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 InternalRecruitment Service
    [Serializable]
    public class InternalRecruitmentService : ServiceTemplate, IInternalRecruitmentService
    {
        #region InternalRecruitment
        #region Private functions and declaration
        Cache _cache = new Cache(typeof(InternalRecruitment));
        public InternalRecruitmentService() { }

        private void MapObject(InternalRecruitment oInternalRecruitment, DataReader oReader)
        {
            base.SetObjectID(oInternalRecruitment, oReader.GetID("PositionId"));
            oInternalRecruitment.PositionName = oReader.GetString("PositionName");
            oInternalRecruitment.JobDescription = oReader.GetString("JobDescription");
            oInternalRecruitment.Education = oReader.GetString("Education");
            oInternalRecruitment.Experience = oReader.GetString("Experience");
            oInternalRecruitment.Responsibility = oReader.GetString("Responsibility");
            oInternalRecruitment.OtherResponsibility = oReader.GetString("OtherResponsibility");
            oInternalRecruitment.SalaryRange = oReader.GetString("SalaryRange");
            oInternalRecruitment.Benefits = oReader.GetString("Benefits");
            oInternalRecruitment.ApplicationLastDate = oReader.GetString("ApplicationLastDate");
            oInternalRecruitment.PublishedDate = oReader.GetDateTime("PublishedDate").GetValueOrDefault();
            oInternalRecruitment.WorkflowRequired = oReader.GetBoolean("WorkflowRequired").GetValueOrDefault();
            oInternalRecruitment.IsClosed = oReader.GetBoolean("IsClosed").GetValueOrDefault();
            oInternalRecruitment.CreatedBy = oReader.GetID("CreatedBy");
            oInternalRecruitment.CreatedDate = oReader.GetDateTime("CreationDate").GetValueOrDefault();
            oInternalRecruitment.ModifiedBy = oReader.GetID("ModifiedBy");
            oInternalRecruitment.ModifiedDate = oReader.GetDateTime("ModifiedDate").GetValueOrDefault();
            
            this.SetObjectState(oInternalRecruitment, Ease.CoreV35.ObjectState.Saved);
        }

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

        private InternalRecruitment CreateObject(DataReader oReader)
        {
            InternalRecruitment oInternalRecruitment = new InternalRecruitment();
            MapObject(oInternalRecruitment, oReader);
            return oInternalRecruitment;
        }

        private void MapNotificationObject(IRNotification oIRNotification, DataReader oReader)
        {
            base.SetObjectID(oIRNotification, oReader.GetID("IRNotificationID"));
            oIRNotification.PositionID = oReader.GetID("PositionId");
            oIRNotification.NotificationDate = oReader.GetDateTime("NotificationDate").GetValueOrDefault();
            oIRNotification.Description = oReader.GetString("Description");
            oIRNotification.NotifiedBy = oReader.GetID("NotifiedBy");
            
            this.SetObjectState(oIRNotification, Ease.CoreV35.ObjectState.Saved);
        }

        protected ObjectsTemplate<IRNotification> CreateDetailObjects(DataReader oReader)
        {
            ObjectsTemplate<IRNotification> oDetails = new ObjectsTemplate<IRNotification>();
            while (oReader.Read())
            {
                IRNotification oIRNotification = new IRNotification();
                MapNotificationObject(oIRNotification, oReader);
                oDetails.Add(oIRNotification);
            }
            return oDetails;
        }

        private IRNotification CreateDetailObject(DataReader oReader)
        {
            IRNotification oIRNotification = new IRNotification();
            MapNotificationObject(oIRNotification, oReader);
            return oIRNotification;
        }

        private void MapIREmployeeObject(IREmployee oIREmployee, DataReader oReader)
        {
            base.SetObjectID(oIREmployee, oReader.GetID("IREmployeeID"));
            oIREmployee.PositionID = oReader.GetID("PositionId");
            oIREmployee.EmployeeID = oReader.GetID("EmployeeID");
            oIREmployee.WfStatus = (enumwfStatus)oReader.GetInt32("WfStatus").GetValueOrDefault();
            oIREmployee.AppliedDate = oReader.GetDateTime("AppliedDate").GetValueOrDefault();
            oIREmployee.Description = oReader.GetString("Description");
            oIREmployee.IsSelected = oReader.GetBoolean("IsSelected").GetValueOrDefault();

