using Sarand.Net.Standard.Base.App;
using Sarand.Net.Standard.Base.Utils;
using System;
using System.Collections.Generic;
using System.Text;

namespace Sarand.Net.Standard.Base.Core
{
	//=======================================================================
	public class ElapsedTimeLogger
	{
		//-------------------------------------------------------------------
		// Data members.

		//-------------------------------------------------------------------
		// Construction.
		public ElapsedTimeLogger (String logPrefix, String logSuffix = "")
		{
			LogPrefix = logPrefix;
			LogSuffix = logSuffix;
			StartedAt = DateTime.Now;
		}

		//-------------------------------------------------------------------
		// Properties.
		public String LogPrefix { get; }
		public String LogSuffix { get; }
		public DateTime StartedAt { get; private set; }

		//-------------------------------------------------------------------
		// Utilities.
		public void Restart ()
		{
			StartedAt = DateTime.Now;
		}

		//-------------------------------------------------------------------
		// Logging.
		public void LogElapsedSecs (bool restart = false)
		{
			LogElapsedSecs("", restart);
		}
		public void LogElapsedSecs (String logSuffix, bool restart = false)
		{
			LogElapsedSecs("", logSuffix, restart);
		}
		public void LogElapsedSecs (String logPrefix, String logSuffix, bool restart = false)
		{
			logPrefix = StringUtil.OnEmpty(logPrefix, LogPrefix);
			logSuffix = StringUtil.OnEmpty(logSuffix, LogSuffix);
			TimeSpan elapsed = DateTime.Now - StartedAt;
			SaLogger.Info(StringUtil.TrimAll(logPrefix + " Elapsed: " + elapsed.TotalSeconds.ToString("0.000") + " secs. " + logSuffix));
			if (restart) Restart();
		}

		//-------------------------------------------------------------------
	}
	//=======================================================================
}