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 EmployeeHistory Service
    [Serializable]
    public class EmployeeHistoryService : ServiceTemplate, IEmployeeHistoryService
    {
        #region Private functions and declaration
        Cache _cache = new Cache(typeof(EmployeeHistory));

        #endregion
        public EmployeeHistoryService() { }

        private void MapObject(EmployeeHistory oEmployeeHistory, DataReader oReader)
        {
            base.SetObjectID(oEmployeeHistory, oReader.GetID("ID"));
            oEmployeeHistory.EmployeeID = oReader.GetID("employeeID");
            oEmployeeHistory.EffectDate = oReader.GetDateTime("effectDate").Value;
            oEmployeeHistory.EndDate = oReader.GetDateTime("EndDate").HasValue ? oReader.GetDateTime("EndDate").Value : DateTime.Now;
            oEmployeeHistory.EmployeeStatus = (EnumEmployeeStatus)oReader.GetInt32("paramID").Value;
            oEmployeeHistory.Remarks = oReader.GetString("remarks");
            oEmployeeHistory.CreatedBy = oReader.GetID("CreatedBy");
            oEmployeeHistory.CreatedDate = oReader.GetDateTime("CreationDate").Value;
            oEmployeeHistory.ModifiedBy = oReader.GetID("ModifiedBy");
            oEmployeeHistory.ModifiedDate = oReader.GetDateTime("ModifiedDate");
            this.SetObjectState(oEmployeeHistory, Ease.CoreV35.ObjectState.Saved);
        }
        protected override T CreateObject<T>(DataReader oReader)
        {
            EmployeeHistory oEmployeeHistory = new EmployeeHistory();
            MapObject(oEmployeeHistory, oReader);
            return oEmployeeHistory as T;
        }
        protected EmployeeHistory CreateObject(DataReader oReader)
        {
            EmployeeHistory oEmployeeHistory = new EmployeeHistory();
            MapObject(oEmployeeHistory, oReader);
            return oEmployeeHistory;
        }
        #region Service implementation
        public  EmployeeHistory Get(ID id)
        {
            EmployeeHistory oEmployeeHistory = new EmployeeHistory();
            #region Cache Header
            oEmployeeHistory = _cache["Get", id] as EmployeeHistory;
            if (oEmployeeHistory != null)
                return oEmployeeHistory;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(EmployeeHistoryDA.Get(tc, id));
                if (oreader.Read())
                {
                    oEmployeeHistory = this.CreateObject<EmployeeHistory>(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(oEmployeeHistory, "Get", id);
            #endregion
            return oEmployeeHistory;
        }

        public EmployeeHistory GetByEmpID(ID nEmpID)
        {
            EmployeeHistory oEmployeeHistory = new EmployeeHistory();
            #region Cache Header
            oEmployeeHistory = _cache["Get", nEmpID] as EmployeeHistory;
            if (oEmployeeHistory != null)
                return oEmployeeHistory;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(EmployeeHistoryDA.GetByEmpID(tc, nEmpID));
                if (oreader.Read())
                {
                    oEmployeeHistory = this.CreateObject<EmployeeHistory>(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(oEmployeeHistory, "Get", nEmpID);
            #endregion
            return oEmployeeHistory;
        }
        public EmployeeHistory GetEmpLastHistory(ID nEmpID)
        {
            EmployeeHistory oEmployeeHistory = new EmployeeHistory();
            #region Cache Header
            oEmployeeHistory = _cache["GetEmpLastHistory", nEmpID] as EmployeeHistory;
            if (oEmployeeHistory != null)
                return oEmployeeHistory;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(EmployeeHistoryDA.GetEmpLastHistory(tc, nEmpID));
                if (oreader.Read())
                {
                    oEmployeeHistory = this.CreateObject<EmployeeHistory>(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(oEmployeeHistory, "GetEmpLastHistory", nEmpID);
            #endregion
            return oEmployeeHistory;
        }

        public ObjectsTemplate<EmployeeHistory> Get()
        {
            #region Cache Header

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

            #endregion

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

                DataReader dr = new DataReader(EmployeeHistoryDA.Get(tc));
                employeeHistorys = this.CreateObjects<EmployeeHistory>(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(employeeHistorys, "Get");

