///////////////////////////////////////////////////////////
//  Bool.cs
//  Implementation of Class ContractResolver
//  CSLA type: Read-only object
//  Created on: 1-Nov-2007
//  Object design: John 
//	Coded: 1-Nov-2007
///////////////////////////////////////////////////////////

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



namespace GZTW.AyaNova.BLL
{
    //case 496
    /// <summary>
    ///Returns service bankable object most responsible
    /// for banking based on client
    /// </summary>
    [Serializable, EditorBrowsable(EditorBrowsableState.Never)]
    internal class ContractResolver : ReadOnlyBase
    {

        #region Attributes
        private Contract mContract;

        #endregion

        #region Constructor

        /// <summary>
        /// Private constructor to prevent direct instantiation
        /// </summary>
        private ContractResolver()
        {
            mContract = null;
        }
        #endregion


        #region Static methods



        /// <summary>
        /// Resolve the contract reponsible for client id specified
        /// if no contract then resolves to null
        /// </summary>
        /// <param name="ID"></param>
        /// <returns></returns>
        internal static Contract ResolvedContract(Guid ID)
        {
            if (AyaBizUtils.Lite) return null;
            return ((ContractResolver)DataPortal.Fetch(new Criteria(ID))).mContract;

        }


        #endregion

        #region DAL DATA ACCESS
        /// 
        /// <param Bool="Criteria"></param>
        protected override void DataPortal_Fetch(object Criteria)
        {
            Criteria crit = (Criteria)Criteria;
            SafeDataReader dr = null;
            try
            {
                dr = DBUtil.GetReaderFromSQLString(
                    "SELECT ACLIENT.ACONTRACTID  AS CCID, AHEADOFFICE.ACONTRACTID AS HOCID, " +
                    "ACLIENT.ACONTRACTEXPIRES AS CCEXPIRES, AHEADOFFICE.ACONTRACTEXPIRES AS HOEXPIRES " +
                    "FROM ACLIENT " +
                    "LEFT OUTER JOIN AHEADOFFICE ON (ACLIENT.AHEADOFFICEID=AHEADOFFICE.AID)  " +
                    "WHERE ACLIENT.AID= @ID", crit.ID);
                if (dr.Read())
                {
                    Guid cg = dr.GetGuid("CCID");
                    SmartDate cd = DBUtil.ToLocal(dr.GetSmartDate("CCEXPIRES"));

                    Guid hg = dr.GetGuid("HOCID");
                    SmartDate hd = DBUtil.ToLocal(dr.GetSmartDate("HOEXPIRES"));

                    //Mirrors code in Client.ContractInEffect and head office same
                    if ((cg != Guid.Empty) && (!cd.IsEmpty) && (cd.Date > DBUtil.CurrentWorkingDateTime))
                        mContract=Contract.GetItemNoMRU(cg);
                    else if ((hg != Guid.Empty) && (!hd.IsEmpty) && (hd.Date > DBUtil.CurrentWorkingDateTime))
                        mContract=Contract.GetItemNoMRU(hg);
                    //default is null contract

                   
                }
            }
            finally
            {
                if (dr != null) dr.Close();
            }
        }



        #endregion

        #region criteria
        /// <summary>
        /// Criteria for identifying existing object
        /// </summary>
        [Serializable]
        private class Criteria
        {
            public Guid ID;
            public Criteria(Guid _ID)
            {
                ID = _ID;
            }
        }
        #endregion

    }//end class

}//end namespace GZTW.AyaNova.BLL