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

        #endregion
        public DepartmentService() { }

        private void MapObject(Department oDepartment, DataReader oReader)
        {
            base.SetObjectID(oDepartment, oReader.GetID("DepartmentID"));
            oDepartment.Code = oReader.GetString("code");
            oDepartment.RCCode = oReader.GetString("rccode");
            oDepartment.Name = oReader.GetString("description");
            oDepartment.ParentID = oReader.GetID("parentID");
            oDepartment.ParentsID = oReader.GetString("parentsID");
            oDepartment.Sequence = oReader.GetInt32("SequenceNo").Value;
            oDepartment.Status = (EnumStatus)oReader.GetInt32("Status").Value;
            oDepartment.Tier = oReader.GetInt32("TIRE").Value;
            oDepartment.CreatedBy = oReader.GetID("CreatedBy");
            oDepartment.CreatedDate = oReader.GetDateTime("CreationDate").Value;
            oDepartment.ModifiedBy = oReader.GetID("ModifiedBy");
            oDepartment.ModifiedDate = oReader.GetDateTime("ModifiedDate");
            this.SetObjectState(oDepartment, Ease.CoreV35.ObjectState.Saved);
        }
        protected override T CreateObject<T>(DataReader oReader)
        {
            Department oDepartment = new Department();
            MapObject(oDepartment, oReader);
            return oDepartment as T;
        }
        protected Department CreateObject(DataReader oReader)
        {
            Department oDepartment = new Department();
            MapObject(oDepartment, oReader);
            return oDepartment;
        }

        #region Service implementation

        public string GetNextCode(int tier)
        {
            TransactionContext tc = null;
            string _code = "";
            try
            {
                tc = TransactionContext.Begin();
                _code = GlobalFunctionService.GetMaxCode(tc, "department", "codeautogenerate", "Department", "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, "department", "codeautogenerate", "Department", "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 Department Get(ID id)
        {
            Department oDepartment = new Department();
            #region Cache Header
            oDepartment = _cache["Get", id] as Department;
            if (oDepartment != null)
                return oDepartment;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(DepartmentDA.Get(tc, id));
                if (oreader.Read())
                {
                    oDepartment = this.CreateObject<Department>(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(oDepartment, "Get", id);
            #endregion
            return oDepartment;
        }

        

        public Department Get(string sCode)
        {
            Department oDepartment = new Department();
            #region Cache Header
            oDepartment = _cache["Get", sCode] as Department;
            if (oDepartment != null)
                return oDepartment;
            #endregion
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(DepartmentDA.Get(tc, sCode));
                if (oreader.Read())
                {
                    oDepartment = this.CreateObject<Department>(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(oDepartment, "Get", sCode);
            #endregion
            return oDepartment;
        }

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

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

            #endregion

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

                DataReader dr = new DataReader(DepartmentDA.Get(tc));
                departments = this.CreateObjects<Department>(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(departments, "Get");

            #endregion

            return departments;
        }

        public ObjectsTemplate<Department> GetBySalaryMonthAndRCCode(DateTime salaryMonth)
        {
            #region Cache Header

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

            #endregion

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

                DataReader dr = new DataReader(DepartmentDA.GetBySalaryMonthAndRCCode(tc, salaryMonth));
                departments = this.CreateObjects<Department>(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(departments, "Get");

            #endregion

            return departments;
        }

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

            ObjectsTemplate<Department> departments = _cache["Get", parentID] as ObjectsTemplate<Department>;
            if (departments != null)
                return departments;

            #endregion

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

                DataReader dr = new DataReader(DepartmentDA.GetChild(tc, parentID));
                departments = this.CreateObjects<Department>(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(departments, "Get", parentID);

            #endregion

            return departments;
        }



        public ObjectsTemplate<Department> GetParentLessChilds()
        {
            #region Cache Header

            ObjectsTemplate<Department> departments = _cache["GetParentLessChilds"] as ObjectsTemplate<Department>;
            if (departments != null)
                return departments;

            #endregion

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

                DataReader dr = new DataReader(DepartmentDA.GetParentLessChilds(tc));
                departments = this.CreateObjects<Department>(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(departments, "GetParentLessChilds");

            #endregion

            return departments;
        }


        public ObjectsTemplate<Department> GetByTier(int tier, int id)
        {
            #region Cache Header

