;(function () {
  function getCookie(name) {
    const value = '; ' + document.cookie
    const parts = value.split('; ' + name + '=')
    if (parts.length >= 2) return parts.pop().split(';').shift()
    return null
  }

  const clickId = new URLSearchParams(window.location.search).get('rtkupdclickid')
  if (!clickId) {
    return
  }

  let attempt = 0
  const maxAttempts = 10 // = 10s (with 1s interval)
  const interval = setInterval(() => {
    attempt++
    const fbp = getCookie('_fbp')
    const fbc = getCookie('_fbc')

    if (fbp || fbc) {
      clearInterval(interval)

      const url = new URL('https://tracking.skinnycoffeesuperboost.com/clickupd/' + clickId)

      if (fbc) url.searchParams.set('fbc', fbc)
      if (fbp) url.searchParams.set('fbp', fbp)

      const xhr = new XMLHttpRequest()
      xhr.open('GET', url.href)
      xhr.send()
    } else if (attempt >= maxAttempts) {
      clearInterval(interval)
    }
  }, 1000)
})()