using System;
using System.Collections.Generic;
using System.Linq;

using BeWo.Data.Access;
using BeWo.Data.Entities;
using BeWo.Service.DCEntityMapper;

using BS.Shared;
using BS.Shared.Core;
using BS.Shared.DataContracts;
using BS.Shared.DataContracts.Compact;
using BS.Shared.Extensions;
using BS.Shared.Services;
using BeWo.Service.Configuration;

namespace BeWo.Service.Plugins
{
    public class SupportConceptAnalysisCreator : AbstractIDSpecificDefaultClass<SupportConceptAnalysisCreator>
    {
        public virtual List<SupportConceptOverviewDC> GetSupportConceptAnalysis(IList<long> c2sOids, long? employeeOid, long? teamOid, DateTime? appointedDate,
            int? expiredMonths, bool showArchivedScs)
        {
            return GetSupportConceptAnalysis2(c2sOids, employeeOid, teamOid, null, appointedDate, expiredMonths, showArchivedScs);
        }

        public virtual List<SupportConceptOverviewDC> GetSupportConceptAnalysis2(IList<long> c2sOids, long? employeeOid, long? teamOid, long? catOid, DateTime? appointedDate,
            int? expiredMonths, bool showArchivedScs)
        {
            
            if (catOid.HasValue && catOid.Value > 0)
            {
                return GetSupportConceptAnalysisWithCategory(c2sOids, employeeOid, teamOid, catOid.Value, appointedDate, expiredMonths, showArchivedScs);
            }

            DateTime maxDate = appointedDate.HasValue
                ? appointedDate.Value.AddDays(1)
                : DateTime.MaxValue;

            var lResult = new List<SupportConceptOverviewDC>();

            foreach (var iCb2Sc in DAOFactory.GenericDAO.GetAllActive<CostBearer2SupportConcept>())
            {
                bool cont = AddToResult(iCb2Sc);

                if (cont)
                {
                    var calc = PluginLoader.FindClass<Calculations>(iCb2Sc.CostBearer.ID) ??
                               Calculations.GetInstance(iCb2Sc.CostBearer.ID);
                    var iDC = new SupportConceptOverviewDC();

                    iDC.ActivationType = iCb2Sc.SupportConcept.IsActive;
                    if (iDC.ActivationType == ActivationTypeId.Active &&
                        iCb2Sc.SupportConcept.Customer.IsActive != ActivationTypeId.Active)
                    {
                        iDC.ActivationType = iCb2Sc.SupportConcept.Customer.IsActive;
                    }



                    if (c2sOids != null)
                    {
                        if (!c2sOids.Contains(iCb2Sc.Oid.Value))
                        {
                            cont = false;
                        }
                    }
                    else
                    {
                        cont = (showArchivedScs && iDC.ActivationType != ActivationTypeId.Deleted) ||
                               iDC.ActivationType == ActivationTypeId.Active;

                        if (cont && teamOid != null)
                        {
                            bool isRelatedToTeam = false;

                            if (iCb2Sc.SupportConcept.Customer.Team2CustomerList.Count == 0)
                            {
                                var team = DAOFactory.GenericDAO.LoadByID<Team>(teamOid.Value);
                                Dictionary<long, long> teamMemberOidDict = new Dictionary<long, long>();

                                foreach (var member in team.MemberList)
                                {
                                    if (!teamMemberOidDict.ContainsKey(member.Oid.Value))
                                    {
                                        teamMemberOidDict.Add(member.Oid.Value, member.Oid.Value);
                                    }
                                    //if (team.Leader != null && !teamMemberOidDict.ContainsKey(team.Leader.Oid.Value))
                                    //{
                                    //    teamMemberOidDict.Add(team.Leader.Oid.Value, team.Leader.Oid.Value);
                                    //}
                                }
                                foreach (var e2c in iCb2Sc.SupportConcept.Customer.Employee2CustomerList)
                                {
                                    if (!isRelatedToTeam)
                                    {
                                        if (teamMemberOidDict.ContainsKey(e2c.EmployeeOid.Value))
                                        {
                                            isRelatedToTeam = true;
                                        }
                                    }
                                }
                            }
                            else
                            {
                                foreach (var team2Customer in iCb2Sc.SupportConcept.Customer.Team2CustomerList)
                                {
                                    if (team2Customer.TeamOid == teamOid)
                                    {
                                        isRelatedToTeam = true;
                                    }
                                }
                            }
                            if (!isRelatedToTeam)
                            {
                                cont = false;
                            }
                        }

