using Microsoft.Extensions.Logging;

using Syslog.Framework.Logging;
using Syslog.Framework.Logging.TransportProtocols;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.Transactions;

namespace Blog3000.Server.Utils
{
    public class MySyslog5424v1Logger: Syslog5424v1Logger		
    {

		private readonly string appName;
		private readonly SyslogLoggerSettings settings;

		public MySyslog5424v1Logger(string name, SyslogLoggerSettings settings, string appName, string host, LogLevel lvl, IMessageSender messageSender)
			: base(name, settings, host, lvl, messageSender)
		{
			this.settings = settings;
			this.appName = appName;
		}

		// Duplicated due to visibility limitations
		internal enum SeverityType { Emergency, Alert, Critical, Error, Warning, Notice, Informational, Debug };

		protected override string FormatMessage(int priority, DateTime now, string host, string name, int? procid, int msgid, string message)
		{

			int level = priority - ((int)settings.FacilityType * 8);
			string flag = "-";
			switch(level)
            {
				case (int)SeverityType.Alert:
				case (int)SeverityType.Critical:
				case (int)SeverityType.Error:
					flag = "!";
					break;
				case (int)SeverityType.Warning:
					flag = "?";
					break;
				case (int)SeverityType.Notice:
					flag = "*";
					break;
				case (int)SeverityType.Debug:
				case (int)SeverityType.Informational:
					flag = "-";
					break;
			}


			//System.IO.File.AppendAllText("/tmp/D", $"....{message}....\n");
			return base.FormatMessage(priority, now, host, appName, procid, msgid, $"{flag} {(name??"").Replace("Blog3000.Server.", "")}: {message}"/* message*/);			
		}
	}
}