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
{
    [Serializable]
    public class CapitalizationService : ServiceTemplate, ICapitalizationService
    {
        #region Private functions and declaration
        Cache _cache = new Cache(typeof(Capitalization));

        #endregion
        public CapitalizationService() { }

        private void MapObject(Capitalization oCapitalization, DataReader oReader)
        {
            base.SetObjectID(oCapitalization, oReader.GetID("CapitalizationID"));
            oCapitalization.SalaryMonth = oReader.GetDateTime("SalaryMonth").Value;
            oCapitalization.DepartmentID = oReader.GetID("DepartmentID");
            oCapitalization.Percent = oReader.GetDouble("Percentage").Value;
            oCapitalization.CreatedBy = oReader.GetID("CreatedBy");
            oCapitalization.CreatedDate = oReader.GetDateTime("CreationDate").Value;
            oCapitalization.ModifiedBy = oReader.GetID("ModifiedBy");
            oCapitalization.ModifiedDate = oReader.GetDateTime("ModifiedDate");
            this.SetObjectState(oCapitalization, Ease.CoreV35.ObjectState.Saved);
        }
        protected override T CreateObject<T>(DataReader oReader)
        {
            Capitalization oCapitalization = new Capitalization();
            MapObject(oCapitalization, oReader);
            return oCapitalization as T;
        }
        protected Capitalization CreateObject(DataReader oReader)
        {
            Capitalization oCapitalization = new Capitalization();
            MapObject(oCapitalization, oReader);
            return oCapitalization;
        }

        #region Service implementation


        public Capitalization Get(ID id, DateTime salaryMonth)
        {
            Capitalization oCapitalization = new Capitalization();
            #region Cache Header
            oCapitalization = _cache["Get", id] as Capitalization;
            if (oCapitalization != null)
                return oCapitalization;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(CapitalizationDA.Get(tc, id));
                if (oreader.Read())
                {
                    oCapitalization = this.CreateObject<Capitalization>(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(oCapitalization, "Get", id);
            #endregion
            return oCapitalization;
        }

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

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

            #endregion

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

                DataReader dr = new DataReader(CapitalizationDA.Get(tc));
                oCapitalizations = this.CreateObjects<Capitalization>(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(oCapitalizations, "Get");

            #endregion

            return oCapitalizations;
        }


        public ObjectsTemplate<Capitalization> Get(ID departmentID)
        {
            #region Cache Header

            ObjectsTemplate<Capitalization> oCapitalizations = _cache["Get", departmentID] as ObjectsTemplate<Capitalization>;
            if (oCapitalizations != null)
                return oCapitalizations;

            #endregion

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

                DataReader dr = new DataReader(CapitalizationDA.Get(tc, departmentID));
                oCapitalizations = this.CreateObjects<Capitalization>(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(oCapitalizations, "Get", departmentID);

            #endregion

            return oCapitalizations;
        }

        public ObjectsTemplate<Capitalization> Get(DateTime salaryMonth)
        {
            #region Cache Header

            ObjectsTemplate<Capitalization> oCapitalizations = _cache["Get", salaryMonth] as ObjectsTemplate<Capitalization>;
            if (oCapitalizations != null)
                return oCapitalizations;

            #endregion

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

                DataReader dr = new DataReader(CapitalizationDA.Get(tc, salaryMonth));
                oCapitalizations = this.CreateObjects<Capitalization>(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(oCapitalizations, "Get", salaryMonth);

            #endregion

            return oCapitalizations;
        }

        public DateTime? GetMaxDate()
        {
            TransactionContext tc = null;
            DateTime? maxDate = null;
            try
            {
                tc = TransactionContext.Begin(true);
                DataReader dr = new DataReader(CapitalizationDA.GetMaxDate(tc));
                if (dr.Read())
                {
                    maxDate = dr.GetDateTime("MaximumSalaryMonth") == null ? DateTime.MinValue : dr.GetDateTime("MaximumSalaryMonth");
                }
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);

                throw new ServiceException(e.Message, e);

                #endregion
            }

            return maxDate;
        }

        public void Save(ObjectsTemplate<Capitalization> oCapitalizations)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                int id = tc.GenerateID("Capitalization", "CapitalizationID");
                foreach (Capitalization capital in oCapitalizations)
                {

                    base.SetObjectID(capital, ID.FromInteger(id));
                    if (CapitalizationDA.IsExist(tc, capital.DepartmentID, capital.SalaryMonth))
                    {
                        CapitalizationDA.Delete(tc, capital.DepartmentID);
                        //capital.ModifiedBy = User.CurrentUser.ID;
                        //capital.ModifiedDate = DateTime.Today;
                        CapitalizationDA.Insert(tc, capital);
                    }
                    else
                    {
                        CapitalizationDA.Insert(tc, capital);

                    }
                    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 Delete(ID deptID)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                CapitalizationDA.Delete(tc, deptID);
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
        }

        #endregion
    }
}