jmap-webmail/lib/utils.ts

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

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

export function formatDate(date: Date | string): string {
  const d = typeof date === "string" ? new Date(date) : date;
  const now = new Date();
  const diff = now.getTime() - d.getTime();

  const minutes = Math.floor(diff / 60000);
  const hours = Math.floor(diff / 3600000);
  const days = Math.floor(diff / 86400000);

  if (minutes < 1) return "Just now";
  if (minutes < 60) return `${minutes}m ago`;
  if (hours < 24) return `${hours}h ago`;
  if (days < 7) return `${days}d ago`;

  return d.toLocaleDateString("en-US", {
    month: "short",
    day: "numeric",
    year: d.getFullYear() !== now.getFullYear() ? "numeric" : undefined,
  });
}

export function truncateText(text: string, maxLength: number): string {
  if (text.length <= maxLength) return text;
  return text.substring(0, maxLength).trim() + "...";
}