            #endregion

            return employeeHistorys;
        }

        public ID DoContinue(TransactionContext tc, EmployeeHistory oEmployeeHistory, bool continuePF)
        {
            try
            {
                if (oEmployeeHistory.IsNew)
                {
                    int id = tc.GenerateID("EmployeeHistory", "ID");
                    base.SetObjectID(oEmployeeHistory, ID.FromInteger(id));
                    EmployeeHistoryDA.Insert(tc, oEmployeeHistory);
                    EmployeeDA.DoContinue(tc, oEmployeeHistory.EmployeeID);
                }
                else
                {
                    EmployeeHistoryDA.Update(tc, oEmployeeHistory);
                    EmployeeDA.DoContinue(tc, oEmployeeHistory.EmployeeID);
                }
                if (continuePF == false)
                {
                    EmployeeDA.UpdatePFMemship(tc, oEmployeeHistory.EmployeeID,
                        EnumPFMembershipType.DiscontinuedfromPayroll, oEmployeeHistory.EffectDate);
                }
                else
                {
                    EmployeeDA.UpdatePFMemship(tc, oEmployeeHistory.EmployeeID,
                        EnumPFMembershipType.Live, oEmployeeHistory.EffectDate);
                }
                return oEmployeeHistory.ID;
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
        }

        public ID Save(EmployeeHistory oEmployeeHistory, bool disAfterCurrmonth, bool continuePF)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                if (oEmployeeHistory.IsNew)
                {
                    int id = tc.GenerateID("EmployeeHistory", "ID");
                    base.SetObjectID(oEmployeeHistory, ID.FromInteger(id));
                    EmployeeHistoryDA.Insert(tc, oEmployeeHistory);
                    EmployeeDA.UpdateStatus(tc, oEmployeeHistory.EmployeeID, oEmployeeHistory.ID,
                       oEmployeeHistory.EffectDate, oEmployeeHistory.EmployeeStatus);
                }
                else
                {
                    EmployeeHistoryDA.Update(tc, oEmployeeHistory);
                    EmployeeDA.UpdateStatus(tc, oEmployeeHistory.EmployeeID, oEmployeeHistory.ID,
                        oEmployeeHistory.EffectDate, oEmployeeHistory.EmployeeStatus);
                }
                if (disAfterCurrmonth == true)
                {
                    EmployeeDA.UpdatemiddleOfMonthDiscontinue(tc,
                        oEmployeeHistory.EmployeeID, oEmployeeHistory.EmployeeStatus, oEmployeeHistory.EffectDate);
                }
                else {
                    if (continuePF == false)
                        EmployeeDA.UpdatePFMemship(tc, oEmployeeHistory.EmployeeID,
                            EnumPFMembershipType.DiscontinuedfromPayroll, oEmployeeHistory.EffectDate);

                    if (continuePF == true)
                        EmployeeDA.UpdatePFMemship(tc, oEmployeeHistory.EmployeeID,
                            EnumPFMembershipType.Live, oEmployeeHistory.EffectDate);
                    //if (oEmployeeHistory.EmployeeStatus == EnumEmployeeStatus.Live)
                    //    EmployeeDA.UpdateConfirmation(tc, oEmployeeHistory.EmployeeID, oEmployeeHistory.EmployeeStatus, oEmployeeHistory.EffectDate);
                }
                tc.End();
                return oEmployeeHistory.ID;
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
        }

        public void Save(TransactionContext tc, EmployeeHistory oEmployeeHistory, bool disAfterCurrmonth)
        {           
            try
            {                
                if (oEmployeeHistory.IsNew)
                {                    
                    int id = tc.GenerateID("EmployeeHistory", "ID");
                    base.SetObjectID(oEmployeeHistory, ID.FromInteger(id));
                    oEmployeeHistory.CreatedBy = Payroll.BO.User.CurrentUser.ID;
                    oEmployeeHistory.CreatedDate = DateTime.Now;
                    EmployeeHistoryDA.Insert(tc, oEmployeeHistory);
                    HREmployeeDA.UpdateStatus(tc, oEmployeeHistory.EmployeeID, oEmployeeHistory.EmployeeStatus);
                }
                else
                {
                    oEmployeeHistory.ModifiedBy = Payroll.BO.User.CurrentUser.ID;
                    oEmployeeHistory.ModifiedDate = DateTime.Now;
                    EmployeeHistoryDA.Update(tc, oEmployeeHistory);
                    HREmployeeDA.UpdateStatus(tc, oEmployeeHistory.EmployeeID, oEmployeeHistory.EmployeeStatus);
                }                
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
        }        
        public ID DoContinue(EmployeeHistory oEmployeeHistory, bool continuePF)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                if (oEmployeeHistory.IsNew)
                {
                    int id = tc.GenerateID("EmployeeHistory", "ID");
                    base.SetObjectID(oEmployeeHistory, ID.FromInteger(id));
                    EmployeeHistoryDA.Insert(tc, oEmployeeHistory);
                    EmployeeDA.DoContinue(tc, oEmployeeHistory.EmployeeID);
                }
                else
                {
                    EmployeeHistoryDA.Update(tc, oEmployeeHistory);
                    EmployeeDA.DoContinue(tc, oEmployeeHistory.EmployeeID);
                }
                if (continuePF == false)
                {
                    EmployeeDA.UpdatePFMemship(tc, oEmployeeHistory.EmployeeID,
                        EnumPFMembershipType.DiscontinuedfromPayroll, oEmployeeHistory.EffectDate);
                }
                else
                {
                    EmployeeDA.UpdatePFMemship(tc, oEmployeeHistory.EmployeeID,
                        EnumPFMembershipType.Live, oEmployeeHistory.EffectDate);
                }
                tc.End();
                return oEmployeeHistory.ID;
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
        }