            this.SetObjectState(oIREmployee, Ease.CoreV35.ObjectState.Saved);
        }

        protected ObjectsTemplate<IREmployee> CreateirEmployeeObjects(DataReader oReader)
        {
            ObjectsTemplate<IREmployee> oIREmployees = new ObjectsTemplate<IREmployee>();
            while (oReader.Read())
            {
                IREmployee oIREmployee = new IREmployee();
                MapIREmployeeObject(oIREmployee, oReader);
                oIREmployees.Add(oIREmployee);
            }
            return oIREmployees;
        }

        private IREmployee CreateIREmployeeObject(DataReader oReader)
        {
            IREmployee oIREmployees = new IREmployee();
            MapIREmployeeObject(oIREmployees, oReader);
            return oIREmployees;
        }
        #endregion

        #region Service implementation

        public InternalRecruitment Get(ID id)
        {
            InternalRecruitment oInternalRecruitment = new InternalRecruitment();
            #region Cache Header
            oInternalRecruitment = (InternalRecruitment)_cache["Get", id];
            if (oInternalRecruitment != null)
                return oInternalRecruitment;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader dr = new DataReader(InternalRecruitmentDA.Get(tc, id.Integer));
                if (dr.Read())
                {
                    oInternalRecruitment = CreateObject(dr);
                }
                dr.Close();
                tc.End();

            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException("Failed to Get Leave Parameter :" + e.Message, e);
                #endregion
            }
            #region Cache Footer
            _cache.Add(oInternalRecruitment, "Get", id);
            #endregion
            return oInternalRecruitment;
        }

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

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

            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(InternalRecruitmentDA.Get(tc));
                oInternalRecruitments = this.CreateObjects<InternalRecruitment>(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(oInternalRecruitments, "Get");
            #endregion
            return oInternalRecruitments;
        }

        public ObjectsTemplate<InternalRecruitment> Get(bool isClosed)
        {
            #region Cache Header

            ObjectsTemplate<InternalRecruitment> oInternalRecruitments = _cache["Get", isClosed] as ObjectsTemplate<InternalRecruitment>;
            if (oInternalRecruitments != null)
                return oInternalRecruitments;

            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(InternalRecruitmentDA.Get(tc, isClosed));
                oInternalRecruitments = this.CreateObjects<InternalRecruitment>(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(oInternalRecruitments, "Get", isClosed);
            #endregion
            return oInternalRecruitments;
        }

        public ID Save(InternalRecruitment oInternalRecruitment)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                if (oInternalRecruitment.IsNew)
                {
                    int id = tc.GenerateID("InternalReqruitment", "PositionId");
                    base.SetObjectID(oInternalRecruitment, ID.FromInteger(id));
                    InternalRecruitmentDA.Insert(tc, oInternalRecruitment);
                }
                else
                {
                    InternalRecruitmentDA.Update(tc, oInternalRecruitment);
                }

                InternalRecruitmentDA.DeleteNotifications(tc, oInternalRecruitment.ID.Integer);
                InternalRecruitmentDA.DeleteIREmployees(tc, oInternalRecruitment.ID.Integer);
                foreach (IRNotification oDetail in oInternalRecruitment.Notifications)
                {
                    oDetail.PositionID = oInternalRecruitment.ID;
                    this.SetObjectID(oDetail, ID.FromInteger(InternalRecruitmentDA.GetNewNotificationID(tc)));
                    InternalRecruitmentDA.InsertNotification(tc, oDetail);
                }

                foreach (IREmployee oemployee in oInternalRecruitment.IREmployees)
                {
                    oemployee.PositionID = oInternalRecruitment.ID;
                    this.SetObjectID(oemployee, ID.FromInteger(InternalRecruitmentDA.GetNewIREmployeeID(tc)));
                    InternalRecruitmentDA.InsertIREmployee(tc, oemployee);
                }

                tc.End();

            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException("Failed to Save Internal Recruitment :" + e.Message, e);
                #endregion
            }
            return oInternalRecruitment.ID;
        }

        public ID SaveIrEmployee(IREmployee iREmployee)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                if (iREmployee.IsNew)
                {
                    int id = tc.GenerateID("IREmployee", "IREmployeeID");
                    base.SetObjectID(iREmployee, ID.FromInteger(id));
                    InternalRecruitmentDA.InsertIREmployee(tc, iREmployee);
                }
                else
                {
                    InternalRecruitmentDA.DeleteIREmployees(tc, iREmployee.PositionID.Integer,iREmployee.EmployeeID.Integer);
                    int id = tc.GenerateID("IREmployee", "IREmployeeID");
                    base.SetObjectID(iREmployee, ID.FromInteger(id));
                    InternalRecruitmentDA.InsertIREmployee(tc, iREmployee);
                }

                tc.End();

