using System;
using System.Threading.Tasks;
using NSubstitute;
using NUnit.Framework;
using ShareeBike.Model.Bikes.BikeInfoNS.BluetoothLock;
using ShareeBike.Services.BluetoothLock;
using ShareeBike.Services.BluetoothLock.Tdo;
using static ShareeBike.Model.Bikes.BikeInfoNS.BluetoothLock.Command.DisconnectCommand;
using ShareeBike.Services.BluetoothLock.Exception;

namespace SharedBusinessLogic.Tests.Model.Bikes.BikeInfoNS.BluetoothLock.Command
{
	[TestFixture]
	public class TestDisconnectCommand
	{
		/// <summary>
		/// Use case: Disconnect lock
		/// </summary>
		[Test]
		public async Task TestDisconnect()
		{
			var bike = Substitute.For<IBikeInfoMutable>();
			var locks = Substitute.For<ILocksService>();
			var listener = Substitute.For<IDisconnectCommandListener>();

			bike.LockInfo.Id.Returns(0);
			bike.LockInfo.State.Returns(LockingState.Closed);

			await locks.DisconnectAsync(Arg.Any<int>(), Arg.Any<Guid>());

			await InvokeAsync<TestDisconnectCommand>(
				bike,
				locks,
				listener);

			Assert.That(
				bike.LockInfo.State,
				Is.EqualTo(LockingState.UnknownDisconnected));

			// Verify behavior
			Received.InOrder(async () =>
			{
				listener.Received().ReportStep(Step.DisconnectLock);
				await locks.DisconnectAsync(Arg.Any<int>(), Arg.Any<Guid>());
			});
		}

		/// <summary>
		/// Use case: Disconnect lock
		/// </summary>
		[Test]
		public async Task TestDisconnectException()
		{
			var bike = Substitute.For<IBikeInfoMutable>();
			var locks = Substitute.For<ILocksService>();
			var listener = Substitute.For<IDisconnectCommandListener>();

			bike.LockInfo.Id.Returns(0);
			bike.LockInfo.State.Returns(LockingState.Closed);

			locks.DisconnectAsync(Arg.Any<int>(), Arg.Any<Guid>())
				.Returns<Task>(x => throw new Exception("exception"));

			await InvokeAsync<TestDisconnectCommand>(
				bike,
				locks,
				listener);

			Assert.That(
				bike.LockInfo.State,
				Is.EqualTo(LockingState.Closed));

			// Verify behavior
			Received.InOrder(async () =>
			{
				listener.Received().ReportStep(Step.DisconnectLock);
				await locks.DisconnectAsync(Arg.Any<int>(), Arg.Any<Guid>());
				await listener.Received().ReportStateAsync(State.GeneralDisconnectError,"exception");
			});
		}
	}
}