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


namespace Payroll.Service
{
    [Serializable]
    class BudgetComponentService : ServiceTemplate, IBudgetComponentService
    {
        #region Private functions and declaration
        Cache _cache = new Cache(typeof(BudgetComponent));
        #endregion

        #region Object Mapping

        #region Parent Object Mapping
        private void MapObject(BudgetComponent oBudgetComponent, DataReader oReader)
        {
            SetObjectID(oBudgetComponent, oReader.GetID("BudgetComponentID"));
            oBudgetComponent.BasedOn = (EnumBasedOnPercent)oReader.GetInt32("BasedOn").Value;
            oBudgetComponent.BudgetID = oReader.GetID("BudgetID");
            oBudgetComponent.ComponentType =(EnumBudgetComponent) oReader.GetInt32("ComponentType").Value;
            oBudgetComponent.FlatAmount = oReader.GetDouble("FlatAmount").Value;
            oBudgetComponent.Name = oReader.GetString("Name");
            oBudgetComponent.OriginID = oReader.GetID("OriginID");
            oBudgetComponent.ParameterID = oReader.GetID("ParameterID");
            oBudgetComponent.Percentage = oReader.GetDouble("Percentage").Value;
            oBudgetComponent.Periodicity = oReader.GetDouble("Periodicity").Value;
            oBudgetComponent.Taxable = oReader.GetBoolean("Taxable").Value;
            oBudgetComponent.PayrollTypeID = oReader.GetID("PayrollTypeID");
            oBudgetComponent.IndivisuallyDefined = oReader.GetBoolean("IndivisuallyDefined").Value;
            SetObjectState(oBudgetComponent, ObjectState.Saved);
            oBudgetComponent.OBudgetComponentIndivisuals = new ObjectsTemplate<BudgetComponentIndivisual>();
            oBudgetComponent.OBudgetComponentGrades = new ObjectsTemplate<BudgetComponentGrade>();
            oBudgetComponent.OBudgetComponentIndivisuals = GetBudgetComponentIndivisuals(oBudgetComponent.ID);
            oBudgetComponent.OBudgetComponentGrades = GetBudgetComponentGrades(oBudgetComponent.ID);
        }

        protected override T CreateObject<T>(DataReader dr)
        {
            BudgetComponent oBudgetComponent = new BudgetComponent();
            MapObject(oBudgetComponent, dr);
            return oBudgetComponent as T;
        }
        #endregion

        #region Child Object Mapping

        #region BudgetComponentIndivisual Mapping

        private void MapBudgetComponentIndivisual(BudgetComponentIndivisual oBudgetComponentIndivisual, DataReader oReader)
        {
            SetObjectID(oBudgetComponentIndivisual, oReader.GetID("BudgetComponentIndivisualID"));
            oBudgetComponentIndivisual.Amount = oReader.GetDouble("Amount").Value;
            oBudgetComponentIndivisual.BudgetComponentID = oReader.GetID("BudgetComponentID");
            oBudgetComponentIndivisual.DetailType = (EnumADEmpType)oReader.GetInt32("DetailType").Value;
            oBudgetComponentIndivisual.EmployeeID = oReader.GetID("EmployeeID");
            oBudgetComponentIndivisual.FromDate = oReader.GetDateTime("FromDate").GetValueOrDefault();
            oBudgetComponentIndivisual.ToDate = oReader.GetDateTime("ToDate").GetValueOrDefault();
            oBudgetComponentIndivisual.ValueType = (EnumValueType)oReader.GetInt32("ValueType").Value;
            this.SetObjectState(oBudgetComponentIndivisual, ObjectState.Saved);
        }

        private BudgetComponentIndivisual CreateBudgetComponentIndivisualObject(DataReader oReader)
        {
            BudgetComponentIndivisual oBudgetComponentIndivisual = new BudgetComponentIndivisual();
            MapBudgetComponentIndivisual(oBudgetComponentIndivisual, oReader);
            return oBudgetComponentIndivisual;
        }

        protected ObjectsTemplate<BudgetComponentIndivisual> CreateBudgetComponentIndivisualObjects(DataReader oReader)
        {
            ObjectsTemplate<BudgetComponentIndivisual> oBudgetComponentIndivisuals = new ObjectsTemplate<BudgetComponentIndivisual>();
            while (oReader.Read())
            {
                BudgetComponentIndivisual item = CreateBudgetComponentIndivisualObject(oReader);
                oBudgetComponentIndivisuals.Add(item);
            }
            return oBudgetComponentIndivisuals;
        }
        #endregion

