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

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

export function formatDistanceToNow(timestamp: number): string {
  const now = Date.now();
  const diff = now - timestamp;
  
  const seconds = Math.floor(diff / 1000);
  const minutes = Math.floor(seconds / 60);
  const hours = Math.floor(minutes / 60);
  const days = Math.floor(hours / 24);
  
  if (seconds < 60) {
    return '刚刚';
  } else if (minutes < 60) {
    return `${minutes}分钟前`;
  } else if (hours < 24) {
    return `${hours}小时前`;
  } else if (days < 30) {
    return `${days}天前`;
  } else {
    return new Date(timestamp).toLocaleDateString();
  }
}