import { type ClassValue, clsx } from 'clsx';
import { twMerge } from 'tailwind-merge';

export function cn(...inputs: ClassValue[]) {
  return twMerge(clsx(inputs));
}

export const formatAddress = (address: string): string => {
  if (!address) return '';
  return `${address.slice(0, 6)}...${address.slice(-4)}`;
};

export const formatCurrency = (amount: number): string => {
  return new Intl.NumberFormat('en-US', {
    style: 'currency',
    currency: 'USD',
    minimumFractionDigits: 2,
  }).format(amount);
};

export const formatTimeRemaining = (expiresAt: string): string => {
  const now = new Date().getTime();
  const expiry = new Date(expiresAt).getTime();
  const diff = expiry - now;

  if (diff <= 0) return 'Expired';

  const days = Math.floor(diff / (1000 * 60 * 60 * 24));
  const hours = Math.floor((diff % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60));
  const minutes = Math.floor((diff % (1000 * 60 * 60)) / (1000 * 60));

  if (days > 0) return `${days}d ${hours}h`;
  if (hours > 0) return `${hours}h ${minutes}m`;
  return `${minutes}m`;
};