using System;
using System.Collections.Generic;

namespace SharedBusinessLogic.Tests
{
	public class DateTimeMocker
	{
		private static int m_iIndex;
		private static IList<DateTime> m_oDateTimeSeries;

		public DateTimeMocker(IList<DateTime> p_oDateTimeSeries)
		{
			if (p_oDateTimeSeries.Count < 1)
			{
				throw new Exception("Can not initialize mock object. List must contain at least one date time.");
			}

			m_iIndex = 0;
			m_oDateTimeSeries = p_oDateTimeSeries;
		}

		public Func<DateTime> GetDateTime = () => m_oDateTimeSeries[m_iIndex < m_oDateTimeSeries.Count ? m_iIndex++ : m_iIndex = 0];
	}
}