EvoCalculator.Core/EvoCalculator.Core.Calculation/Columns/KaskoNmperGrColumn.cs

using EvoCalculator.Core.FinanceFormulas;
using EvoCalculator.Core.Models.Calculation.Models.Prepared;
using TridentGoalSeek;

namespace EvoCalculator.Core.Calculation.Columns
{
    public class KaskoNmperGrColumn : BaseColumnWithXIRR
    {
        public KaskoNmperGrColumn(int count, DateTempColumn dateTempColumn) : base(count, dateTempColumn)
        {
        }

        public void ComputeValues(PreparedValues preparedValues)
        {
            for (var i = 0; i < Values.Length; i++)
            {
                Values[i] = 0;
            }

            for (var i = 1; i < Values.Length; i += 12)
            {
                if (i <= preparedValues.NmperInsurance)
                {
                    if (preparedValues.NmperInsurance - i < 16 - 1)
                    {
                        Values[i] = preparedValues.InsuranceKasko / 12 * (preparedValues.NmperInsurance - i + 1);
                    }
                    else
                    {
                        Values[i] = preparedValues.InsuranceKasko;
                    }
                }
            }


            var XNPV = new XNPV(Flows, preparedValues.IrrExpected);
            Values[0] = -XNPV.GetResult();
        }
    }
}