using System;
using System.Linq;
using System.Data;

using System.Collections.Generic;

namespace HRM.BO

{
    public class EmpChangeDesignation : AuditTrailBase
    {

        public EmpChangeDesignation()
        {
            EmployeeID = 0;
            DesignationID = 0;
            IsArrear = false;
            NewJoiner = false;
            Franctionate = 0;
            GradeID = 0;
        }

        public int EmployeeID { get; set; }
        public DateTime EffectDateFrom { get; set; }
        public DateTime EffectedDateTo { get; set; }
        public int DesignationID { get; set; }
        public double BasicSalary { get; set; }
        public string Remarks { get; set; }

        public bool IsArrear { get; set; }
        public bool NewJoiner { get; set; }
        public double Franctionate { get; set; }
        public int GradeID { get; set; }


        /// <summary>
        /// if employee is null, do the process for all employee's 
        /// </summary>
        /// 
        //public List<EmpChangeDesignation> DesignationAttachment(Employee emp)
        //{
        //    List<SalaryMonthly> lastmonthsalaries = new List<SalaryMonthly>();
        //    lastmonthsalaries = SalaryMonthly.Get(emp.ID.ToString(), Payroll.BO.SystemInformation.CurrentSysInfo.LastPayProcessDate);
        //    List<SalaryMonthly> CurrentMonth = new List<SalaryMonthly> ();
        //    CurrentMonth.Add(new SalaryMonthly());
        //    CurrentMonth[0].EmployeeID= emp.ID;

        //    DesignationAttachment(lastmonthsalaries,CurrentMonth);

        //    return CurrentMonth[0].DesignationChanges;
        //}
        //public void DesignationAttachment( List<SalaryMonthly> lastmonthsalaries, List<SalaryMonthly> CurrentSalaries)
        //{
        //    #region Designation change in fraction month

            
        //    List<EmpLifeCycle> empLifecycles = EmpLifeCycle.GetByCreateDate(SystemInformation.CurrentSysInfo.LastPayProcessDate, SystemInformation.CurrentSysInfo.NextPayProcessDate);



        //    var emplifecycles = empLifecycles.Where(x => x.DesignationID != null)
        //                                            .GroupBy(x => x.EmployeeID.Integer)
        //                                            .Select(x => new { EmployeeID = x.Key }).ToList();


        //    foreach (var lEntry in emplifecycles)
        //    {
        //        List<EmpChangeDesignation> empdngs = new List<EmpChangeDesignation>();
        //        List<EmpLifeCycle> empCount = empLifecycles.Where(x => x.EmployeeID.Integer == (int)lEntry.EmployeeID && x.DesignationID != null).ToObjectsTemplate();
        //        SalaryMonthly omonthyly = CurrentSalaries.FirstOrDefault(x => x.EmployeeID.Integer == lEntry.EmployeeID);
        //        if (omonthyly == null) continue;
        //        empdngs = new List<EmpChangeDesignation>();
        //        int count = 0;
        //        foreach (EmpLifeCycle item in empCount)
        //        {
        //            if (item.DesignationID == null) continue;
        //            bool Isnew = !lastmonthsalaries.Exists(x => x.EmployeeID.Integer == item.EmployeeID.Integer);

        //            count = count + 1;
        //            if (empCount.Count > count)
        //                if (empCount.GetRange(count, empCount.Count - count).Any(x => x.EffectDate == item.EffectDate) == true) continue;

        //            if (item.EffectDate < PayrollPayrollGlobalFunctions.PayrollFirstDateOfMonth(SystemInformation.CurrentSysInfo.NextPayProcessDate))
        //            {
        //                if (item.EffectDate == GlobalExtensions.PayrollFirstDateOfMonth(item.EffectDate))
        //                {
        //                    EmpChangeDesignation ecd = new EmpChangeDesignation();
        //                    ecd.EmployeeID = ID.FromInteger(lEntry.EmployeeID);
        //                    ecd.DesignationID = (Isnew == true) ? omonthyly.DesignationID : lastmonthsalaries.FirstOrDefault(x => x.EmployeeID.Integer == item.EmployeeID.Integer).DesignationID;
        //                    ecd.EffectDateFrom = item.EffectDate;
        //                    ecd.EffectedDateTo = SystemInformation.CurrentSysInfo.LastPayProcessDate;
        //                  //  ecd.GradeID = (Isnew == true) ? omonthyly.GradeID : lastmonthsalaries.FirstOrDefault(x => x.EmployeeID.Integer == item.EmployeeID.Integer).GradeID; ;
        //                    ecd.GradeID = (item.GradeID == null) ? omonthyly.GradeID : item.GradeID; 
        //                    ecd.Franctionate = Payroll.BO.PayrollPayrollGlobalFunctions.GetFraction(ecd.EffectDateFrom, ecd.EffectedDateTo);
        //                    ecd.IsArrear = true;
        //                    ecd.NewJoiner = Isnew;
        //                    empdngs.Add(ecd);
        //                }
        //                else
        //                {

        //                    if (Isnew == false)
        //                    {
        //                        EmpChangeDesignation ecd1 = new EmpChangeDesignation();
        //                        ecd1.EmployeeID = ID.FromInteger(lEntry.EmployeeID);
        //                        ecd1.DesignationID =  lastmonthsalaries.FirstOrDefault(x => x.EmployeeID.Integer == item.EmployeeID.Integer).DesignationID;
        //                        ecd1.EffectDateFrom = GlobalExtensions.PayrollFirstDateOfMonth(item.EffectDate);
        //                        ecd1.EffectedDateTo = item.EffectDate.AddDays(-1);
        //                        ecd1.Franctionate = Payroll.BO.PayrollPayrollGlobalFunctions.GetFraction(ecd1.EffectDateFrom, ecd1.EffectedDateTo);
        //                        ecd1.IsArrear = true;
        //                        ecd1.NewJoiner = Isnew;
        //                        ecd1.GradeID = (item.GradeID == null) ? omonthyly.GradeID : item.GradeID;
        //                        empdngs.Add(ecd1);
        //                    }

