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 Grade Service
    [Serializable]
    public class GradeService : ServiceTemplate, IGradeService
    {
        #region Private functions and declaration
        Cache _cache = new Cache(typeof(Grade));
        #endregion

        public GradeService() { }

        private void MapObject(Grade oGrade, DataReader oReader)
        {
            base.SetObjectID(oGrade, oReader.GetID("GradeID"));
            oGrade.Code = oReader.GetString("code");
            oGrade.Name = oReader.GetString("description");
            oGrade.ColorCode = oReader.GetString("ColorCode");
            oGrade.MaxBasic = oReader.GetInt32("maxbasic").Value;
            oGrade.MinBasic = oReader.GetInt32("minbasic").Value;
            oGrade.IsTransport = oReader.GetBoolean("isfreetransport").Value;
            oGrade.HasGrossConcept = oReader.GetBoolean("hasGrossConcept").Value;
            oGrade.BasicPercentofGross = oReader.GetDouble("basicPercentofGross").Value;
            oGrade.HasPayscale = oReader.GetBoolean("hasPayscale").Value;
            oGrade.ConfirmMonthDuration = oReader.GetInt32("confirmMonthDuration").Value;
            oGrade.GradeSegmentID = oReader.GetID("gradeSegmentID");
            oGrade.RequiredDays = oReader.GetInt32("RequiredDays").Value;
            oGrade.Sequence = oReader.GetInt32("SequenceNo").Value;
            oGrade.Status = (EnumStatus)oReader.GetInt32("Status").Value;
            oGrade.CreatedBy = oReader.GetID("CreatedBy");
            oGrade.CreatedDate = oReader.GetDateTime("CreationDate").Value;
            oGrade.ModifiedBy = oReader.GetID("ModifiedBy");
            oGrade.ModifiedDate = oReader.GetDateTime("ModifiedDate");
            oGrade.PayrollTypeID = oReader.GetID("PAYROLLTYPEID");
            this.SetObjectState(oGrade, Ease.CoreV35.ObjectState.Saved);
        }
        protected override T CreateObject<T>(DataReader oReader)
        {
            Grade oGrade = new Grade();
            MapObject(oGrade, oReader);
            return oGrade as T;
        }
        protected Grade CreateObject(DataReader oReader)
        {
            Grade oGrade = new Grade();
            MapObject(oGrade, oReader);
            return oGrade;
        }

        #region Service implementation
        public Grade Get(ID id)
        {
            Grade oGrade = new Grade();
            #region Cache Header
            oGrade = _cache["Get", id] as Grade;
            if (oGrade != null)
                return oGrade;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(GradeDA.Get(tc, id));
                if (oreader.Read())
                {
                    oGrade = this.CreateObject<Grade>(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(oGrade, "Get", id);
            #endregion
            return oGrade;
        }

        public ObjectsTemplate<Grade> GetAllPayrollTypes(EnumStatus status)
        {
            #region Cache Header

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

            #endregion

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

                DataReader dr = new DataReader(GradeDA.GetAllPayrollTypes(tc, status));
                grades = this.CreateObjects<Grade>(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(grades, "Get", status);

            #endregion

            return grades;
        }
        public string GetNextCode()
        {
            TransactionContext tc = null;
            string _code = "";
            try
            {
                tc = TransactionContext.Begin();
                _code = GlobalFunctionService.GetMaxCode(tc, "empgrade", "codeautogenerate", "GRADES", "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 Grade Get(string sCode, int payrollTypeID)
        {
            Grade oGrade = new Grade();
            #region Cache Header
            oGrade = _cache["Get", sCode] as Grade;
            if (oGrade != null)
                return oGrade;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(GradeDA.Get(tc, sCode, payrollTypeID));
                if (oreader.Read())
                {
                    oGrade = this.CreateObject<Grade>(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(oGrade, "Get", sCode);
            #endregion
            return oGrade;
        }


        public ObjectsTemplate<Grade> GetRegardlessPayrollType(EnumStatus status, int payrollTypeID)
        {
            #region Cache Header

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

            #endregion

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

                DataReader dr = new DataReader(GradeDA.GetRegardlessPayrollType(tc, status, payrollTypeID));
                grades = this.CreateObjects<Grade>(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(grades, "Get",status);

            #endregion

            return grades;
        }
        public ObjectsTemplate<Grade> Get(EnumStatus status, int payrollTypeID)
        {
            #region Cache Header

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

            #endregion

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

                DataReader dr = new DataReader(GradeDA.Get(tc, status, payrollTypeID));
                grades = this.CreateObjects<Grade>(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(grades, "Get",status);

            #endregion

            return grades;
        }

        public ObjectsTemplate<Grade> GetAddableGrades(ID nAllowDeductID, ID nADParamID, int payrollTypeID)
        {
            #region Cache Header

            ObjectsTemplate<Grade> grades = _cache["Get", nAllowDeductID, nADParamID] as ObjectsTemplate<Grade>;
            if (grades != null)
                return grades;

            #endregion

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader dr = null;
                if (nADParamID.IsUnassigned)
                {
                    dr = new DataReader(GradeDA.GetAddableGrades(tc, nAllowDeductID.Integer, 0, payrollTypeID));
                }
                else
                {
                    dr = new DataReader(GradeDA.GetAddableGrades(tc, nAllowDeductID.Integer, nADParamID.Integer, payrollTypeID));
                }
                grades = this.CreateObjects<Grade>(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(grades, "Get", nAllowDeductID, nADParamID);