            ObjectsTemplate<Department> departments = _cache["GetByTier", tier, id] as ObjectsTemplate<Department>;
            if (departments != null)
                return departments;

            #endregion

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

                DataReader dr = new DataReader(DepartmentDA.GetByTier(tc, tier, id));
                departments = this.CreateObjects<Department>(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(departments, "GetByTier", tier, id);

            #endregion

            return departments;
        }

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

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

            #endregion

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

                DataReader dr = new DataReader(DepartmentDA.GetByTier(tc, tier));
                departments = this.CreateObjects<Department>(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(departments, "GetByTier", tier);

            #endregion

            return departments;
        }

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

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

            #endregion

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

                DataReader dr = new DataReader(DepartmentDA.GetParents(tc,status));
                departments = this.CreateObjects<Department>(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(departments, "GetParents",status);

            #endregion

            return departments;
        }

        //public ID SaveCode(Department oDepartment, string sCode)
        //{ 
        //    TransactionContext tc = null;
        //    try
        //    {
        //        tc = TransactionContext.Begin(true);
        //        DepartmentDA.UpdateCode(tc, oDepartment, sCode);
        //        tc.End();
        //        return oDepartment.ID;
        //    }
        //    catch (Exception e)
        //    {
        //        #region Handle Exception
        //        if (tc != null)
        //            tc.HandleError();
        //        ExceptionLog.Write(e);
        //        throw new ServiceException(e.Message, e);
        //        #endregion
        //    }

        //}

        public ID Save(Department oDepartment)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                if (oDepartment.ID.IsUnassigned)
                {
                    int id = tc.GenerateID("Department", "DepartmentID");
                    base.SetObjectID(oDepartment, ID.FromInteger(id));
                    int sequenceId = tc.GenerateID("Department", "SequenceNO");
                    
                    oDepartment.Sequence = sequenceId;

                    DepartmentDA.Insert(tc, oDepartment);
                }
                else
                {
                    oDepartment.ModifiedBy = Payroll.BO.User.CurrentUser.ID;
                    oDepartment.ModifiedDate = DateTime.Today;
                    DepartmentDA.Update(tc, oDepartment);
                }
                tc.End();
                return oDepartment.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);
                DepartmentDA.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 DataSet GetForTree()
        {
            TransactionContext tc = null;
            DataSet ds = new DataSet();
            try
            {
                tc = TransactionContext.Begin();

                ds = DepartmentDA.GetForTree(tc);

                tc.End();
                return ds;
            }
            catch (Exception e)
            {
                #region Handle Exception

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

                throw new ServiceException(e.Message, e);

                #endregion
            }
        }
        //For excel Upload
        public static void SaveForUpload(TransactionContext tc, ObjectsTemplate<Department> departments)
        {
            try
            {
                string parentCode = "";
                foreach (Department oDepartment in departments)
                {
                    if (oDepartment.IsNew)
                    {
                        int seqNo = tc.GenerateID("Department", "SequenceNo");
                        oDepartment.Sequence = seqNo;
                        parentCode = string.Empty;
                        
                        bool isAutoGenerated = ConfigurationManager.GetBoolValue("department", "codeautogenerate", EnumConfigurationType.Logic);
                        
                        if (oDepartment.ParentID != null)
                            parentCode = departments.GetItem(oDepartment.ParentID).Code;

                        if (isAutoGenerated == true)
                            oDepartment.Code = GlobalFunctionService.GetMaxCodeofTree(tc, "department", "codeautogenerate", "Department", "Code", parentCode, oDepartment.Tier);

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

        public DataSet GetDepartmentWiseManpower(string sParam)
        {
            DataSet oSalaryMonthlys = new DataSet();

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                oSalaryMonthlys = DepartmentDA.GetDepartmentWiseManpower(tc, sParam);
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
            return oSalaryMonthlys;
        }

        public DataSet GetRCCodeBySalaryMonth(DateTime salaryMonth)
        {
            DataSet oSalaryMonthlys = new DataSet();

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                oSalaryMonthlys = DepartmentDA.GetRCCodeBySalaryMonth(tc, salaryMonth);
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
            return oSalaryMonthlys;
        }


        public DataSet GetAllChilds(ID parentID)
        {
            DataSet oDeptChilds = new DataSet();

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                oDeptChilds = DepartmentDA.GetAllChilds(tc, parentID);
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception
                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);
                #endregion
            }
            return oDeptChilds;
        }
    }
    #endregion
}