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

namespace Payroll.Service
{
    public class NotificationService : ServiceTemplate, INotificationService
    {
        #region Cache
        Cache _cache = new Cache(typeof(Notification));
        #endregion

        #region Map Objects

        #region Map Parent
        private void MapObject(Notification oNotification, DataReader oReader)
        {
            base.SetObjectID(oNotification, oReader.GetID("NotificationID"));
            oNotification.Subject = oReader.GetString("Subject");
            oNotification.Body = oReader.GetString("Body");
            oNotification.TagOutputID = oReader.GetID("TagOutputID").IsUnassigned ? ID.FromInteger(0) : oReader.GetID("TagOutputID");
            oNotification.ObjectID = oReader.GetID("ObjectID").IsUnassigned ? ID.FromInteger(0) : oReader.GetID("ObjectID");
            oNotification.OptionalObjectID = oReader.GetID("OptionalObjectID").IsUnassigned ? ID.FromInteger(0) : oReader.GetID("OptionalObjectID");
            oNotification.Attachment = oReader.GetString("Attachment");
            oNotification.Footer = oReader.GetString("Footer");
            oNotification.Type = (EnumNotificationType)oReader.GetInt32("Type");
            //oNotification.Medium = (EnumNotificationMedium) oReader.GetInt32("Medium");
            oNotification.IsMailNf = oReader.GetBoolean("IsMailNf").Value;
            oNotification.IsSMSNf = oReader.GetBoolean("IsSMSNf").Value;
            oNotification.IsWebNf = oReader.GetBoolean("IsWebNf").Value;
            oNotification.Status = (EnumNotificationStatus) oReader.GetInt32("Status");
            
            this.SetObjectState(oNotification, Ease.CoreV35.ObjectState.Saved);
        }
        protected override T CreateObject<T>(DataReader oReader)
        {
            Notification oNotification = new Notification();
            MapObject(oNotification, oReader);
            return oNotification as T;
        }
        
        #endregion

        #region Map NotificationParticipants
        private void MapParticipantObject(NotificationParticipant oNotificationParticipant, DataReader oReader)
        {
            base.SetObjectID(oNotificationParticipant, oReader.GetID("NotificationParticipantID"));
            oNotificationParticipant.NotificationID = oReader.GetID("NotificationID");
            oNotificationParticipant.EmployeeID = oReader.GetID("EmployeeID");
            oNotificationParticipant.Comments = oReader.GetString("Comments");
            oNotificationParticipant.SentTime = (DateTime) oReader.GetDateTime("SentTime");
            this.SetObjectState(oNotificationParticipant, Ease.CoreV35.ObjectState.Saved);

        }

        private  NotificationParticipant CreateParticipant(DataReader oReader)
        {
            NotificationParticipant oNotificationParticipant = new NotificationParticipant();
            MapParticipantObject(oNotificationParticipant, oReader);
            return oNotificationParticipant;
        }

        private ObjectsTemplate<NotificationParticipant> CreateParticipants(DataReader oReader)
        {
            ObjectsTemplate<NotificationParticipant> oNotificationParticipants = new ObjectsTemplate<NotificationParticipant>();
            NotificationParticipant oNotificationParticipant;
            
            while (oReader.Read())
            {
                oNotificationParticipant = new NotificationParticipant();
                oNotificationParticipant = CreateParticipant(oReader);
                oNotificationParticipants.Add(oNotificationParticipant);
            }
            return oNotificationParticipants;
        }
        
        #endregion

        #region Map NotificationRule
        private void MapNotificationRuleObject(NotificationRule oNotificationRule, DataReader oReader)
        {
            base.SetObjectID(oNotificationRule, oReader.GetID("NotificationRuleID"));
            oNotificationRule.BatchNo = oReader.GetInt32("BatchNo").Value;
            oNotificationRule.NotificationID = oReader.GetID("NotificationID");
            oNotificationRule.PerticipantID = oReader.GetID("PerticipantID");
            oNotificationRule.PerticipantType = (EnumPerticipantType) oReader.GetInt32("PerticipantType");
            oNotificationRule.SendDate = oReader.GetDateTime("SendDate").Value;
            oNotificationRule.ExtendedBody = oReader.GetString("ExtendedBody");
            oNotificationRule.Remarks = oReader.GetString("Remarks");
            oNotificationRule.EmailSendStatus = (EnumSendStatus)oReader.GetInt32("EmailSendStatus");
            oNotificationRule.WebSendStatus = (EnumSendStatus)oReader.GetInt32("WebSendStatus");
            oNotificationRule.SMSSendStatus = (EnumSendStatus)oReader.GetInt32("SMSSendStatus");
            oNotificationRule.AllowWrite = (bool)oReader.GetBoolean("AllowWrite");

            this.SetObjectState(oNotificationRule, Ease.CoreV35.ObjectState.Saved);

