using System;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Moq;
using NUnit.Framework;
using LCU.Library.Internal.Exceptions;
using LCU.API.Internal.DocumentIngestor.Controllers;
using LCU.API.Internal.DocumentIngestor.Services.QueueServices;
using LCU.Library.Internal.DocumentIngestorModels.Models;
namespace LCU.API.Internal.DocumentIngestorTests.Controllers;

public class DocumentIngestorControllerTest
{
	private DocumentIngestorController _documentIngestorController;
	private Mock<IQueueDocumentIngestorService> _mockQueueDocumentIngestorService;

	[SetUp]
	public void Setup()
	{
		_mockQueueDocumentIngestorService = new Mock<IQueueDocumentIngestorService>();
		_documentIngestorController = new DocumentIngestorController(_mockQueueDocumentIngestorService.Object);
	}

	[Test]
	public async Task QueueDocumentIngestor_OK()
	{
		var request = new IngestorRequest();

		_mockQueueDocumentIngestorService.Setup(service => service.QueueDocumentIngestorRequest(request)).Verifiable();

		var result = await _documentIngestorController.QueueDocumentIngestor(request);
		Assert.NotNull(result);

		var okResult = result as AcceptedResult;
		Assert.NotNull(okResult);
		Assert.AreEqual(202, okResult!.StatusCode);
		_mockQueueDocumentIngestorService.Verify();
	}

	[Test]
	public async Task QueueDocumentIngestor_ServiceException_InternalServerError()
	{
		var request = new IngestorRequest();

		_mockQueueDocumentIngestorService.Setup(service =>
													service.QueueDocumentIngestorRequest(request))
										 .Throws(new ServiceException("Thrown From Unit Test")).Verifiable();

		var result = await _documentIngestorController.QueueDocumentIngestor(request);
		Assert.NotNull(result);

		var statusResult = result as ObjectResult;
		Assert.NotNull(statusResult);
		Assert.AreEqual(500, statusResult!.StatusCode);
		_mockQueueDocumentIngestorService.Verify();
	}

	[Test]
	public async Task QueueDocumentIngestor_UnexpectedException_InternalServerError()
	{
		var request = new IngestorRequest();

		_mockQueueDocumentIngestorService.Setup(service =>
													service.QueueDocumentIngestorRequest(request))
										 .Throws(new Exception("Thrown From Unit Test")).Verifiable();

		var result = await _documentIngestorController.QueueDocumentIngestor(request);
		Assert.NotNull(result);

		var statusResult = result as StatusCodeResult;
		Assert.NotNull(statusResult);
		Assert.AreEqual(500, statusResult!.StatusCode);
		_mockQueueDocumentIngestorService.Verify();
	}
}