using Ease.Core.Model;
using System;
using System.Collections.Generic;
using System.Data;

namespace HRM.BO
{
    #region BudgetComponent BaseObject

    public class BudgetComponent : BasicBaseObject
    {
        #region Constructor

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

            #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 int _budgetID;

        public int BudgetID
        {
            get { return _budgetID; }
            set { _budgetID = value; }
        }

        #endregion

        #region PayrollTypeID : ID

        private int _payrollTypeID;

        public int 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 int _originID;

        public int OriginID
        {
            get { return _originID; }
            set { _originID = value; }
        }

        #endregion

        #region ParameterID : ID

        private int _parameterID;

        public int 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

        public AllowanceDeduction AllowanceDeduction { get; set; }

        //#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 List<BudgetComponentIndivisual> _oBudgetComponentIndivisuals;

        public List<BudgetComponentIndivisual> OBudgetComponentIndivisuals
        {
            get
            {
                if (_oBudgetComponentIndivisuals == null)
                {
                    //_oBudgetComponentIndivisuals = new List<BudgetComponentIndivisual>();
                    //if (!this.ID.IsUnassigned && _oBudgetComponentIndivisuals.Count>=0)
                    //{
                    //    if (this.ID.Integer > 0)
                    //        _oBudgetComponentIndivisuals = Service.GetBudgetComponentIndivisuals(this.ID);
                    //}
                    _oBudgetComponentIndivisuals = new List<BudgetComponentIndivisual>();
                }

                return _oBudgetComponentIndivisuals;
            }
            set { _oBudgetComponentIndivisuals = value; }
        }

        #endregion

        #region BudgetComponentGrade Property

        private List<BudgetComponentGrade> _oBudgetComponentGrades;

        public List<BudgetComponentGrade> OBudgetComponentGrades
        {
            get
            {
                if (_oBudgetComponentGrades == null)
                {
                    _oBudgetComponentGrades = new List<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(int 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 List<BudgetComponent> Get()
        //{

        //    #region Cache Header
        //    List<BudgetComponent> oBudgetComponents = _cache["Get"] as List<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 List<BudgetComponent> Get(int BudgetID)
        //{

        //    #region Cache Header
        //    List<BudgetComponent> oBudgetComponents = _cache["Get"] as List<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 int Save()
        //{
        //    //SetAuditTrailProperties();
        //    return Service.Save(this);
        //}
        //#endregion

        //#region Delete
        //public void Delete(int 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

    public class BudgetComponentIndivisual : ObjectTemplate
    {
        #region Constructor

        public BudgetComponentIndivisual()
        {
            _amount = 0;
            _budgetComponentID = 0;
            _employeeID = 0;
            _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 int _budgetComponentID;

        public int 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 int _employeeID;

        public int 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

        public Employee Employee { get; set; }

        //#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

    public class BudgetComponentGrade : ObjectTemplate
    {
        #region Constructor

        public BudgetComponentGrade()
        {
            _budgetComponentID = 0;
            _gradeID = 0;
        }

        #endregion

        #region Properties

        #region BudgetComponentID : ID

        private int _budgetComponentID;

        public int BudgetComponentID
        {
            get { return _budgetComponentID; }
            set { _budgetComponentID = value; }
        }

        #endregion

        #region GradeID : ID

        private int _gradeID;

        public int GradeID
        {
            get { return _gradeID; }
            set { _gradeID = value; }
        }

        #endregion

        #endregion
    }

    #endregion

    #endregion

    #region IBudgetComponentService

    public interface IBudgetComponentService
    {
        #region parent's function definition

        BudgetComponent Get(int nID);
        List<BudgetComponent> Get();
        List<BudgetComponent> GetWithBudgetID(int BudgetID);
        int Save(BudgetComponent item);
        void Delete(int nID);

        #endregion

        #region child's function Definition

        List<BudgetComponentIndivisual> GetBudgetComponentIndivisuals(int id);
        List<BudgetComponentGrade> GetBudgetComponentGrades(int id);

        #endregion
    }

    #endregion
}