewModel.ActionText = "";
                bikesViewModel.Received(1).IsIdle = true; // GUI must be unlocked
            });

            // Verify state after action
            Assert.AreEqual("Reserve bike", subsequent.ButtonText);
            Assert.IsTrue(subsequent.IsButtonVisible);
            Assert.AreEqual("DisposableDisconnected", subsequent.LockitButtonText);
            Assert.IsFalse(subsequent.IsLockitButtonVisible);
        }

        /// <summary>
        /// Use case: Reserve bike.
        /// Final state: Same as initial state.
        /// </summary>
        [Test]
        public void TestReserveAndConnectReserveFailsException()
        {
            var bike = Substitute.For<IBikeInfoMutable>();
            var connector = Substitute.For<IConnector>();
            var command = Substitute.For<ICommand>();
            var geolocation = Substitute.For<IGeolocation>();
            var locks = Substitute.For<ILocksService>();
            var pollingManager = Substitute.For<IPollingUpdateTaskManager>();
            var viewService = Substitute.For<IViewService>();
            var bikesViewModel = Substitute.For<IBikesViewModel>();
            var activeUser = Substitute.For<IUser>();

            var handler = new DisposableDisconnected(
                bike,
                () => true, // isConnectedDelegate
                (isConnexted) => connector,
                geolocation,
                locks,
                () => pollingManager,
                Substitute.For<ISmartDevice>(),
                viewService,
                bikesViewModel,
                activeUser);

            bike.Id.Returns("0");

            viewService.DisplayAlert(string.Empty, "Reserve bike Nr. 0 free of charge for 15 min?", "Yes", "No").Returns(Task.FromResult(true));

            connector.Command.DoReserve(bike).Returns<Task>(x => throw new Exception("Exception message."));

            bike.State.Value.Returns(InUseStateEnum.Reserved); // Reqesthandler factory queries state to create appropriate request handler object.
            bike.LockInfo.State.Returns(LockingState.Closed); // Requsthandler factory queries lock state to create appropriate request handler object.

            var subsequent = handler.HandleRequestOption1().Result;

            // Verify behaviour
            Received.InOrder(() =>
            {
                bikesViewModel.Received(1).IsIdle = false; // GUI must be locked
                bikesViewModel.ActionText = "One moment please...";
                pollingManager.StopUpdatePeridically(); // Polling must be stopped before any COPR and lock service action
                bikesViewModel.ActionText = "Reserving bike...";
                connector.Command.DoReserve(bike); // Booking must be performed
                bikesViewModel.ActionText = "";
                viewService.DisplayAlert("Error when reserving the bike!", "Exception message.", "OK");
                bikesViewModel.ActionText = "Updating...";
                pollingManager.StartUpdateAyncPeridically(); // polling must be restarted again
                bikesViewModel.ActionText = "";
                bikesViewModel.Received(1).IsIdle = true; // GUI must be unlocked
            });

            // Verify state after action
            Assert.AreEqual("Reserve bike", subsequent.ButtonText);
            Assert.IsTrue(subsequent.IsButtonVisible);
            Assert.AreEqual("DisposableDisconnected", subsequent.LockitButtonText);
            Assert.IsFalse(subsequent.IsLockitButtonVisible);
        }

        /// <summary>
        /// Use case: Reserve bike.
        /// Final state: Reserved unknown.
        /// </summary>
        [Test]
        public void TestReserveAndConnectConnectOutOfReachException()
        {
            var bike = Substitute.For<IBikeInfoMutable>();
            var connector = Substitute.For<IConnector>();
            var command = Substitute.For<ICommand>();
            var geolocation = Substitute.For<IGeolocation>();
            var locks = Substitute.For<ILocksService>();
            var pollingManager = Substitute.For<IPollingUpdateTaskManager>();
            var viewService = Substitute.For<IViewService>();
            var bikesViewModel = Substitute.For<IBikesViewModel>();
            var activeUser = Substitute.For<IUser>();
            var timeOuts = Substitute.For<ITimeOutProvider>();

            var handler = new DisposableDisconnected(
                bike,
                () => true, // isConnectedDelegate
                (isConnexted) => connector,
                geolocation,
                locks,
                () => pollingManager,
                Substitute.For<ISmartDevice>(),
                viewService,
                bikesViewModel,
                activeUser);

            bike.Id.Returns("0");

            viewService.DisplayAlert(string.Empty, "Reserve bike Nr. 0 free of charge for 15 min?", "Yes", "No").Returns(Task.FromResult(true));

            locks.ConnectAsync(Arg.Any<LockInfoAuthTdo>(), Arg.Any<TimeSpan>()).Returns<LockInfoTdo>(x => throw new OutOfReachException());
            locks.TimeOut.Returns(timeOuts);

            bike.State.Value.Returns(InUseStateEnum.Reserved); // Reqesthandler factory queries state to create appropriate request handler object.
            bike.LockInfo.State.Returns(LockingState.UnknownDisconnected); // Requsthandler factory queries lock state to create appropriate request handler object.

