using System.Reflection;
using log4net;

namespace skyscraper8.Tests.NUnit;

[NonParallelizable]
public class SkyscrapersTestingFramework
{
    private static readonly ILog logger = LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType.Name);
    private static Guid? _sessionId;
    
    [SetUp]
    public void Setup()
    {
        if (_sessionId == null)
        {
            _sessionId = Guid.NewGuid();
            Console.WriteLine("New session: " + _sessionId);
        }
        Console.WriteLine("Setup");
    }
    
    [TearDown]
    public void TearDown()
    {
        Console.WriteLine("TearDown");

        TestContext currentContext = TestContext.CurrentContext;
    }
    
    public TException AssertTargetInvocation<TException>(TestDelegate action)
    where TException : Exception
    {
        TargetInvocationException exeption = Assert.Throws<TargetInvocationException>(action);
        
        Assert.That(exeption.InnerException, Is.TypeOf<TException>());
        
        return (TException)exeption.InnerException;   
    }

    private DirectoryInfo _samplesDirectory;
    private DirectoryInfo GetSamplesDirectory()
    {
        if (_samplesDirectory == null)
        {
            FileInfo fi = new FileInfo("sample_path.txt");
            if (!fi.Exists)
            {
                logger.WarnFormat("Could not find {0}", fi.FullName);
            }
            else
            {
                logger.InfoFormat("Reading samples path from: {0}", fi.FullName);
                string readAllText = File.ReadAllText(fi.FullName).Trim();
                _samplesDirectory = new DirectoryInfo(readAllText);                
            }
            
            
        }

        if (_samplesDirectory == null)
        {
            Assert.Inconclusive("Could not find samples directory");
        }

        return _samplesDirectory;
    }
    
    protected FileStream GetStreamSample(string filename)
    {
        DirectoryInfo samplesDirectory = GetSamplesDirectory();
        FileInfo file = new FileInfo(Path.Combine(samplesDirectory.FullName, filename));
        if (!file.Exists)
        {
            Assert.Inconclusive(String.Format("Could not find sample file: {0}", file.FullName));           
        }
        return file.OpenRead();
    }
}