// /**
//  * File: LoggingRouter.cs
//  * Author: haraldwolff
//  *
//  * This file and it's content is copyrighted by the Author and / or copyright holder.
//  * Any use wihtout proper permission is illegal and may lead to legal actions.
//  *
//  *
//  **/
using System;
using ln.logging;
using System.Diagnostics;
namespace ln.http.router
{
    public class LoggingRouter : IHttpRouter
    {
        IHttpRouter Next { get; }
        Logger Logger { get; }

        public LoggingRouter(IHttpRouter next)
            :this(next, Logger.Default)
        {}
        public LoggingRouter(IHttpRouter next,Logger logger)
        {
            Next = next;
            Logger = logger;
        }

        public HttpResponse Route(HttpRoutingContext routingContext, HttpRequest httpRequest)
        {
            DateTime start = DateTime.Now;
            HttpResponse response = null;

            try
            {
                response = Next.Route(routingContext, httpRequest);
            }
            catch (Exception e)
            {
                throw;
            }
            finally
            {
                DateTime end = DateTime.Now;
                TimeSpan duration = end - start;

                Logger.Log(LogLevel.INFO, "{0} {1} {2} {3} {4}",
                    start,
                    duration,
                    response?.StatusCode.ToString() ?? "-",
                    httpRequest.Method,
                    httpRequest.RequestURL
                    );
            }

            return response;
        }
    }
}