using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Ease.CoreV35.Caching;
using Ease.CoreV35.DataAccess;
using Ease.CoreV35.Model;
using Payroll.BO;

namespace Payroll.Service 
{
    public class VendorService : ServiceTemplate, IVendorService
    {
        #region Cache
        Cache _cache = new Cache(typeof(Vendor));
        #endregion
        
        #region Map Functions

        private void MapObject(Vendor oVendor, DataReader oReader)
        {
            base.SetObjectID(oVendor, oReader.GetID("VendorID"));
            oVendor.Name = oReader.GetString("Name");
            oVendor.Address = oReader.GetString("Address");
            oVendor.Balance = oReader.GetDouble("Balance").GetValueOrDefault(0);
            oVendor.ContactPerson = oReader.GetString("ContactPerson");
            oVendor.EmailAddress = oReader.GetString("EmailAddress");
            oVendor.Mobile = oReader.GetString("Mobile");
            oVendor.Telephone = oReader.GetString("Telephone");
            oVendor.VendorType = (EnumVendorType)oReader.GetUInt32("VendorType").GetValueOrDefault();
            oVendor.Status = (EnumStatus) oReader.GetUInt32("Status").GetValueOrDefault();
            oVendor.CreatedBy = oReader.GetID("CreatedBy");
            oVendor.CreatedDate = oReader.GetDateTime("CreatedDate").GetValueOrDefault(DateTime.MinValue);
            oVendor.ModifiedBy = oReader.GetID("ModifiedBy");
            oVendor.ModifiedDate = oReader.GetDateTime("ModifiedDate").GetValueOrDefault(DateTime.MinValue);

            this.SetObjectState(oVendor, Ease.CoreV35.ObjectState.Saved);

        }

        protected override T CreateObject<T>(DataReader dr)
        {
            Vendor oVendor = new Vendor();
            MapObject(oVendor, dr);
            return oVendor as T;
        }

        #endregion

        #region Implementation of IVendorService

        public Vendor Get(ID id)
        {
            Vendor oVendor = new Vendor();

            #region Cache Header
            oVendor = _cache["Get", id] as Vendor;
            if (oVendor != null)
                return oVendor;
            #endregion

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(VendorDA.Get(tc, id));
                if (oreader.Read())
                {
                    oVendor = CreateObject<Vendor>(oreader);
                }
                oreader.Close();

            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
            finally
            {
                tc.End();
            }

            #region Cache Footer
            _cache.Add(oVendor, "Get", id);
            #endregion

            return oVendor;
        }

        public ObjectsTemplate<Vendor> Get()
        {
            ObjectsTemplate<Vendor> vendors = new ObjectsTemplate<Vendor>();

            #region Cache Header
            vendors = _cache["Get"] as ObjectsTemplate<Vendor>;
            if (vendors != null)
                return vendors;
            #endregion

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(VendorDA.Get(tc));
                vendors = CreateObjects<Vendor>(oreader);

                oreader.Close();

            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
            finally
            {
                tc.End();
            }

            #region Cache Footer
            _cache.Add(vendors, "Get");
            #endregion

            return vendors;
        }

        public ObjectsTemplate<Vendor> Get(EnumVendorType vendorType)
        {
            ObjectsTemplate<Vendor> vendors = new ObjectsTemplate<Vendor>();

            #region Cache Header
            vendors = _cache["Get"] as ObjectsTemplate<Vendor>;
            if (vendors != null)
                return vendors;
            #endregion

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(VendorDA.Get(tc,vendorType));
                vendors = CreateObjects<Vendor>(oreader);

                oreader.Close();

            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
            finally
            {
                tc.End();
            }

            #region Cache Footer
            _cache.Add(vendors, "Get");
            #endregion

            return vendors;
        }

        public ObjectsTemplate<Vendor> Get(EnumStatus status)
        {
            ObjectsTemplate<Vendor> vendors = new ObjectsTemplate<Vendor>();

            #region Cache Header
            vendors = _cache["Get"] as ObjectsTemplate<Vendor>;
            if (vendors != null)
                return vendors;
            #endregion

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(VendorDA.Get(tc, status));
                vendors = CreateObjects<Vendor>(oreader);

                oreader.Close();

            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
            finally
            {
                tc.End();
            }

            #region Cache Footer
            _cache.Add(vendors, "Get");
            #endregion

            return vendors;
        }

        public ObjectsTemplate<Vendor> Get(string subStr)
        {
            ObjectsTemplate<Vendor> vendors = new ObjectsTemplate<Vendor>();

            #region Cache Header
            vendors = _cache["Get"] as ObjectsTemplate<Vendor>;
            if (vendors != null)
                return vendors;
            #endregion

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(VendorDA.Get(tc, subStr));
                vendors = CreateObjects<Vendor>(oreader);

                oreader.Close();

            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
            finally
            {
                tc.End();
            }

            #region Cache Footer
            _cache.Add(vendors, "Get");
            #endregion

            return vendors;
        }

        public ID Save(Vendor oVendor)
        {
            TransactionContext tc = null;
            try
            {
               
                tc = TransactionContext.Begin(true);
                if (oVendor.IsNew)
                {

                    int id = tc.GenerateID("Vendor", "VendorID");
                    base.SetObjectID(oVendor, ID.FromInteger(id));

                    VendorDA.Insert(tc, oVendor);

                }
                else
                {
                    VendorDA.Update(tc, oVendor);
                }

                return oVendor.ID;
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
            finally
            {
                tc.End();
            }
        }

        public void Delete(ID id)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);

                VendorDA.Delete(tc, id);

            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
            finally
            {
                tc.End();
            }
        }

       

        #endregion
    }
}