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

        #endregion
        public DesignationService() { }

        private void MapObject(Designation oDesignation, DataReader oReader)
        {
            base.SetObjectID(oDesignation, oReader.GetID("DesignationID"));
            oDesignation.Code = oReader.GetString("Code");
            oDesignation.Name = oReader.GetString("Name");
            oDesignation.GradeID = oReader.GetID("GradeID");
            oDesignation.Sequence = oReader.GetInt32("SequenceNo").Value;
            oDesignation.Status = (EnumStatus)oReader.GetInt32("Status").Value;
            oDesignation.CreatedBy =oReader.GetID("CreatedBy");
            oDesignation.CreatedDate = oReader.GetDateTime("CreationDate")==null?DateTime.Today: oReader.GetDateTime("CreationDate").Value;
            oDesignation.ModifiedBy = oReader.GetID("ModifiedBy");
            oDesignation.ModifiedDate = oReader.GetDateTime("ModifiedDate");
            this.SetObjectState(oDesignation, Ease.CoreV35.ObjectState.Saved);
        }
        protected override T CreateObject<T>(DataReader oReader)
        {
            Designation oDesignation = new Designation();
            MapObject(oDesignation, oReader);
            return oDesignation as T;
        }
        protected Designation CreateObject(DataReader oReader)
        {
            Designation oDesignation = new Designation();
            MapObject(oDesignation, oReader);
            return oDesignation;
        }
        #region Service implementation

        public string GetNextCode()
        {
            TransactionContext tc = null;
            string _code = "";
            try
            {
                tc = TransactionContext.Begin();
                _code = GlobalFunctionService.GetMaxCode(tc, "designation", "codeautogenerate", "Designation", "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 Designation Get(ID id)
        {
            Designation oDesignation = new Designation();
            #region Cache Header
            oDesignation = _cache["Get", id] as Designation;
            if (oDesignation != null)
                return oDesignation;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(DesignationDA.Get(tc, id));
                if (oreader.Read())
                {
                    oDesignation = this.CreateObject<Designation>(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(oDesignation, "Get", id);
            #endregion
            return oDesignation;
        }

        public Designation Get(string sCode)
        {
            Designation oDesignation = new Designation();
            #region Cache Header
            oDesignation = _cache["Get", sCode] as Designation;
            if (oDesignation != null)
                return oDesignation;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(DesignationDA.Get(tc, sCode));
                if (oreader.Read())
                {
                    oDesignation = this.CreateObject<Designation>(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(oDesignation, "Get", sCode);
            #endregion
            return oDesignation;
        }

        public ObjectsTemplate<Designation> Get(EnumStatus status)
        {
            #region Cache Header

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

            #endregion

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

                DataReader dr = new DataReader(DesignationDA.Get(tc, status));
                designations = this.CreateObjects<Designation>(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(designations, "Get",status);

            #endregion

            return designations;
        }

        public ObjectsTemplate<Designation> GetWithSapCodes(EnumStatus status)
        {
            #region Cache Header

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

            #endregion

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

                DataReader dr = new DataReader(DesignationDA.Get(tc, status));
                designations = this.CreateObjects<Designation>(dr);
                dr.Close();

                foreach (Designation desg in designations)
                {
                    desg.SapDesCodes = (new SAPDesignationCodeService()).Get(tc, desg.ID);
                }
                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(designations, "Get", status);

            #endregion

            return designations;
        }
        public ID Save(Designation oDesignation)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                if (oDesignation.IsNew)
                {
                    int id = tc.GenerateID("Designation", "DesignationID");
                    int seqID = tc.GenerateID("Designation", "SequenceNO");
                    base.SetObjectID(oDesignation, ID.FromInteger(id));
                    oDesignation.Sequence = seqID;
                    DesignationDA.Insert(tc, oDesignation);
                }
                else
                {
                    DesignationDA.Update(tc, oDesignation);
                }
                tc.End();
                return oDesignation.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);
                DesignationDA.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

        //For excel Upload
        public static void SaveForUpload( TransactionContext tc, ObjectsTemplate<Designation> designations)
        {
            try
            {
                foreach (Designation oDesignation in designations)
                {
                    if (oDesignation.IsNew)
                    {
                        int seqNo = tc.GenerateID("Designation", "SequenceNO");
                        oDesignation.Sequence = seqNo;

                        bool isAutoGenerated = ConfigurationManager.GetBoolValue("designation", "codeautogenerate", EnumConfigurationType.Logic);
                        if (isAutoGenerated == true)
                            oDesignation.Code = GlobalFunctionService.GetMaxCode(tc, "designation", "codeautogenerate", "Designation", "Code");

                        oDesignation.CreatedBy = User.CurrentUser.ID;
                        oDesignation.CreatedDate = DateTime.Now;
                        DesignationDA.Insert(tc, oDesignation);
                    }
                    else
                    {
                        oDesignation.ModifiedBy  = User.CurrentUser.ID;
                        oDesignation.ModifiedDate  = DateTime.Now;
                        DesignationDA.Update(tc, oDesignation);
                    }
                }
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
        }
    }
    #endregion
}