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;
using LCU.Library.Internal.DocumentIngestorModels.Entities;
using System.Collections.Generic;
using LCU.Library.Internal.DocumentIngestorModels.Models.Pagination;
using LCU.Library.Internal.DocumentIngestorModels.Enums;
using System.Linq;
using LCU.Library.Internal.DocumentIngestorModels.Models;
using Microsoft.AspNetCore.Http;

namespace LCU.API.Internal.DocumentIngestorTests.Controllers;

public class DocumentProcessingInfoControllerTest
{
	private DocumentProcessingInfoController _documentProcessingInfoController;
	private Mock<IDocumentProcessingInfoService> _mockDocumentProcessingInfoService;

	[SetUp]
	public void Setup()
	{
		_mockDocumentProcessingInfoService = new Mock<IDocumentProcessingInfoService>();
		_documentProcessingInfoController = new DocumentProcessingInfoController(_mockDocumentProcessingInfoService.Object);
	}

	[Test]
	public async Task Get_OK()
	{
		var documentProcessingInfos = new List<DocumentProcessingInfo>()
		{
			new DocumentProcessingInfo()
			{
				DocumentProcessingInfoId = 1
			}
		};
		_mockDocumentProcessingInfoService.Setup(service => service.GetAsync())
								   .ReturnsAsync(documentProcessingInfos).Verifiable();

		var result = await _documentProcessingInfoController.Get();
		Assert.NotNull(result);

		var okResult = result as OkObjectResult;
		Assert.NotNull(okResult);
		Assert.AreEqual(200, okResult!.StatusCode);
		_mockDocumentProcessingInfoService.Verify();
	}

	[Test]
	public async Task Get_ServiceException_InternalServerError()
	{
		var documentProcessingInfos = new List<DocumentProcessingInfo>();
		_mockDocumentProcessingInfoService.Setup(service => service.GetAsync())
								   .ThrowsAsync(new ServiceException("Thrown From Unit Test")).Verifiable();

		var result = await _documentProcessingInfoController.Get();
		Assert.NotNull(result);

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

	[Test]
	public async Task Get_UnexpectedException_InternalServerError()
	{
		var documentProcessingInfos = new List<DocumentProcessingInfo>();
		_mockDocumentProcessingInfoService.Setup(service => service.GetAsync())
								   .ThrowsAsync(new Exception("Thrown From Unit Test")).Verifiable();

		var result = await _documentProcessingInfoController.Get();
		Assert.NotNull(result);

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

	[Test]
	public async Task GetById_OK()
	{
		var id = 1;
		var documentProcessingInfo = new DocumentProcessingInfo();
		_mockDocumentProcessingInfoService.Setup(service => service.GetByIdAsync(id))
								   .ReturnsAsync(documentProcessingInfo).Verifiable();

		var result = await _documentProcessingInfoController.GetById(id);
		Assert.NotNull(result);

		var okResult = result as OkObjectResult;
		Assert.NotNull(okResult);
		Assert.AreEqual(200, okResult!.StatusCode);
		_mockDocumentProcessingInfoService.Verify();
	}

	[Test]
	public async Task GetById_ServiceException_InternalServerError()
	{
		var id = 1;
		_mockDocumentProcessingInfoService.Setup(service => service.GetByIdAsync(id))
								   .ThrowsAsync(new ServiceException("Thrown From Unit Test")).Verifiable();

		var result = await _documentProcessingInfoController.GetById(id);
		Assert.NotNull(result);

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

	[Test]
	public async Task GetById_UnexpectedException_InternalServerError()
	{
		var id = 1;
		_mockDocumentProcessingInfoService.Setup(service => service.GetByIdAsync(id))
								   .ThrowsAsync(new Exception("Thrown From Unit Test")).Verifiable();

		var result = await _documentProcessingInfoController.GetById(id);
		Assert.NotNull(result);

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

	[Test]
	public async Task GetByIngestorRunInfoId_OK()
	{
		var ingestorRunInfoId = Guid.NewGuid();
		var documentProcessingInfos = new List<DocumentProcessingInfo>()
		{
			new DocumentProcessingInfo()
			{
				DocumentProcessingInfoId = 1
			}
		};
		_mockDocumentProcessingInfoService.Setup(service => service.GetByIngestorRunInfoIdAsync(ingestorRunInfoId))
								   .ReturnsAsync(documentProcessingInfos).Verifiable();

		var result = await _documentProcessingInfoController.GetByIngestorRunInfoId(ingestorRunInfoId);
		Assert.NotNull(result);

		var okResult = result as OkObjectResult;
		Assert.NotNull(okResult);
		Assert.AreEqual(200, okResult!.StatusCode);
		_mockDocumentProcessingInfoService.Verify();
	}

