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

namespace EvoCalculator.Core.Calculation.Columns
{
    public class DateTempColumn : IColumn<DateTime>
    {
        public DateTime[] Values { get; set; }

        //TODO: extract 67
        public DateTempColumn(int count = 67)
        {
            Values = new DateTime[count];
        }


        public void ComputeValues(PreparedValues preparedValues, PreparedPayments preparedPayments,
            Constants.Calculation constants,
            params IColumn<DateTime>[] columns)
        {
            Values[0] = preparedValues.DogDate;
            Values[1] = Values[0];
            Values[2] = preparedValues.PaymentDateNew ?? Values[1].AddMonths(1);

            for (var i = 3; i < Values.Length; i++)
            {
                Values[i] = preparedValues.PaymentDateNew == null
                    ? Values[1].AddMonths(i - 1)
                    : Values[2].AddMonths(i - 2);
            }
        }
    }
}