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;
using System.Text;

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

        #endregion
        public TermParameterService() { }

        private void MapObject(TermParameter oTermParameter, DataReader oReader)
        {
            base.SetObjectID(oTermParameter, oReader.GetID("TermParameterID"));
            oTermParameter.TermID = oReader.GetID("termID");
            oTermParameter.EffectDate = oReader.GetDateTime("effectDate").Value;
            oTermParameter.Amount = oReader.GetDouble("amount").Value;
            oTermParameter.Type = (EnumOverTimeType)oReader.GetInt32("type").Value;
            oTermParameter.CreatedBy = oReader.GetID("CreatedBy");
            oTermParameter.CreatedDate = oReader.GetDateTime("CreationDate").Value;
            oTermParameter.ModifiedBy = oReader.GetID("ModifiedBy");
            oTermParameter.ModifiedDate = oReader.GetDateTime("ModifiedDate");
            this.SetObjectState(oTermParameter, Ease.CoreV35.ObjectState.Saved);
        }
        protected override T CreateObject<T>(DataReader oReader)
        {
            TermParameter oTermParameter = new TermParameter();
            MapObject(oTermParameter, oReader);
            return oTermParameter as T;
        }
        protected TermParameter CreateObject(DataReader oReader)
        {
            TermParameter oTermParameter = new TermParameter();
            MapObject(oTermParameter, oReader);
            return oTermParameter;
        }

        private void MapObjectForTEGrade(TermParameter.TermEntityGrade oTermEGrade, DataReader oReader)
        {
            base.SetObjectID(oTermEGrade, oReader.GetID("TermentityID"));
            oTermEGrade.TermEntityID = oReader.GetID("TermentityID");
            oTermEGrade.GradeID = oReader.GetID("GRADEID");
            this.SetObjectState(oTermEGrade, Ease.CoreV35.ObjectState.Saved);
        }
        //protected override T CreateObject1<T>(DataReader oReader)
        //{
        //    TermEntityGrade oTermEGrade = new TermEntityGrade();
        //    MapObjectForTEGrade(oTermEGrade, oReader);
        //    return oTermEGrade as T;
        //}
      
        protected TermParameter.TermEntityGrade CreateObjectForTEGrade(DataReader oReader)
        {
            TermParameter.TermEntityGrade oTermEGrade = new TermParameter.TermEntityGrade();
            MapObjectForTEGrade(oTermEGrade, oReader);
            return oTermEGrade;
        }

        private ObjectsTemplate<TermParameter.TermEntityGrade> FillChildren(DataReader dr)
        {
            ObjectsTemplate<TermParameter.TermEntityGrade> _TerEGrades = new ObjectsTemplate<TermParameter.TermEntityGrade>();
            while (dr.Read())
            {
                TermParameter.TermEntityGrade item = this.CreateObjectForTEGrade(dr);
                _TerEGrades.Add(item);
            }
            return _TerEGrades;
        }

        #region Service implementation
        public TermParameter Get(ID id)
        {
            TermParameter oTermParameter = new TermParameter();
            #region Cache Header
            oTermParameter = _cache["Get", id] as TermParameter;
            if (oTermParameter != null)
                return oTermParameter;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(TermParameterDA.Get(tc, id));
                if (oreader.Read())
                {
                    oTermParameter = this.CreateObject<TermParameter>(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(oTermParameter, "Get", id);
            #endregion
            return oTermParameter;
        }

        public ObjectsTemplate<TermParameter> Get2(ID payrollTypeID)
        {
            #region Cache Header

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

            #endregion

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

                DataReader dr = new DataReader(TermParameterDA.Get2(tc, payrollTypeID));
                termParams = this.CreateObjects<TermParameter>(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(termParams, "Get");

            #endregion

            return termParams;
        }

        public ObjectsTemplate<TermParameter> GetByGradeID(ID nGradeID)
        {
            #region Cache Header

            ObjectsTemplate<TermParameter> termParams = _cache["Get",nGradeID] as ObjectsTemplate<TermParameter>;
            if (termParams != null)
                return termParams;

            #endregion

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

                DataReader dr = new DataReader(TermParameterDA.GetByGradeID(tc,nGradeID));
                termParams = this.CreateObjects<TermParameter>(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(termParams, "Get",nGradeID);

            #endregion

            return termParams;
        }

        public ObjectsTemplate<TermParameter.TermEntityGrade> GetGrades(ID nID)
        {
            #region Cache Header

            ObjectsTemplate<TermParameter.TermEntityGrade> termEntityGrades = _cache["Get", nID] as ObjectsTemplate<TermParameter.TermEntityGrade>;
            if (termEntityGrades != null)
                return termEntityGrades;

            #endregion

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

                DataReader dr = new DataReader(TermParameterDA.GetGrades(tc, nID));
                termEntityGrades=FillChildren(dr);
                //termEntityGrades = this.CreateObjects<TermEntityGrade>(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(termEntityGrades, "Get", nID);

            #endregion

            return termEntityGrades;

        }

        public ID Save(TermParameter oTermParameter)
        {
            TransactionContext tc = null;
            try
            {

                tc = TransactionContext.Begin(true);
                if (oTermParameter.IsNew)
                {
                    int id = tc.GenerateID("TermParameter", "TermParameterID");
                    base.SetObjectID(oTermParameter, ID.FromInteger(id));
                    TermParameterDA.Insert(tc, oTermParameter);
                }
                else
                {
                    TermParameterDA.Update(tc, oTermParameter);
                    TermParameterDA.DeleteGrade(tc, oTermParameter.ID);
                }


                foreach (TermParameter.TermEntityGrade teGrade in oTermParameter.TermEntityGrades)
                {
                    teGrade.TermEntityID = oTermParameter.ID;
                    TermParameterDA.Insert(tc, teGrade);
                }

                SetupDetailService sdetailService = new SetupDetailService();
                sdetailService.Save(tc, EnumParameterSetup.OT, 
                    oTermParameter.SetupDetails, oTermParameter.ID);

                //Newly Added by ashek 20 dec 2015
                // Update oteligible property of employee table
                if (oTermParameter.SetupDetails != null && oTermParameter.SetupDetails.Count > 0)
                {
                    string sIDs = oTermParameter.SetupDetails
                                                .Aggregate(new StringBuilder(), 
                                                (sb, item) => sb.Append(item.TranID.Integer + ","), 
                                                s => s.ToString().Trim(','));
                    EmployeeDA.UpdateOTFlag(tc, sIDs);
                }

                tc.End();
                return oTermParameter.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);
                SetupDetailService sd = new SetupDetailService();
                sd.Delete(tc, EnumParameterSetup.OT, id);

                TermParameterDA.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
}