	[Test]
	public async Task GetByIngestorRunInfoId_ServiceException_InternalServerError()
	{
		var ingestorRunInfoId = Guid.NewGuid();
		_mockDocumentProcessingInfoService.Setup(service => service.GetByIngestorRunInfoIdAsync(ingestorRunInfoId))
								   .ThrowsAsync(new ServiceException("Thrown From Unit Test")).Verifiable();

		var result = await _documentProcessingInfoController.GetByIngestorRunInfoId(ingestorRunInfoId);
		Assert.NotNull(result);

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

	[Test]
	public async Task GetByIngestorRunInfoId_UnexpectedException_InternalServerError()
	{
		var ingestorRunInfoId = Guid.NewGuid();
		_mockDocumentProcessingInfoService.Setup(service => service.GetByIngestorRunInfoIdAsync(ingestorRunInfoId))
								   .ThrowsAsync(new Exception("Thrown From Unit Test")).Verifiable();

		var result = await _documentProcessingInfoController.GetByIngestorRunInfoId(ingestorRunInfoId);
		Assert.NotNull(result);

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

	[Test]
	public async Task Post_CreatedAtAction()
	{
		var ingestorRunInfoId = Guid.NewGuid();
		var request = new DocumentProcessingInfo()
		{
			IngestorRunInfoId = ingestorRunInfoId,
			DocumentValuePayload = "Test"
		};

		var requestReturn = new DocumentProcessingInfo()
		{
			DocumentProcessingInfoId = 1,
			DocumentValuePayload = "Test",
			IngestorRunInfoId = Guid.NewGuid()
		};
		_mockDocumentProcessingInfoService.Setup(service => service.SaveAsync(request)).ReturnsAsync(requestReturn).Verifiable();

		var result = await _documentProcessingInfoController.Post(request);
		Assert.NotNull(result);

		var okResult = result as CreatedAtActionResult;
		Assert.NotNull(okResult);
		Assert.AreEqual(201, okResult!.StatusCode);
		_mockDocumentProcessingInfoService.Verify();
	}

	[Test]
	public async Task Post_ServiceException_InternalServerError()
	{
		var request = new DocumentProcessingInfo();
		_mockDocumentProcessingInfoService.Setup(service =>
											 service.SaveAsync(request))
								   .ThrowsAsync(new ServiceException("Thrown From Unit Test")).Verifiable();

		var result = await _documentProcessingInfoController.Post(request);
		Assert.NotNull(result);

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

	[Test]
	public async Task Post_UnexpectedException_InternalServerError()
	{
		var request = new DocumentProcessingInfo();
		_mockDocumentProcessingInfoService.Setup(service =>
											 service.SaveAsync(request))
								   .ThrowsAsync(new ServiceException("Thrown From Unit Test")).Verifiable();

		var result = await _documentProcessingInfoController.Post(request);
		Assert.NotNull(result);

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

	[Test]
	public async Task Put_OK()
	{
		var request = new DocumentProcessingInfo();
		_mockDocumentProcessingInfoService.Setup(service => service.Update(request)).ReturnsAsync(request).Verifiable();

		var result = await _documentProcessingInfoController.Put(request);
		Assert.NotNull(result);

		var okResult = result as OkObjectResult;
		Assert.NotNull(okResult);
		Assert.AreEqual(200, okResult!.StatusCode);
		_mockDocumentProcessingInfoService.Verify();
	}

	[Test]
	public async Task Put_ServiceException_InternalServerError()
	{
		var request = new DocumentProcessingInfo();
		_mockDocumentProcessingInfoService.Setup(service =>
											 service.Update(request))
								   .Throws(new ServiceException("Thrown From Unit Test")).Verifiable();

		var result = await _documentProcessingInfoController.Put(request);
		Assert.NotNull(result);

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

	[Test]
	public async Task Put_UnexpectedException_InternalServerError()
	{
		var request = new DocumentProcessingInfo();
		_mockDocumentProcessingInfoService.Setup(service =>
											 service.Update(request))
								   .Throws(new ServiceException("Thrown From Unit Test")).Verifiable();

		var result = await _documentProcessingInfoController.Put(request);
		Assert.NotNull(result);

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

	[Test]
	public async Task Delete_OK()
	{
		var id = 1;
		_mockDocumentProcessingInfoService.Setup(service => service.Delete(id)).Verifiable();

		var result = await _documentProcessingInfoController.Delete(id);
		Assert.NotNull(result);

		var okResult = result as OkResult;
		Assert.NotNull(okResult);
		Assert.AreEqual(200, okResult!.StatusCode);
		_mockDocumentProcessingInfoService.Verify();
	}

