'use strict';

// AQUON sample schedule helpers. updateMonsternametijden validates the
// row shape before storing; regNextDate walks the rows to find the next
// future START_DATE for the configured aquonSampleName and counts how
// many of those fall in the current calendar year.

function updateMonsternametijden(m, value) {
  if (!m.init || !value || Object.keys(value).length === 0) return;
  if (
    typeof value[0]?.SAMPLE_NAME !== 'undefined' &&
    typeof value[0]?.DESCRIPTION !== 'undefined' &&
    typeof value[0]?.SAMPLED_DATE !== 'undefined' &&
    typeof value[0]?.START_DATE !== 'undefined' &&
    typeof value[0]?.END_DATE !== 'undefined'
  ) {
    m.monsternametijden = value;
    regNextDate(m, value);
  }
}

function regNextDate(m, monsternametijden) {
  let next_date = new Date(new Date().setFullYear(new Date().getFullYear() + 1));
  let n_days_remaining = 0;

  if (typeof monsternametijden !== 'undefined') {
    Object.values(monsternametijden).forEach((line) => {
      if (line.START_DATE === 'NULL') return;
      const curr_date_conv = new Date(line.START_DATE);
      const curr_date = curr_date_conv.getTime();
      if (line.SAMPLE_NAME === m.aquonSampleName && curr_date > Date.now()) {
        if (curr_date < next_date) next_date = curr_date;
        if (new Date().getFullYear() === curr_date_conv.getFullYear()) n_days_remaining++;
      }
    });
  }

  m.daysPerYear = n_days_remaining;
  m.nextDate = next_date;
}

module.exports = { updateMonsternametijden, regNextDate };