using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using SuperSocket.Common;
using AnyLog;

namespace SuperSocket.SocketBase
{
 /// <summary>
 /// Logger extension class
 /// </summary>
 public static class LoggerExtension
 {
 private readonly static string m_SessionInfoTemplate = "Session: {0}/{1}";

 /// <summary>
 /// Logs the error with the session's information
 /// </summary>
 /// <param name="logger">The logger.</param>
 /// <param name="title">The title.</param>
 /// <param name="e">The e.</param>
 /// <param name="session">The session.</param>
 public static void Error(this ILog logger, string title, Exception e, ISessionBase session)
 {
 logger.Error(string.Format(m_SessionInfoTemplate, session.SessionID, session.RemoteEndPoint) + Environment.NewLine + title, e);
 }

 /// <summary>
 /// Logs the error with the session's information
 /// </summary>
 /// <param name="logger">The logger.</param>
 /// <param name="message">The message.</param>
 /// <param name="session">The session.</param>
 public static void Error(this ILog logger, string message, ISessionBase session)
 {
 logger.Error(string.Format(m_SessionInfoTemplate, session.SessionID, session.RemoteEndPoint) + Environment.NewLine + message);
 }

 /// <summary>
 /// Logs the information with the session's information
 /// </summary>
 /// <param name="logger">The logger.</param>
 /// <param name="message">The message.</param>
 /// <param name="session">The session.</param>
 public static void Info(this ILog logger, string message, ISessionBase session)
 {
 string info = string.Format(m_SessionInfoTemplate, session.SessionID, session.RemoteEndPoint) + Environment.NewLine + message;
 logger.Info(info);
 }

 /// <summary>
 /// Logs the debug message with the session's information
 /// </summary>
 /// <param name="logger">The logger.</param>
 /// <param name="message">The message.</param>
 /// <param name="session">The session.</param>
 public static void Debug(this ILog logger, string message, ISessionBase session)
 {
 if (!logger.IsDebugEnabled)
 return;

 logger.Debug(string.Format(m_SessionInfoTemplate, session.SessionID, session.RemoteEndPoint) + Environment.NewLine + message);
 }

 private const string m_PerfLogName = "Perf";

 private static ILog m_PerfLog;

 /// <summary>
 /// Logs the performance message
 /// </summary>
 /// <param name="appServer">The app server.</param>
 /// <param name="message">The message.</param>
 public static void LogPerf(this IAppServer appServer, string message)
 {
 if (m_PerfLog == null)
 {
 lock (m_PerfLogName)
 {
 if (m_PerfLog == null)
 {
 m_PerfLog = appServer.LogFactory.GetLog(m_PerfLogName);
 }
 }
 }

 if (m_PerfLog != null && m_PerfLog.IsInfoEnabled)
 m_PerfLog.Info(message);
 }
 }
}