	[Test]
	public async Task Delete_ServiceException_InternalServerError()
	{
		var id = 1;
		_mockDocumentProcessingInfoService.Setup(service =>
											 service.Delete(id))
								   .Throws(new ServiceException("Thrown From Unit Test")).Verifiable();

		var result = await _documentProcessingInfoController.Delete(id);
		Assert.NotNull(result);

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

	[Test]
	public async Task Delete_UnexpectedException_InternalServerError()
	{
		var id = 1;
		_mockDocumentProcessingInfoService.Setup(service =>
											 service.Delete(id))
								   .Throws(new ServiceException("Thrown From Unit Test")).Verifiable();

		var result = await _documentProcessingInfoController.Delete(id);
		Assert.NotNull(result);

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

	[Test]
	public async Task PagedFilter_Ok()
	{

		// Arrange
		var filter = new Filter()
		{
			Limit = 2,
			Page = 1
		};

		_mockDocumentProcessingInfoService.Setup(service => service.GetFilteredDocumentProcessingInfo(filter))
			.ReturnsAsync(new PagedResult<DocumentProcessingInfo>()
			{
				Total = 4,
				Items = new List<DocumentProcessingInfo>()
				{
						new DocumentProcessingInfo() {DocumentProcessingInfoId = 1},
						new DocumentProcessingInfo() {DocumentProcessingInfoId = 2},
						new DocumentProcessingInfo() {DocumentProcessingInfoId = 3},
						new DocumentProcessingInfo() {DocumentProcessingInfoId = 4}
				}
			});

		// Act
		var result = await _documentProcessingInfoController.GetFilteredDocumentProcessingInfo(filter);

		// Assert
		Assert.NotNull(result);

		var okObject = result as OkObjectResult;
		Assert.NotNull(okObject);

		var pagedResponse = okObject.Value as PagedResponse<DocumentProcessingInfo>;
		Assert.NotNull(pagedResponse);

		Assert.AreEqual(4, pagedResponse.TotalItems);

		Assert.AreEqual(1, pagedResponse.Items.ElementAt(0).DocumentProcessingInfoId);
		Assert.AreEqual(2, pagedResponse.Items.ElementAt(1).DocumentProcessingInfoId);

		Assert.AreEqual(0, pagedResponse.PreviousPage);
		Assert.AreEqual(2, pagedResponse.NextPage);
		Assert.AreEqual(2, pagedResponse.TotalPages);
	}

	[Test]
	public async Task SetDocumentsToEntityUnknown_OK()
	{
		var request = new EntityUnknownRequest()
		{
			UserName = "System",
			DocumentProcessingInfoIds = new List<int>() { 1, 2, 3 }
		};
		var documentProcessingInfos = new List<DocumentProcessingInfo>()
		{
			new()
			{
				DocumentProcessingInfoId = 1,
			},
			new()
			{
				DocumentProcessingInfoId = 2,
			},
			new()
			{
				DocumentProcessingInfoId = 3,
			}
		};
		_mockDocumentProcessingInfoService.Setup(service => service.SetDocumentsToEntityUnknown(request)).ReturnsAsync(documentProcessingInfos).Verifiable();

		var result = await _documentProcessingInfoController.SetDocumentsToEntityUnknown(request);
		Assert.NotNull(result);

		var okResult = result as OkObjectResult;
		Assert.NotNull(okResult);
		Assert.AreEqual(200, okResult!.StatusCode);
		_mockDocumentProcessingInfoService.Verify();
	}

	[Test]
	public async Task SetDocumentsToEntityUnknown_ServiceException_InternalServerError()
	{
		var request = new EntityUnknownRequest()
		{
			UserName = "System",
			DocumentProcessingInfoIds = new List<int>() { 1, 2, 3 }
		};
		_mockDocumentProcessingInfoService.Setup(service =>
				service.SetDocumentsToEntityUnknown(request))
			.Throws(new ServiceException("Thrown From Unit Test")).Verifiable();

		var result = await _documentProcessingInfoController.SetDocumentsToEntityUnknown(request);
		Assert.NotNull(result);

