using System;
using System.Collections.Generic;
using System.Text;

namespace Volian.Base.Library
{
	public class VlnTimer
	{
		private DateTime _LastTime = DateTime.Now;
		public DateTime LastTime
		{
			get { return _LastTime; }
			set { _LastTime = value; }
		}
		private string _LastProcess = "Initialize";
		public string LastProcess
		{
			get { return _LastProcess; }
			set { _LastProcess = value; }
		}
		public string ActiveProcess
		{
			get { return _LastProcess; }
			set
			{
				DateTime tNow = DateTime.Now;
				TimeSpan ts = tNow - LastTime;
				LastTime = tNow;
				if (!ElapsedTimes.ContainsKey(LastProcess))
					ElapsedTimes.Add(LastProcess, ts);
				else
					ElapsedTimes[LastProcess] += ts;
				LastProcess = value;
			}
		}
		Dictionary<string, TimeSpan> _ElapsedTimes = new Dictionary<string, TimeSpan>();
		public Dictionary<string, TimeSpan> ElapsedTimes
		{
			get { return _ElapsedTimes; }
			set { _ElapsedTimes = value; }
		}
		public void ShowElapsedTimes()
		{
			ActiveProcess = "fini";
			Console.WriteLine("'Process'\t'Elapsed'");
			foreach (string proc in ElapsedTimes.Keys)
				Console.WriteLine("'{0}'\t{1}", proc, ElapsedTimes[proc].TotalSeconds);
		}
		public void ShowElapsedTimes(string title)
		{
			Console.WriteLine(title);
			ShowElapsedTimes();
		}
	}
}