                        if (cont && employeeOid != null && teamOid == null)
                        {
                            bool isRelatedToEmployee = false;
                            foreach (var e2c in iCb2Sc.SupportConcept.Customer.Employee2CustomerList)
                            {
                                if (!isRelatedToEmployee)
                                {
                                    if (employeeOid.Value == e2c.EmployeeOid.Value)
                                    {
                                        isRelatedToEmployee = true;
                                    }
                                }
                            }

                            if (!isRelatedToEmployee)
                            {
                                cont = false;
                            }
                        }

                        if (cont && expiredMonths.HasValue)
                        {
                            cont = iCb2Sc.EndDate.HasValue &&
                                   iCb2Sc.EndDate.Value < DateTime.Now.AddMonths(expiredMonths.Value);
                        }

                    }


                    if (cont)
                    {
                        iDC.CalculationDate = DateTime.Now.Date;
                        iDC.RequestedStartDate = iCb2Sc.RequestedStartDate;
                        iDC.RequestedEndDate = iCb2Sc.RequestedEndDate;
                        iDC.SupportConceptOid = iCb2Sc.SupportConcept.Oid.Value;
                        iDC.CostBearer2SupportConceptOid = iCb2Sc.Oid.Value;
                        iDC.CostBearer = iCb2Sc.CostBearer.Organisation != null
                            ? iCb2Sc.CostBearer.Organisation.Name
                            : string.Empty;
                        iDC.CostBearerId = iCb2Sc.CostBearer.ID;
                        iDC.CustomerOid = iCb2Sc.SupportConcept.Customer.Oid.Value;
                        iDC.CustomerFirstName = iCb2Sc.SupportConcept.Customer.Person.FirstName;
                        iDC.CustomerLastName = iCb2Sc.SupportConcept.Customer.Person.LastName;

                        var costRates = iCb2Sc.CostBearer.CostRatePeriods.MapToNewDCs();

                        iDC.ServiceUnit = costRates.GetCurrentlyValidRate(CostRatePeriodType.MinutesPerServiceUnit);
                        if (iDC.ServiceUnit == null)
                        {
                            iDC.ServiceUnit = new CostRatePeriodDC();
                            iDC.ServiceUnit.CostRateType = CostRatePeriodType.MinutesPerServiceUnit;
                            iDC.ServiceUnit.UnitName = "FLS";
                            iDC.ServiceUnit.CostRateValue = 60;
                        }
                        iDC.CurrentHourlyRate = costRates.GetCurrentlyValidRateValue(CostRatePeriodType.HourlyRate) ?? 0m;
                        iDC.CurrentRateFactor = costRates.GetCurrentlyValidRateValue(CostRatePeriodType.RateFactor) ?? 0m;

                        var relDC = iCb2Sc.MapToNewDC();

                        DateTime minDate = DateTime.MinValue;
                        if (iCb2Sc.ApprovedStartDate.HasValue)
                        {
                            minDate = iCb2Sc.ApprovedStartDate.Value.Date;
                        }
                        else if (iCb2Sc.RequestedStartDate.HasValue)
                        {
                            minDate = iCb2Sc.RequestedStartDate.Value.Date;
                        }

                        iDC.FLSRecordedTillNow = BerechneGeleisteteStunden(iCb2Sc, minDate, maxDate, calc);



                        //var notBillableAbsenceTimes = calc.GetHoursNotBillableDueToAbsenceTimes(relDC, recordDCs,
                        //    iCb2Sc.SupportConcept.Customer.GetAbsencesTimesNotBillableWholeWeeks(), false,
                        //    false);
                        //var notBillableMoreThanApproved = calc.GetHoursNotBillableDueToMoreThanApproved(relDC, recordDCs,
                        //    false, true);

                        iDC.FLSBilledTillNow = iDC.FLSRecordedTillNow;
                        //- notBillableAbsenceTimes
                        //- notBillableMoreThanApproved;



                        decimal lDurationInWeeksTillNow = calc.GetDurationInWeeksTillNow(relDC, appointedDate) ?? 0;
                        decimal lDurationInWeeks = calc.GetDurationInWeeks(relDC) ?? 0;

