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

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

const BYTE_UNITS = ["B", "KB", "MB", "GB", "TB"];

/** `1536` → `"1.5 KB"`, in binary units like the API's limits. */
export function formatBytes(bytes: number) {
  let value = bytes;
  let unit = 0;
  while (value >= 1024 && unit < BYTE_UNITS.length - 1) {
    value /= 1024;
    unit++;
  }
  return unit === 0 ? `${bytes} B` : `${value.toFixed(1)} ${BYTE_UNITS[unit]}`;
}