using System;
using EvoCalculator.Core.Models.Calculation.Models.Prepared;

namespace EvoCalculator.Core.Calculation.Columns
{
    public class NPVWeightColumn : BaseColumn<double>
    {
        public NPVWeightColumn(int count) : base(count)
        {
        }

        public void ComputeValues(PreparedValues preparedValues, DateTempColumn dateTempColumn)
        {
            Values[0] = 1;
            for (var i = 1; i < Values.Length; i++)
                Values[i] = Values[i - 1] / Math.Pow(
                    1 + preparedValues.LoanRate / 365,
                    (dateTempColumn.Values[i] - dateTempColumn.Values[i - 1]).Days);
        }
    }
}