        #region BudgetComponentGrade Mapping

        private void MapBudgetComponentGrade(BudgetComponentGrade oBudgetComponentGrade, DataReader oReader)
        {
            SetObjectID(oBudgetComponentGrade, oReader.GetID("BudgetComponentGradeID"));
            oBudgetComponentGrade.BudgetComponentID = oReader.GetID("BudgetComponentID");
            oBudgetComponentGrade.GradeID = oReader.GetID("GradeID");
           this.SetObjectState(oBudgetComponentGrade, ObjectState.Saved);
        }

        private BudgetComponentGrade CreateBudgetComponentGradeObject(DataReader oReader)
        {
            BudgetComponentGrade oBudgetComponentGrade = new BudgetComponentGrade();
            MapBudgetComponentGrade(oBudgetComponentGrade, oReader);
            return oBudgetComponentGrade;
        }

        protected ObjectsTemplate<BudgetComponentGrade> CreateBudgetComponentGradeObjects(DataReader oReader)
        {
            ObjectsTemplate<BudgetComponentGrade> oBudgetComponentGrades = new ObjectsTemplate<BudgetComponentGrade>();
            while (oReader.Read())
            {
                BudgetComponentGrade item = CreateBudgetComponentGradeObject(oReader);
                oBudgetComponentGrades.Add(item);
            }
            return oBudgetComponentGrades;
        }
        #endregion

        #endregion

        #endregion

        #region Service Implementation 

        #region Parent's Service Implementation

        public BudgetComponent Get(ID nID)
        {
            BudgetComponent oBudgetComponent = new BudgetComponent();

            #region Cache Header
            oBudgetComponent = _cache["Get", nID] as BudgetComponent;
            if (oBudgetComponent != null)
                return oBudgetComponent;
            #endregion

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(BudgetComponentDA.Get(tc, nID));
                if (oreader.Read())
                {
                    oBudgetComponent = CreateObject<BudgetComponent>(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(oBudgetComponent, "Get", nID);
            #endregion

            return oBudgetComponent;
        }

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

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

            #endregion

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(BudgetComponentDA.Get(tc));
                // if (oreader.Read())
                //{
                oBudgetComponents = this.CreateObjects<BudgetComponent>(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(oBudgetComponents, "Get");

            #endregion

            return oBudgetComponents;
        }
        public ObjectsTemplate<BudgetComponent> Get(int BudgetID)
        {
            #region Cache Header

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

            #endregion

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(BudgetComponentDA.Get(tc,BudgetID));
                // if (oreader.Read())
                //{
                oBudgetComponents = this.CreateObjects<BudgetComponent>(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(oBudgetComponents, "Get");

            #endregion

            return oBudgetComponents;
        }

        public ID Save(BudgetComponent item)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                if (item.IsNew)
                {
                    int id = tc.GenerateID("BudgetComponent", "BudgetComponentID");
                    SetObjectID(item, ID.FromInteger(id));
                    BudgetComponentDA.Insert(tc, item);
                }
                else
                {
                    BudgetComponentDA.Update(tc, item);

                    #region delete childrern
                    BudgetComponentDA.Delete(tc, "BudgetComponentIndivisual", "BudgetComponentID", item.ID);
                    BudgetComponentDA.Delete(tc, "BudgetComponentGrade", "BudgetComponentID", item.ID);
                    #endregion
                }

