/**
 * Formatted prayer times using the PrayCalc Dynamic Method.
 */

import { formatTime } from 'nrel-spa';
import { getTimes } from './getTimes.js';
import type { FormattedPrayerTimes } from './types.js';

/**
 * Compute prayer times formatted as HH:MM:SS strings.
 *
 * Uses the dynamic twilight angle algorithm. See getTimes() for full parameter
 * documentation.
 *
 * @returns Prayer times as HH:MM:SS strings. Returns "N/A" for any time that
 *          cannot be computed (polar night, unreachable angle, etc.).
 */
export function calcTimes(
  date: Date,
  lat: number,
  lng: number,
  tz: number = -date.getTimezoneOffset() / 60,
  elevation = 0,
  temperature = 15,
  pressure = 1013.25,
  hanafi = false,
): FormattedPrayerTimes {
  const raw = getTimes(date, lat, lng, tz, elevation, temperature, pressure, hanafi);

  // Sort by fractional hour value so output reflects chronological order.
  // Angles are preserved as-is (not time values).
  return {
    Qiyam: formatTime(raw.Qiyam),
    Fajr: formatTime(raw.Fajr),
    Sunrise: formatTime(raw.Sunrise),
    Noon: formatTime(raw.Noon),
    Dhuhr: formatTime(raw.Dhuhr),
    Asr: formatTime(raw.Asr),
    Maghrib: formatTime(raw.Maghrib),
    Isha: formatTime(raw.Isha),
    Midnight: formatTime(raw.Midnight),
    angles: raw.angles,
  };
}