                        if (iCb2Sc.Status == CostBearer2SupportConceptStatus.Approved)
                        {
                            iDC.IsApproved = true;

                            if (iCb2Sc.ApprovedStartDate != null && iCb2Sc.ApprovedEndDate != null)
                            {
                                iDC.ApprovedStartDate = iCb2Sc.ApprovedStartDate.Value;
                                iDC.ApprovedEndDate = iCb2Sc.ApprovedEndDate.Value;
                                //lDurationInWeeks = Convert.ToDecimal((iDC.ApprovedEndDate.Value - iDC.ApprovedStartDate.Value).Days + 1) / 7;

                                //lCalcDate = lCalcDate > iCb2Sc.ApprovedEndDate
                                //                ? iCb2Sc.ApprovedEndDate.Value.Date.AddDays(1)
                                //                : lCalcDate;
                                //lDurationInWeeksTillNow = Convert.ToDecimal((lCalcDate - iCb2Sc.ApprovedStartDate.Value).Days) / 7m;
                            }
                        }
                        else
                        {
                            iDC.IsApproved = false;

                            //if (iCb2Sc.RequestedStartDate != null && iCb2Sc.RequestedEndDate != null)
                            //{
                            //lDurationInWeeks = Convert.ToDecimal((iCb2Sc.RequestedEndDate.Value - iCb2Sc.RequestedStartDate.Value).Days + 1) / 7;

                            //lCalcDate = lCalcDate > iCb2Sc.RequestedEndDate
                            //                ? iCb2Sc.RequestedEndDate.Value.Date
                            //                : lCalcDate;
                            //lDurationInWeeksTillNow = Convert.ToDecimal((lCalcDate - iCb2Sc.RequestedStartDate.Value).Days) / 7m;
                            //}
                        }


                        BerechneBewilligteStunden(calc, iDC, relDC, appointedDate);

                        //if (flsTotal.HasValue && lDurationInWeeks != 0)
                        //{
                        //    iDC.FLSApprovedTillNow = flsTotal.Value * ((lDurationInWeeksTillNow + (1m / 7m)) / lDurationInWeeks);
                        //}
                        //else
                        //{
                        //    iDC.FLSApprovedTillNow = iDC.FLSApprovedPerWeek * (lDurationInWeeksTillNow + (1m / 7m));
                        //}

                        if (iDC.FLSApprovedSum <= 0)
                        {
                            iDC.FLSRecordedTillNowInPercent = 0;
                        }
                        else
                        {
                            iDC.FLSRecordedTillNowInPercent = iDC.FLSRecordedTillNow / iDC.FLSApprovedSum * 100;
                        }

                        iDC.FLSDifferenceApprovedRecordedTillNow = iDC.FLSRecordedTillNow - iDC.FLSApprovedTillNow;

                        if (iDC.FLSApprovedTillNow <= 0)
                        {
                            iDC.FLSDifferenceApprovedRecordedTillNowInPercent = 0;
                        }
                        else
                        {
                            iDC.FLSDifferenceApprovedRecordedTillNowInPercent =
                                iDC.FLSRecordedTillNow / iDC.FLSApprovedTillNow *
                                100;
                        }

                        iDC.FLSOpen = iDC.FLSApprovedSum - iDC.FLSRecordedTillNow;
                        iDC.OpenWeeks = lDurationInWeeks - lDurationInWeeksTillNow;

                        //TODO kostenträger spezifisch!? in Calculations verlagern!
                        iDC.OpenMonths = iDC.OpenWeeks / 4.34m;

                        if (iDC.OpenWeeks <= 0)
                        {
                            iDC.FLSOpenPerWeek = 0;
                        }
                        else
                        {
                            iDC.FLSOpenPerWeek = iDC.FLSOpen / iDC.OpenWeeks;
                        }

                        iDC.WeeksTotal = lDurationInWeeks;
                        if (iDC.WeeksTotal != 0)
                        {
                            iDC.DurationPercentage = (lDurationInWeeksTillNow / iDC.WeeksTotal) * 100;
                        }

                        lResult.Add(iDC);