        public DataSet GetEmpHistory(DateTime dEffectDate, DateTime dEffectDate2, int payrollTypeID)
        {
            DataSet oEmpPostings = new DataSet();
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                oEmpPostings = EmployeeHistoryDA.GetEmpHistory(tc, dEffectDate, dEffectDate2, payrollTypeID);
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
            return oEmpPostings;
        }

        public DateTime GetDate(int empID, EnumEmployeeStatus ParamID)
        {
            DateTime dt ;
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();

                dt = EmployeeHistoryDA.GetByEmpIDandParam(tc, empID, ParamID);
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);

                throw new ServiceException(e.Message, e);

                #endregion
            }
            return dt;
        }

        //public void SaveConfirm(EmployeeHistory oEmployeeHistory, bool confirmEmpPF,EnumEmployeeOtherStatus IsConfirm)
        //{
        //    TransactionContext tc = null;
        //    try
        //    {
        //        tc = TransactionContext.Begin(true);
        //        //if (oEmployeeHistory.IsNew)
        //        //{
        //        //    int id = tc.GenerateID("EmployeeHistory", "ID");
        //        //    base.SetObjectID(oEmployeeHistory, ID.FromInteger(id));
        //        //    EmployeeHistoryDA.Insert(tc, oEmployeeHistory);
        //        //}
        //        //else
        //        //{
        //        //    EmployeeHistoryDA.Update(tc, oEmployeeHistory);
        //        //}
        //        if (oEmployeeHistory.EmployeeStatus == EnumEmployeeStatus.Live)
        //            EmployeeDA.UpdateConfirmation(tc, oEmployeeHistory.EmployeeID, IsConfirm, oEmployeeHistory.EffectDate,confirmEmpPF);
        //        tc.End();
        //    }
        //    catch (Exception e)
        //    {
        //        #region Handle Exception
        //        if (tc != null)
        //            tc.HandleError();
        //        ExceptionLog.Write(e);
        //        throw new ServiceException(e.Message, e);
        //        #endregion
        //    }        
         
        //}
        //public void SaveContinue(EmployeeHistory oEmployeeHistory, bool continuePF)
        //{
        //    TransactionContext tc = null;
        //    try
        //    {
        //        tc = TransactionContext.Begin(true);
        //        if (oEmployeeHistory.IsNew)
        //        {
        //            int id = tc.GenerateID("EmployeeHistory", "ID");
        //            base.SetObjectID(oEmployeeHistory, ID.FromInteger(id));
        //            EmployeeHistoryDA.Insert(tc, oEmployeeHistory);
        //            EmployeeDA.UpdateStatus(tc, oEmployeeHistory.EmployeeID, oEmployeeHistory.EmployeeStatus);
        //        }
        //        else
        //        {
        //            EmployeeHistoryDA.Update(tc, oEmployeeHistory);
        //            EmployeeDA.UpdateStatus(tc, oEmployeeHistory.EmployeeID, oEmployeeHistory.EmployeeStatus);
        //        }
        //        if (continuePF == true)
        //            EmployeeDA.UpdatePFMemship(tc, oEmployeeHistory.EmployeeID,
        //                EnumPFMembershipType.Live, oEmployeeHistory.EffectDate);
        //        //oEmployeeHistory.ID = ID.FromInteger(0);
        //        EmployeeDA.UpdateEmpContinue(tc, oEmployeeHistory.EmployeeID, oEmployeeHistory.EmployeeStatus);
        //        tc.End();
        //    }
        //    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);
                EmployeeHistoryDA.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 void DeleteByEmpID(ID nEmpID)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                EmployeeHistoryDA.DeleteByEmpID(tc, nEmpID);
                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
}