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

        #region constructor
        public CountryService() { }
        #endregion

        #region Object

        private void MapObject(Country oCountry, DataReader oReader)
        {
            base.SetObjectID(oCountry, oReader.GetID("COUNTRYID"));
            oCountry.Code = oReader.GetString("CODE");
            oCountry.Name = oReader.GetString("NAME");
            oCountry.Sequence = oReader.GetInt32("SequenceNo").Value;
            oCountry.Status = (EnumStatus)oReader.GetInt32("Status").Value;
            oCountry.CreatedBy = oReader.GetID("CreatedBy");
            oCountry.CreatedDate = oReader.GetDateTime("CreationDate").Value;
            oCountry.ModifiedBy = oReader.GetID("ModifiedBy");
            oCountry.ModifiedDate = oReader.GetDateTime("ModifiedDate");

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

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

        protected Country CreateObject(DataReader oReader)
        {
            Country oCountry = new Country();
            MapObject(oCountry, oReader);
            return oCountry;
        }

        #endregion

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

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

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

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

            #endregion

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

                DataReader dr = new DataReader(CountryDA.Get(tc));
                countries = this.CreateObjects<Country>(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(countries, "Get");

            #endregion

            return countries;
        }

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

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

            #endregion

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

                DataReader dr = new DataReader(CountryDA.Get(tc, status));
                countries = this.CreateObjects<Country>(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(countries, "Get", status);

            #endregion

            return countries;
        }
   

        public ID Save(Country oCountry)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                if (oCountry.IsNew)
                {
                    int id = tc.GenerateID("COUNTRY", "COUNTRYID");
                    base.SetObjectID(oCountry, ID.FromInteger(id));
                    CountryDA.Insert(tc, oCountry);
                }
                else
                {
                    CountryDA.Update(tc, oCountry);
                }
                tc.End();
                return oCountry.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);
                CountryDA.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
}