            #endregion

            return grades;
        }

        public ObjectsTemplate<Grade> GetAddableGradesForLoanParameter(ID LoaniD, ID LoanParameterId, int payrollTypeID)
        {
            #region Cache Header

            ObjectsTemplate<Grade> grades = _cache["Get", LoaniD] as ObjectsTemplate<Grade>;
            if (grades != null)
                return grades;

            #endregion

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader dr = null;
                if (LoanParameterId.IsUnassigned)
                {
                    dr = new DataReader(GradeDA.GetAddableGradesForLoanParameter(tc, LoaniD.Integer,0, payrollTypeID));
                }
                else
                {
                dr = new DataReader(GradeDA.GetAddableGradesForLoanParameter(tc, LoaniD.Integer,LoanParameterId.Integer, payrollTypeID));
                }
                grades = this.CreateObjects<Grade>(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(grades, "Get", LoaniD);

            #endregion

            return grades;
        }

        public ObjectsTemplate<Grade> GetAddableGradesForOT(ID nTermID, ID nTermParameterID, int payrollTypeID)
        {
            #region Cache Header

            ObjectsTemplate<Grade> grades = _cache["Get", nTermID, nTermParameterID] as ObjectsTemplate<Grade>;
            if (grades != null)
                return grades;

            #endregion

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader dr = null;
                if (nTermParameterID.IsUnassigned)
                {
                    dr = new DataReader(GradeDA.GetAddableGradesForOT(tc, nTermID.Integer, 0, payrollTypeID));
                }
                else
                {
                    dr = new DataReader(GradeDA.GetAddableGradesForOT(tc, nTermID.Integer, nTermParameterID.Integer, payrollTypeID));
                }
                grades = this.CreateObjects<Grade>(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(grades, "Get", nTermID, nTermParameterID);

            #endregion

            return grades;
        }

        public ObjectsTemplate<Grade> GetAddableGradesForBonus(ID nBonusID, int payrollTypeID)
        {
            #region Cache Header

            ObjectsTemplate<Grade> grades = _cache["Get", nBonusID] as ObjectsTemplate<Grade>;
            if (grades != null)
                return grades;

            #endregion

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader dr = null;
                if (nBonusID.IsUnassigned)
                {
                    dr = new DataReader(GradeDA.GetAddableGradesForBonus(tc,0, payrollTypeID));
                }
                else
                {
                    dr = new DataReader(GradeDA.GetAddableGradesForBonus(tc, nBonusID.Integer, payrollTypeID));
                }
                grades = this.CreateObjects<Grade>(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(grades, "Get", nBonusID);

            #endregion

            return grades;
        }

        public ID Save(Grade oGrade)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                if (oGrade.IsNew)
                {
                    int id = tc.GenerateID("GRADES", "GRADEID");
                    base.SetObjectID(oGrade, ID.FromInteger(id));
                    GradeDA.Insert(tc, oGrade);
                }
                else
                {
                    GradeDA.Update(tc, oGrade);
                }
                tc.End();
                return oGrade.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);
                GradeDA.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 ObjectsTemplate<Grade> GetAllowableGrades(ID nOpiItmeID, ID nOpiParamID, int payrollTypeID)
        {
            #region Cache Header

            ObjectsTemplate<Grade> grades = _cache["GetAllowableGrades", nOpiItmeID, nOpiParamID] as ObjectsTemplate<Grade>;
            if (grades != null)
                return grades;

            #endregion

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader dr = null;
                if (nOpiParamID.IsUnassigned)
                {
                    dr = new DataReader(GradeDA.GetAllowableGrades(tc, nOpiItmeID.Integer, 0, payrollTypeID));
                }
                else
                {
                    dr = new DataReader(GradeDA.GetAllowableGrades(tc, nOpiItmeID.Integer, nOpiParamID.Integer, payrollTypeID));
                }
                grades = this.CreateObjects<Grade>(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(grades, "GetAllowableGrades", nOpiItmeID, nOpiParamID);

            #endregion

            return grades;
        }
        #endregion

        //For excel Upload
        public static void SaveForUpload(TransactionContext tc, ObjectsTemplate<Grade> grades)
        {
            try
            {
                foreach (Grade oGrade in grades)
                {
                    oGrade.PayrollTypeID = SystemInformation.CurrentSysInfo.PayrollTypeID;
                    if (oGrade.IsNew)
                    {
                        int seqNo = tc.GenerateID("GRADES", "SequenceNo");
                        oGrade.Sequence = seqNo;

                        bool isAutoGenerated = ConfigurationManager.GetBoolValue("grade", "codeautogenerate", EnumConfigurationType.Logic);
                        if (isAutoGenerated == true)
                            oGrade.Code = GlobalFunctionService.GetMaxCode(tc, "grade", "codeautogenerate", "Grades", "Code");

                        oGrade.CreatedBy = User.CurrentUser.ID;
                        oGrade.CreatedDate = DateTime.Now;
                        GradeDA.Insert(tc, oGrade);
                    }
                    else
                    {
                        oGrade.ModifiedBy  = User.CurrentUser.ID;
                        oGrade.ModifiedDate  = DateTime.Now;
                        GradeDA.Update(tc, oGrade);
                    }
                   
                }
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
        }
    }
    #endregion
}