// @todo: join with "utils/common/formatters"

/**
 * Converts a number to short money format.
 * @param amount number what will be formatted
 */
const moneyFormaterShort = (amount: number | undefined | null | string) => {
  if (!amount) {
    if (amount === 0) return amount;
    return 'NA';
  }
  if (typeof amount === 'string') {
    if (!isNaN(+amount)) {
      amount = +amount;
    } else {
      return amount;
    }
  }
  if (amount < 0) amount *= -1;
  if (amount < 100) return `$${amount}`;
  if (amount >= 100 && amount < 1000000)
    return `$${Math.round((amount / 1000 + Number.EPSILON) * 100) / 100}k`;
  if (amount >= 1000000 && amount < 1000000000)
    return `$${Math.round((amount / 1000000 + Number.EPSILON) * 100) / 100}m`;
  // if (amount >= 1000000000)
  return `$${Math.round((amount / 1000000000 + Number.EPSILON) * 100) / 100}b`;
};

/**
 * Converts a number to full money format.
 * @param amount number what will be formatted
 * @param fraction number of digits after the dot (default = 0)
 */
const moneyFormaterFull = (amount: number | string, fraction = 0) => {
  if (typeof amount === 'string') {
    if (!isNaN(+amount)) {
      amount = +amount;
    } else {
      return amount;
    }
  }

  return new Intl.NumberFormat('en-US', {
    style: 'currency',
    currency: 'USD',
    minimumFractionDigits: fraction
  }).format(amount);
};

/**
 * Converts a number to view number format.
 * @param number number what will be formatted
 */
const numberFormat = (number: number) => new Intl.NumberFormat('en-US').format(number);

export { moneyFormaterShort, moneyFormaterFull, numberFormat };