            var subsequent = handler.HandleRequestOption1().Result;

            // Verify behaviour
            Received.InOrder(() =>
            {
                bikesViewModel.Received(1).IsIdle = false; // GUI must be locked
                bikesViewModel.ActionText = "One moment please...";
                pollingManager.StopUpdatePeridically(); // Polling must be stopped before any COPR and lock service action
                bikesViewModel.ActionText = "Reserving bike...";
                connector.Command.DoReserve(bike); // Booking must be performed
                bikesViewModel.ActionText = "Searching lock...";
                locks.ConnectAsync(Arg.Any<LockInfoAuthTdo>(), Arg.Any<TimeSpan>());
                bikesViewModel.ActionText = "Lock out of reach";
                bikesViewModel.ActionText = "Updating...";
                pollingManager.StartUpdateAyncPeridically(); // polling must be restarted again
                bikesViewModel.ActionText = "";
                bikesViewModel.Received(1).IsIdle = true; // GUI must be unlocked
            });

            // Verify state after action
            Assert.AreEqual("Cancel bike reservation", subsequent.ButtonText);
            Assert.IsTrue(subsequent.IsButtonVisible);
            Assert.AreEqual("Search lock", subsequent.LockitButtonText);
            Assert.IsTrue(subsequent.IsLockitButtonVisible);
        }

        /// <summary>
        /// Use case: Reserve bike.
        /// Final state: Reserved unknown.
        /// </summary>
        [Test]
        public void TestReserveAndConnectConnectException()
        {
            var bike = Substitute.For<IBikeInfoMutable>();
            var connector = Substitute.For<IConnector>();
            var command = Substitute.For<ICommand>();
            var geolocation = Substitute.For<IGeolocation>();
            var locks = Substitute.For<ILocksService>();
            var pollingManager = Substitute.For<IPollingUpdateTaskManager>();
            var viewService = Substitute.For<IViewService>();
            var bikesViewModel = Substitute.For<IBikesViewModel>();
            var activeUser = Substitute.For<IUser>();
            var timeOuts = Substitute.For<ITimeOutProvider>();

            var handler = new DisposableDisconnected(
                bike,
                () => true, // isConnectedDelegate
                (isConnexted) => connector,
                geolocation,
                locks,
                () => pollingManager,
                Substitute.For<ISmartDevice>(),
                viewService,
                bikesViewModel,
                activeUser);

            bike.Id.Returns("0");

            viewService.DisplayAlert(string.Empty, "Reserve bike Nr. 0 free of charge for 15 min?", "Yes", "No").Returns(Task.FromResult(true));

            locks.ConnectAsync(Arg.Any<LockInfoAuthTdo>(), Arg.Any<TimeSpan>()).Returns<LockInfoTdo>(x => throw new Exception("Exception message."));
            locks.TimeOut.Returns(timeOuts);

            bike.State.Value.Returns(InUseStateEnum.Reserved); // Reqesthandler factory queries state to create appropriate request handler object.
            bike.LockInfo.State.Returns(LockingState.UnknownDisconnected); // Requsthandler factory queries lock state to create appropriate request handler object.

            var subsequent = handler.HandleRequestOption1().Result;

            // Verify behaviour
            Received.InOrder(() =>
            {
                bikesViewModel.Received(1).IsIdle = false; // GUI must be locked
                bikesViewModel.ActionText = "One moment please...";
                pollingManager.StopUpdatePeridically(); // Polling must be stopped before any COPR and lock service action
                bikesViewModel.ActionText = "Reserving bike...";
                connector.Command.DoReserve(bike); // Booking must be performed
                bikesViewModel.ActionText = "Searching lock...";
                locks.ConnectAsync(Arg.Any<LockInfoAuthTdo>(), Arg.Any<TimeSpan>());
                bikesViewModel.ActionText = "Lock not found";
                bikesViewModel.ActionText = "Updating...";
                pollingManager.StartUpdateAyncPeridically(); // polling must be restarted again
                bikesViewModel.ActionText = "";
                bikesViewModel.Received(1).IsIdle = true; // GUI must be unlocked
            });

