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

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

export function isSafari() {
  if (typeof window === 'undefined' || !window.navigator) return false
  const ua = window.navigator.userAgent
  const vendor = window.navigator.vendor
  return /Safari/.test(ua) && /Apple Computer/.test(vendor) && !/Chrome/.test(ua)
}

export function isAndroid() {
  if (typeof window === 'undefined' || !window.navigator) return false
  const ua = window.navigator.userAgent
  return /android/i.test(ua)
}

export function isTorBrowser() {
  if (typeof window === 'undefined' || !window.navigator) return false
  const ua = window.navigator.userAgent
  return /torbrowser/i.test(ua)
}

export function isInViewport(el: HTMLElement) {
  const rect = el.getBoundingClientRect()
  return (
    rect.top >= 0 &&
    rect.left >= 0 &&
    rect.bottom <= (window.innerHeight || document.documentElement.clientHeight) &&
    rect.right <= (window.innerWidth || document.documentElement.clientWidth)
  )
}