                        iDC.BEApprovedPerWeek = iDC.ServiceUnit.GetHoursInBE(iDC.FLSApprovedPerWeek);
                        iDC.BEApprovedSum = iDC.ServiceUnit.GetHoursInBE(iDC.FLSApprovedSum);
                        iDC.BEApprovedTillNow = iDC.ServiceUnit.GetHoursInBE(iDC.FLSApprovedTillNow);
                        iDC.BEBilledTillNow = iDC.ServiceUnit.GetHoursInBE(iDC.FLSBilledTillNow);
                        iDC.BEDifferenceApprovedRecordedTillNow =
                            iDC.ServiceUnit.GetHoursInBE(iDC.FLSDifferenceApprovedRecordedTillNow);
                        iDC.BEDifferenceApprovedRecordedTillNowInPercent =
                            iDC.ServiceUnit.GetHoursInBE(iDC.FLSDifferenceApprovedRecordedTillNowInPercent);
                        iDC.BEOpen = iDC.ServiceUnit.GetHoursInBE(iDC.FLSOpen);
                        iDC.BEOpenPerWeek = iDC.ServiceUnit.GetHoursInBE(iDC.FLSOpenPerWeek);
                        if (iDC.BEOpenPerWeek > iDC.BEOpen)
                            iDC.BEOpenPerWeek = iDC.BEOpen;
                        iDC.BERecordedTillNow = iDC.ServiceUnit.GetHoursInBE(iDC.FLSRecordedTillNow);
                        iDC.BERecordedTillNowInPercent = iDC.ServiceUnit.GetHoursInBE(iDC.FLSRecordedTillNowInPercent);

                        SetKorridorStatus(iDC);
                    }
                }
            }

            return lResult;

        }

        private List<SupportConceptOverviewDC> GetSupportConceptAnalysisWithCategory(IList<long> c2sOids, long? employeeOid, long? teamOid, long catOid, DateTime? appointedDate, int? expiredMonths, bool showArchivedScs)
        {
            DateTime maxDate = appointedDate.HasValue? appointedDate.Value.AddDays(1) : DateTime.MaxValue;

            var lResult = new List<SupportConceptOverviewDC>();

            foreach (var iCb2Sc in DAOFactory.GenericDAO.GetAllActive<CostBearer2SupportConcept>())
            {
                var calc = PluginLoader.FindClass<Calculations>(iCb2Sc.CostBearer.ID) ?? Calculations.GetInstance(iCb2Sc.CostBearer.ID);

                foreach (var scap in iCb2Sc.ApprovalPeriodList)
                {
                    bool cont = AddToResult(scap, catOid);

                    if (cont)
                    {
                        var iDC = new SupportConceptOverviewDC();

                        iDC.ActivationType = iCb2Sc.SupportConcept.IsActive;
                        if (iDC.ActivationType == ActivationTypeId.Active && iCb2Sc.SupportConcept.Customer.IsActive != ActivationTypeId.Active)
                        {
                            iDC.ActivationType = iCb2Sc.SupportConcept.Customer.IsActive;
                        }


                        if (c2sOids != null)
                        {
                            if (!c2sOids.Contains(iCb2Sc.Oid.Value))
                            {
                                cont = false;
                            }
                        }
                        else
                        {
                            cont = (showArchivedScs && iDC.ActivationType != ActivationTypeId.Deleted) ||
                                   iDC.ActivationType == ActivationTypeId.Active;

                            if (cont && teamOid != null)
                            {
                                bool isRelatedToTeam = false;

                                if (iCb2Sc.SupportConcept.Customer.Team2CustomerList.Count == 0)
                                {
                                    var team = DAOFactory.GenericDAO.LoadByID<Team>(teamOid.Value);
                                    Dictionary<long, long> teamMemberOidDict = new Dictionary<long, long>();

                                    foreach (var member in team.MemberList)
                                    {
                                        if (!teamMemberOidDict.ContainsKey(member.Oid.Value))
                                        {
                                            teamMemberOidDict.Add(member.Oid.Value, member.Oid.Value);
                                        }
                                        //if (team.Leader != null && !teamMemberOidDict.ContainsKey(team.Leader.Oid.Value))
                                        //{
                                        //    teamMemberOidDict.Add(team.Leader.Oid.Value, team.Leader.Oid.Value);
                                        //}
                                    }
                                    foreach (var e2c in iCb2Sc.SupportConcept.Customer.Employee2CustomerList)
                                    {
                                        if (!isRelatedToTeam)
                                        {
                                            if (teamMemberOidDict.ContainsKey(e2c.EmployeeOid.Value))
                                            {
                                                isRelatedToTeam = true;
                                            }
                                        }
                                    }
                                }
                                else
                                {
                                    foreach (var team2Customer in iCb2Sc.SupportConcept.Customer.Team2CustomerList)
                                    {
                                        if (team2Customer.TeamOid == teamOid)
                                        {
                                            isRelatedToTeam = true;
                                        }
                                    }
                                }
                                if (!isRelatedToTeam)
                                {
                                    cont = false;
                                }
                            }

