const amountFormatter = new Intl.NumberFormat('ru-RU', {
  style: 'currency',
  currency: 'RUB',
  minimumFractionDigits: 2,
});

export function formatAmount(kopecks: number): string {
  return amountFormatter.format(kopecks / 100);
}

const dateFormatter = new Intl.DateTimeFormat('ru-RU', {
  day: '2-digit',
  month: '2-digit',
  year: 'numeric',
});

const dateTimeFormatter = new Intl.DateTimeFormat('ru-RU', {
  day: '2-digit',
  month: '2-digit',
  year: 'numeric',
  hour: '2-digit',
  minute: '2-digit',
});

export function formatDate(iso: string): string {
  return dateFormatter.format(new Date(iso));
}

export function formatDateTime(iso: string): string {
  return dateTimeFormatter.format(new Date(iso));
}

export function toISODate(date: Date): string {
  const y = date.getFullYear();
  const m = String(date.getMonth() + 1).padStart(2, '0');
  const d = String(date.getDate()).padStart(2, '0');
  return `${y}-${m}-${d}`;
}