module UrlIdentifier

# File lib/url-identifier.rb, line 7
def analyze(url)
      #get url components
  duri = ::Domainatrix.parse url
  dduri = Addressable::URI.parse url
  referral_path = duri.path.empty? ? "/" : duri.path
  filters = {}
  parameters = {}
  parameters = CGI::parse dduri.query unless dduri.query.nil?
  
  #strip "www"
  if (duri.subdomain.start_with? "www.")
    domain = duri.subdomain.slice(4, duri.subdomain.length-4)
    domain = domain + "." if domain.length > 0
  elsif (duri.subdomain== "www" or duri.subdomain.length == 0)
    domain = ""
  else
    domain = "#{duri.subdomain}."
  end
  domain += duri.domain

  result = {
    :source => domain + ".#{duri.public_suffix}",
    :uid => referral_path
  }

  if duri.domain == "blogspot"
    result[:source] = "#{domain}"
    result[:uid] = "#{dduri.path}"
  elsif duri.domain == "youtube"
    result[:source] = "#{domain}"
    unless dduri.query.nil?
      result[:uid] = parameters["v"].first || result[:uid]
    end
  elsif duri.domain == "youtu" and duri.public_suffix == "be"
    result[:source] = "youtube"
    m = /\/(.+)$/.match duri.path
    if m.length > 1 #found v id
      result[:uid] = m[1] || result[:uid]
    end
  elsif duri.domain == "lookbook"
    result[:source] = "#{domain}"
    if duri.path.start_with? "/look/"
      m = /\/look\/([0-9]+).*/.match duri.path
      if m.length > 1 #found look id
        result[:uid] = m[1] || result[:uid]
      end
    end
  elsif duri.domain == "fashiolista"
    result[:source] = "#{domain}"
    if duri.path.start_with? "/item/"
      m = /\/item\/([0-9]+).*/.match duri.path
      if m.length > 1 #found item id
        result[:uid] = m[1] || result[:uid]
      end
    end
  elsif duri.domain == "shareasale"
    result[:source] = "#{domain}"
    unless dduri.query.nil?
      parameters = CGI::parse dduri.query
      result[:uid] = parameters["afftrack"].first unless parameters["afftrack"].first.nil? or parameters["afftrack"].first.empty?
      result[:uid] = (result[:uid].split '--').first
    end 
  elsif duri.domain == "facebook" #do not process facebook stats for now
    result[:source] = "#{domain}"
    result[:uid] = nil
  end
  result
end