                            if (cont && employeeOid != null && teamOid == null)
                            {
                                bool isRelatedToEmployee = false;
                                foreach (var e2c in iCb2Sc.SupportConcept.Customer.Employee2CustomerList)
                                {
                                    if (!isRelatedToEmployee)
                                    {
                                        if (employeeOid.Value == e2c.EmployeeOid.Value)
                                        {
                                            isRelatedToEmployee = true;
                                        }
                                    }
                                }

                                if (!isRelatedToEmployee)
                                {
                                    cont = false;
                                }
                            }

                            if (cont && expiredMonths.HasValue)
                            {
                                cont = iCb2Sc.EndDate.HasValue &&
                                       iCb2Sc.EndDate.Value < DateTime.Now.AddMonths(expiredMonths.Value);
                            }

                        }


                        if (cont)
                        {
                            iDC.CalculationDate = DateTime.Now.Date;
                            iDC.RequestedStartDate = scap.StartDate;
                            iDC.RequestedEndDate = scap.EndDate;
                            iDC.SupportConceptOid = iCb2Sc.SupportConcept.Oid.Value;
                            iDC.CostBearer2SupportConceptOid = iCb2Sc.Oid.Value;
                            iDC.CostBearer = iCb2Sc.CostBearer.Organisation != null
                                ? iCb2Sc.CostBearer.Organisation.Name
                                : string.Empty;
                            iDC.CostBearerId = iCb2Sc.CostBearer.ID;
                            iDC.CustomerOid = iCb2Sc.SupportConcept.Customer.Oid.Value;
                            iDC.CustomerFirstName = iCb2Sc.SupportConcept.Customer.Person.FirstName;
                            iDC.CustomerLastName = iCb2Sc.SupportConcept.Customer.Person.LastName;

                            var costRates = iCb2Sc.CostBearer.CostRatePeriods.MapToNewDCs();

                            iDC.ServiceUnit = costRates.GetCurrentlyValidRate(CostRatePeriodType.MinutesPerServiceUnit);
                            if (iDC.ServiceUnit == null)
                            {
                                iDC.ServiceUnit = new CostRatePeriodDC();
                                iDC.ServiceUnit.CostRateType = CostRatePeriodType.MinutesPerServiceUnit;
                                iDC.ServiceUnit.UnitName = "FLS";
                                iDC.ServiceUnit.CostRateValue = 60;
                            }

                            iDC.CurrentHourlyRate = costRates.GetCurrentlyValidRateValue(CostRatePeriodType.HourlyRate) ?? 0m;
                            iDC.CurrentRateFactor = costRates.GetCurrentlyValidRateValue(CostRatePeriodType.RateFactor) ?? 0m;


                            var c2sDc = iCb2Sc.MapToNewDC();
                            var scapDc = scap.MapToNewDC();

                            DateTime minDate = DateTime.MinValue;
                            if (scap.StartDate.HasValue)
                            {
                                minDate = scap.StartDate.Value.Date;
                            }
                            else if (scap.EndDate.HasValue)
                            {
                                minDate = scap.EndDate.Value.Date;
                            }

                            iDC.FLSRecordedTillNow = BerechneGeleisteteStunden(iCb2Sc, catOid, minDate, maxDate, calc);



                            //var notBillableAbsenceTimes = calc.GetHoursNotBillableDueToAbsenceTimes(relDC, recordDCs,
                            //    iCb2Sc.SupportConcept.Customer.GetAbsencesTimesNotBillableWholeWeeks(), false,
                            //    false);
                            //var notBillableMoreThanApproved = calc.GetHoursNotBillableDueToMoreThanApproved(relDC, recordDCs,
                            //    false, true);

                            iDC.FLSBilledTillNow = iDC.FLSRecordedTillNow;
                            //- notBillableAbsenceTimes
                            //- notBillableMoreThanApproved;