        }

        private NotificationRule CreateNotificationRule(DataReader oReader)
        {
            NotificationRule oNotificationRule = new NotificationRule();
            MapNotificationRuleObject(oNotificationRule, oReader);
            return oNotificationRule;
        }

        private ObjectsTemplate<NotificationRule> CreateNotificationRules(DataReader oReader)
        {
            ObjectsTemplate<NotificationRule> oCreateNotificationRules = new ObjectsTemplate<NotificationRule>();
            NotificationRule oCreateNotificationRule;

            while (oReader.Read())
            {
                oCreateNotificationRule = CreateNotificationRule(oReader);
                oCreateNotificationRules.Add(oCreateNotificationRule);
            }
            return oCreateNotificationRules;
        }

        #endregion

        #endregion

        #region Implementation of INotificationService

        #region Get Functions

        public int GetNewID()
        {
            TransactionContext tc = null;
            tc = TransactionContext.Begin(true);
            try
            {
                return tc.GenerateID("Notification", "NotificationID");
            }
            catch (Exception e)
            {

                throw e;
            }
            finally
            {
                tc.End();
            }
        }

        public Notification Get(ID id)
        {
            Notification oNotification = null;
            
            #region Cache Header
            oNotification = _cache["Get", id] as Notification;
            if (oNotification != null)
                return oNotification;
            #endregion

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(NotificationDA.Get(tc,id));
                if(oreader.Read())
                {
                    oNotification = CreateObject<Notification>(oreader);
                }
                oreader.Close();
                
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
            finally
            {
                tc.End();
            }

            #region Cache Footer
            _cache.Add(oNotification, "Get", id);
            #endregion
            
            return oNotification;
        }

        public ObjectsTemplate<Notification> Get()
        {
            ObjectsTemplate<Notification> oNotifications = new ObjectsTemplate<Notification>();

            #region Cache Header
            oNotifications = _cache["Get"] as ObjectsTemplate<Notification>;
            if (oNotifications != null)
                return oNotifications;
            #endregion

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(NotificationDA.Get(tc));
                oNotifications = CreateObjects<Notification>(oreader);
                
                oreader.Close();

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

            #region Cache Footer
            _cache.Add(oNotifications, "Get");
            #endregion
            
            return oNotifications;
        }

        public ObjectsTemplate<Notification> Get(EnumNotificationStatus status)
        {

            ObjectsTemplate<Notification> oNotifications = new ObjectsTemplate<Notification>();

            #region Cache Header
            oNotifications = _cache["Get"] as ObjectsTemplate<Notification>;
            if (oNotifications != null)
                return oNotifications;
            #endregion

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(NotificationDA.Get(tc,status));
                oNotifications = CreateObjects<Notification>(oreader);

                oreader.Close();

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

            #region Cache Footer
            _cache.Add(oNotifications, "Get");
            #endregion

            return oNotifications;
        }

        public ObjectsTemplate<Notification> GetByDateRange(DateTime startDate, DateTime endDate)
        {
            ObjectsTemplate<Notification> oNotifications = new ObjectsTemplate<Notification>();

            #region Cache Header
            oNotifications = _cache["Get"] as ObjectsTemplate<Notification>;
            if (oNotifications != null)
                return oNotifications;
            #endregion

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(NotificationDA.GetByDateRange(tc,startDate,endDate));
                oNotifications = CreateObjects<Notification>(oreader);

                oreader.Close();

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

            #region Cache Footer
            _cache.Add(oNotifications, "Get");
            #endregion

            return oNotifications;
        }

        public ObjectsTemplate<NotificationParticipant> GetNotificationParticipants(ID id)
        {
            ObjectsTemplate<NotificationParticipant> oNotificationParticipants = new ObjectsTemplate<NotificationParticipant>();

            #region Cache Header
            oNotificationParticipants = _cache["Get", id] as ObjectsTemplate<NotificationParticipant>;
            if (oNotificationParticipants != null)
                return oNotificationParticipants;
            #endregion

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(NotificationDA.GetParticipants(tc, id));
                
                oNotificationParticipants = CreateParticipants(oreader);
                
                oreader.Close();

