using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Ease.CoreV35.Caching;
using Ease.CoreV35.DataAccess;
using Payroll.Service.Attendence.DA;
using Ease.CoreV35.Model;
using Payroll.BO;

namespace Payroll.Service.Attendence.Service
{
    #region Shift Service
    [Serializable]
    public class ShiftService : ServiceTemplate, IShiftService
    {
        #region Private functions and declaration
        Cache _cache = new Cache(typeof(Shift));

        #endregion
        public ShiftService() { }

        private void MapObject(Shift oShift, DataReader oReader)
        {
            base.SetObjectID(oShift, oReader.GetID("ShiftID"));
            oShift.Code = oReader.GetString("Code");
            oShift.Name = oReader.GetString("Name");
            oShift.InTime = oReader.GetDateTime("InTime").Value;
            oShift.OutTime = oReader.GetDateTime("OutTime").Value;
            oShift.hasAbsentTime = oReader.GetBoolean("hasAbsentTime").Value;
            oShift.AbsentTime = oShift.hasAbsentTime? oReader.GetDateTime("AbsentTime").Value : DateTime.MinValue;
            oShift.LateCalcualtion = oReader.GetDouble("LateCalcualtion").Value;
            oShift.DelayCalcualtion = oReader.GetDouble("DelayCalcualtion").HasValue ? oReader.GetDouble("DelayCalcualtion").Value : 0.0;
            oShift.EarlyExitBefore = oReader.GetDouble("EarlyExitBefore").Value;
            oShift.MinimumOTHour = oReader.GetDouble("MinimumOTHour").Value;
            oShift.IsOverlapingDay = oReader.GetBoolean("IsOverlapingDay").Value;
            oShift.ShiftType = (EnumWorkPlanGroup) oReader.GetInt16("ShiftType").Value;
            oShift.ShortName = oReader.GetString("ShortName");
            oShift.Sequence = oReader.GetInt32("SequenceNo").Value;
            oShift.Status = (EnumStatus)oReader.GetInt32("Status").Value;
            oShift.CreatedBy = oReader.GetID("CreatedBy");
            oShift.CreatedDate = oReader.GetDateTime("CreatedDate").Value;
            oShift.ModifiedBy = oReader.GetID("ModifiedBy");
            oShift.ModifiedDate = oReader.GetDateTime("ModifiedDate");
            this.SetObjectState(oShift, Ease.CoreV35.ObjectState.Saved);
        }
        protected override T CreateObject<T>(DataReader oReader)
        {
            Shift oShift = new Shift();
            MapObject(oShift, oReader);
            return oShift as T;
        }
        protected Shift CreateObject(DataReader oReader)
        {
            Shift oShift = new Shift();
            MapObject(oShift, oReader);
            return oShift;
        }
        #region Service implementation
        public Shift Get(ID id)
        {
            Shift oShift = new Shift();
            #region Cache Header
            oShift = _cache["Get", id] as Shift;
            if (oShift != null)
                return oShift;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(ShiftDA.Get(tc, id));
                if (oreader.Read())
                {
                    oShift = this.CreateObject<Shift>(oreader);
                }
                oreader.Close();
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
            #region Cache Footer
            _cache.Add(oShift, "Get", id);
            #endregion
            return oShift;
        }

        public Shift Get(string shiftName)
        {
            Shift oShift = new Shift();
            #region Cache Header
            oShift = _cache["Get", shiftName] as Shift;
            if (oShift != null)
                return oShift;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(ShiftDA.Get(tc, shiftName));
                if (oreader.Read())
                {
                    oShift = this.CreateObject<Shift>(oreader);
                }
                oreader.Close();
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
            #region Cache Footer
            _cache.Add(oShift, "Get", shiftName);
            #endregion
            return oShift;
        }

        public ObjectsTemplate<Shift> Get()
        {
            #region Cache Header
            ObjectsTemplate<Shift> shifts = _cache["Get"] as ObjectsTemplate<Shift>;
            if (shifts != null)
                return shifts;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader dr = new DataReader(ShiftDA.Get(tc));
                shifts = this.CreateObjects<Shift>(dr);
                dr.Close();
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
            #region Cache Footer
            _cache.Add(shifts, "Get");
            #endregion
            return shifts;
        }

        public ObjectsTemplate<Shift> Get(bool isCounterClock)
        {
            #region Cache Header
            ObjectsTemplate<Shift> shifts = _cache["Get", isCounterClock] as ObjectsTemplate<Shift>;
            if (shifts != null)
                return shifts;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader dr = new DataReader(ShiftDA.Get(tc, isCounterClock));
                shifts = this.CreateObjects<Shift>(dr);
                dr.Close();
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
            #region Cache Footer
            _cache.Add(shifts, "Get", isCounterClock);
            #endregion
            return shifts;
        }

        public ID Save(Shift oShift)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                if (oShift.IsNew)
                {
                    int id = tc.GenerateID("Shift", "ShiftID");
                    base.SetObjectID(oShift, ID.FromInteger(id));
                    ShiftDA.Insert(tc, oShift);
                }
                else
                {
                    ShiftDA.Update(tc, oShift);
                }
                tc.End();
                return oShift.ID;
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
        }

        public void Delete(ID id)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                ShiftDA.Delete(tc, id);
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
        }

        public bool IsExist(string shiftCode, string shortName)
        {
            bool isExist = false;
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                isExist = ShiftDA.IsExist(tc, shiftCode, shortName);
                //accessCards = this.CreateObjects<AccessCard>(dr);
                //dr.Close();
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
            return isExist;
        }
        #endregion
    }
    #endregion
}