///////////////////////////////////////////////////////////
//  Bool.cs
//  Implementation of Class ServiceBankCurrentBalanceFetcher
//  CSLA type: Read-only object
//  Created on: 26-Nov-2005
//  Object design: John 
//	Coded: John 26-Nov-2005
///////////////////////////////////////////////////////////

using System;
using System.Data;
using CSLA.Data;
using GZTW.Data;
using CSLA;
using System.Threading;
using CSLA.Security;



namespace GZTW.AyaNova.BLL 
{
	/// <summary>
	/// Used to quickly fetch current service bank balance for object indicated
	/// 
	/// </summary>
	[Serializable]
	public class ServiceBankCurrentBalanceFetcher : ReadOnlyBase 
	{

		private decimal mIncidentsBalance=0;
		private decimal mCurrencyBalance=0;		
		private decimal mHoursBalance=0;
		
        //case 1617
        private RootObjectTypes mObjectType = RootObjectTypes.Nothing;
		
		#region Constructor	

		/// <summary>
		/// Private constructor to prevent direct instantiation
		/// </summary>
		private ServiceBankCurrentBalanceFetcher()
		{			
		
		}
		#endregion

		
		#region Business properties
        /// <summary>
        /// Current balance of incidents remaining in service bank
        /// </summary>
		public decimal IncidentsBalance {get{return mIncidentsBalance;}}
        /// <summary>
        /// Current balance of currency remaining in service bank
        /// </summary>
		public decimal CurrencyBalance {get{return mCurrencyBalance;}}

        /// <summary>
        /// Current balance of hours remaining in service bank
        /// </summary>
		public decimal HoursBalance {get{return mHoursBalance;}}
        /// <summary>
        /// Localized text of balances 
        /// in one descriptive string
        /// </summary>
        public string DisplayBalances
        {
            get
            {
                System.Text.StringBuilder sb = new System.Text.StringBuilder();
                //case 1617              
                sb.Append(EnumDescConverter.GetEnumDescription(mObjectType));
                sb.Append(" ");
                sb.Append(LocalizedTextTable.GetLocalizedTextDirect("ServiceBank.Label.CurrencyBalance"));
                sb.Append(": ");
                sb.Append(mCurrencyBalance.ToString("c"));
                sb.Append("\r\n");

                sb.Append(LocalizedTextTable.GetLocalizedTextDirect("ServiceBank.Label.HoursBalance"));
                sb.Append(": ");
                sb.Append(mHoursBalance.ToString("g29"));
                sb.Append("\r\n");

                sb.Append(LocalizedTextTable.GetLocalizedTextDirect("ServiceBank.Label.IncidentsBalance"));
                sb.Append(": ");
                sb.Append(mIncidentsBalance.ToString("g29"));
                sb.Append("\r\n");

                return sb.ToString();
            }
        }

        /// <summary>
        /// Localized text of balances 
        /// in one descriptive string
        /// showing result of applying new values
        /// </summary>
        public string DisplayProposedBalances(decimal currencyrate, decimal hours, decimal incidents)
        {
            System.Text.StringBuilder sb = new System.Text.StringBuilder();
            decimal d = 0;
            //case 1617              
            sb.Append(EnumDescConverter.GetEnumDescription(mObjectType));
            sb.Append(" ");
            sb.Append(LocalizedTextTable.GetLocalizedTextDirect("ServiceBank.Label.CurrencyBalance"));
            sb.Append(": ");
            d = mCurrencyBalance - (currencyrate*hours);
            sb.Append(mCurrencyBalance.ToString("c") + " - " + (currencyrate*hours).ToString("c") + " = " + (d).ToString("c"));
            if (d < 0)
                sb.Append("  <-- !");
            sb.Append("\r\n");

