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 class InstitutionService
    [Serializable]
    public class InstitutionService : ServiceTemplate, IInstitutionService
    {  
        #region Private functions and declaration
        Cache _cache = new Cache(typeof(Institution));
        #endregion

        #region constructor
        public InstitutionService() { }
        #endregion

        #region Object
        private void MapObject(Institution oInstitution, DataReader oReader)
        {
            base.SetObjectID(oInstitution, oReader.GetID("INSTITUTIONID"));
            oInstitution.Code = oReader.GetString("CODE");
            oInstitution.Name = oReader.GetString("NAME");
            oInstitution.Type = oReader.GetInt32("TYPE").Value;
            oInstitution.EducationTypeID = oReader.GetID("EducationTypeID");
            oInstitution.Sequence = oReader.GetInt32("SequenceNo").Value;
            oInstitution.Status = (EnumStatus)oReader.GetInt32("Status").Value;
            oInstitution.CreatedBy = oReader.GetID("CreatedBy");
            oInstitution.CreatedDate = oReader.GetDateTime("CreationDate").Value;
            oInstitution.ModifiedBy = oReader.GetID("ModifiedBy");
            oInstitution.ModifiedDate = oReader.GetDateTime("ModifiedDate");

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

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

        protected Institution CreateObject(DataReader oReader)
        {
            Institution oInstitution = new Institution();
            MapObject(oInstitution, oReader);
            return oInstitution;
        }

        #endregion

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

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

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

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

            #endregion

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

                DataReader dr = new DataReader(InstitutionDA.Get(tc));
                institutions = this.CreateObjects<Institution>(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(institutions, "Get");

            #endregion

            return institutions;
        }

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

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

            #endregion

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

                DataReader dr = new DataReader(InstitutionDA.Get(tc, status));
                institutions = this.CreateObjects<Institution>(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(institutions, "Get", status);

            #endregion

            return institutions;
        }

        public ObjectsTemplate<Institution> GetByInstituteType(EnmInstituteType type)
        {
            #region Cache Header

            ObjectsTemplate<Institution> institutions = _cache["GetByInstituteType"] as ObjectsTemplate<Institution>;
            if (institutions != null)
                return institutions;

            #endregion

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

                DataReader dr = new DataReader(InstitutionDA.GetByInstituteType(tc, type));
                institutions = this.CreateObjects<Institution>(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(institutions, "GetByInstituteType", type);

            #endregion

            return institutions;
        }


        public ID Save(Institution oInstitution)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                if (oInstitution.IsNew)
                {
                    int id = tc.GenerateID("INSTITUTION", "INSTITUTIONID");
                    base.SetObjectID(oInstitution, ID.FromInteger(id));
                    InstitutionDA.Insert(tc, oInstitution);
                }
                else
                {
                    InstitutionDA.Update(tc, oInstitution);
                }
                tc.End();
                return oInstitution.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);
                InstitutionDA.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 bool IsExists(string Code)
        {
            TransactionContext tc = null;
            bool isExists = false;
            try
            {
                tc = TransactionContext.Begin(true);
                isExists = InstitutionDA.IsExists(tc, Code);
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException("Failed to get Skill due to " + e.Message, e);

                #endregion
            }
            return isExists;
        }
        #endregion

    }
    #endregion
}