                            decimal lDurationInWeeksTillNow = GetDurationInWeeksTillNow(scap.StartDate, scap.EndDate, appointedDate) ?? 0;
                            decimal lDurationInWeeks = GetDurationInWeeks(scap.StartDate, scap.EndDate) ?? 0;

                            if (iCb2Sc.Status == CostBearer2SupportConceptStatus.Approved)
                            {
                                iDC.IsApproved = true;

                                if (iCb2Sc.ApprovedStartDate != null && iCb2Sc.ApprovedEndDate != null)
                                {
                                    iDC.ApprovedStartDate = iCb2Sc.ApprovedStartDate.Value;
                                    iDC.ApprovedEndDate = iCb2Sc.ApprovedEndDate.Value;
                                    //lDurationInWeeks = Convert.ToDecimal((iDC.ApprovedEndDate.Value - iDC.ApprovedStartDate.Value).Days + 1) / 7;

                                    //lCalcDate = lCalcDate > iCb2Sc.ApprovedEndDate
                                    //                ? iCb2Sc.ApprovedEndDate.Value.Date.AddDays(1)
                                    //                : lCalcDate;
                                    //lDurationInWeeksTillNow = Convert.ToDecimal((lCalcDate - iCb2Sc.ApprovedStartDate.Value).Days) / 7m;
                                }
                            }
                            else
                            {
                                iDC.IsApproved = false;

                                //if (iCb2Sc.RequestedStartDate != null && iCb2Sc.RequestedEndDate != null)
                                //{
                                //lDurationInWeeks = Convert.ToDecimal((iCb2Sc.RequestedEndDate.Value - iCb2Sc.RequestedStartDate.Value).Days + 1) / 7;

                                //lCalcDate = lCalcDate > iCb2Sc.RequestedEndDate
                                //                ? iCb2Sc.RequestedEndDate.Value.Date
                                //                : lCalcDate;
                                //lDurationInWeeksTillNow = Convert.ToDecimal((lCalcDate - iCb2Sc.RequestedStartDate.Value).Days) / 7m;
                                //}
                            }


                            BerechneBewilligteStunden(calc, iDC, c2sDc, scapDc, appointedDate);

                            //if (flsTotal.HasValue && lDurationInWeeks != 0)
                            //{
                            //    iDC.FLSApprovedTillNow = flsTotal.Value * ((lDurationInWeeksTillNow + (1m / 7m)) / lDurationInWeeks);
                            //}
                            //else
                            //{
                            //    iDC.FLSApprovedTillNow = iDC.FLSApprovedPerWeek * (lDurationInWeeksTillNow + (1m / 7m));
                            //}

                            if (iDC.FLSApprovedSum <= 0)
                            {
                                iDC.FLSRecordedTillNowInPercent = 0;
                            }
                            else
                            {
                                iDC.FLSRecordedTillNowInPercent = iDC.FLSRecordedTillNow / iDC.FLSApprovedSum * 100;
                            }

                            iDC.FLSDifferenceApprovedRecordedTillNow = iDC.FLSRecordedTillNow - iDC.FLSApprovedTillNow;

                            if (iDC.FLSApprovedTillNow <= 0)
                            {
                                iDC.FLSDifferenceApprovedRecordedTillNowInPercent = 0;
                            }
                            else
                            {
                                iDC.FLSDifferenceApprovedRecordedTillNowInPercent =
                                    iDC.FLSRecordedTillNow / iDC.FLSApprovedTillNow *
                                    100;
                            }

                            iDC.FLSOpen = iDC.FLSApprovedSum - iDC.FLSRecordedTillNow;
                            iDC.OpenWeeks = lDurationInWeeks - lDurationInWeeksTillNow;

                            //TODO kostenträger spezifisch!? in Calculations verlagern!
                            iDC.OpenMonths = iDC.OpenWeeks / 4.34m;

                            if (iDC.OpenWeeks <= 0)
                            {
                                iDC.FLSOpenPerWeek = 0;
                            }
                            else
                            {
                                iDC.FLSOpenPerWeek = iDC.FLSOpen / iDC.OpenWeeks;
                            }

                            iDC.WeeksTotal = lDurationInWeeks;
                            if (iDC.WeeksTotal != 0)
                            {
                                iDC.DurationPercentage = (lDurationInWeeksTillNow / iDC.WeeksTotal) * 100;
                            }

