using Ease.Core.DataAccess;
using Ease.Core.Model;
using Ease.Core.Utility;
using System;
using System.Collections.Generic;
using System.Data;
using HRM.BO;

namespace HRM.DA
{
    public class EmployeeHistoryService : ServiceTemplate, IEmployeeHistoryService
    {
        public EmployeeHistoryService()
        {
        }

        private void MapObject(EmployeeHistory oEmployeeHistory, DataReader oReader)
        {
            base.SetObjectID(oEmployeeHistory, oReader.GetInt32("ID").Value);
            oEmployeeHistory.EmployeeID = oReader.GetInt32("EmployeeID", 0);
            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.GetInt32("CreatedBy", 0);
            oEmployeeHistory.CreatedDate = oReader.GetDateTime("CreationDate").Value;
            oEmployeeHistory.ModifiedBy = oReader.GetInt32("ModifiedBy", 0);
            oEmployeeHistory.ModifiedDate = oReader.GetDateTime("ModifiedDate");
            this.SetObjectState(oEmployeeHistory, Ease.Core.ObjectState.Saved);
        }

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

        #region Service implementation

        public EmployeeHistory Get(int id)
        {
            EmployeeHistory oEmployeeHistory = null;

            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
            }

            return oEmployeeHistory;
        }

        public EmployeeHistory GetByEmpID(int nEmpID)
        {
            EmployeeHistory oEmployeeHistory = null;

            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
            }

            return oEmployeeHistory;
        }

        public EmployeeHistory GetEmpLastHistory(int nEmpID)
        {
            EmployeeHistory oEmployeeHistory = null;

            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
            }

            return oEmployeeHistory;
        }

        public List<EmployeeHistory> Get()
        {
            List<EmployeeHistory> employeeHistorys = new List<EmployeeHistory>();

            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
            }

            return employeeHistorys;
        }

        public int DoContinue(TransactionContext tc, EmployeeHistory oEmployeeHistory, bool continuePF)
        {
            try
            {
                if (oEmployeeHistory.IsNew)
                {
                    int id = tc.GenerateID("EmployeeHistory", "ID");
                    base.SetObjectID(oEmployeeHistory, 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 int 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);
                    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);
                    oEmployeeHistory.CreatedBy = oEmployeeHistory.CreatedBy;
                    oEmployeeHistory.CreatedDate = DateTime.Now;
                    EmployeeHistoryDA.Insert(tc, oEmployeeHistory);
                    HREmployeeDA.UpdateStatus(tc, oEmployeeHistory.EmployeeID, oEmployeeHistory.EmployeeStatus);
                }
                else
                {
                    oEmployeeHistory.ModifiedBy = oEmployeeHistory.ModifiedBy;
                    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 int 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);
                    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(int 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(int 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
    }
}