export function formatShipmentRange(
  shipmentDurationRange,
  shipmentDurationUnit
) {
  if (!shipmentDurationRange || !shipmentDurationUnit) {
    return '';
  }
  let minRange, maxRange;

  // Cek apakah durasi berupa range atau angka tunggal
  if (shipmentDurationRange.includes('-')) {
    [minRange, maxRange] = shipmentDurationRange.split(' - ').map(Number);
  } else {
    minRange = maxRange = Number(shipmentDurationRange); // Jika angka tunggal
  }

  const start = new Date(); // Tanggal saat ini

  let minDate, maxDate;

  // Hitung estimasi berdasarkan unit waktu
  if (shipmentDurationUnit === 'days' || shipmentDurationUnit === 'day') {
    minDate = new Date(start);
    minDate.setDate(start.getDate() + (minRange + 3));

    maxDate = new Date(start);
    maxDate.setDate(start.getDate() + (maxRange + 3));
  } else if (shipmentDurationUnit === 'hours') {
    minDate = new Date(start.getTime() + (minRange + 3) * 60 * 60 * 1000);
    maxDate = new Date(start.getTime() + (maxRange + 3) * 60 * 60 * 1000);
  } else {
    throw new Error("Unsupported unit. Please use 'days' or 'hours'.");
  }

  console.log('min max', minDate, maxDate);

  const minDateStr = formatDate(minDate);
  const maxDateStr = formatDate(maxDate);
  if (minDateStr === maxDateStr) {
    return `Estimasi tiba ${minDateStr}`;
  }
  return `Estimasi tiba ${minDateStr} - ${maxDateStr}`;
}

export function getToDate(shipmentDurationRange, shipmentDurationUnit) {
  if (!shipmentDurationRange || !shipmentDurationUnit) {
    return '';
  }
  const start = new Date(); // Tanggal saat ini

  let maxRange;

  // Cek apakah durasi berupa range atau angka tunggal
  if (shipmentDurationRange.includes('-')) {
    [, maxRange] = shipmentDurationRange.split(' - ').map(Number);
  } else {
    maxRange = Number(shipmentDurationRange); // Jika angka tunggal
  }

  let maxDate;

  // Hitung estimasi berdasarkan unit waktu
  if (shipmentDurationUnit === 'days'  || shipmentDurationUnit === 'day') {
    maxDate = new Date(start);
    maxDate.setDate(start.getDate() + (maxRange + 3));
  } else if (shipmentDurationUnit === 'hours') {
    maxDate = new Date(start.getTime() + (maxRange + 3) * 60 * 60 * 1000);
  } else {
    throw new Error("Unsupported unit. Please use 'days' or 'hours'.");
  }

  return formatDate(maxDate);
}

function formatDate(date) {
  const day = date.getDate();
  const month = date.toLocaleString('default', { month: 'short' });
  return `${day} ${month}`;
}