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

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

        #region Constructor
        public BudgetComponent()
        {
            _basedOn = EnumBasedOnPercent.None;
            _budgetID = null;
            _componentType = EnumBudgetComponent.None;
            _flatAmount = 0;
            _name = string.Empty;
            _originID = null;
            _parameterID = null;
            _percentage = 0;
            _periodicity = 0;
            _taxable = false;
            _payrollTypeID = null;

            #region Child Variables

            _oBudgetComponentIndivisuals = null;
            _oBudgetComponentGrades = null;

            #endregion
        }
        #endregion

        #region Properties

        #region Parent Properties

        #region BasedOn : EnumBasedOnPercent
        private EnumBasedOnPercent _basedOn;
        public EnumBasedOnPercent BasedOn
        {
            get { return _basedOn; }
            set { _basedOn = value; }
        }
        #endregion

        #region BudgetID : ID
        private ID _budgetID;
        public ID BudgetID
        {
            get { return _budgetID; }
            set { _budgetID = value; }
        }
        #endregion

        #region PayrollTypeID : ID
        private ID _payrollTypeID;
        public ID PayrollTypeID
        {
            get { return _payrollTypeID; }
            set { _payrollTypeID = value; }
        }
        #endregion

        #region ComponentType : EnumBudgetComponent
        private EnumBudgetComponent _componentType;
        public EnumBudgetComponent ComponentType
        {
            get { return _componentType; }
            set { _componentType = value; }
        }
        #endregion

        #region FlatAmount : double
        private double _flatAmount;
        public double FlatAmount
        {
            get { return _flatAmount; }
            set { _flatAmount = value; }
        }
        #endregion

        #region Name : string
        private string _name;
        public string Name
        {
            get { return _name; }
            set { _name = value; }
        }
        #endregion

        #region OriginID : ID
        private ID _originID;
        public ID OriginID
        {
            get { return _originID; }
            set { _originID = value; }
        }
        #endregion

        #region ParameterID : ID
        private ID _parameterID;
        public ID ParameterID
        {
            get { return _parameterID; }
            set { _parameterID = value; }
        }
        #endregion

        #region Percentage : double
        private double _percentage;
        public double Percentage
        {
            get { return _percentage; }
            set { _percentage = value; }
        }
        #endregion

        #region Periodicity : double
        private double _periodicity;
        public double Periodicity
        {
            get { return _periodicity; }
            set { _periodicity = value; }
        }
        #endregion

        #region Taxable : bool
        private bool _taxable;
        public bool Taxable
        {
            get { return _taxable; }
            set { _taxable = value; }
        }
        #endregion
        #region IndivisuallyDefined : bool
        private bool _indivisuallyDefined;
        public bool IndivisuallyDefined
        {
            get { return _indivisuallyDefined; }
            set { _indivisuallyDefined = value; }
        }
        #endregion

        #region allowanceDeduction : AllowanceDeduction

        private AllowanceDeduction _allowanceDeduction;
        public AllowanceDeduction AllowanceDeduction
        {
            get
            {
                if (_originID.Integer > 0 && _allowanceDeduction == null)
                {
                    _allowanceDeduction = new AllowanceDeduction();
                    _allowanceDeduction = AllowanceDeduction.Get(_originID);
                }
                return this._allowanceDeduction;
            }
            set
            {
                _allowanceDeduction = value;
            }
        }
        #endregion
 
        #endregion

        #region Child Properties

        #region BudgetComponentIndivisual Property
        private ObjectsTemplate<BudgetComponentIndivisual> _oBudgetComponentIndivisuals;
        public ObjectsTemplate<BudgetComponentIndivisual> OBudgetComponentIndivisuals
        {
            get
            {
                if (_oBudgetComponentIndivisuals == null)
                {
                    //_oBudgetComponentIndivisuals = new ObjectsTemplate<BudgetComponentIndivisual>();
                    //if (!this.ID.IsUnassigned && _oBudgetComponentIndivisuals.Count>=0)
                    //{
                    //    if (this.ID.Integer > 0)
                    //        _oBudgetComponentIndivisuals = Service.GetBudgetComponentIndivisuals(this.ID);
                    //}
                    _oBudgetComponentIndivisuals = new ObjectsTemplate<BudgetComponentIndivisual>();
                }
                return _oBudgetComponentIndivisuals;
            }
            set { _oBudgetComponentIndivisuals = value; }
        }
        #endregion

