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 Location Service
    [Serializable]
    public class LocationService : ServiceTemplate, ILocationService
    {
        #region Private functions and declaration
        Cache _cache = new Cache(typeof(Location));

        #endregion
        public LocationService() { }

        private void MapObject(Location oLocation, DataReader oReader)
        {
            base.SetObjectID(oLocation, oReader.GetID("LocationID"));
            oLocation.Code = oReader.GetString("code");
            oLocation.Name = oReader.GetString("description");
            oLocation.ParentID = oReader.GetID("parentID");
           // oLocation.ParentsID = oReader.GetString("parentsID");
            oLocation.Sequence = oReader.GetInt32("SequenceNo").Value;
            oLocation.Status = (EnumStatus)oReader.GetInt32("Status").Value;
            oLocation.Tier = oReader.GetInt32("TIRE").Value;
            oLocation.CreatedBy = oReader.GetID("CreatedBy");
            oLocation.CreatedDate = oReader.GetDateTime("CreationDate").Value;
            oLocation.ModifiedBy = oReader.GetID("ModifiedBy");
            oLocation.ModifiedDate = oReader.GetDateTime("ModifiedDate");
            this.SetObjectState(oLocation, Ease.CoreV35.ObjectState.Saved);
        }
        protected override T CreateObject<T>(DataReader oReader)
        {
            Location oLocation = new Location();
            MapObject(oLocation, oReader);
            return oLocation as T;
        }
        protected Location CreateObject(DataReader oReader)
        {
            Location oLocation = new Location();
            MapObject(oLocation, oReader);
            return oLocation;
        }
        #region Service implementation
        public Location Get(ID id)
        {
            Location oLocation = new Location();
            #region Cache Header
            oLocation = _cache["Get", id] as Location;
            if (oLocation != null)
                return oLocation;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(LocationDA.Get(tc, id));
                if (oreader.Read())
                {
                    oLocation = this.CreateObject<Location>(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(oLocation, "Get", id);
            #endregion
            return oLocation;
        }

        public string GetNextCode(int tier)
        {
            TransactionContext tc = null;
            string _code = "";
            try
            {
                tc = TransactionContext.Begin();
                _code = GlobalFunctionService.GetMaxCode(tc, "location", "codeautogenerate", "location", "Code", tier);
                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 string GetNextCode(int _tier, string _parentCode)
        {
            TransactionContext tc = null;
            string _code = "";
            try
            {

                tc = TransactionContext.Begin();
                _code = GlobalFunctionService.GetMaxCodeofTree(tc, "location", "codeautogenerate", "location", "Code", _parentCode, _tier);
                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 Location Get(string code)
        {
            Location oLocation = new Location();
            #region Cache Header
            oLocation = _cache["Get", code] as Location;
            if (oLocation != null)
                return oLocation;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(LocationDA.Get(tc, code));
                if (oreader.Read())
                {
                    oLocation = this.CreateObject<Location>(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(oLocation, "Get", code);
            #endregion
            return oLocation;
        }

        public  ObjectsTemplate<Location> Get(EnumStatus sts)
        {
            ObjectsTemplate<Location>  allLocations = new ObjectsTemplate<Location>();
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(LocationDA.Get(tc, sts));
                if (oreader.Read())
                {
                    allLocations = this.CreateObjects<Location>(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
            }

            return allLocations;
        }

        public ObjectsTemplate<Location> GetForJV(DateTime dSalaryMonth, ID PayrollTypeID)
        {
            ObjectsTemplate<Location> allLocations = new ObjectsTemplate<Location>();
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(LocationDA.GetForJV(tc, dSalaryMonth, PayrollTypeID));
                if (oreader.Read())
                {
                    allLocations = this.CreateObjects<Location>(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
            }

            return allLocations;
        }

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

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

            #endregion

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

                DataReader dr = new DataReader(LocationDA.Get(tc));
                locations = this.CreateObjects<Location>(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(locations, "Get");

            #endregion

            return locations;
        }

        public ObjectsTemplate<Location> GetChield(ID parentID)
        {
            #region Cache Header

            ObjectsTemplate<Location> locations = _cache["GetChield", parentID] as ObjectsTemplate<Location>;
            if (locations != null)
                return locations;

            #endregion

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

                DataReader dr = new DataReader(LocationDA.GetChilds(tc, parentID));
                locations = this.CreateObjects<Location>(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(locations, "GetChield", parentID);

            #endregion

            return locations;
        }

        public ObjectsTemplate<Location> GetParents(EnumStatus status)
        {
            #region Cache Header

            ObjectsTemplate<Location> locations = _cache["GetParents", status] as ObjectsTemplate<Location>;
            if (locations != null)
                return locations;

            #endregion

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

                DataReader dr = new DataReader(LocationDA.GetParents(tc, status));
                locations = this.CreateObjects<Location>(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(locations, "GetParents", status);

            #endregion

            return locations;
        }

        public ObjectsTemplate<Location> GetByTier(int tier)
        {
            #region Cache Header

            ObjectsTemplate<Location> locations = _cache["GetByTier", tier] as ObjectsTemplate<Location>;
            if (locations != null)
                return locations;

            #endregion

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

                DataReader dr = new DataReader(LocationDA.GetByTier(tc, tier));
                locations = this.CreateObjects<Location>(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(locations, "GetByTier", tier);

            #endregion

            return locations;
        }

        public ID Save(Location oLocation)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                if (oLocation.IsNew)
                {
                    int id = tc.GenerateID("Location", "LocationID");
                    int sequenceId = tc.GenerateID("Location", "SequenceNO");
                    oLocation.Sequence = sequenceId;
                    base.SetObjectID(oLocation, ID.FromInteger(id));
                    LocationDA.Insert(tc, oLocation);
                }
                else
                {
                    LocationDA.Update(tc, oLocation);
                }
                tc.End();
                return oLocation.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);
                LocationDA.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
            }
        }
        #endregion

        public static void SaveForUpload(TransactionContext tc, ObjectsTemplate<Location> locations)
        {
            try
            {
                string parentcode = "";
                foreach (Location oLocation in locations)
                {
                    if (oLocation.IsNew)
                    {
                        int seqNo = tc.GenerateID("Location", "SequenceNo");
                        oLocation.Sequence = seqNo;
                        parentcode = string.Empty;
                        bool isAutoGenerated = ConfigurationManager.GetBoolValue("location", "codeautogenerate", EnumConfigurationType.Logic);
                        if (oLocation.ParentID != null)
                            parentcode = locations.GetItem(oLocation.ParentID).Code;

                        if (isAutoGenerated == true)
                            oLocation.Code = GlobalFunctionService.GetMaxCodeofTree(tc, "location", "codeautogenerate", "Location", "Code", parentcode, oLocation.Tier);

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

    }
    #endregion
}