                #region Insert Children

                #region BudgetComponentIndivisual
                foreach (BudgetComponentIndivisual oBudgetComponentIndivisual in item.OBudgetComponentIndivisuals)
                {
                    oBudgetComponentIndivisual.BudgetComponentID = item.ID;
                    this.SetObjectID(oBudgetComponentIndivisual, ID.FromInteger(tc.GenerateID("BudgetComponentIndivisual", "BudgetComponentIndivisualID")));
                    BudgetComponentDA.Insert(tc, oBudgetComponentIndivisual);
                }
                #endregion

                #region BudgetComponentGrade
                foreach (BudgetComponentGrade oBudgetComponentGrade in item.OBudgetComponentGrades)
                {
                    oBudgetComponentGrade.BudgetComponentID = item.ID;
                    this.SetObjectID(oBudgetComponentGrade, ID.FromInteger(tc.GenerateID("BudgetComponentGrade", "BudgetComponentGradeID")));
                    BudgetComponentDA.Insert(tc, oBudgetComponentGrade);
                }
                #endregion

                #endregion

                tc.End();

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

        }

        public ID Save(BudgetComponent item,TransactionContext tc)
        {            
            try
            {                
            
                int id = tc.GenerateID("BudgetComponent", "BudgetComponentID");
                SetObjectID(item, ID.FromInteger(id));
                item.PayrollTypeID = Payroll.BO.SystemInformation.CurrentSysInfo.PayrollTypeID;
                BudgetComponentDA.Insert(tc, item);
               
                #region Insert Children

                #region BudgetComponentIndivisual
                foreach (BudgetComponentIndivisual oBudgetComponentIndivisual in item.OBudgetComponentIndivisuals)
                {
                    oBudgetComponentIndivisual.BudgetComponentID = item.ID;
                    this.SetObjectID(oBudgetComponentIndivisual, ID.FromInteger(tc.GenerateID("BudgetComponentIndivisual", "BudgetComponentIndivisualID")));
                    BudgetComponentDA.Insert(tc, oBudgetComponentIndivisual);
                }
                #endregion

                #region BudgetComponentGrade
                foreach (BudgetComponentGrade oBudgetComponentGrade in item.OBudgetComponentGrades)
                {
                    oBudgetComponentGrade.BudgetComponentID = item.ID;
                    this.SetObjectID(oBudgetComponentGrade, ID.FromInteger(tc.GenerateID("BudgetComponentGrade", "BudgetComponentGradeID")));
                    BudgetComponentDA.Insert(tc, oBudgetComponentGrade);
                }
                #endregion

                #endregion
               

                return item.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 nID)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);


                #region delete childrern
                BudgetComponentDA.Delete(tc, "BudgetComponentIndivisual", "BudgetComponentID", nID);
                BudgetComponentDA.Delete(tc, "BudgetComponentGrade", "BudgetComponentID", nID);
                #endregion

                BudgetComponentDA.Delete(tc, nID);
                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 Child's Service Implementation

        public ObjectsTemplate<BudgetComponentIndivisual> GetBudgetComponentIndivisuals(ID id)
        {
            #region Cache Header

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

            #endregion

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(BudgetComponentDA.GetBudgetComponentIndivisuals(tc,id));
                // if (oreader.Read())
                //{
                oBudgetComponentIndivisuals = this.CreateBudgetComponentIndivisualObjects(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(oBudgetComponentIndivisuals, "Get");

            #endregion

            return oBudgetComponentIndivisuals;
        }

        public ObjectsTemplate<BudgetComponentGrade> GetBudgetComponentGrades(ID id)
        {
            #region Cache Header

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

            #endregion

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(BudgetComponentDA.GetBudgetComponentGrades(tc,id));
                // if (oreader.Read())
                //{
                oBudgetComponentGrades = this.CreateBudgetComponentGradeObjects(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(oBudgetComponentGrades, "Get");

            #endregion

            return oBudgetComponentGrades;
        }
        #endregion

        #endregion
    }
}