using ChatRoomContract;
using NLog;

namespace ChatRoom;

internal class Server
{
    /// <summary>
	/// Logger for this class.
	/// </summary>
	private Logger log = LogManager.GetCurrentClassLogger();

    /// <summary>
    /// Configure loggin subsystem.
    /// </summary>
    private void ConfigureLogging()
    {
        var config = new NLog.Config.LoggingConfiguration();

        var console =
            new NLog.Targets.ConsoleTarget("console")
            {
                Layout = @"${date:format=HH\:mm\:ss}|${level}| ${message} ${exception}"
            };
        config.AddTarget(console);
        config.AddRuleForAllLevels(console);

        LogManager.Configuration = config;
    }

    /// <summary>
	/// Program body.
	/// </summary>
	private void Run()
    {
        //configure logging
        ConfigureLogging();

        while (true)
        {
            try
            {
                var service = new ChatRoomService(Config.CreateConnection(), Config.ExchangeName, Config.ServerQueueName);

                log.Info("Server has been started.");

                //hang main thread						
                while (true)
                {
                    Thread.Sleep(1000);
                }
            }
            catch (Exception e)
            {
                //log exception
                log.Error(e, "Unhandled exception caught. Server will now restart.");

                //prevent console spamming
                Thread.Sleep(2000);
            }
        }
    }

    /// <summary>
    /// Program entry point.
    /// </summary>
    /// <param name="args">Command line arguments.</param>
    static void Main(string[] args)
    {
        var self = new Server();
        self.Run();
    }
}