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 Payroll.Service.HRBasic.DA;


namespace Payroll.Service
{
    #region class DisciplineService
    [Serializable]
    public class DisciplineService : ServiceTemplate, IDisciplineService
    {
        #region Private functions and declaration
        Cache _cache = new Cache(typeof(Discipline));
        #endregion

        #region constructor
        public DisciplineService() 
        { }
        #endregion

        #region Object
        private void MapObject(Discipline oDiscipline, DataReader oReader)
        {
            base.SetObjectID(oDiscipline, oReader.GetID("DISCIPLINEID"));
            oDiscipline.Code = oReader.GetString("CODE");
            oDiscipline.Description = oReader.GetString("DESCRIPTION");
            oDiscipline.EducationLevelID = oReader.GetID("EDUCATIONLEVELID").IsUnassigned ? ID.FromInteger(1) : oReader.GetID("EDUCATIONLEVELID");
            oDiscipline.Sequence = oReader.GetInt32("SequenceNo").Value;
            oDiscipline.Status = (EnumStatus)oReader.GetInt32("Status").Value;
            oDiscipline.CreatedBy = oReader.GetID("CreatedBy");
            oDiscipline.CreatedDate = oReader.GetDateTime("CreationDate").Value;
            oDiscipline.ModifiedBy = oReader.GetID("ModifiedBy");
            oDiscipline.ModifiedDate = oReader.GetDateTime("ModifiedDate");

            this.SetObjectState(oDiscipline, Ease.CoreV35.ObjectState.Saved);
        }

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

        protected Discipline CreateObject(DataReader oReader)
        {
            Discipline oDiscipline = new Discipline();
            MapObject(oDiscipline, oReader);
            return oDiscipline;
        }

        private void MapDisLevelObject(Discipline.DisciplineLevel oDisLevel, DataReader oReader)
        {
            base.SetObjectID(oDisLevel, oReader.GetID("DISCIPLINELEVELID"));
            oDisLevel.DiscilineID = oReader.GetID("DISCIPLINEID");
            oDisLevel.LevelID = oReader.GetID("LEVELID");

            this.SetObjectState(oDisLevel, Ease.CoreV35.ObjectState.Saved);
        }

        protected ObjectsTemplate<Discipline.DisciplineLevel> CreateDisLevelObjects(DataReader oReader)
        {
            ObjectsTemplate<Discipline.DisciplineLevel> oDisciplineLevels = new ObjectsTemplate<Discipline.DisciplineLevel>();
            while(oReader.Read())
            {
                Discipline.DisciplineLevel oDisLevel=new Discipline.DisciplineLevel();
                MapDisLevelObject(oDisLevel, oReader);
                oDisciplineLevels.Add(oDisLevel);
            }

            return oDisciplineLevels;
        }


        #endregion

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

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

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

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

            #endregion

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

                DataReader dr = new DataReader(DisciplineDA.Get(tc));
                disciplines = this.CreateObjects<Discipline>(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(disciplines, "Get");

            #endregion

            return disciplines;
        }

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

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

            #endregion

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

                DataReader dr = new DataReader(DisciplineDA.Get(tc, status));
                disciplines = this.CreateObjects<Discipline>(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(disciplines, "Get", status);

            #endregion

            return disciplines;
        }

        public ObjectsTemplate<Discipline> GetByEducationLevel(ID levelID)
        {
            #region Cache Header

            ObjectsTemplate<Discipline> disciplines = _cache["GetByEducationLevel"] as ObjectsTemplate<Discipline>;
            if (disciplines != null)
                return disciplines;

            #endregion

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

                DataReader dr = new DataReader(DisciplineDA.GetByEducationLevel(tc, levelID.Integer));
                disciplines = this.CreateObjects<Discipline>(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(disciplines, "GetByEducationLevel", levelID);

            #endregion

            return disciplines;
        }

        public ObjectsTemplate<Discipline.DisciplineLevel> GetDisplineByDID(ID DisID)
        {
            #region Cache Header

            ObjectsTemplate<Discipline.DisciplineLevel> disciplines = _cache["GetDisplineByDID"] as ObjectsTemplate<Discipline.DisciplineLevel>;
            if (disciplines != null)
                return disciplines;

            #endregion

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

                DataReader dr = new DataReader(DisciplineDA.GetDisplineByDID(tc, DisID));
                disciplines = this.CreateDisLevelObjects(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(disciplines, "GetDisplineByDID", DisID);

            #endregion

            return disciplines;
        }

        public ObjectsTemplate<Discipline.DisciplineLevel> GetDisByEducationLevel(ID LevelID)
        {
            #region Cache Header

            ObjectsTemplate<Discipline.DisciplineLevel> disciplines = _cache["GetDisByEducationLevel"] as ObjectsTemplate<Discipline.DisciplineLevel>;
            if (disciplines != null)
                return disciplines;

            #endregion

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

                DataReader dr = new DataReader(DisciplineDA.GetDisByEducationLevel(tc, LevelID));
                
                disciplines = this.CreateDisLevelObjects(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(disciplines, "GetDisByEducationLevel", LevelID);

            #endregion

            return disciplines;
        }

   
        public ID Save(Discipline oDiscipline)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                if (oDiscipline.IsNew)
                {
                    int id = tc.GenerateID("DISCIPLINE", "DISCIPLINEID");
                    base.SetObjectID(oDiscipline, ID.FromInteger(id));
                    DisciplineDA.Insert(tc, oDiscipline);
                }
                else
                {
                    DisciplineDA.Update(tc, oDiscipline);
                    DisciplineDA.DeleteByDisID(tc, oDiscipline.ID.Integer);
                }

                foreach (Discipline.DisciplineLevel disciplineLevel in oDiscipline.DisciplineLevels)
                {
                    int id = tc.GenerateID("DisciplineLevel", "DisciplineLevelID");
                    disciplineLevel.DiscilineID = oDiscipline.ID;
                    base.SetObjectID(disciplineLevel, ID.FromInteger(id));
                    DisciplineDA.Insert(tc, disciplineLevel);
                }
                tc.End();
                return oDiscipline.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);
                DisciplineDA.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
}