using Microsoft.Extensions.DependencyInjection;
using System;
using System.Diagnostics;
using System.Threading.Tasks;

namespace FastGithub.Scanner.Middlewares
{
    [Service(ServiceLifetime.Singleton)]
    sealed class ScanElapsedMiddleware : IMiddleware<GithubContext>
    {
        public async Task InvokeAsync(GithubContext context, Func<Task> next)
        {
            var stopwatch = new Stopwatch();
            try
            {
                stopwatch.Start();
                await next();
            }
            finally
            {
                stopwatch.Stop();
                context.Elapsed = stopwatch.Elapsed;
            }
        }
    }
}