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

namespace Payroll.BO
{
    #region DailyOTProcess

    [Serializable]
    public class DailyOTProcess : AuditTrailBase
    {
        #region Cache Store

        private static Cache _cache = new Cache(typeof(DailyOTProcess));

        #endregion

        #region Constructor

        public DailyOTProcess()
        {
            _termID = null;
            _value = 0;
            _employeeID = null;
            _workingDate = DateTime.MinValue;
        }

        #endregion

        #region Properties

        #region TermID : ID

        private ID _termID;
        public ID TermID
        {
            get { return _termID; }
            set
            {
                base.OnPropertyChange<ID>("TermID", _termID, value);
                _termID = value;
            }
        }

        #endregion

        #region value : int

        private double _value;
        public double Value
        {
            get { return _value; }
            set
            {
                base.OnPropertyChange<double>("value", _value, value);
                _value = value;
            }
        }

        #endregion

        #region EmployeeID : ID

        private ID _employeeID;
        public ID EmployeeID
        {
            get { return _employeeID; }
            set
            {
                base.OnPropertyChange<ID>("EmployeeID", _employeeID, value);
                _employeeID = value;
            }
        }

        #endregion

        #region WorkingDate : DateTime

        private DateTime _workingDate;
        public DateTime WorkingDate
        {
            get { return _workingDate; }
            set
            {
                base.OnPropertyChange<DateTime>("workingdate", _workingDate, value);
                _workingDate = value;
            }
        }

        #endregion

        #region Service Factory IDailyOTProcessService : IDailyOTProcessService

        internal static IDailyOTProcessService Service
        {
            get { return Services.Factory.CreateService<IDailyOTProcessService>(typeof(IDailyOTProcessService)); }
        }

        #endregion
        public void Proecess(ObjectsTemplate<DailyAttnProcess> attProcesses)
        {
            ObjectsTemplate<DailyOTProcess> processItems = new ObjectsTemplate<DailyOTProcess>();
            ObjectsTemplate<ShiftTerm> shifTerms = ShiftTerm.Get();
            ObjectsTemplate<Employee> employees = Employee.Get();
            ObjectsTemplate<Shift> shifts = Shift.Get();
            double ExtraHour = 0;
            foreach (DailyAttnProcess attProcess in attProcesses)
            {
                if (attProcess.AttenType != EnumAttendanceType.Present) continue;

                Employee emp = employees.GetItem(attProcess.EmployeeID);
                if (emp == null && emp.IsEligibleOT == false) continue;

                Shift shift = shifts.GetItem(attProcess.ShiftID);
                if (shift == null) throw new ServiceException("shift not found for the employee:");
                // find extra hour ExtraHour

                TimeSpan st = attProcess.OutTime - attProcess.InTime;
                ExtraHour = st.Hours;
                ShiftTerm oShiftTerm = ShiftTerm.GetByShiftID(attProcess.ShiftID);


                foreach (ShiftTermDetail item in oShiftTerm.ShiftTermDetail)
                {
                    if (ExtraHour > 0)
                    {
                        DailyOTProcess otP = new DailyOTProcess();
                        otP.EmployeeID = attProcess.EmployeeID;
                        otP.TermID = item.TermID;
                        otP.WorkingDate = attProcess.AttnDate;
                        otP.Value = (ExtraHour > item.Hour) ? item.Hour : ExtraHour;
                        ExtraHour = ExtraHour - item.Hour;

                        if (otP.Value > 0)
                        {
                            processItems.Add(otP);
                        }
                    }
                }
            }

            this.Save(processItems);
        }

        #endregion

        #region Functions

        public static DailyOTProcess Get(ID nID)
        {
            DailyOTProcess oDailyOTProcess = null;
            #region Cache Header
            oDailyOTProcess = (DailyOTProcess)_cache["Get", nID];
            if (oDailyOTProcess != null)
                return oDailyOTProcess;
            #endregion
            oDailyOTProcess = DailyOTProcess.Service.Get(nID);
            #region Cache Footer
            _cache.Add(oDailyOTProcess, "Get", nID);
            #endregion
            return oDailyOTProcess;
        }

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

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

            #endregion

            try
            {
                dailyOTProcesses = Service.Get();
            }
            catch (ServiceException e)
            {
                throw new Exception(e.Message, e);
            }

            #region Cache Footer

            _cache.Add(dailyOTProcesses, "Get");

            #endregion

            return dailyOTProcesses;
        }

        public ID Save()
        {
            return DailyOTProcess.Service.Save(this);
        }

        public void Save(ObjectsTemplate<DailyOTProcess> oDailyOTProcesses)
        {

            DailyOTProcess.Service.Save(oDailyOTProcesses);
        }
        public void Delete()
        {
            DailyOTProcess.Service.Delete(ID);
        }
        #endregion

    }
    #endregion

    #region IDailyOTProcess Service

    public interface IDailyOTProcessService
    {
        DailyOTProcess Get(ID id);
        ObjectsTemplate<DailyOTProcess> Get();
        ID Save(DailyOTProcess item);
        void Save(ObjectsTemplate<DailyOTProcess> oDailyOTProcesses);
        void Delete(ID id);
    }

    #endregion
}