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 FosLoanStatementIndexServiceTest
{
	private FosLoanStatementIndexService _fosLoanStatementIndexService;
	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 = "3"
						}
					}
				}
			}
		};
		_fosLoanStatementIndexService = new FosLoanStatementIndexService(_mockFileOperationsApiService.Object,
																		 serviceFactoryConfiguration);
	}

	[Test]
	public async Task HandleIndexRequest_IngestorRequest_Null_IngestorResult_Failure()
	{
		IngestorRequest request = null;
		var result = await _fosLoanStatementIndexService.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 = "NAU123456789.91.21.txt",
			IngestorType = IngestorTypes.FosLoanStatement
		};
		var fileContent = "\"Mortgage Statement\"|\"11111111111111111111111\"|\"11\"|\"N\"|\"1111\"" +
						  "|\"Test, Tester\"|\"test@test.com\"|\"111111111\"|\"2\"|\"4\"|\"test.pdf\"\n" +
						  "\"Loan Statement\"|\"11111111111111111111111\"|\"11\"|\"N\"|\"1111\"" +
						  "|\"Tester Testing\"|\"test1@test.com\"|\"111111111\"|\"1\"|\"3\"|\"tester.pdf\"";
		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 _fosLoanStatementIndexService.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 = "Test.csv",
			IngestorType = IngestorTypes.FosLoanStatement
		};
		_mockFileOperationsApiService.Setup(x => x.GetFileContent(It.IsAny<string>())).ThrowsAsync(new Exception("Error"));

		var result = await _fosLoanStatementIndexService.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 = "Test.csv",
			IngestorType = IngestorTypes.FosLoanStatement
		};

		var documentMetaData = new List<FosLoanStatement>()
		{
			new FosLoanStatement()
			{
				AccountNumber = "111111",
				CreationDate = "04012023",
				DocName = "test.pdf",
				EmailAddress = "test@test.com",
				EntityName = "Test Tester",
				StartingPage = "2",
				NumberOfPages = "3",
				DocType = "Mortgage Statement"
			}
		};
		var ingestorResult = new IngestorResult();

		var result = _fosLoanStatementIndexService.PrepareRunInfoAndProcessRequests(request, documentMetaData, ingestorResult);
		Assert.IsFalse(result.FatalFailure);
		Assert.AreEqual(1, result.ProcessingRequests.Count);
		Assert.AreEqual("Test.csv", result.IngestorRunInfo.IndexFileName);
		Assert.AreEqual(IngestorTypes.FosLoanStatement, result.IngestorRunInfo.IngestorType);
		Assert.AreEqual("\\Test\\", result.IngestorRunInfo.IndexFilePath);
	}
}