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 Leave Year Service
    [Serializable]
    class LeaveYearService : ServiceTemplate, ILeaveYearService
    {
        #region Private functions and declaration
        Cache _cache = new Cache(typeof(LeaveYear));
        public LeaveYearService() { }

        private void MapObject(LeaveYear oLeaveYear, DataReader oReader)
        {
            base.SetObjectID(oLeaveYear, oReader.GetID("LeaveYearID"));
            oLeaveYear.Name = oReader.GetString("Name");
            oLeaveYear.StartDate = oReader.GetDateTime("StartDate").Value;
            oLeaveYear.EndDate = oReader.GetDateTime("EndDate").Value;
            //oLeaveYear.BenYearStartDate = oReader.GetDateTime("BenYearStartDate");
            //oLeaveYear.BenYearEndDate = oReader.GetDateTime("BenYearEndtDate");
            oLeaveYear.IsCurrent = oReader.GetBoolean("IsCurrent").Value;
            oLeaveYear.IsEnded = oReader.GetBoolean("IsEnded").Value;
            oLeaveYear.Status = (EnumStatus)oReader.GetInt32("Status").Value;
            oLeaveYear.Sequence = oReader.GetInt32("SequenceNo").Value;
            oLeaveYear.CreatedBy = oReader.GetID("CreatedBy");
            oLeaveYear.CreatedDate = oReader.GetDateTime("CreatedDate").Value;
            oLeaveYear.ModifiedBy = oReader.GetID("ModifiedBy");
            oLeaveYear.ModifiedDate = oReader.GetDateTime("ModifiedDate");
            
            this.SetObjectState(oLeaveYear, Ease.CoreV35.ObjectState.Saved);

        }
        protected override T CreateObject<T>(DataReader oReader)
        {
            LeaveYear oLeaveYear = new LeaveYear();
            MapObject(oLeaveYear, oReader);
            return oLeaveYear as T;

        }
        LeaveYear CreateObject(DataReader oReader)
        {
            LeaveYear oLeaveYear = new LeaveYear();
            MapObject(oLeaveYear, oReader);
            return oLeaveYear;
        }

        #endregion

        #region Service Implementation
        public LeaveYear Get(ID id)
        {
            LeaveYear oLeaveYear = new LeaveYear();
            #region Cache Header
            oLeaveYear = (LeaveYear)_cache["Get", id.Integer];
            if (oLeaveYear != null)
            {
                return oLeaveYear;
            }
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(LeaveYearDA.Get(tc, id.Integer));
                if (oreader.Read())
                {
                    oLeaveYear = this.CreateObject<LeaveYear>(oreader);
                }
                oreader.Close();
                tc.End();
            }
            catch (Exception ex)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(ex);
                throw new ServiceException("Failed to Get Leave Year: " + ex.Message, ex);
                #endregion
            }
            #region Cache Footer
            _cache.Add(oLeaveYear, "Get", id.Integer);
            #endregion
            return oLeaveYear;
        }
        public ObjectsTemplate<LeaveYear> Get()
        {
            #region Cache Header

            ObjectsTemplate<LeaveYear> oLeaveYears = _cache["Get"] as ObjectsTemplate<LeaveYear>;
            if (oLeaveYears != null)
                return oLeaveYears;

            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader dr = new DataReader(LeaveYearDA.Get(tc));
                oLeaveYears = this.CreateObjects<LeaveYear>(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(oLeaveYears, "Get");
            #endregion
            return oLeaveYears;
        }
        public ObjectsTemplate<LeaveYear> Get(EnumStatus status)
        {
            #region Cache Header

            ObjectsTemplate<LeaveYear> leaveYears = _cache["Get", status] as ObjectsTemplate<LeaveYear>;
            if (leaveYears != null)
                return leaveYears;

            #endregion

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

                DataReader dr = new DataReader(LeaveYearDA.Get(tc, status));
                leaveYears = this.CreateObjects<LeaveYear>(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(leaveYears, "Get", status);

            #endregion

            return leaveYears;
        }
        public LeaveYear GetIDByName(string sLeaveYear)
        {
            LeaveYear oLeaveYear = new LeaveYear();
            #region Cache Header
            oLeaveYear = (LeaveYear)_cache["Get", sLeaveYear];
            if (oLeaveYear != null)
                return oLeaveYear;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(LeaveYearDA.GetIDByName(tc, sLeaveYear));
                if (oreader.Read())
                {
                    oLeaveYear = this.CreateObject<LeaveYear>(oreader);
                }
                oreader.Close();
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException("Failed to Get Leave: " + e.Message, e);
                #endregion
            }
            #region Cache Footer
            _cache.Add(oLeaveYear, "Get", sLeaveYear);
            #endregion
            return oLeaveYear;
        }
        public LeaveYear GetCurrentYear()
        {

            LeaveYear oLeaveYear = null;
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(LeaveYearDA.GetCurrentYear(tc));
                if (oreader.Read())
                {
                    oLeaveYear = this.CreateObject<LeaveYear>(oreader);
                }
                oreader.Close();
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException("Failed to Get Leave Year: " + e.Message, e);
                #endregion
            }
            return oLeaveYear;
        }
        public LeaveYear GetCurrentYear(string year)
        {

            LeaveYear oLeaveYear = null;
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(LeaveYearDA.GetCurrentYear(tc, year));
                if (oreader.Read())
                {
                    oLeaveYear = this.CreateObject<LeaveYear>(oreader);
                }
                oreader.Close();
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException("Failed to Get Leave Year: " + e.Message, e);
                #endregion
            }
            return oLeaveYear;
        }
        public void UpdateYearEndValue(TransactionContext tc, LeaveYear leaveYear)
        {

            try
            {
                LeaveYearDA.UpdateYearEndStatus(tc, leaveYear);
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException("Failed to Save Leave Year: " + e.Message, e);
                #endregion
            }
        }

        public void UpdateCurrYearStatus(TransactionContext tc, LeaveYear leaveYear)
        {
            try
            {
                LeaveYearDA.UpdateCurrYearStatus(tc, leaveYear);
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException("Failed to update current year status; reason:" + e.Message, e);
                #endregion
            }
        }

        public ID Save(LeaveYear oLeaveYear)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                if (oLeaveYear.IsNew)
                {
                    int id = tc.GenerateID("LeaveYear", "LeaveYearID");
                    base.SetObjectID(oLeaveYear, ID.FromInteger(id));
                    int seqNo = tc.GenerateID("LeaveYear", "SequenceNO");
                    oLeaveYear.Sequence = seqNo;
                    LeaveYearDA.Insert(tc, oLeaveYear);
                }
                else
                {
                    LeaveYearDA.Update(tc, oLeaveYear);
                }
                tc.End();
                return oLeaveYear.ID;

            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException("Failed to Save Leave Year: " + e.Message, e);
                #endregion
            }
        }
        public void Delete(ID id)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                LeaveYearDA.Delete(tc, id.Integer);
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException("Failed to Delete Leave Year: " + e.Message, e);
                #endregion
            }
        }
        public int CountCurrentYear()
        {
            int res = 0;
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                res = LeaveYearDA.CountCurrentYear(tc);
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException("Failed to Get Leave Process Information: " + e.Message, e);
                #endregion
            }
            return res;

        }
        #endregion
    }
    #endregion
}