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

        public OpiItemService() { }

        private void MapObject(OpiItem oOpiItem, DataReader oReader)
        {
            base.SetObjectID(oOpiItem, oReader.GetID("OpiItemID"));
            oOpiItem.Code = oReader.GetString("Code");
            oOpiItem.Name = oReader.GetString("Name");
            oOpiItem.OpiType = (EnumOpiType)oReader.GetInt32("OpiType").Value;
            oOpiItem.Sequence = oReader.GetInt32("SequenceNO").HasValue ? oReader.GetInt32("SequenceNo").Value : 0;
            oOpiItem.Status = (EnumStatus)oReader.GetInt32("Status").Value;
            oOpiItem.CreatedBy = oReader.GetID("CreatedBy");
            oOpiItem.CreatedDate = oReader.GetDateTime("CreationDate").Value;
            oOpiItem.ModifiedBy = oReader.GetID("ModifiedBy");
            oOpiItem.ModifiedDate = oReader.GetDateTime("ModifiedDate");
            this.SetObjectState(oOpiItem, Ease.CoreV35.ObjectState.Saved);
        }
        protected override T CreateObject<T>(DataReader oReader)
        {
            OpiItem oOpiItem = new OpiItem();
            MapObject(oOpiItem, oReader);
            return oOpiItem as T;
        }
        protected OpiItem CreateObject(DataReader oReader)
        {
            OpiItem oOpiItem = new OpiItem();
            MapObject(oOpiItem, oReader);
            return oOpiItem;
        }
        #endregion

        #region Service implementation
        public OpiItem Get(ID id)
        {
            OpiItem oOpiItem = new OpiItem();
            #region Cache Header
            oOpiItem = (OpiItem)_cache["Get", id] as OpiItem;
            if (oOpiItem != null)
                return oOpiItem;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oReader = new DataReader(OpiItemDA.Get(tc, id));
                if (oReader.Read())
                {
                    oOpiItem = this.CreateObject(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(oOpiItem, "Get", id);
            #endregion
            return oOpiItem;
        }

        public string GetNextCode()
        {
            TransactionContext tc = null;
            string _code = "";
            try
            {
                tc = TransactionContext.Begin();
                _code = GlobalFunctionService.GetMaxCode(tc, "opiprovisionitem", "codeautogenerate", "OpiItem", "Code");
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
            return _code;
        }
        public ObjectsTemplate<OpiItem> Get()
        {
            #region Cache Header
            ObjectsTemplate<OpiItem> oOpiItems = _cache["Get"] as ObjectsTemplate<OpiItem>;
            if (oOpiItems != null)
                return oOpiItems;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(OpiItemDA.Get(tc));
                oOpiItems = this.CreateObjects<OpiItem>(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(oOpiItems, "Get");
            #endregion
            return oOpiItems;
        }
        public ObjectsTemplate<OpiItem> Get(EnumStatus status)
        {
            #region Cache Header

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

            #endregion

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

                DataReader dr = new DataReader(OpiItemDA.Get(tc, status));
                opiitems = this.CreateObjects<OpiItem>(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(opiitems, "Get", status);

            #endregion

            return opiitems;
        }
        public ObjectsTemplate<OpiItem> Get(string opiID)
        {
            throw new NotImplementedException();
        }

        public ObjectsTemplate<OpiItem> Get(EnumOpiType opiType, EnumStatus status)
        {
            #region Cache Header

            ObjectsTemplate<OpiItem> opiitems = _cache["Get", opiType, status] as ObjectsTemplate<OpiItem>;
            if (opiitems != null)
                return opiitems;

            #endregion

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

                DataReader dr = new DataReader(OpiItemDA.Get(tc, opiType, status));
                opiitems = this.CreateObjects<OpiItem>(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(opiitems, "Get", opiType, status);

            #endregion

            return opiitems;
        }
        public ID Save(OpiItem oOpiItem)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                if (oOpiItem.IsNew)
                {
                    int id = tc.GenerateID("OpiItem", "OpiItemID");
                    base.SetObjectID(oOpiItem, ID.FromInteger(id));

                    int seqNo = tc.GenerateID("OpiItem", "SequenceNo");
                    oOpiItem.Sequence = seqNo;

                    OpiItemDA.Insert(tc, oOpiItem);
                }
                else
                {
                    OpiItemDA.Update(tc, oOpiItem);
                }
                tc.End();
                return oOpiItem.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);
                OpiItemDA.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

        #region IOpiItemService Members


        
        #endregion
    }
    #endregion
}