            sb.Append(LocalizedTextTable.GetLocalizedTextDirect("ServiceBank.Label.HoursBalance"));
            sb.Append(": ");
            d = mHoursBalance - hours;
            sb.Append(mHoursBalance.ToString("g29") + " - " + hours.ToString("g29") + " = " + (mHoursBalance - hours).ToString("g29"));
            if (d < 0)
                sb.Append("  <-- !");
            sb.Append("\r\n");

            sb.Append(LocalizedTextTable.GetLocalizedTextDirect("ServiceBank.Label.IncidentsBalance"));
            sb.Append(": ");
            d = mIncidentsBalance - incidents;
            sb.Append(mIncidentsBalance.ToString("g29") + " - " + incidents.ToString("g29") + " = " + (mIncidentsBalance - incidents).ToString("g29"));
            if (d < 0)
                sb.Append("  <-- !");
            sb.Append("\r\n");

            return sb.ToString();
        }
		#endregion
		
		#region Static methods
		
		/// <summary>
		/// Retrieve current service bank balances
		/// </summary>
		/// <param name="RootObjectID">ID of Bankable object</param>
		/// <param name="RootObjectType">Type of object</param>
		/// <returns>ServiceBankCurrentBalanceFetcher object</returns>
		public static ServiceBankCurrentBalanceFetcher GetItem(Guid RootObjectID, RootObjectTypes RootObjectType)
		{
			
			return (ServiceBankCurrentBalanceFetcher)DataPortal.Fetch(new Criteria(RootObjectID,  RootObjectType));
						
		}

        /// <summary>
        /// Retrieve current service bank balances
        /// </summary>
        /// <param name="tid">Type and ID of Bankable object</param>
        /// <returns>ServiceBankCurrentBalanceFetcher object</returns>
        public static ServiceBankCurrentBalanceFetcher GetItem(TypeAndID tid)
        {
            return GetItem(tid.ID, tid.RootObjectType);
        }
		

		
		#endregion

		#region DAL DATA ACCESS
		/// 
		/// <param Bool="Criteria"></param>
		protected override void DataPortal_Fetch(object Criteria)
		{
			Criteria crit = (Criteria)Criteria;		
			DBCommandWrapper cmGetBalance = DBUtil.DB.GetSqlStringCommandWrapper(
				"SELECT TOP 1 aIncidentsBalance, aCurrencyBalance, aHoursBalance " +
				"FROM aServiceBank WHERE (AAPPLIESTOROOTOBJECTID " +
				"= @ID AND AAPPLIESTOROOTOBJECTTYPE = @RootObjectType) ORDER BY " +
				"aCreated DESC"
				);
			cmGetBalance.AddInParameter("@ID",DbType.Guid,crit.RootObjectID);
			cmGetBalance.AddInParameter("@RootObjectType",DbType.Int16,(int)crit.RootObjectType);
			SafeDataReader dr = new SafeDataReader(DBUtil.DB.ExecuteReader(cmGetBalance));

			//There may not be an existing record yet so if it can't read
			//assumes that there are no prior bank records for this object yet
			if(dr.Read())
			{
				mIncidentsBalance=dr.GetDecimal("aIncidentsBalance");
				mCurrencyBalance=dr.GetDecimal("aCurrencyBalance");
				mHoursBalance=dr.GetDecimal("aHoursBalance");

                //case 1617
                mObjectType = crit.RootObjectType;
			}
			dr.Close();
			
			
			
		}

		
		
		#endregion			

		#region criteria
		/// <summary>
		/// Criteria for identifying existing object
		/// </summary>
		[Serializable]
			private class Criteria
		{
			 
			public Guid RootObjectID;
			public RootObjectTypes RootObjectType;
			

			public Criteria(Guid _RootObjectID, RootObjectTypes _RootObjectType)
			{
				RootObjectID=_RootObjectID;
				RootObjectType=_RootObjectType;
				
			}
			
		}
		#endregion
		
	}//end Bool

}//end Boolspace GZTW.AyaNova.BLL