import { PayPeriods } from "@prisma/client";
import { PayPeriodDto } from "../dtos/pay-period.dto";
import { payYearOfDate } from "../utils/pay-year.util";

const toDateString = (d: Date) => d.toISOString().slice(0, 10); // "YYYY-MM-DD"

export function mapPayPeriodToDto(row: PayPeriods): PayPeriodDto {
  const s = toDateString(row.start_date);
  const e = toDateString(row.end_date);
  return {
    period_number: row.period_number,
    start_date: toDateString(row.start_date),
    end_date: toDateString(row.end_date),
    year: payYearOfDate(s),
    label: `${s} => ${e}`,
  };
}

export function mapMany(rows: PayPeriods[]): PayPeriodDto[] {
  return rows.map(mapPayPeriodToDto);
}