///////////////////////////////////////////////////////////
//  EventWindowSet.cs
//  Implementation of Class EventWindowSet
//  Class type: Utility (biz object layer)
//  Created on: 07-Oct-2005
//  Object design: John     
//	Coded: John 07-Oct-2005
///////////////////////////////////////////////////////////
using System;
using System.Collections;

namespace GZTW.AyaNova.BLL
{
#pragma warning disable 1591
    /// <summary>
	/// Manages a set of event windows for a week
	/// Serializable for easy saving to database / file etc
	/// Easily confirms if a given date/time is within an allowable
	/// window or not
	/// </summary>
	[Serializable]
	public class EventWindowSet
	{
		
		//Any time or day is allowed
		//this allows a quicker short circuit 
		//comparison
		private bool _AnyTime;
		private bool _IsDirty;
		//An array for each day of the week's events
		private EventWindow[] _Events;	

		

		/// <summary>
		/// An event window structure
		/// this is added to an array of structures to cover a week 
		/// of day windows
		/// </summary>
		[Serializable]
			public struct EventWindow
		{
			internal bool _AnyTimeOfDay;
			internal bool _Active;
			//Only time portion is used
			internal DateTime _StartTime;
			internal DateTime _EndTime;

			public bool AnyTimeOfDay{get{return _AnyTimeOfDay;}}
			public bool Active{get{return _Active;}}
			public DateTime StartTime{get{return _StartTime;}}
			public DateTime EndTime{get{return _EndTime;}}



		}

		
	
		

		public EventWindowSet()
		{

			_Events=new EventWindow[7];
			System.DateTime dtStartDefault=new DateTime(1968,3,12,9,0,0);
			System.DateTime dtEndDefault=new DateTime(1968,3,12,17,0,0);

			//Initialize

			//0==sunday 6==Saturday
			for(int x=0;x<7;x++)
			{
				_Events[x]._StartTime=dtStartDefault;
				_Events[x]._EndTime=dtEndDefault;
				_Events[x]._AnyTimeOfDay=false;
				_Events[x]._Active=true;
			}
			_AnyTime=true;
			_IsDirty=false;
		}

		public bool IsValid
		{
			get
			{
				return true;
			}
		}

		public bool IsDirty
		{
			get
			{
				return _IsDirty;
			}
		}

		public bool AnyTime
		{
			get
			{
				return _AnyTime;
			}
			set
			{
				_AnyTime=value;
				
				_IsDirty=true;
			}
		}

		public EventWindow[] Events
		{
			get
			{
				return _Events;
			}
		}

		/// <summary>
		/// Sets an event for day indicated.
		/// </summary>
		/// <param name="Day">int value of DayOfWeek enum (0=Sunday...6=Saturday)</param>
		/// <param name="AnyTimeOfDay">true=deliver any time of day if active</param>
		/// <param name="Active">True=day is enabled for deliver, false=no delivery on this day</param>
		/// <param name="StartTime">Starting time window for delivery (time only is used date is irrelevant)</param>
		/// <param name="EndTime">Ending time window for delivery (time only is used date is irrelevant)</param>
		public void SetEvent(int Day,
			bool AnyTimeOfDay,
			bool Active,
			DateTime StartTime, 
			DateTime EndTime)
		{
			_IsDirty=true;

			
			_Events[Day]._AnyTimeOfDay=AnyTimeOfDay;
			_Events[Day]._Active=Active;
			_Events[Day]._StartTime=StartTime;
			_Events[Day]._EndTime=EndTime;
		

		}

		

		/// <summary>
		/// Returns true if a given date/time is within
		/// an event window.
		/// 
		/// False if not.
		/// </summary>
		/// <param name="dtValue"></param>
		/// <returns></returns>
		public bool InEventWindow(System.DateTime dtValue)
		{
			//Short circuit tests...

			if(this._AnyTime) return true;
            
			int nDay=(int)dtValue.DayOfWeek;

			//Not an active day anyway?
			if(!_Events[nDay]._Active) return false;

			//Any time of day ok?
			if(_Events[nDay]._AnyTimeOfDay) return true;

			//ok, it's not a simple one, so let's compare times...
			

			double dbCompareValue=dtValue.TimeOfDay.TotalMinutes;

			//Is it in the window?
			if(dbCompareValue >= _Events[nDay]._StartTime.TimeOfDay.TotalMinutes &&
				dbCompareValue <= _Events[nDay]._EndTime.TimeOfDay.TotalMinutes)
				return true;

			//Guess not
			return false;

			

			

			
		}


		//------------------------------------------------------
	}// End of class
#pragma warning restore 1591
}//End of namespace