using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Security.Authentication;
using System.Threading;
using System.Threading.Tasks;
using System.Web;
using System.Web.Http;
using System.Web.Http.Controllers;
using Tango.Logging;

namespace Tango.Web.Controllers
{
    public class ProtoController : ApiController
    {
        protected LogManager LogManager { get; private set; }

        public ProtoController()
        {
            LogManager = LogManager.Default;
        }

        public override async Task<HttpResponseMessage> ExecuteAsync(HttpControllerContext context, CancellationToken cancellationToken)
        {
            string controllerName = String.Empty;
            string actionName = String.Empty;

            try
            {
                var routeData = HttpContext.Current.Request.RequestContext.RouteData;
                actionName = routeData.Values["action"].ToString();
                controllerName = routeData.Values["controller"].ToString();
            }
            catch { }

            try
            {
                LogManager.Log($"Request Received on {controllerName + "/" + actionName}.");

                var result = await base.ExecuteAsync(context, cancellationToken);
                return result;
            }
            catch (Exception ex)
            {
                LogManager.Log(ex, $"An error occurred while processing the request message on {controllerName + "/" + actionName}.");

                HttpStatusCode code = HttpStatusCode.InternalServerError;

                if (ex is ArgumentException)
                {
                    code = HttpStatusCode.BadRequest;
                }
                else if (ex is AuthenticationException)
                {
                    code = HttpStatusCode.Unauthorized;
                }

                throw new HttpResponseException(Request.CreateErrorResponse(code, ex.Message));
            }
        }
    }
}