            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException("Failed to Save IREmployee :" + e.Message, e);
                #endregion
            }
            return iREmployee.ID;
        }

        public void Delete(ID id)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                InternalRecruitmentDA.DeleteNotifications(tc, id.Integer);
                InternalRecruitmentDA.DeleteIREmployees(tc, id.Integer);
                InternalRecruitmentDA.Delete(tc, id.Integer);
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException("Failed to Delete Internal Recruitment: " + e.Message, e);
                #endregion
            }
        }

        public ObjectsTemplate<IRNotification> GetNotifications(ID PositionId)
        {
            #region Cache Header

            ObjectsTemplate<IRNotification> oDetails = _cache["Get", PositionId] as ObjectsTemplate<IRNotification>;
            if (oDetails != null)
                return oDetails;

            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(InternalRecruitmentDA.GetNotifications(tc, PositionId.Integer));
                oDetails = this.CreateDetailObjects(oreader);
                oreader.Close();
            }
            catch (Exception ex)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(ex);
                throw new ServiceException("Failed to Get IRNotifications: " + ex.Message, ex);
                #endregion
            }
            #region Cache Footer
            _cache.Add(oDetails, "GetDetails", PositionId);
            #endregion
            return oDetails;

        }

        public IRNotification Get(int PositionId)
        {
            IRNotification oIRNotification = new IRNotification();
            #region Cache Header
            oIRNotification = (IRNotification)_cache["Get", PositionId];
            if (oIRNotification != null)
                return oIRNotification;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader dr = new DataReader(InternalRecruitmentDA.Get(tc, PositionId));
                if (dr.Read())
                {
                    oIRNotification = CreateDetailObject(dr);
                }
                dr.Close();
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException("Failed to Get IRNotification: " + e.Message, e);
                #endregion
            }
            #region Cache Footer
            _cache.Add(oIRNotification, "Get", PositionId);
            #endregion
            return oIRNotification;
        }

        public ObjectsTemplate<IREmployee> GetIREmployeess(ID PositioniD)
        {
            #region Cache Header

            ObjectsTemplate<IREmployee> oDetails = _cache["Get", PositioniD] as ObjectsTemplate<IREmployee>;
            if (oDetails != null)
                return oDetails;

            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(InternalRecruitmentDA.GetIREmployeess(tc, PositioniD.Integer));
                oDetails = this.CreateirEmployeeObjects(oreader);
                oreader.Close();
            }
            catch (Exception ex)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(ex);
                throw new ServiceException("Failed to Get IRNotifications: " + ex.Message, ex);
                #endregion
            }
            #region Cache Footer
            _cache.Add(oDetails, "GetDetails", PositioniD);
            #endregion
            return oDetails;

        }

        public IREmployee GetIrempID(ID irEmpID)
        {
            IREmployee oIREmployee = new IREmployee();
            #region Cache Header
            oIREmployee = (IREmployee)_cache["Get", irEmpID];
            if (oIREmployee != null)
                return oIREmployee;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader dr = new DataReader(InternalRecruitmentDA.Get(tc, irEmpID));
                if (dr.Read())
                {
                    oIREmployee = CreateIREmployeeObject(dr);
                }
                dr.Close();
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException("Failed to Get IRNotification: " + e.Message, e);
                #endregion
            }
            #region Cache Footer
            _cache.Add(oIREmployee, "Get", irEmpID);
            #endregion
            return oIREmployee;
        }
        public IREmployee Get(int PositionId, int empId)
        {
            IREmployee oIREmployee = new IREmployee();
            #region Cache Header
            oIREmployee = (IREmployee)_cache["Get", PositionId, empId];
            if (oIREmployee != null)
                return oIREmployee;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader dr = new DataReader(InternalRecruitmentDA.Get(tc, PositionId, empId));
                if (dr.Read())
                {
                    oIREmployee = CreateIREmployeeObject(dr);
                }
                dr.Close();
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException("Failed to Get IRNotification: " + e.Message, e);
                #endregion
            }
            #region Cache Footer
            _cache.Add(oIREmployee, "Get", PositionId, empId);
            #endregion
            return oIREmployee;
        }
        #endregion
        #endregion
    }
    #endregion
}