///////////////////////////////////////////////////////////
//  DashBoardMemoListRI.cs
//  Implementation of Class DashBoardMemoListRI
//  CSLA type: Read only collection 
//  Created on: 25-Sept-2014
//  Object design: John  
//  Coded:  25-Sept-2014
///////////////////////////////////////////////////////////

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

namespace GZTW.AyaNova.BLL
{
#pragma warning disable 1591
    /// <summary>
    /// Lightweight read only list of objects representing <see cref="Memo"/> object
    /// used internally for Web dashboard
    /// 
    /// </summary>
    [Serializable]
    public class DashBoardMemoListRI : ReadOnlyBase
    {
        public long _Count = 0;
        public Dictionary<Guid, string> list = null;
     
        #region Constructor
        protected DashBoardMemoListRI()
        {
        }
        #endregion

        #region Static methods
        public static Dictionary<Guid, string> GetList(int MaxRecords = 3)
        {
            return ((DashBoardMemoListRI)DataPortal.Fetch(new Criteria(false, MaxRecords))).list;
        }

        public static long GetCount()
        {
            return ((DashBoardMemoListRI)DataPortal.Fetch(new Criteria(true, 0)))._Count;
        }
        #endregion

        #region DAL DATA ACCESS
        /// 
        /// <param name="Criteria"></param>
        protected override void DataPortal_Fetch(object Criteria)
        {

            Criteria crit = (Criteria)Criteria;

            SafeDataReader dr = null;
            DateTime dtNow = DBUtil.CurrentWorkingDateTime;
            try
            {
                DBCommandWrapper cm = null;
                string qFields = "";
                if (crit.Count)
                    qFields = "SELECT COUNT(*) ";
                else
                    qFields = "SELECT ~MAXRECS~ AMEMO.AID AS AMEMOID, AMEMO.ACREATED, " +
                 "AMEMO.AVIEWED, AMEMO.ASUBJECT, " +
                 "AMEMO.AFROMID, AUSER.AFIRSTNAME, AUSER.ALASTNAME, AUSER.AINITIALS, AREGION.ANAME AS AREGIONNAME, " +
                 "AUSER.AEMPLOYEENUMBER ";
                   
                string q = qFields + " FROM AMEMO " +
                 " LEFT OUTER JOIN AUSER ON AMEMO.AFROMID = AUSER.AID " +
                 " LEFT OUTER JOIN AREGION ON (AUSER.AREGIONID=AREGION.AID) " +
                 " WHERE (AMEMO.ATOID = @ID) " ;

                if (!crit.Count)
                    q = q + "ORDER BY AMEMO.ACREATED ";

                if (!crit.Count)
                {
                    if (crit.MaxRecords > 0)
                        q = q.Replace("~MAXRECS~", "TOP " + crit.MaxRecords.ToString());
                    else
                        q = q.Replace("~MAXRECS~", "");
                }

                cm = DBUtil.DB.GetSqlStringCommandWrapper(q);
                cm.AddInParameter("@ID",DbType.Guid,User.CurrentThreadUserID);
                dr = new SafeDataReader(DBUtil.DB.ExecuteReader(cm));
                if (!crit.Count)
                    list = new Dictionary<Guid, string>(crit.MaxRecords);
                while (dr.Read())
                {
                    if (crit.Count)
                    {
                        object o = dr.GetValue(0);
                        _Count = long.Parse(o.ToString());
                    }
                    else
                    {
                        //id = new TypeAndID(RootObjectTypes.Memo, i.ID);
                        //item = i.LT_Memo_Label_Sent.ToString() + " " + i.LT_Memo_Label_FromID.Display + " " + i.LT_Memo_Label_Subject;
                        //created + " " + from uyser " " subject

                        list.Add(dr.GetGuid("AMEMOID"),
                            DBUtil.ToLocal(dr.GetSmartDate("ACREATED")).ToString() + " " +
                            User.NameFormatter(dr.GetString("AFIRSTNAME"), dr.GetString("ALASTNAME"), dr.GetString("AINITIALS"),
                        dr.GetString("AEMPLOYEENUMBER"), dr.GetString("AREGIONNAME"), AyaBizUtils.GlobalSettings.DefaultScheduleableUserNameDisplayFormat) + " " +
                         dr.GetString("ASUBJECT")
                            );
                        _Count++;
                    }
                }
            }
            finally
            {
                if (dr != null) dr.Close();
            }
        }
        #endregion

        #region criteria
        /// <summary>
        /// Criteria for identifying existing object
        /// </summary>
        [Serializable]
        private class Criteria
        {
            public bool Count;
            public int MaxRecords;
            public Criteria(bool count, int maxRecords)
            {
                MaxRecords = maxRecords;
                Count = count;
            }
        }
        #endregion

    }//end DashBoardMemoListRI
#pragma warning restore 1591
}//end namespace GZTW.AyaNova.BLL