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

        #endregion
        public CompanyService() { }

        private void MapObject(Company oCompany, DataReader oReader)
        {
            base.SetObjectID(oCompany, oReader.GetID("CompanyID"));
            oCompany.Code = oReader.GetString("code");
            oCompany.Name = oReader.GetString("description");
            oCompany.Sequence = oReader.GetInt32("SequenceNo").Value;
            oCompany.Status = (EnumStatus)oReader.GetInt32("Status").Value;
            oCompany.CreatedBy = oReader.GetID("CreatedBy");
            oCompany.CreatedDate = oReader.GetDateTime("CreatedDate").Value;
            oCompany.ModifiedBy = oReader.GetID("ModifiedBy");
            oCompany.ModifiedDate = oReader.GetDateTime("ModifiedDate");
            this.SetObjectState(oCompany, Ease.CoreV35.ObjectState.Saved);
        }
        protected override T CreateObject<T>(DataReader oReader)
        {
            Company oCompany = new Company();
            MapObject(oCompany, oReader);
            return oCompany as T;
        }
        protected Company CreateObject(DataReader oReader)
        {
            Company oCompany = new Company();
            MapObject(oCompany, oReader);
            return oCompany;
        }
        #region Service implementation
        public Company Get(ID id)
        {
            Company oCompany = new Company();
            #region Cache Header
            oCompany = _cache["Get", id] as Company;
            if (oCompany != null)
                return oCompany;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(CompanyDA.Get(tc, id));
                if (oreader.Read())
                {
                    oCompany = this.CreateObject<Company>(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(oCompany, "Get", id);
            #endregion
            return oCompany;
        }

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

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

            #endregion

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

                DataReader dr = new DataReader(CompanyDA.Get(tc, status));
                Companys = this.CreateObjects<Company>(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(Companys, "Get", status);

            #endregion

            return Companys;
        }
        public ID Save(Company oCompany)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                if (oCompany.IsNew)
                {

                    int id = tc.GenerateID("Company", "CompanyID");
                    base.SetObjectID(oCompany, ID.FromInteger(id));
                    int seqNo = tc.GenerateID("Company", "SequenceNo");
                    oCompany.Sequence = seqNo;
                    CompanyDA.Insert(tc, oCompany);
                }
                else
                {
                    CompanyDA.Update(tc, oCompany);
                }
                tc.End();
                return oCompany.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);
                CompanyDA.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
}