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

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

export type OS = "macos" | "ios" | "windows" | "android" | "linux" | null;

export function getOS() {
  if (typeof window === "undefined") return;
  const userAgent = window.navigator.userAgent.toLowerCase();
  const macosPlatforms = /(macintosh|macintel|macppc|mac68k|macos)/i;
  const windowsPlatforms = /(win32|win64|windows|wince)/i;
  const iosPlatforms = /(iphone|ipad|ipod)/i;
  let os: OS = null;

  if (macosPlatforms.test(userAgent)) {
    os = "macos";
  } else if (iosPlatforms.test(userAgent)) {
    os = "ios";
  } else if (windowsPlatforms.test(userAgent)) {
    os = "windows";
  } else if (/android/.test(userAgent)) {
    os = "android";
  } else if (!os && /linux/.test(userAgent)) {
    os = "linux";
  }
  return os;
}