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

            #region Cache Footer
            _cache.Add(oNotificationParticipants, "Get", id);
            #endregion

            return oNotificationParticipants;
        }

        public ObjectsTemplate<NotificationRule> GetNotificationRules(ID id)
        {
            ObjectsTemplate<NotificationRule> oCreateNotificationRules = new ObjectsTemplate<NotificationRule>();

            #region Cache Header
            oCreateNotificationRules = _cache["Get", id] as ObjectsTemplate<NotificationRule>;
            if (oCreateNotificationRules != null)
                return oCreateNotificationRules;
            #endregion

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(NotificationDA.GetNotificationRules(tc, id));
                
                oCreateNotificationRules = CreateNotificationRules(oreader);
                
                oreader.Close();

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

            #region Cache Footer
            _cache.Add(oCreateNotificationRules, "Get", id);
            #endregion

            return oCreateNotificationRules;
        }

        #endregion

        #region Get Scalars

        public int GetNewBatchNumber()
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                int id = tc.GenerateID("NotificationRule", "BatchNo");
                return id;

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

        private int GetNewBatchNumber(TransactionContext tc)
        {
            
            try
            {
                int id = tc.GenerateID("NotificationRule", "BatchNo");
                return id;

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

        public DateTime GetMinSendDateByID(ID iD)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                DateTime minDate = NotificationDA.GetMinDateByID(tc, iD);
                return minDate;

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

        #endregion

        public ID Save(Notification oNotification)
        {
            TransactionContext tc = null;
            try
            {
                int startingBatchNo;
                int previousBatchNo = 0;
                tc = TransactionContext.Begin(true);
                if (oNotification.IsNew)
                {

                    int id = tc.GenerateID("Notification", "NotificationID");
                    base.SetObjectID(oNotification, ID.FromInteger(id));
                    
                    NotificationDA.Insert(tc, oNotification);
                    startingBatchNo = GetNewBatchNumber(tc);
                    foreach (NotificationRule notificationRule in oNotification.NotificationRules)
                    {
                        if(previousBatchNo!=notificationRule.BatchNo && (previousBatchNo!=0))
                        {
                            startingBatchNo++;
                        }
                        previousBatchNo = notificationRule.BatchNo;
                        notificationRule.BatchNo = startingBatchNo;
                        base.SetObjectID(notificationRule, ID.FromInteger(tc.GenerateID("NotificationRule", "NotificationRuleID")));
                        notificationRule.NotificationID = ID.FromInteger(id);
                        NotificationDA.InsertNotificationRule(tc, notificationRule);
                    }
                }
                else
                {
                    NotificationDA.Update(tc, oNotification);

                    NotificationDA.DeleteNotificationRules(tc,oNotification.ID);
                    startingBatchNo = GetNewBatchNumber(tc);

                    foreach (NotificationRule notificationRule in oNotification.NotificationRules)
                    {
                        if (previousBatchNo != notificationRule.BatchNo && (previousBatchNo != 0))
                        {
                            startingBatchNo++;
                        }
                        previousBatchNo = notificationRule.BatchNo;
                        notificationRule.BatchNo = startingBatchNo;
                        base.SetObjectID(notificationRule, ID.FromInteger(tc.GenerateID("NotificationRule", "NotificationRuleID")));
                        notificationRule.NotificationID = ID.FromInteger(oNotification.ID.Integer);
                        NotificationDA.InsertNotificationRule(tc, notificationRule);
                    }
                }
                
                return oNotification.ID;
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
            finally
            {
                tc.End();
            }
        }

        public void SaveReply(NotificationParticipant oParticipant)
        {
            TransactionContext tc = null;
            tc = TransactionContext.Begin(true);
            try
            {
                if (oParticipant.IsNew)
                {
                    int id = tc.GenerateID("NotificationParticipant", "NotificationParticipantID");
                    base.SetObjectID(oParticipant, ID.FromInteger(id));
                    NotificationDA.InsertReply(tc, oParticipant);
                }
                else
                {

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

        public void UpdateNotificationRule(NotificationRule notfRule)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                NotificationDA.UpdateNotficationRule(tc, notfRule);
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
            finally
            {
                tc.End();
            }
        }

        public void Delete(ID id)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                
                NotificationDA.DeleteParticipants(tc,id);
                NotificationDA.DeleteNotificationRules(tc, id);

                NotificationDA.Delete(tc, id);
                
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
            finally
            {
                tc.End();
            }
        }


        #endregion



       
    }
}