window.Notify = (function () {
  let nt = {}
  const sel = '#notif'
  let $balloon

  let timerHideBegin // timeout to start hiding (transition)
  let timerHideEnd // timeout to add the hidden class
  let timerCanCancel
  let canCancel = false

  let stopTimeouts = function () {
    clearTimeout(timerHideBegin)
    clearTimeout(timerHideEnd)
  }

  nt.show = function (message, timeout, isError) {
    $balloon.toggleClass('error', isError === true)
    $balloon.html(message)
    Modal.show($balloon)
    stopTimeouts()

    if (undef(timeout) || timeout === null || timeout <= 0) {
      timeout = 2500
    }

    timerHideBegin = setTimeout(nt.hide, timeout)

    canCancel = false
    timerCanCancel = setTimeout(function () {
      canCancel = true
    }, 500)
  }

  nt.hide = function () {
    let $m = $(sel)
    $m.removeClass('visible')
    timerHideEnd = setTimeout(function () {
      $m.addClass('hidden')
    }, 250) // transition time
  }

  nt.init = function () {
    $balloon = $(sel)

    // close by click outside
    $(document).on('click', function () {
      if (!canCancel) return
      nt.hide(this)
    })

    // click caused by selecting, prevent it from bubbling
    $balloon.on('click', function (e) {
      e.stopImmediatePropagation()
      return false
    })

    // stop fading if moused
    $balloon.on('mouseenter', function () {
      stopTimeouts()
      $balloon.removeClass('hidden').addClass('visible')
    })
  }

  return nt
})()