using System;
using System.Data;
using System.Linq;
using Ease.CoreV35;
using Ease.CoreV35.Model;
using Ease.CoreV35.DataAccess;
using System.Collections.Generic;
using Payroll.BO;
using Ease.CoreV35.Caching;

namespace Payroll.Service
{
    #region ITEmpHead Service
    [Serializable]
    public class ITEmpHeadService : ServiceTemplate, IITEmpHeadService
    {
        #region Private functions and declaration
        Cache _cache = new Cache(typeof(ITEmpHead));

        #endregion
        public ITEmpHeadService() { }

        private void MapObject(ITEmpHead oITEmpHead, DataReader oReader)
        {
            base.SetObjectID(oITEmpHead, oReader.GetID("ITEMPHEADID"));
            oITEmpHead.EmployeeID = oReader.GetID("employeeID");
            oITEmpHead.HeadID = (EnumIncomeTaxHead)oReader.GetInt32("HEADID");
            oITEmpHead.StartDate = oReader.GetDateTime("STARTDATE").Value;
            oITEmpHead.EndDate = oReader.GetDateTime("ENDDATE").Value;
            oITEmpHead.HouseRent = oReader.GetDouble("HOUSERENT").Value;
            oITEmpHead.CreatedBy = oReader.GetID("CreatedBy");
            oITEmpHead.CreatedDate = oReader.GetDateTime("CreationDate").Value;
            oITEmpHead.ModifiedBy = oReader.GetID("ModifiedBy");
            oITEmpHead.ModifiedDate = oReader.GetDateTime("ModifiedDate");
            oITEmpHead.TaxparamID = oReader.GetID("TaxparamID");
            oITEmpHead.IsArrear = oReader.GetInt16("IsArrear").Value;
            this.SetObjectState(oITEmpHead, Ease.CoreV35.ObjectState.Saved);
        }
        protected override T CreateObject<T>(DataReader oReader)
        {
            ITEmpHead oITEmpHead = new ITEmpHead();
            MapObject(oITEmpHead, oReader);
            return oITEmpHead as T;
        }
        protected ITEmpHead CreateObject(DataReader oReader)
        {
            ITEmpHead oITEmpHead = new ITEmpHead();
            MapObject(oITEmpHead, oReader);
            return oITEmpHead;
        }
        #region Service implementation
        public ITEmpHead Get(ID id)
        {
            ITEmpHead oITEmpHead = new ITEmpHead();
            #region Cache Header
            oITEmpHead = _cache["Get", id] as ITEmpHead;
            if (oITEmpHead != null)
                return oITEmpHead;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(ITEmpHeadDA.Get(tc, id));
                if (oreader.Read())
                {
                    oITEmpHead = this.CreateObject<ITEmpHead>(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(oITEmpHead, "Get", id);
            #endregion
            return oITEmpHead;
        }
        public ITEmpHead Get(int nEmpID, int taxparamID)
        {
            ITEmpHead oITEmpHead = new ITEmpHead();
            #region Cache Header
            oITEmpHead = _cache["Get", nEmpID,  taxparamID] as ITEmpHead;
            if (oITEmpHead != null)
                return oITEmpHead;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(ITEmpHeadDA.Get(tc, nEmpID,  taxparamID));
                if (oreader.Read())
                {
                    oITEmpHead = this.CreateObject<ITEmpHead>(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(oITEmpHead, "Get", nEmpID,  taxparamID);
            #endregion
            return oITEmpHead;
        }
        
        public ObjectsTemplate<ITEmpHead> Get(int taxparamID)
        {
            #region Cache Header

            ObjectsTemplate<ITEmpHead> ITEmpHeads = _cache["Get",taxparamID] as ObjectsTemplate<ITEmpHead>;
            if (ITEmpHeads != null)
                return ITEmpHeads;

            #endregion

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();

                DataReader dr = new DataReader(ITEmpHeadDA.Get(tc,taxparamID));
                ITEmpHeads = this.CreateObjects<ITEmpHead>(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(ITEmpHeads, "Get",taxparamID);

            #endregion

            return ITEmpHeads;
        }

        public ID Save(ITEmpHead oITEmpHead)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                if (oITEmpHead.IsNew)
                {
                    int id = tc.GenerateID("ITEmpHead", "ITEMPHEADID");
                    base.SetObjectID(oITEmpHead, ID.FromInteger(id));
                    ITEmpHeadDA.Insert(tc, oITEmpHead);
                }
                else
                {
                    ITEmpHeadDA.Update(tc, oITEmpHead);
                }
                tc.End();
                return oITEmpHead.ID;
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
        }
        public ID Save2(ITEmpHead oITEmpHead)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);

                int id = tc.GenerateID("ITEmpHead", "ITEMPHEADID");
                base.SetObjectID(oITEmpHead, ID.FromInteger(id));
                ITEmpHeadDA.Insert(tc, oITEmpHead);
                tc.End();
                return oITEmpHead.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);
                ITEmpHeadDA.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
            }
        }
        #endregion
    }
    #endregion
}