///
/// Copyright (c) 2013-2015 Sensus Metering Systems
///
using System;

namespace TBF.UiBridge
{
	public class TestProgressEventArgs : EventArgs
	{
		public string TestName;
		public int Part;
		public int Repeats;
		public int RepetitionNr;

        public Config.Entities.Progress Phase;
		public int Progress;                /// value in the range 0..100
		public float OveralProgress;


#region Static and base constructor part

		static int[] estimatedTime;						/// Estimated time of each phase to calculate the progress [s]
		static int[] cumulativeSumsOfEstimates;
		static int currentPhaseStartTime;
		static Config.Entities.Progress currentPhase;


		static TestProgressEventArgs()
		{
			int[] estTime = new int[(int)Config.Entities.Progress.Count];
			for (int i = 0; i < estTime.Length; i++) estTime[i] = 10;
			cumulativeSumsOfEstimates = new int[(int)Config.Entities.Progress.Count];
			SetEstimatedTimes(estTime);

			currentPhaseStartTime = BenchControl.StateMachine.Time;
			currentPhase = Config.Entities.Progress.JustStarted;
		}


		/// <summary>
		/// Set estimated time of each phase in [s] (see Config.Entities.Progress).
		/// </summary>
		/// <param name="estTime">Array: estimated time of each phase in [s]</param>
		public static void SetEstimatedTimes(int[] estTime)
		{
			if (estTime.Length != (int)Config.Entities.Progress.Count) return;
			estimatedTime = estTime;
			for (int i = 0; i < estTime.Length; i++)
			{
				cumulativeSumsOfEstimates[i] = (i > 0) ? cumulativeSumsOfEstimates[i - 1] : 0;
				cumulativeSumsOfEstimates[i] += estTime[i];
			}
		}


		/// <summary>
		/// Base constructor which maintains currentPhase, currentPhaseStartTime
		/// and calculates 'Progress'.
		/// </summary>
		/// <param name="progress"></param>
		private TestProgressEventArgs(Config.Entities.Progress phase)
		{
			if (phase != currentPhase)
			{
				currentPhase = phase;
				currentPhaseStartTime = BenchControl.StateMachine.Time;
			}

            Phase = phase;
            int phaseNr = (int)phase;

            int currentPhaseTime = Math.Min(BenchControl.StateMachine.Time - currentPhaseStartTime, estimatedTime[phaseNr]);
			int currentTestTime = currentPhaseTime + ((phaseNr == 0) ? 0 : cumulativeSumsOfEstimates[phaseNr - 1]);
			
            int add10pct = cumulativeSumsOfEstimates[(int)Config.Entities.Progress.Count - 1] / 9;


			Progress = 100 * (currentTestTime + add10pct)
                     / (cumulativeSumsOfEstimates[(int)Config.Entities.Progress.Count - 1] + add10pct);
		}

#endregion

		public TestProgressEventArgs(Config.Entities.Test test, int repetitionNr, Config.Entities.Progress progress)
			: this(progress)
		{
			TestName = Results.Utils.GetTestName(test.Name, test.Repeats, repetitionNr);
			Part = test.Part;
			Repeats = test.Repeats;
			RepetitionNr = repetitionNr;
		}


		public TestProgressEventArgs(Config.Entities.Test test, Config.Entities.Progress progress)
			: this(test, 1, progress)
		{
		}


		/// <summary>
		/// Used by iPearl communication dialog
		/// </summary>
		public TestProgressEventArgs(string testName, Config.Entities.Progress progress)
			: this(progress)
		{
			TestName = testName;
			Part = 0;
			Repeats = 1;
			RepetitionNr = 1;
		}
	}
}