        //                    EmpChangeDesignation ecd2 = new EmpChangeDesignation();
        //                    ecd2.EmployeeID = ID.FromInteger(lEntry.EmployeeID);
        //                    ecd2.DesignationID = item.DesignationID;
        //                    ecd2.EffectDateFrom = item.EffectDate;
        //                    ecd2.EffectedDateTo = SystemInformation.CurrentSysInfo.LastPayProcessDate;
        //                    ecd2.Franctionate = Payroll.BO.PayrollPayrollGlobalFunctions.GetFraction(ecd2.EffectDateFrom, ecd2.EffectedDateTo);
        //                    ecd2.IsArrear = true;
        //                    ecd2.NewJoiner = Isnew;
        //                    ecd2.GradeID = (item.GradeID == null) ? omonthyly.GradeID : item.GradeID;
        //                    empdngs.Add(ecd2);
        //                }

        //                if (count == empCount.Count)
        //                {
        //                    EmpChangeDesignation ecd3 = new EmpChangeDesignation();
        //                    ecd3.EmployeeID = ID.FromInteger(lEntry.EmployeeID);
        //                    ecd3.DesignationID = item.DesignationID;
        //                    ecd3.EffectDateFrom = PayrollPayrollGlobalFunctions.PayrollFirstDateOfMonth(SystemInformation.CurrentSysInfo.NextPayProcessDate);
        //                    ecd3.EffectedDateTo = SystemInformation.CurrentSysInfo.NextPayProcessDate;
        //                    ecd3.Franctionate = Payroll.BO.PayrollPayrollGlobalFunctions.GetFraction(ecd3.EffectDateFrom, ecd3.EffectedDateTo);
        //                    ecd3.GradeID = (item.GradeID == null) ? omonthyly.GradeID : item.GradeID;

        //                    empdngs.Add(ecd3);
        //                }

        //            }
        //            else if (item.EffectDate > PayrollPayrollGlobalFunctions.PayrollFirstDateOfMonth(SystemInformation.CurrentSysInfo.NextPayProcessDate))
        //            {

        //                if (Isnew == false)
        //                {
        //                    EmpChangeDesignation ecd4 = new EmpChangeDesignation();
        //                    ecd4.EmployeeID = ID.FromInteger(lEntry.EmployeeID);
        //                    ecd4.DesignationID = (Isnew == true) ? omonthyly.DesignationID : lastmonthsalaries.FirstOrDefault(x => x.EmployeeID.Integer == item.EmployeeID.Integer).DesignationID;
        //                    ecd4.EffectDateFrom = GlobalExtensions.PayrollFirstDateOfMonth(SystemInformation.CurrentSysInfo.NextPayProcessDate);
        //                    ecd4.EffectedDateTo = item.EffectDate.AddDays(-1);
        //                    ecd4.Franctionate = Payroll.BO.PayrollPayrollGlobalFunctions.GetFraction(ecd4.EffectDateFrom, ecd4.EffectedDateTo);
        //                    ecd4.GradeID = (item.GradeID == null) ? omonthyly.GradeID : lastmonthsalaries.FirstOrDefault(x => x.EmployeeID.Integer == item.EmployeeID.Integer).GradeID; ; ;
        //                    empdngs.Add(ecd4);
        //                }

        //                EmpChangeDesignation ecd5 = new EmpChangeDesignation();
        //                ecd5.EmployeeID = ID.FromInteger(lEntry.EmployeeID);
        //                ecd5.DesignationID = item.DesignationID;
        //                ecd5.EffectDateFrom = item.EffectDate;
        //                ecd5.EffectedDateTo = SystemInformation.CurrentSysInfo.NextPayProcessDate;
        //                ecd5.Franctionate = Payroll.BO.PayrollPayrollGlobalFunctions.GetFraction(ecd5.EffectDateFrom, ecd5.EffectedDateTo);
        //                ecd5.GradeID = (item.GradeID == null) ? omonthyly.GradeID : item.GradeID;


        //                empdngs.Add(ecd5);
        //            }
        //            else
        //            {
        //                if (count == empCount.Count)
        //                {
        //                    EmpChangeDesignation ecd4 = new EmpChangeDesignation();
        //                    ecd4.EmployeeID = ID.FromInteger(lEntry.EmployeeID);
        //                    ecd4.DesignationID = item.DesignationID;
        //                    ecd4.EffectDateFrom = item.EffectDate;
        //                    ecd4.GradeID = (item.GradeID == null) ? omonthyly.GradeID : item.GradeID;
        //                    ecd4.EffectedDateTo = SystemInformation.CurrentSysInfo.NextPayProcessDate;
        //                    ecd4.Franctionate = Payroll.BO.PayrollPayrollGlobalFunctions.GetFraction(ecd4.EffectDateFrom, ecd4.EffectedDateTo);
        //                    empdngs.Add(ecd4);
        //                }
        //            }
        //        }

        //        SalaryMonthly osalary = CurrentSalaries.FirstOrDefault(x => x.EmployeeID.Integer == lEntry.EmployeeID);
        //        if (osalary != null) osalary.DesignationChanges = empdngs;
        //    }
        //    #endregion
        //}
    }
}