using Ease.Core.DataAccess;
using Ease.Core.Model;
using Ease.Core.Utility;
using System;
using System.Collections.Generic;
using HRM.BO;

namespace HRM.DA
{
    public class PayScaleService : ServiceTemplate, IPayScaleService
    {
        public PayScaleService()
        {
        }

        private void MapObject(PayScale oPayScale, DataReader oReader)
        {
            base.SetObjectID(oPayScale, oReader.GetInt32("PAYSCALEID").Value);
            oPayScale.GradeID = oReader.GetInt32("GradeID", 0);
            oPayScale.ItemID = oReader.GetInt32("ALLOWANCEID").Value;
            oPayScale.InitialAmount = oReader.GetDouble("INITIALAMOUNT").Value;
            oPayScale.IncPercentage = oReader.GetDouble("PercentageInc").Value;
            oPayScale.NoOfStep = oReader.GetInt32("NOOFSLABS").Value;
            oPayScale.EffectDate = oReader.GetDateTime("EffectDate").Value;
            oPayScale.ItemType = (EnumPayScaleItemType)oReader.GetInt32("Type").Value;
            this.SetObjectState(oPayScale, Ease.Core.ObjectState.Saved);
        }

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

        #region Service implementation

        public PayScale Get(int id)
        {
            PayScale oPayScale = null;

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(PayScaleDA.Get(tc, id));
                if (oreader.Read())
                {
                    oPayScale = this.CreateObject<PayScale>(oreader);
                    oPayScale.PayscaleDetails = (new PayScaleDetailService()).GetByPayScale(tc, oPayScale.ID);
                }

                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
            }

            return oPayScale;
        }

        public PayScale Get(int nGradeID, int nAllowID, DateTime nextPayProcessDate)
        {
            PayScale oPayScale = null;

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(PayScaleDA.Get(tc, nGradeID, nAllowID, nextPayProcessDate));
                if (oreader.Read())
                {
                    oPayScale = this.CreateObject<PayScale>(oreader);
                    oPayScale.PayscaleDetails = (new PayScaleDetailService()).GetByPayScale(tc, oPayScale.ID);
                }

                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
            }

            return oPayScale;
        }

        public PayScale GetByGrade(int nGradeID)
        {
            PayScale oPayScale = null;

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(PayScaleDA.GetByGrade(tc, nGradeID));
                if (oreader.Read())
                {
                    oPayScale = this.CreateObject<PayScale>(oreader);
                    oPayScale.PayscaleDetails = (new PayScaleDetailService()).GetByPayScale(tc, oPayScale.ID);
                }

                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
            }

            return oPayScale;
        }

        public DateTime? GetMaxEffectDate(int payrollTypeID)
        {
            TransactionContext tc = null;
            DateTime? dMaxEffectDate = DateTime.MinValue;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(PayScaleDA.GetMaxEffectDate(tc, payrollTypeID));
                if (oreader.Read())
                {
                    dMaxEffectDate = oreader.GetDateTime(0);
                }

                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
            }

            return dMaxEffectDate;
        }

        public List<PayScale> GetByAllowance(int nAllowID)
        {
            List<PayScale> payScales = new List<PayScale>();

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

                DataReader dr = new DataReader(PayScaleDA.GetByAllowance(tc, nAllowID));
                payScales = this.CreateObjects<PayScale>(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
            }

            return payScales;
        }

        public List<PayScale> Get()
        {
            List<PayScale> payScales = new List<PayScale>();

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

                DataReader dr = new DataReader(PayScaleDA.Get(tc));
                payScales = this.CreateObjects<PayScale>(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
            }


            return payScales;
        }

        public List<PayScale> GetLatest(int payrollTypeID)
        {
            List<PayScale> payScales = new List<PayScale>();

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

                DataReader dr = new DataReader(PayScaleDA.GetLatest(tc, payrollTypeID));
                payScales = this.CreateObjects<PayScale>(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
            }

            return payScales;
        }

        public int Save(PayScale oPayScale)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                if (oPayScale.IsNew)
                {
                    int id = tc.GenerateID("PayScale", "PAYSCALEID");
                    base.SetObjectID(oPayScale, id);
                    PayScaleDA.Insert(tc, oPayScale);
                }
                else
                {
                    PayScaleDA.Update(tc, oPayScale);
                    PayScaleDetailDA.DeleteByPayScaleID(tc, oPayScale.ID);
                }

                foreach (PayScaleDetail detail in oPayScale.PayscaleDetails)
                {
                    detail.PayscaleID = oPayScale.ID;
                    int id = tc.GenerateID("PAYSCALEITEM", "PAYSCALEITEMID");
                    base.SetObjectID(detail, id);
                    detail.GradeID = oPayScale.GradeID;
                    detail.AllowanceID = oPayScale.ItemID;
                    PayScaleDetailDA.Insert(tc, detail);
                }

                tc.End();
                return oPayScale.ID;
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);

                #endregion
            }
        }

        public int Save(TransactionContext tc, PayScale oPayScale)
        {
            try
            {
                if (oPayScale.IsNew)
                {
                    int id = tc.GenerateID("PayScale", "PAYSCALEID");
                    base.SetObjectID(oPayScale, id);
                    PayScaleDA.Insert(tc, oPayScale);
                }
                else
                {
                    PayScaleDA.Update(tc, oPayScale);
                    PayScaleDetailDA.DeleteByPayScaleID(tc, oPayScale.ID);
                }

                foreach (PayScaleDetail detail in oPayScale.PayscaleDetails)
                {
                    detail.PayscaleID = oPayScale.ID;
                    int id = tc.GenerateID("PAYSCALEITEM", "PAYSCALEITEMID");
                    base.SetObjectID(detail, id);
                    detail.GradeID = oPayScale.GradeID;
                    detail.AllowanceID = oPayScale.ItemID;
                    PayScaleDetailDA.Insert(tc, detail);
                }

                return oPayScale.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(int id)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                PayScaleDA.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 void Save(List<PayScale> newPayscale)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);

                foreach (PayScale scale in newPayscale)
                {
                    this.Save(tc, scale);
                }

                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);

                #endregion
            }
        }

        public void DeleteByGradeID(int id)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                PayScaleDA.DeleteByGrade(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
    }
}