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

namespace Payroll.BO
{
    #region Class EmployeeRequisition
    [Serializable]
    public class EmployeeRequisition : AuditTrailBase
    {
        #region Cache Store
        private static Cache _cache = new Cache(typeof(EmployeeRequisition));
        #endregion

        #region Constructor

        public EmployeeRequisition()
        {
            DepartmentID = null;
            RequisitionDate = DateTime.Now;
            Position = string.Empty;
            GradeID = null;
            MaxEmployee = 0;
            BasicPay = string.Empty;
            JobDescription = string.Empty;
            Justification = string.Empty;
            Academic = string.Empty;
            Technical = string.Empty;
            Age = string.Empty;
            Experience = string.Empty;
            Gender = EnumGender.Male;
            Areas = string.Empty;
            OtherRequirements = string.Empty;
            Status = EnumEmpReqStatus.RM;
            IsCompleted = false;
            IsHeadCount = true;
            _requisitionUsers = null;
        }

        #endregion

        #region Properties

        #region Property DepartmentID : ID

        private ID _departmentID;
        public ID DepartmentID
        {
            get
            {
                return _departmentID;
            }
            set
            {
                _departmentID = value;
            }
        }

        #endregion

        #region Property RequisitionDate : DateTime

        private DateTime _requisitionDate;

        public DateTime RequisitionDate
        {
            get
            {
                return _requisitionDate;
            }
            set
            {
                _requisitionDate = value;
            }
        }

        #endregion

        #region Property Position : string

        private string _position;

        public string Position
        {
            get
            {
                return _position;
            }
            set
            {
                _position = value;

            }
        }

        #endregion

        #region Property GradeID : ID

        private ID _gradeID;

        public ID GradeID
        {
            get
            {

                return _gradeID;
            }
            set
            {
                _gradeID = value;

            }
        }

        #endregion

        #region Property MaxEmployee : Decimal

        private Decimal _maxEmployee;

        public Decimal MaxEmployee
        {
            get
            {

                return _maxEmployee;
            }
            set
            {
                _maxEmployee = value;

            }
        }

        #endregion

        #region Property BasicPay : string

        private string _basicPay;

        public string BasicPay
        {
            get { return _basicPay; }
            set { _basicPay = value; }
        }

        #endregion

        #region Property JobDescription : string

        private string _jobDescription;

        public string JobDescription
        {
            get { return _jobDescription; }
            set { _jobDescription = value; }
        }

        #endregion

        #region Property Justification : string

        private string _justification;

        public string Justification
        {
            get { return _justification; }
            set { _justification = value; }
        }

        #endregion

        #region Property Academic : string

        private string _academic;

        public string Academic
        {
            get { return _academic; }
            set { _academic = value; }
        }

        #endregion

        #region Property Technical : string

        private string _technical;

        public string Technical
        {
            get { return _technical; }
            set { _technical = value; }
        }

        #endregion

        #region Property Age : string

        private string _age;

        public string Age
        {
            get { return _age; }
            set { _age = value; }
        }

        #endregion

        #region Property Experience : string

        private string _experience;

        public string Experience
        {
            get { return _experience; }
            set { _experience = value; }
        }

        #endregion

        #region Property Gender : EnumGender

        private EnumGender _gender;

        public EnumGender Gender 
        {
            get { return _gender; }
            set { _gender = value; }
        }

        #endregion

        #region Property Areas : string

        private string _areas;

        public string Areas
        {
            get { return _areas; }
            set { _areas = value; }
        }

        #endregion

        #region Property OtherRequirements : string

        private string _otherRequirements;

        public string OtherRequirements
        {
            get { return _otherRequirements; }
            set { _otherRequirements = value; }
        }

        #endregion

        #region Property Status : EnumEmpReqStatus

        private EnumEmpReqStatus _status;

        public  EnumEmpReqStatus Status
        {
            get { return _status; }
            set { _status = value; }
        }

        #endregion

        #region Property IsCompleted : bool

        private bool _isCompleted;

        public bool IsCompleted
        {
            get { return _isCompleted; }
            set { _isCompleted = value; }
        }

        #endregion

        #region Property IsHeadCount : bool

        private bool _isHeadCount;

        public bool IsHeadCount
        {
            get { return _isHeadCount; }
            set { _isHeadCount = value; }
        }

        #endregion

        #region Property RequisitionUsers : ObjectsTemplate<RequisitionUser>

        private ObjectsTemplate<RequisitionUser> _requisitionUsers;

        public ObjectsTemplate<RequisitionUser> RequisitionUsers
        {
            get
            {
                if (_requisitionUsers == null && !this.ID.IsUnassigned && this.ID.Integer > 0)
                {
                    _requisitionUsers = Service.GetRequisitionUserByEmpRequisitionID(this.ID.Integer);
                }
                return _requisitionUsers;
            }
            set
            {
                _requisitionUsers = value;
            }
        }

        #endregion

        #endregion

        #region Functions

        public static EmployeeRequisition Get(int empReqID)
        {
            EmployeeRequisition oEmployeeRequisition;
            
            #region Cache Header
            oEmployeeRequisition = (EmployeeRequisition)_cache["Get", empReqID];
            if (oEmployeeRequisition != null)
                return oEmployeeRequisition;
            #endregion

            oEmployeeRequisition = Service.Get(empReqID);
            
            #region Cache Footer
            _cache.Add(oEmployeeRequisition, "Get", empReqID);
            #endregion

            return oEmployeeRequisition;
        }
        public void RequisitionDeclinedByHR()
        {
            Service.RequisitionDeclinedByHR(this);

