using System;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Moq;
using NUnit.Framework;
using LCU.Library.Internal.Exceptions;
using LCU.Library.Internal.DocumentIngestorModels.Models;
using LCU.API.Internal.DocumentIngestor.Controllers;
using LCU.API.Internal.DocumentIngestor.Services.IngestionOperationServices;
using System.Collections.Generic;

namespace LCU.API.Internal.DocumentIngestorTests.Controllers;

public class OsgPreprocessorControllerTest
{
	private OsgPreprocessorController _osgPreprocessorController;
	private Mock<IOsgPreprocessorService> _mockOsgPreprocessorService;

	[SetUp]
	public void Setup()
	{
		_mockOsgPreprocessorService = new Mock<IOsgPreprocessorService>();
		_osgPreprocessorController = new OsgPreprocessorController(_mockOsgPreprocessorService.Object);
	}

	[Test]
	public async Task PreprocessOsgIndexFile_Accepted()
	{
		var request = new OsgPreprocessorRequest
		{
			SourceBasePath = "\\\\Tester\\Source",
			WorkingBasePath = "\\\\Tester\\Working",
			OutputBasePath = "\\\\Tester\\Output",
			IncompleteOutputBasePath = "\\\\Tester\\Incomplete"
		};

		_mockOsgPreprocessorService.Setup(service => service.HandleOsgPreprocessing(request)).Verifiable();

		var result = await _osgPreprocessorController.PreprocessOsgIndexFile(request);
		Assert.NotNull(result);

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

	[Test]
	public async Task PreprocessOsgIndexFile_Failure_UnexpectedException()
	{
		var request = new OsgPreprocessorRequest
		{
			SourceBasePath = "\\\\Tester\\Source",
			WorkingBasePath = "\\\\Tester\\Working",
			OutputBasePath = "\\\\Tester\\Output",
			IncompleteOutputBasePath = "\\\\Tester\\Incomplete"
		};
		_mockOsgPreprocessorService.Setup(service => service.HandleOsgPreprocessing(request))
										.Throws(new Exception("Thrown From Unit Test")).Verifiable();

		var result = await _osgPreprocessorController.PreprocessOsgIndexFile(request);
		Assert.NotNull(result);

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

	[Test]
	public async Task PreprocessOsgIndexFile_Failure_ServiceException()
	{
		var request = new OsgPreprocessorRequest
		{
			SourceBasePath = "\\\\Tester\\Source",
			WorkingBasePath = "\\\\Tester\\Working",
			OutputBasePath = "\\\\Tester\\Output",
			IncompleteOutputBasePath = "\\\\Tester\\Incomplete"
		};
		_mockOsgPreprocessorService.Setup(service => service.HandleOsgPreprocessing(request))
										.Throws(new ServiceException("Thrown From Unit Test")).Verifiable();

		var result = await _osgPreprocessorController.PreprocessOsgIndexFile(request);
		Assert.NotNull(result);

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