using System;
using System.IO;

namespace Server.Diagnostics
{
	public class ExceptionLogging
	{
		public static string LogDirectory { get; set; }

		private static StreamWriter _Output;

		public static StreamWriter Output
		{
			get
			{
				if (_Output == null)
				{
					_Output = new StreamWriter(Path.Combine(LogDirectory, String.Format("{0}.log", DateTime.UtcNow.ToLongDateString())), true)
					{
						AutoFlush = true
					};

					_Output.WriteLine("##############################");
					_Output.WriteLine("Exception log started on {0}", DateTime.UtcNow);
					_Output.WriteLine();
				}

				return _Output;
			}
		}

		static ExceptionLogging()
		{
			var directory = Path.Combine(Core.BaseDirectory, "Logs/Exceptions");

			if (!Directory.Exists(directory))
				Directory.CreateDirectory(directory);

			LogDirectory = directory;
		}

		public static void LogException(Exception e)
		{
			Utility.WriteConsoleColor(ConsoleColor.Red, "Caught Exception:");
			Utility.WriteConsoleColor(ConsoleColor.DarkRed, e.ToString());

			Output.WriteLine("Exception Caught: {0}", DateTime.UtcNow);
			Output.WriteLine(e);
			Output.WriteLine();
		}

		public static void LogException(Exception e, string arg)
		{
			Utility.WriteConsoleColor(ConsoleColor.Red, "Caught Exception: {0}", arg);
			Utility.WriteConsoleColor(ConsoleColor.DarkRed, e.ToString());

			Output.WriteLine("Exception Caught: {0}", DateTime.UtcNow);
			Output.WriteLine(e);
			Output.WriteLine();
		}
	}
}