        #region BudgetComponentGrade Property
        private ObjectsTemplate<BudgetComponentGrade> _oBudgetComponentGrades;
        public ObjectsTemplate<BudgetComponentGrade> OBudgetComponentGrades
        {
            get
            {
                if (_oBudgetComponentGrades == null)
                {
                    _oBudgetComponentGrades = new ObjectsTemplate<BudgetComponentGrade>();
                    //if (!this.ID.IsUnassigned)
                    //    _oBudgetComponentGrades = Service.GetBudgetComponentGrades(this.ID);
                }
                return _oBudgetComponentGrades;
            }
            set { _oBudgetComponentGrades = value; }
        }
        #endregion

        #endregion
       
        #endregion

        public double CalculateAmount(Employee oEmp)
        {
            double amount = 0;

            switch (_basedOn)
            {
                case EnumBasedOnPercent.None:
                    break;
                case EnumBasedOnPercent.Basic:
                    amount = this.FlatAmount + (this.Percentage * oEmp.BasicSalary) / 100;
                    break;
                case EnumBasedOnPercent.Base:
                    amount = 0;//(this.Percentage * oEmp.GrossSalary) / 100;
                    break;
                case EnumBasedOnPercent.Gross:
                    amount = this.FlatAmount + (this.Percentage * oEmp.GrossSalary) / 100;
                    break;
                case EnumBasedOnPercent.Fixed_Amount:
                    amount = this.FlatAmount;
                    break;
                default:
                    break;
            }            
            return amount;
        }
        public double CalculateExceptionAmount(Employee oEmp, DateTime processMonth)
        {
            double amount = 0;

            switch (_basedOn)
            {
                case EnumBasedOnPercent.None:
                    break;
                case EnumBasedOnPercent.Basic:
                    if (this.IndivisuallyDefined)
                    {
                        amount = GetIndvAmt(processMonth, oEmp.BasicSalary);
                    }
                    if(amount==0)
                        amount = this.FlatAmount + (this.Percentage * oEmp.BasicSalary) / 100;
                    break;
                case EnumBasedOnPercent.Base:
                    amount = 0;//(this.Percentage * oEmp.GrossSalary) / 100;
                    break;
                case EnumBasedOnPercent.Gross:
                    if (this.IndivisuallyDefined)
                    {
                        amount = GetIndvAmt(processMonth, oEmp.GrossSalary);
                    }
                    if (amount == 0)
                        amount = this.FlatAmount + (this.Percentage * oEmp.GrossSalary) / 100;
                    break;
                case EnumBasedOnPercent.Fixed_Amount:
                    amount = this.FlatAmount;
                    break;
                default:
                    break;

            }
            if (!this.IndivisuallyDefined)
            {
                if(GetExceptionAmt(oEmp)!=0)
                    amount = GetExceptionAmt(oEmp);
                if (GetNotAppAmt(oEmp) != null)
                    amount = 0;
            }
            return amount;
        }
        private double GetIndvAmt(DateTime dMonth,double nAmount)
        {
            double amount = 0.0;
            BudgetComponentIndivisual budIndv = this.OBudgetComponentIndivisuals.Find(delegate(BudgetComponentIndivisual item) { return item.FromDate.Date >= dMonth.Date && item.ToDate.Date <= dMonth.Date && item.DetailType == EnumADEmpType.AppliedToIndividual; });
            if (budIndv != null)
            {
                if (budIndv.ValueType == EnumValueType.Amount)
                {
                    amount = budIndv.Amount;
                }
                else
                {
                    amount = (budIndv.Amount * nAmount) / 100;
                }
            }
            return amount;
        }
        private double GetExceptionAmt(Employee oEmp)
        {
            double amount = 0.0;
            BudgetComponentIndivisual budIndv = this.OBudgetComponentIndivisuals.Find(delegate(BudgetComponentIndivisual item) { return item.EmployeeID==oEmp.ID && item.DetailType==EnumADEmpType.Exception; });
            if (budIndv != null)
            {
                if (budIndv.ValueType == EnumValueType.Amount)
                {
                    amount = budIndv.Amount;
                }
                else
                {
                    amount = (oEmp.BasicSalary * budIndv.Amount) / 100;
                }
            }
            return amount;
        }
        private BudgetComponentIndivisual GetNotAppAmt(Employee oEmp)
        {            
            BudgetComponentIndivisual budIndv = this.OBudgetComponentIndivisuals.Find(delegate(BudgetComponentIndivisual item) { return item.EmployeeID == oEmp.ID && item.DetailType == EnumADEmpType.NotApplicable; });
            return budIndv;
        }

        #region Function(s)

        #region Get

        public static BudgetComponent Get(ID nID)
        {
            BudgetComponent oBudgetComponent = null;
            #region Cache Header
            oBudgetComponent = (BudgetComponent)_cache["Get", nID];
            if (oBudgetComponent != null)
                return oBudgetComponent;
            #endregion

