using System.Linq;
using Xunit;
using LCU.Library.Internal.FileOperationsModels.Models;
using LCU.Api.Internal.FileOperations.Validations;
namespace LCU.Api.Internal.FileOperationsTests.Services.Validations;

public class FileValidationTest
{
	[Fact]
	public void IsSourceEmpty_SourceEmpty_ReturnIsValid_False()
	{
		// arrange
		var sourcePath = "";
		var responseRequest = new RequestResponse();

		// act
		responseRequest = FileValidation.ValidateSourceNotEmpty(sourcePath, responseRequest);

		// assert
		Assert.False(responseRequest.IsSuccessful);
		Assert.Equal("Source is empty and is required.", responseRequest.MessageStack.FirstOrDefault());
	}

	[Fact]
	public void IsSourceEmpty_SourceNotEmpty_ReturnIsValid_True()
	{
		// arrange
		var sourcePath = "TESTSource";
		var responseRequest = new RequestResponse();

		// act
		responseRequest = FileValidation.ValidateSourceNotEmpty(sourcePath, responseRequest);

		// assert
		Assert.True(responseRequest.IsSuccessful);
		Assert.Empty(responseRequest.MessageStack);
	}

	[Fact]
	public void IsDestinationEmpty_DestinationEmpty_ReturnIsValid_False()
	{
		// arrange
		var sourcePath = "";
		var responseRequest = new RequestResponse();

		// act
		responseRequest = FileValidation.ValidateDestinationNotEmpty(sourcePath, responseRequest);

		// assert
		Assert.False(responseRequest.IsSuccessful);
		Assert.Equal("Destination is empty and is required.", responseRequest.MessageStack.FirstOrDefault());
	}

	[Fact]
	public void IsDestinationEmpty_DestinationNotEmpty_ReturnIsValid_True()
	{
		// arrange
		var destinationPath = "TESTDestination";
		var responseRequest = new RequestResponse();

		// act
		responseRequest = FileValidation.ValidateDestinationNotEmpty(destinationPath, responseRequest);

		// assert
		Assert.True(responseRequest.IsSuccessful);
		Assert.Empty(responseRequest.MessageStack);
	}

	[Fact]
	public void IsFilenameEmpty_FilenameEmpty_ReturnIsValid_False()
	{
		// arrange
		var filename = "";
		var responseRequest = new RequestResponse();

		// act
		responseRequest = FileValidation.ValidateFilenameNotEmpty(filename, responseRequest);

		// assert
		Assert.False(responseRequest.IsSuccessful);
		Assert.Equal("Filename is empty and is required.", responseRequest.MessageStack.FirstOrDefault());
	}

	[Fact]
	public void IsFilenameEmpty_FilenameNotEmpty_ReturnIsValid_True()
	{
		// arrange
		var filename = "TESTFilename";
		var responseRequest = new RequestResponse();

		// act
		responseRequest = FileValidation.ValidateDestinationNotEmpty(filename, responseRequest);

		// assert
		Assert.True(responseRequest.IsSuccessful);
		Assert.Empty(responseRequest.MessageStack);
	}

	[Fact]
	public void IsFilenameValid_FilenameNotValid_ReturnIsValid_False()
	{
		// arrange
		var filename = "/**";
		var responseRequest = new RequestResponse();

		// act
		responseRequest = FileValidation.ValidateFilename(filename, responseRequest);

		// assert
		Assert.False(responseRequest.IsSuccessful);
		Assert.Equal("File name is invalid.", responseRequest.MessageStack.FirstOrDefault());
	}

	[Fact]
	public void IsFilenameValid_FilenameValid_ReturnIsValid_True()
	{
		// arrange
		var filename = "TESTFilename";
		var responseRequest = new RequestResponse();

		// act
		responseRequest = FileValidation.ValidateFilename(filename, responseRequest);

		// assert
		Assert.True(responseRequest.IsSuccessful);
		Assert.Empty(responseRequest.MessageStack);
	}
}