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

namespace Payroll.BO
{
    [Serializable]
    public class CarFuelExceptionCalculator
    {
        private int _CarFuelLFA = 1;
        private int _CarFuelUtility = 11;
        private int _CarFuelKpi = 4;
        private int _CarFuelPTI = 25;

        public CarFuelExceptionCalculator()
        {

        }
        /// <summary>
        ///
        // find the employee is applicable for KPI

        // if Kpi eligible, find out LFA and unitilty monthlyAmount from CarFuel Process detail Item
        // KPI = LFA + Utility + (2100 percent basic)/12

        // No_of_paid_month = Jan to Next_Pay_Process_Month 
        // paidAmount= get cumalative monthlyAmount on month range
        // net_Amount= KPI + {(No_of_paid_month * KPI) - paidAmount}

        // find the KPI paramter for percent of base/gross
        // do percent of Net_amount;
        // update CarFuelprocessdetailItem of kpi

        /// </summary>
        /// <param name="oprocess"></param>
        public void CalculationException(ObjectsTemplate<CarFuelProcessDetail> oprocessdetails, DateTime CarFuelMonth, ObjectsTemplate<ITEmpHead> oComCars)
        {
             ObjectsTemplate<CarFuelParameter> _CarFuelParameters = CarFuelParameter.Get(EnumStatus.Active);
            
           
            if (_CarFuelParameters == null || _CarFuelParameters.Count == 0) return;
            CarFuelParameter paramter = new CarFuelParameter();
            ObjectsTemplate<CarFuelParameter> parameters;
            CarFuelParameter parameter = null;
            
           
            double nAmount = 0;
            foreach(CarFuelProcessDetail odetail in oprocessdetails)
            {
                parameters = paramter.ApplicableParameters(odetail.Employee, odetail, _CarFuelParameters, odetail.GradeSalaries);
                if (parameters == null || parameters.Count==0) continue;
                parameter = parameters[0];
                nAmount = 0;
                ITEmpHead car = oComCars.Find(x => x.EmployeeID == odetail.EmployeeID && (CarFuelMonth >= x.StartDate && CarFuelMonth <= x.EndDate));
                if (car == null) continue;
                if (car.IsArrear == 0) continue;
                DateTime dtArrearFrom = car.StartDate;
                DateTime dtArrearTo = GlobalFunctions.FirstDateOfMonth(Payroll.BO.SystemInformation.CurrentSysInfo.NextPayProcessDate).AddDays(-1);
                if (car.StartDate < GlobalFunctions.FirstDateOfMonth(CarFuelMonth))
                {
                    while (GlobalFunctions.FirstDateOfMonth(dtArrearFrom) <= GlobalFunctions.FirstDateOfMonth(dtArrearTo))
                    {
                        int nDaysInMonth = DateTime.DaysInMonth(dtArrearFrom.Year, dtArrearFrom.Month);
                        int nActualDays = 0;
                        if ((nDaysInMonth - dtArrearFrom.Day) == 0)
                            nActualDays = nDaysInMonth;
                        else
                            nActualDays = nDaysInMonth - (dtArrearFrom.Day-1);
                        EmployeeGradeSalary egs = EmployeeGradeSalary.GetBasicOnDate(odetail.EmployeeID, dtArrearFrom);
                        if (egs != null)
                        {
                           // nAmount += (((egs.BasicSalary * parameter.PercentOfBasic) / 100) / nDaysInMonth) * nActualDays;
                            nAmount += (parameter.FlatAmount / nDaysInMonth) * nActualDays;
                        }
                        dtArrearFrom = GlobalFunctions.LastDateOfMonth(dtArrearFrom).AddMonths(1);
                    }
                    foreach (CarFuelProcessDetailItem odetailitem in odetail.CarFuelProcessDetailItems)
                    {
                        odetailitem.ChangeNetAmount += nAmount;
                    }
                }
                //if (car != null)
                //{
                //    if (car.StartDate > GlobalFunctions.FirstDateOfMonth(CarFuelMonth))
                //    {
                //        TimeSpan ts = car.StartDate - GlobalFunctions.FirstDateOfMonth(CarFuelMonth);
                //        int days = ts.Days;
                //        foreach (CarFuelProcessDetailItem odetailitem in odetail.CarFuelProcessDetailItems)
                //        {
                //            odetailitem.ChangeNetAmount = (odetailitem.ChangeNetAmount / 30) * 11;
                //        }
                //    }
                //}
            }
        }
    }
}