                            lResult.Add(iDC);

                            iDC.BEApprovedPerWeek = iDC.ServiceUnit.GetHoursInBE(iDC.FLSApprovedPerWeek);
                            iDC.BEApprovedSum = iDC.ServiceUnit.GetHoursInBE(iDC.FLSApprovedSum);
                            iDC.BEApprovedTillNow = iDC.ServiceUnit.GetHoursInBE(iDC.FLSApprovedTillNow);
                            iDC.BEBilledTillNow = iDC.ServiceUnit.GetHoursInBE(iDC.FLSBilledTillNow);
                            iDC.BEDifferenceApprovedRecordedTillNow =
                                iDC.ServiceUnit.GetHoursInBE(iDC.FLSDifferenceApprovedRecordedTillNow);
                            iDC.BEDifferenceApprovedRecordedTillNowInPercent =
                                iDC.ServiceUnit.GetHoursInBE(iDC.FLSDifferenceApprovedRecordedTillNowInPercent);
                            iDC.BEOpen = iDC.ServiceUnit.GetHoursInBE(iDC.FLSOpen);
                            iDC.BEOpenPerWeek = iDC.ServiceUnit.GetHoursInBE(iDC.FLSOpenPerWeek);
                            if (iDC.BEOpenPerWeek > iDC.BEOpen)
                                iDC.BEOpenPerWeek = iDC.BEOpen;
                            iDC.BERecordedTillNow = iDC.ServiceUnit.GetHoursInBE(iDC.FLSRecordedTillNow);
                            iDC.BERecordedTillNowInPercent = iDC.ServiceUnit.GetHoursInBE(iDC.FLSRecordedTillNowInPercent);

                            SetKorridorStatus(iDC);
                        }
                    }
                }
                
            }

            return lResult;
        }

        public virtual decimal? GetDurationInWeeksTillNow(DateTime? start, DateTime? end, DateTime? appointedDate)
        {

            if (start != null && end != null)
            {
                DateTime lCalcDate = (appointedDate.HasValue && appointedDate.Value < DateTime.Now.Date)
                    ? appointedDate.Value
                    : DateTime.Now.Date;

                lCalcDate = lCalcDate > end
                    ? end.Value.Date.AddDays(1)
                    : lCalcDate;
                return Convert.ToDecimal((lCalcDate - start.Value).Days) / 7m;
            }

            return null;
        }

        public virtual decimal? GetDurationInWeeks(DateTime? start, DateTime? end)
        {
            if (start != null && end != null)
            {
                return Convert.ToDecimal((end.Value - start.Value).Days + 1) / 7;
            }
            return null;
        }

        public virtual void SetKorridorStatus(SupportConceptOverviewDC iDc)
        {
            iDc.KorridorStatus = null;

            decimal minpercent = -1;
            decimal maxpercent = -1;

            decimal sumPerYear = GetAppovedBEPerYear(iDc);
            sumPerYear = Math.Round(sumPerYear);
            if (sumPerYear == 99)
            {
                minpercent = 8900m / 99m;
                maxpercent = 10900m / 99m;
            }
            else if (sumPerYear == 120)
            {
                minpercent = 11000m / 120m;
                maxpercent = 13300m / 120m;
            }
            else if (sumPerYear == 147)
            {
                minpercent = 13400m / 147m;
                maxpercent = 17200m / 147m;
            }
            else if (sumPerYear == 198)
            {
                minpercent = 17300m / 198m;
                maxpercent = 24300m / 198m;
            }
            else if (sumPerYear == 288)
            {
                minpercent = 24400m / 288m;
                maxpercent = 31500m / 288m;
            }
            else if (sumPerYear == 343)
            {
                minpercent = 31600m / 343m;
                maxpercent = 39600m / 343m;
            }

            if (minpercent > 0)
            {
                if (minpercent <= iDc.BEDifferenceApprovedRecordedTillNowInPercent &&
                    iDc.BEDifferenceApprovedRecordedTillNowInPercent <= maxpercent)
                {
                    iDc.KorridorStatus = "Innerhalb des Korridors";
                    iDc.KorridorStatusFarbe = "ForestGreen";
                }
                else
                {
                    iDc.KorridorStatus = "Außerhalb des Korridors";
                    iDc.KorridorStatusFarbe = "Red";
                }
                
