export const formatCurrency = (value: number, decimals = 2): string => {
  const abs = Math.abs(value);
  const formatted = abs.toLocaleString('en-US', {
    minimumFractionDigits: decimals,
    maximumFractionDigits: decimals,
  });
  const prefix = value >= 0 ? '+$' : '-$';
  return `${prefix}${formatted}`;
};

export const formatPrice = (value: number): string => {
  if (value >= 1000) {
    return `$${value.toLocaleString('en-US', { minimumFractionDigits: 2, maximumFractionDigits: 2 })}`;
  }
  if (value >= 1) {
    return `$${value.toFixed(2)}`;
  }
  return `$${value.toFixed(4)}`;
};

export const formatPercent = (value: number): string => {
  const prefix = value >= 0 ? '+' : '';
  return `${prefix}${value.toFixed(2)}%`;
};

export const formatNumber = (value: number): string => {
  return `$${value.toLocaleString('en-US', { minimumFractionDigits: 2, maximumFractionDigits: 2 })}`;
};