using log4net;
using Microsoft.Extensions.Configuration;
using System;
using System.IO;
using System.Threading.Tasks;
using log4net.Config;
using Exception = System.Exception;
using Ultron.Proxy.Interfaces;
using Ultron.Proxy.Models;

namespace Ultron.Proxy
{
    class Client
    {
        public class Log4netLogger : ILogger
        {
            public void Debug(object message)
            {
                Logger.Debug(message);
            }

            public void Error(object message, Exception ex)
            {
                Logger.Error(message,ex);
            }

            public void Info(object message)
            {
                Logger.Info(message);
            }
        }

        public static ILog Logger;
        public static IConfigurationRoot Configuration { get; set; }
        static void Main(string[] args)
        {
            //log
            var loggerRepository = LogManager.CreateRepository("NSmartClientRouterRepository");
            XmlConfigurator.Configure(loggerRepository, new FileInfo("log4net.config"));
            //BasicConfigurator.Configure(loggerRepository);
            Logger = LogManager.GetLogger(loggerRepository.Name, "NSmartServerClient");
            if (!loggerRepository.Configured) throw new Exception("log config failed.");
            //Thread.Sleep(3000);
            Console.ForegroundColor = ConsoleColor.Yellow;
            Logger.Info("*** NSmart ClientRouter v0.2 ***");

            var builder = new ConfigurationBuilder()
               .SetBasePath(Directory.GetCurrentDirectory())
               .AddJsonFile("appsettings.json");

            Configuration = builder.Build();

            //start clientrouter.
            try
            {
                StartClient().Wait();
            }
            catch (Exception e)
            {
                Logger.Error(e.Message);
            }

            Logger.Info("Client terminated,press any key to continue.");
            Console.Read();
        }

        private static async Task StartClient()
        {

            Router clientRouter = new Router(new Log4netLogger());
            //read config from config file.
            SetConfig(clientRouter);// clientRouter.SetConifiguration();
            Task tsk = clientRouter.ConnectToProvider();
            try
            {
                await tsk;
            }
            catch (Exception e)
            {
                Logger.Error(e);
                throw;
            }

        }

        private static void SetConfig(Router clientRouter)
        {
            Config config = new Config();
            config.ProviderAddress = Configuration.GetSection("ProviderAddress").Value;
            config.ProviderPort = int.Parse(Configuration.GetSection("ProviderPort").Value);
            config.ProviderConfigPort = int.Parse(Configuration.GetSection("ProviderConfigPort").Value);
            var configClients = Configuration.GetSection("Clients").GetChildren();
            foreach (var cli in configClients)
            {
                int confConsumerPort = 0;
                if (cli["ConsumerPort"] != null) confConsumerPort = int.Parse(cli["ConsumerPort"]);
                config.Clients.Add(new ClientApp
                {
                    IP = cli["IP"],
                    Port = int.Parse(cli["TargetServicePort"]),
                    RemotePort = confConsumerPort
                });
            }
            // Configuration.GetSection("1").
            clientRouter.SetConifiguration(config);
        }
    }
}