            }
        }

        public virtual decimal GetAppovedBEPerYear(SupportConceptOverviewDC iDc)
        {
            decimal total = iDc.BEApprovedSum;
            DateTime? start = iDc.ApprovedStartDate;
            if (!start.HasValue)
                start = iDc.RequestedStartDate;
            DateTime? end = iDc.ApprovedEndDate;
            if (!end.HasValue)
                end = iDc.RequestedEndDate;

            if (start.HasValue && end.HasValue)
            {
                decimal days = (decimal)end.Value.Subtract(start.Value).Days + 1;
                decimal years = days / 365m;
                if (years != 0)
                {
                    return total / years;
                }
            }

            return 0;
            
        }

        public virtual void BerechneBewilligteStunden(Calculations calc, SupportConceptOverviewDC iDc, SupportConceptCostBearerRelDC relDc, DateTime? appointedDate)
        {
            iDc.FLSApprovedPerWeek = calc.GetApprovedHoursPerWeekAverage(relDc, true) ?? 0m;

            decimal? flsTotal = calc.GetApprovedHoursTotal(relDc, true);

            iDc.FLSApprovedSum = flsTotal ?? 0m;

            var approvedTillNow = calc.GetApprovedHoursTillNow(relDc, appointedDate);
            iDc.FLSApprovedTillNow = approvedTillNow ?? 0;
        }

        public virtual void BerechneBewilligteStunden(Calculations calc, SupportConceptOverviewDC iDc, SupportConceptCostBearerRelDC relDc, SupportConceptApprovalPeriodDC scap, DateTime? appointedDate)
        {
            iDc.FLSApprovedPerWeek = GetApprovedHoursPerWeek(calc, relDc, scap, true) ?? 0m;

            decimal? flsTotal = calc.GetApprovedHoursTotal(relDc, true);

            iDc.FLSApprovedSum = flsTotal ?? 0m;

            var approvedTillNow = calc.GetApprovedHoursTillNow(relDc, appointedDate);
            iDc.FLSApprovedTillNow = approvedTillNow ?? 0;
        }

        public virtual decimal? GetApprovedHoursPerWeek(Calculations calc, SupportConceptCostBearerRelDC relDC, SupportConceptApprovalPeriodDC scap, bool useIsCalculationWithFactor)
        {
            if (scap.StartDate.HasValue && scap.EndDate.HasValue)
            {
                
                decimal? hoursPerWeek = calc.GetApprovedHoursPerWeek(scap, relDC.CostBearer.CostRatePeriods);
                if (useIsCalculationWithFactor)
                    hoursPerWeek = calc.ApplyIsCalculationWithFactor(relDC, hoursPerWeek);
                return hoursPerWeek;
                

            }
            return null;
            
        }

        public virtual decimal BerechneGeleisteteStunden(CostBearer2SupportConcept iCb2Sc, DateTime minDate, DateTime maxDate, Calculations calc)
        {
            var recordDCs = (from sr in iCb2Sc.ServiceRecords
                where (sr.Start >= minDate && sr.Start < maxDate)
                select MapperFactory.ServiceRecordDC_ServiceRecord.MapToNewDC(sr)).ToList();


            return calc.GetBillableDurationInMinutes(recordDCs) / 60m;
        }

        public virtual decimal BerechneGeleisteteStunden(CostBearer2SupportConcept iCb2Sc, long catOid, DateTime minDate, DateTime maxDate, Calculations calc)
        {
            
            var recordDCs = (from sr in iCb2Sc.ServiceRecords
                where (sr.Start >= minDate && sr.Start < maxDate)
                select MapperFactory.ServiceRecordDC_ServiceRecord.MapToNewDC(sr)).ToList();


            return calc.GetBillableDurationInMinutes(recordDCs.Where(r => r.ServiceDescription.Category.ServiceCategoryOid == catOid).ToList()) / 60m;
        }

        public virtual bool AddToResult(CostBearer2SupportConcept c2s)
        {
            return true;
        }

        public virtual bool AddToResult(SupportConceptApprovalPeriod scap, long? catOid)
        {
            if (!catOid.HasValue || scap.ServiceCategory == null)
            {
                return true;
            }

            if (scap.ServiceCategory.Oid != catOid)
            {
                return false;
            }

            return true;
        }
    }
}