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

        #endregion
        public TermService() { }

        private void MapObject(Term oTerm, DataReader oReader)
        {
            base.SetObjectID(oTerm, oReader.GetID("termID"));
            oTerm.Code = oReader.GetString("code");
            oTerm.Name = oReader.GetString("name");
            oTerm.TermType = (EnumTermType)oReader.GetInt32("TermType").Value;
            oTerm.Sequence = oReader.GetInt32("SequenceNo").Value;
            oTerm.Status = (EnumStatus)oReader.GetInt32("Status").Value;
            oTerm.CreatedBy = oReader.GetID("CreatedBy");
            oTerm.CreatedDate = oReader.GetDateTime("CreationDate").Value;
            oTerm.ModifiedBy = oReader.GetID("ModifiedBy");
            oTerm.ModifiedDate = oReader.GetDateTime("ModifiedDate");
            oTerm.EntityMode = (EnumEntityMode)oReader.GetInt32("EntityMode").Value;
            oTerm.MaxValue = oReader.GetDouble("MaxValue").Value;
            oTerm.ItemCode = oReader.GetString("ItemCode");
            oTerm.IsFestival = oReader.GetBoolean("IsFestival").Value;
            this.SetObjectState(oTerm, Ease.CoreV35.ObjectState.Saved);
        }
        protected override T CreateObject<T>(DataReader oReader)
        {
            Term oTerm = new Term();
            MapObject(oTerm, oReader);
            return oTerm as T;
        }
        protected Term CreateObject(DataReader oReader)
        {
            Term oTerm = new Term();
            MapObject(oTerm, oReader);
            return oTerm;
        }
        #region Service implementation
        public Term Get(ID id)
        {
            Term oTerm = new Term();
            #region Cache Header
            oTerm = _cache["Get", id] as Term;
            if (oTerm != null)
                return oTerm;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(TermDA.Get(tc, id));
                if (oreader.Read())
                {
                    oTerm = this.CreateObject<Term>(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(oTerm, "Get", id);
            #endregion
            return oTerm;
        }
        public string GetNextCode()
        {
            TransactionContext tc = null;
            string _code = "";
            try
            {
                tc = TransactionContext.Begin();
                _code = GlobalFunctionService.GetMaxCode(tc, "term", "codeautogenerate", "Term", "Code");
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
            return _code;
        }
        public ObjectsTemplate<Term> Get(EnumStatus status)
        {
            #region Cache Header

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

            #endregion

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

                DataReader dr = new DataReader(TermDA.Get(tc,status));
                terms = this.CreateObjects<Term>(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(terms, "Get",status);

            #endregion

            return terms;
        }

        public ObjectsTemplate<Term> GetBySlabTerm(EnumTermType slabType)
        {
            #region Cache Header

            ObjectsTemplate<Term> terms = _cache["Get",slabType] as ObjectsTemplate<Term>;
            if (terms != null)
                return terms;

            #endregion

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

                DataReader dr = new DataReader(TermDA.GetBySlabTerm(tc,slabType));
                terms = this.CreateObjects<Term>(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(terms, "Get",slabType);

            #endregion

            return terms;
        }

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