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

	[Test]
	public async Task UpdateStatus_OK()
	{
		var documentProcessingInfoId = DateTime.Now.Millisecond;
		var request = new DocumentProcessingInfoStatusRequest()
		{
			DocumentProcessingInfoId = documentProcessingInfoId,
			ProcessStatus = ProcessStatusTypes.Reprocessing,
			ReasonMessage = Guid.NewGuid().ToString(),
			Username = Guid.NewGuid().ToString()
		};
		var documentProcessingInfo = new DocumentProcessingInfo()
		{
			DocumentProcessingInfoId = DateTime.Now.Millisecond,
			StatusType = ProcessStatusTypes.CriticalFailure
		};
		_mockDocumentProcessingInfoService.Setup(service => service.UpdateDocumentProcessingInfoStatus(request)).ReturnsAsync(documentProcessingInfo).Verifiable();

		var result = await _documentProcessingInfoController.UpdateDocumentProcessingInfoStatus(request);
		Assert.NotNull(result);

		var okResult = result as OkObjectResult;
		Assert.NotNull(okResult);
		Assert.AreEqual(200, okResult!.StatusCode);
		_mockDocumentProcessingInfoService.Verify();
	}

	[Test]
	public async Task UpdateStatus_ServiceException_InternalServerError()
	{
		var documentProcessingInfoId = DateTime.Now.Millisecond;
		var request = new DocumentProcessingInfoStatusRequest()
		{
			DocumentProcessingInfoId = documentProcessingInfoId,
			ProcessStatus = ProcessStatusTypes.Reprocessing,
			ReasonMessage = Guid.NewGuid().ToString(),
			Username = Guid.NewGuid().ToString()
		};
		_mockDocumentProcessingInfoService.Setup(service =>
				service.UpdateDocumentProcessingInfoStatus(request))
			.Throws(new ServiceException("Thrown From Unit Test")).Verifiable();

		var result = await _documentProcessingInfoController.UpdateDocumentProcessingInfoStatus(request);
		Assert.NotNull(result);

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

	[Test]
	public async Task UpdateStatus_NoContent()
	{
		var documentProcessingInfoId = DateTime.Now.Millisecond;
		var request = new DocumentProcessingInfoStatusRequest()
		{
			DocumentProcessingInfoId = documentProcessingInfoId,
			ProcessStatus = ProcessStatusTypes.Reprocessing,
			ReasonMessage = Guid.NewGuid().ToString()
		};
		DocumentProcessingInfo? documentProcessingInfo = null;
		_mockDocumentProcessingInfoService.Setup(service =>
				service.UpdateDocumentProcessingInfoStatus(request))
			.ReturnsAsync(documentProcessingInfo);

		var result = await _documentProcessingInfoController.UpdateDocumentProcessingInfoStatus(request);
		Assert.NotNull(result);

		var statusResult = result as NoContentResult;
		Assert.IsNotNull(statusResult);
		Assert.AreEqual(204, statusResult!.StatusCode);
		_mockDocumentProcessingInfoService.Verify();
	}

	[Test]
	public async Task GetByDocumentIds_InfoServiceReturnsResults_Returns200OkResults()
	{
		var ids = Enumerable.Repeat(Guid.NewGuid, 5)
			.Select(f => f())
			.ToArray();
		var infos = new Dictionary<Guid, DocumentProcessingInfo>();
		_mockDocumentProcessingInfoService
			.Setup(dpis => dpis.GetByDocumentIdsAsync(ids))
			.ReturnsAsync(infos);

		var result = await _documentProcessingInfoController.GetByDocumentIds(ids);

		Assert.IsInstanceOf<OkObjectResult>(result);
		Assert.AreEqual(StatusCodes.Status200OK, ((OkObjectResult)result).StatusCode);
		Assert.AreEqual(infos, ((OkObjectResult)result).Value);
	}

	[Test]
	public async Task GetByDocumentIds_InfoServiceThrowsException_Returns500InternalServerError()
	{
		var ids = Enumerable.Repeat(Guid.NewGuid, 5)
			.Select(f => f())
			.ToArray();
		_mockDocumentProcessingInfoService
			.Setup(dpis => dpis.GetByDocumentIdsAsync(ids))
			.ThrowsAsync(new Exception());

		var result = await _documentProcessingInfoController.GetByDocumentIds(ids);

		Assert.IsInstanceOf<StatusCodeResult>(result);
		Assert.AreEqual(StatusCodes.Status500InternalServerError, ((StatusCodeResult)result).StatusCode);
	}

	[Test]
	public async Task GetByDocumentIds_InfoServiceThrowsServiceException_Returns500InternalServerError()
	{
		var ids = Enumerable.Repeat(Guid.NewGuid, 5)
			.Select(f => f())
			.ToArray();
		_mockDocumentProcessingInfoService
			.Setup(dpis => dpis.GetByDocumentIdsAsync(ids))
			.ThrowsAsync(new ServiceException(string.Empty));

		var result = await _documentProcessingInfoController.GetByDocumentIds(ids);

		Assert.IsInstanceOf<ObjectResult>(result);
		Assert.AreEqual(StatusCodes.Status500InternalServerError, ((ObjectResult)result).StatusCode);
	}
}