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

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

        public static ObjectsTemplate<BudgetComponent> Get()
        {

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

            try
            {
                oBudgetComponents = Service.Get();

            }
            catch (ServiceException e)
            {

                throw new Exception(e.Message, e);
            }
            #region Cache Footer
            _cache.Add(oBudgetComponents, "Get");
            #endregion

            return oBudgetComponents;
        }
        public static ObjectsTemplate<BudgetComponent> Get(int BudgetID)
        {

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

            try
            {
                oBudgetComponents = Service.Get(BudgetID);

            }
            catch (ServiceException e)
            {

                throw new Exception(e.Message, e);
            }
            #region Cache Footer
            _cache.Add(oBudgetComponents, "Get");
            #endregion

            return oBudgetComponents;
        }

        #endregion

        #region Save
        public ID Save()
        {
            //SetAuditTrailProperties();
            return Service.Save(this);
        }
        #endregion

        #region Delete
        public void Delete(ID id)
        {
            Service.Delete(id);

        }
        #endregion

        #endregion

        #region Service Factory 

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

        #endregion
    }
    #endregion

    #region child Objects

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

        #region Constructor
        public BudgetComponentIndivisual()
        {
            _amount = 0;
            _budgetComponentID = null;
            _employeeID = null;
            _detailType = EnumADEmpType.AppliedToIndividual; 
            _fromDate = DateTime.MinValue;
            _toDate = DateTime.MinValue;
            _valueType = EnumValueType.Amount;
        }
        #endregion

        #region Properties

        #region Amount : double
        private double _amount;
        public double Amount
        {
            get { return _amount; }
            set { _amount = value; }
        }
        #endregion

        #region BudgetComponentID : ID
        private ID _budgetComponentID;
        public ID BudgetComponentID
        {
            get { return _budgetComponentID; }
            set { _budgetComponentID = value; }
        }
        #endregion

        #region DetailType : EnumBudgetDetailType
        private EnumADEmpType _detailType;
        public EnumADEmpType DetailType
        {
            get { return _detailType; }
            set { _detailType = value; }
        }
        #endregion

        #region EmployeeID : ID
        private ID _employeeID;
        public ID EmployeeID
        {
            get { return _employeeID; }
            set { _employeeID = value; }
        }
        #endregion

        #region FromDate : DateTime
        private DateTime _fromDate;
        public DateTime FromDate
        {
            get { return _fromDate; }
            set { _fromDate = value; }
        }
        #endregion

        #region ToDate : DateTime
        private DateTime _toDate;
        public DateTime ToDate
        {
            get { return _toDate; }
            set { _toDate = value; }
        }
        #endregion

        #region ValueType : EnumValueType
        private EnumValueType _valueType;
        public EnumValueType ValueType
        {
            get { return _valueType; }
            set { _valueType = value; }
        }
        #endregion      
      
        #region Employee : Employee

        private Employee _employee;
        public Employee Employee
        {
            get
            {
                if (_employeeID != null)
                {
                    if (_employee == null && !_employeeID.IsUnassigned)
                    {
                        _employee = new Employee();
                        _employee = Employee.Get(_employeeID);
                    }
                }
                return this._employee;
            }
            set
            {
                _employee = value;
            }
        }
        #endregion
        #endregion
    }
    #endregion

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

        #region Constructor
        public BudgetComponentGrade()
        {
            _budgetComponentID = null;
            _gradeID = null;
        }
        #endregion

        #region Properties

        #region BudgetComponentID : ID
        private ID _budgetComponentID;
        public ID BudgetComponentID
        {
            get { return _budgetComponentID; }
            set { _budgetComponentID = value; }
        }
        #endregion

        #region GradeID : ID
        private ID _gradeID;
        public ID GradeID
        {
            get { return _gradeID; }
            set { _gradeID = value; }
        }

        #endregion

        #endregion
    }
    #endregion

    #endregion

    #region IBudgetComponentService
    public interface IBudgetComponentService
    {
        #region parent's function definition
        BudgetComponent Get(ID nID);
        ObjectsTemplate<BudgetComponent> Get();
        ObjectsTemplate<BudgetComponent> Get(int BudgetID);
        ID Save(BudgetComponent item);
        void Delete(ID nID);
        #endregion

        #region child's function Definition
        ObjectsTemplate<BudgetComponentIndivisual> GetBudgetComponentIndivisuals(ID id);
        ObjectsTemplate<BudgetComponentGrade> GetBudgetComponentGrades(ID id);
        #endregion

    }
    #endregion
}