module.exports = initializeSegmentio = ->
  analytics = window.analytics = window.analytics or []
  return if analytics.initialize
  return console?.error 'Segment snippet included twice.' if analytics.invoked
  analytics.invoked = true
  analytics.methods = [
    'trackSubmit'
    'trackClick'
    'trackLink'
    'trackForm'
    'pageview'
    'identify'
    'reset'
    'group'
    'track'
    'ready'
    'alias'
    'page'
    'once'
    'off'
    'on'
  ]

  analytics.factory = (t) ->
    ->
      e = Array::slice.call(arguments)
      e.unshift t
      analytics.push e
      analytics

  for method in analytics.methods
    analytics[method] = analytics.factory method

  analytics.load = (t) ->
    e = document.createElement 'script'
    e.type = 'text/javascript'
    e.async = true
    e.src = (if document.location.protocol is 'https:' then 'https://' else 'http://') + 'cdn.segment.com/analytics.js/v1/' + t + '/analytics.min.js'
    n = document.getElementsByTagName('script')[0]
    n.parentNode.insertBefore e, n
    Backbone.Mediator.publish 'application:service-loaded', service: 'segment'
    return

  analytics.SNIPPET_VERSION = '3.1.0'
  analytics.load 'yJpJZWBw68fEj0aPSv8ffMMgof5kFnU9'
  #analytics.page()  # Don't track the page view on initial inclusion