using System;
using System.Collections.Generic;
using NLog;
using Nancy.Bootstrapper;
using Nancy.Conventions;
using Nancy.Diagnostics;
using NzbDrone.Api.ErrorManagement;
using NzbDrone.Api.Extensions;
using NzbDrone.Api.Frontend;
using NzbDrone.Common;
using NzbDrone.Core.Configuration;
using NzbDrone.Core.Lifecycle;
using TinyIoC;
using ErrorPipeline = NzbDrone.Api.ErrorManagement.ErrorPipeline;

namespace NzbDrone.Api
{
    public class TinyNancyBootstrapper : TinyIoCNancyBootstrapper
    {
        private readonly TinyIoCContainer _tinyIoCContainer;
        private readonly Logger _logger;

        public TinyNancyBootstrapper(TinyIoCContainer tinyIoCContainer)
        {
            _tinyIoCContainer = tinyIoCContainer;
            _logger = LogManager.GetCurrentClassLogger();
        }

        protected override void ApplicationStartup(TinyIoCContainer container, IPipelines pipelines)
        {
            _logger.Info("Starting NzbDrone API");
            AutomapperBootstraper.InitializeAutomapper();
            RegisterReporting(container);
            KickoffInitilizables(container);

            ApplicationPipelines.OnError.AddItemToEndOfPipeline(container.Resolve<ErrorPipeline>().HandleException);
        }

        private void RegisterReporting(TinyIoCContainer container)
        {
            EnvironmentProvider.UGuid = container.Resolve<ConfigService>().UGuid;
            ReportingService.RestProvider = container.Resolve<RestProvider>();
        }

        private void KickoffInitilizables(TinyIoCContainer container)
        {
            var initilizables = container.ResolveAll<IInitializable>();

            foreach (var initializable in initilizables)
            {
                _logger.Debug("Initializing {0}", initializable.GetType().Name);
                try
                {
                    initializable.Init();
                }
                catch (Exception e)
                {
                    _logger.FatalException("An error occurred while initializing " + initializable.GetType().Name, e);
                    throw;
                }
            }
        }


        protected override TinyIoCContainer GetApplicationContainer()
        {
            return _tinyIoCContainer;
        }

        protected override NancyInternalConfiguration InternalConfiguration
        {
            get
            {
                var internalConfig = NancyInternalConfiguration.Default;

                internalConfig.StatusCodeHandlers.Add(typeof(ErrorHandler));
                internalConfig.Serializers.Add(typeof(NancyJsonSerializer));

                return internalConfig;
            }
        }

        protected override DiagnosticsConfiguration DiagnosticsConfiguration
        {
            get { return new DiagnosticsConfiguration { Password = @"password" }; }
        }

        protected override void ConfigureConventions(NancyConventions nancyConventions)
        {
            base.ConfigureConventions(nancyConventions);
            var processors = ApplicationContainer.Resolve<IProcessStaticResource>();
            Conventions.StaticContentsConventions.Add(processors.ProcessStaticResourceRequest);
        }
    }
}