            // Verify state after action
            Assert.AreEqual("Cancel bike reservation", subsequent.ButtonText);
            Assert.IsTrue(subsequent.IsButtonVisible);
            Assert.AreEqual("Search lock", subsequent.LockitButtonText);
            Assert.IsTrue(subsequent.IsLockitButtonVisible);
        }

        /// <summary>
        /// Use case: Reserve bike.
        /// Final state: Reserved unknown.
        /// </summary>
        [Test]
        public void TestReserveAndConnectConnectStateUnknown()
        {
            var bike = Substitute.For<IBikeInfoMutable>();
            var connector = Substitute.For<IConnector>();
            var command = Substitute.For<ICommand>();
            var geolocation = Substitute.For<IGeolocation>();
            var locks = Substitute.For<ILocksService>();
            var pollingManager = Substitute.For<IPollingUpdateTaskManager>();
            var viewService = Substitute.For<IViewService>();
            var bikesViewModel = Substitute.For<IBikesViewModel>();
            var activeUser = Substitute.For<IUser>();
            var timeOuts = Substitute.For<ITimeOutProvider>();

            var handler = new DisposableDisconnected(
                bike,
                () => true, // isConnectedDelegate
                (isConnexted) => connector,
                geolocation,
                locks,
                () => pollingManager,
                Substitute.For<ISmartDevice>(),
                viewService,
                bikesViewModel,
                activeUser);

            bike.Id.Returns("0");

            viewService.DisplayAlert(string.Empty, "Reserve bike Nr. 0 free of charge for 15 min?", "Yes", "No").Returns(Task.FromResult(true));

            locks.TimeOut.Returns(timeOuts);

            bike.State.Value.Returns(InUseStateEnum.Reserved); // Reqesthandler factory queries state to create appropriate request handler object.
            bike.LockInfo.State.Returns(LockingState.UnknownFromHardwareError); // Connect did not throw an exception but lock state is still unknown.

            var subsequent = handler.HandleRequestOption1().Result;

            // Verify behaviour
            Received.InOrder(() =>
            {
                bikesViewModel.Received(1).IsIdle = false; // GUI must be locked
                bikesViewModel.ActionText = "One moment please...";
                pollingManager.StopUpdatePeridically(); // Polling must be stopped before any COPR and lock service action
                bikesViewModel.ActionText = "Reserving bike...";
                connector.Command.DoReserve(bike); // Booking must be performed
                bikesViewModel.ActionText = "Searching lock...";
                locks.ConnectAsync(Arg.Any<LockInfoAuthTdo>(), Arg.Any<TimeSpan>());
                bikesViewModel.ActionText = "Updating...";
                pollingManager.StartUpdateAyncPeridically(); // polling must be restarted again
                bikesViewModel.ActionText = "";
                bikesViewModel.Received(1).IsIdle = true; // GUI must be unlocked
            });

            // Verify state after action
            Assert.AreEqual("Cancel bike reservation", subsequent.ButtonText);
            Assert.IsTrue(subsequent.IsButtonVisible);
            Assert.AreEqual("Search lock", subsequent.LockitButtonText);
            Assert.IsTrue(subsequent.IsLockitButtonVisible);
        }

        [Test]
        public void TestNotsupported()
        {
            var handler = new DisposableDisconnected(
                Substitute.For<IBikeInfoMutable>(),
                () => true, // isConnectedDelegate
                (isConnexted) => Substitute.For<IConnector>(),
                Substitute.For<IGeolocation>(),
                Substitute.For<ILocksService>(),
                () => Substitute.For<IPollingUpdateTaskManager>(),
                Substitute.For<ISmartDevice>(),
                Substitute.For<IViewService>(),
                Substitute.For<IBikesViewModel>(),
                Substitute.For<IUser>());

            var subsequent = handler.HandleRequestOption2().Result;

            // Verify state after action
            Assert.AreEqual("Reserve bike", subsequent.ButtonText);
            Assert.IsTrue(subsequent.IsButtonVisible);
            Assert.AreEqual("DisposableDisconnected", subsequent.LockitButtonText);
            Assert.IsFalse(subsequent.IsLockitButtonVisible);
        }
    }
}