using ApplicationCore.Exceptions;
using ApplicationCore.Interfaces;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc;
using Microsoft.eShopWeb.Controllers;
using Microsoft.Extensions.Logging;
using Moq;
using Xunit;

namespace UnitTests
{
    //public class CatalogControllerGetImage
    //{
    //    private Mock<IImageService> _mockImageService = new Mock<IImageService>();
    //    private Mock<IAppLogger<CatalogController>> _mockLogger = new Mock<IAppLogger<CatalogController>>();
    //    private CatalogController _controller;
    //    private int _testImageId = 123;
    //    private byte[] _testBytes = { 0x01, 0x02, 0x03 };

    //    public CatalogControllerGetImage()
    //    {
    //        _controller = new CatalogController(null, null, _mockImageService.Object,
    //            _mockLogger.Object);
    //    }

    //    [Fact]
    //    public void CallsImageServiceWithId()
    //    {
    //        SetupImageWithTestBytes();

    //        _controller.GetImage(_testImageId);
    //        _mockImageService.Verify();
    //    }

    //    [Fact]
    //    public void ReturnsFileResultWithBytesGivenSuccess()
    //    {
    //        SetupImageWithTestBytes();

    //        var result = _controller.GetImage(_testImageId);

    //        var fileResult = Assert.IsType<FileContentResult>(result);
    //        var bytes = Assert.IsType<byte[]>(fileResult.FileContents);
    //    }

    //    [Fact]
    //    public void ReturnsNotFoundResultGivenImageMissingException()
    //    {
    //        SetupMissingImage();

    //        var result = _controller.GetImage(_testImageId);

    //        var actionResult = Assert.IsType<NotFoundResult>(result);
    //    }

    //    [Fact]
    //    public void LogsWarningGivenImageMissingException()
    //    {
    //        SetupMissingImage();
    //        _mockLogger.Setup(l => l.LogWarning(It.IsAny<string>()))
    //            .Verifiable();

    //        _controller.GetImage(_testImageId);

    //        _mockLogger.Verify();
    //    }

    //    private void SetupMissingImage()
    //    {
    //        _mockImageService
    //            .Setup(i => i.GetImageBytesById(_testImageId))
    //            .Throws(new CatalogImageMissingException("missing image"));
    //    }

    //    private void SetupImageWithTestBytes()
    //    {
    //        _mockImageService
    //            .Setup(i => i.GetImageBytesById(_testImageId))
    //            .Returns(_testBytes)
    //            .Verifiable();
    //    }
    //}
}