using System;
using System.Threading.Tasks;
using System.Collections.Generic;
using Moq;
using NUnit.Framework;
using LCU.API.Internal.DocumentIngestor.Services.MicroApiServices;
using LCU.API.Internal.DocumentIngestor.Services.IndexParserServices;
using LCU.Library.Internal.DocumentIngestorModels.Models;
using LCU.Library.Internal.DocumentIngestorModels.Enums;
using LCU.Library.Internal.DocumentIngestorModels.Models.IndexFileDocuments;
using LCU.Library.Internal.FileOperationsModels.Models;
using LCU.Library.Internal.FileOperationsModels.Models.NameSettings;
using LCU.Library.Internal.LCUServiceFactory.Configurations;

namespace LCU.API.Internal.DocumentIngestorTests.Services.IndexParserServices;

public class OsgDnaNoticesIndexServiceTest
{
	private OsgDnaNoticesIndexService _osgDnaNoticesIndexService;
	private Mock<IFileOperationsApiService> _mockFileOperationsApiService;

	[SetUp]
	public void Setup()
	{
		_mockFileOperationsApiService = new Mock<IFileOperationsApiService>();
		var serviceFactoryConfiguration = new ServicesFactoryConfiguration
		{
			ServiceFactoryRegistrations = new List<ServiceFactoryRegistration>
			{
				new()
				{
					ServiceInterfaceName = "IIndexParserService",
					ServiceRegistrations = new List<ServiceRegistration>
					{
						new()
						{
							ServiceName = "IndexParserService",
							ServiceId = "4"
						},
						new()
						{
							ServiceName = "IndexParserService",
							ServiceId = "1"
						}
					}
				}
			}
		};
		_osgDnaNoticesIndexService = new OsgDnaNoticesIndexService(_mockFileOperationsApiService.Object,
																   serviceFactoryConfiguration);
	}

	[Test]
	public async Task HandleIndexRequest_IngestorRequest_Null_IngestorResult_Failure()
	{
		IngestorRequest request = null;
		var result = await _osgDnaNoticesIndexService.HandleIndexRequest(request);
		Assert.IsTrue(result.FatalFailure);
		_mockFileOperationsApiService.Verify(x => x.GetFileContent(It.IsAny<string>()), Times.Never);
	}

	[Test]
	public async Task HandleIndexRequest_IngestorRequest_Success()
	{
		var rootPath = "\\Test\\";
		var request = new IngestorRequest()
		{
			RootPath = rootPath,
			IndexFileName = "PDFXREF.TXT",
			IngestorType = IngestorTypes.OsgDnaNoticesDocument
		};
		var fileContent = "00000001|LCL_LT_114_03|5651830147|5651830|20220823|1|1\n" +
						  "00000002|LVI_LT_105_03|19619353841|8996218227|20220823|2|1\n";

		var requestResponse = new RequestResponse()
		{
			IsSuccessful = true
		};
		var dynamicFileRequest = new DynamicFileListRequest()
		{
			Path = rootPath,
			Filename = "replaceTag.pdf",
			DynamicFileSettings = new DynamicNameSetting()
			{
				RegexSettings = new List<RegexSetting>()
				{
					new RegexSetting()
					{
						Tag = "replaceTag",
						Regex = ".*"
					}
				}
			}
		};
		_mockFileOperationsApiService.Setup(x => x.GetFileContent(It.IsAny<string>())).ReturnsAsync(fileContent);

		var result = await _osgDnaNoticesIndexService.HandleIndexRequest(request);

		Assert.IsFalse(result.FatalFailure);
		Assert.AreEqual(2, result.ProcessingRequests.Count);
		_mockFileOperationsApiService.Verify(x => x.GetFileContent(It.IsAny<string>()), Times.Once);
	}

	[Test]
	public async Task HandleIndexRequest_IngestorRequest_GetFileContent_ThrowsException_Failure()
	{
		var request = new IngestorRequest()
		{
			RootPath = "\\Test\\",
			IndexFileName = "PDFXREF.TXT",
			IngestorType = IngestorTypes.OsgDnaNoticesDocument
		};
		_mockFileOperationsApiService.Setup(x => x.GetFileContent(It.IsAny<string>())).ThrowsAsync(new Exception("Error"));

		var result = await _osgDnaNoticesIndexService.HandleIndexRequest(request);

		Assert.IsTrue(result.FatalFailure);
		_mockFileOperationsApiService.Verify(x => x.GetFileContent(It.IsAny<string>()), Times.Once);
	}

	[Test]
	public void PrepareRunInfoAndProcessRequests_IngestorRunInfo_ProcessRequests_Created()
	{
		var request = new IngestorRequest()
		{
			RootPath = "\\Test\\",
			IndexFileName = "PDFXREF.TXT",
			IngestorType = IngestorTypes.OsgDnaNoticesDocument
		};

		var documentMetaData = new List<OsgDnaNoticesDocument>()
		{
			new OsgDnaNoticesDocument()
			{
				DocType = "TestDocType",
				AccountNumber = "1",
				MemberNumberOrUserId = "2",
				CreationDate = "20220823",
				StartingPage = "1",
				NumberOfPages = "3"
			}
		};
		var ingestorResult = new IngestorResult();

		var result = _osgDnaNoticesIndexService.PrepareRunInfoAndProcessRequests(request, documentMetaData, ingestorResult);

		Assert.IsFalse(result.FatalFailure);
		Assert.AreEqual(1, result.ProcessingRequests.Count);
		Assert.AreEqual("PDFXREF.TXT", result.IngestorRunInfo.IndexFileName);
		Assert.AreEqual(IngestorTypes.OsgDnaNoticesDocument, result.IngestorRunInfo.IngestorType);
		Assert.AreEqual("\\Test\\", result.IngestorRunInfo.IndexFilePath);
	}
}