        }
        public static ObjectsTemplate<EmployeeRequisition> Get()
        {
            ObjectsTemplate<EmployeeRequisition> oEmployeeRequisitions = null;
            #region Cache Header
            oEmployeeRequisitions = (ObjectsTemplate<EmployeeRequisition>)_cache["Get"];
            if (oEmployeeRequisitions != null)
                return oEmployeeRequisitions;
            #endregion
            oEmployeeRequisitions = Service.Get();
            #region Cache Footer
            _cache.Add(oEmployeeRequisitions, "Get");
            #endregion
            return oEmployeeRequisitions;
        }

        public static ObjectsTemplate<EmployeeRequisition> GetByDepartment(int departmentID)
        {
            ObjectsTemplate<EmployeeRequisition> oEmployeeRequisitions = null;
            #region Cache Header
            oEmployeeRequisitions = (ObjectsTemplate<EmployeeRequisition>)_cache["GetByDepartment", departmentID];
            if (oEmployeeRequisitions != null)
                return oEmployeeRequisitions;
            #endregion
            oEmployeeRequisitions = Service.GetByDepartment(departmentID);
            #region Cache Footer
            _cache.Add(oEmployeeRequisitions, "GetByDepartment", departmentID);
            #endregion
            return oEmployeeRequisitions;
        }

        public static DataTable GetEmployeeRequisitionsByDepartmentID(ID departmentID,EnumEmpReqStatus reqStatus)
        {
            DataTable oDesignationDt = null;
            oDesignationDt = Service.GetEmployeeRequisitionsByDepartmentID(departmentID,reqStatus);
            return oDesignationDt;
        }

        public static DataTable GetEmployeeRequisitionsForCEO()
        {
            DataTable oDesignationDt = null;
            oDesignationDt = Service.GetEmployeeRequisitionsForCEO();
            return oDesignationDt;
        }
        public void RequisitionDeclinedByCEO()
        {
            Service.RequisitionDeclinedByCEO(this);
         
        }

        public ID Save()
        {
            this.SetAuditTrailProperties();
            return Service.Save(this);
        }
        public void ChangeStatus(int empID, EnumEmpReqStatus enumEmpReqStatus)
        {
            Service.ChangeStatus(this, empID, enumEmpReqStatus);
        }
        public void Delete()
        {
            Service.Delete(this.ID.Integer);
        }
        public static DataTable GetEmployeeRequisitionsForHR()
        {
            DataTable oDesignationDt = null;
            oDesignationDt = Service.GetEmployeeRequisitionsForHR();
            return oDesignationDt;
        }
        #endregion

        #region Service Factory
        internal static IEmployeeRequisitionService Service
        {
            get
            {
                return Services.Factory.CreateService<IEmployeeRequisitionService>(typeof(IEmployeeRequisitionService));
            }
        }
        #endregion



        
    }

    #endregion

    #region Child Classes

    [Serializable]
    public class RequisitionUser : BasicBaseObject
    {
        #region Cache Store
        private static Cache _cache = new Cache(typeof(RequisitionUser));
        #endregion

        #region Constructor
        public RequisitionUser()
        {
            EmpRequisitionID = null;
            EmployeeID = null;
            Status = EnumEmpReqStatus.RM;
            ChangeDate = DateTime.Now;
            ChangeString = string.Empty;
            Remarks = string.Empty;
        }
        #endregion

        #region Properties

        #region Property EmpRequisitionID :ID
        private ID _empRequisitionID;
        public ID EmpRequisitionID
        {
            get
            {
                return _empRequisitionID;
            }
            set
            {
                _empRequisitionID = value;
            }
        }
        #endregion

        #region Property EmployeeID : ID

        private ID _employeeID;
        public ID EmployeeID
        {
            get
            {
                return _employeeID;
            }
            set
            {
                _employeeID = value;
            }
        }

        #endregion

        #region Property Status : EnumEmpReqStatus

        private EnumEmpReqStatus _status;

        public EnumEmpReqStatus Status
        {
            get { return _status; }
            set { _status = value; }
        }

        #endregion

        #region Property ChangeDate : dateTime

        private DateTime _changeDate;

        public DateTime ChangeDate
        {
            get
            {
                return _changeDate;
            }
            set
            {
                _changeDate = value;

            }
        }

        #endregion

        #region Property ChangeString : string

        private string _changeString;

        public string ChangeString
        {
            get
            {
                return _changeString;
            }
            set
            {
                _changeString = value;

            }
        }

        #endregion

        #region Property Remarks : string

        private string _remarks;

        public string Remarks
        {
            get
            {
                return _remarks;
            }
            set
            {
                _remarks = value;

            }
        }

        #endregion

        #endregion

    }

    #endregion

    #region IEmployeeRequisitionService Service
    public interface IEmployeeRequisitionService
    {
        EmployeeRequisition Get(int empReqID);
        ObjectsTemplate<EmployeeRequisition> Get();
        ObjectsTemplate<EmployeeRequisition> GetByDepartment(int departmentID);
        ID Save(EmployeeRequisition oEmployeeRequisition);
        void Delete(int ID);
        ObjectsTemplate<RequisitionUser> GetRequisitionUserByEmpRequisitionID(int reqID);
        void ChangeStatus(EmployeeRequisition employeeRequisition, int empID, EnumEmpReqStatus enumEmpReqStatus);

        DataTable GetEmployeeRequisitionsByDepartmentID(ID departmentID, EnumEmpReqStatus reqStatus);

        DataTable GetEmployeeRequisitionsForCEO();
        DataTable GetEmployeeRequisitionsForHR();
        void RequisitionDeclinedByCEO(EmployeeRequisition employeeRequisition);
        void RequisitionDeclinedByHR(EmployeeRequisition employeeRequisition);
    }
    #endregion
}