const pad = (value) => String(value).padStart(2, '0');

export function formatDateInput(date) {
  return `${date.getFullYear()}-${pad(date.getMonth() + 1)}-${pad(date.getDate())}`;
}

export function lastSevenDays(reference = new Date()) {
  const end = new Date(reference.getFullYear(), reference.getMonth(), reference.getDate());
  const start = new Date(end);
  start.setDate(start.getDate() - 6);
  return { startDate: formatDateInput(start), endDate: formatDateInput(end) };
}

export function dateRangeParams(startDate, endDate, fromKey = 'startedFrom', toKey = 'startedTo') {
  const params = {};
  if (startDate) params[fromKey] = new Date(`${startDate}T00:00:00`).toISOString();
  if (endDate) params[toKey] = new Date(`${endDate}T23:59:59.999`).toISOString();
  return params;
}