class Webdrivers::Geckodriver

def base_url
  'https://github.com/mozilla/geckodriver/releases'
end

def current
  return nil unless downloaded?
  puts binary
  string = %x(#{binary} --version)
  puts string
  normalize string.match(/geckodriver (\d+\.\d+\.\d+)/)[1]
end

def downloads
  raise StandardError, "Can not reach site" unless site_available?
  doc = Nokogiri::XML.parse(OpenURI.open_uri(base_url))
  items = doc.css(".release-downloads a").collect {|item| item["href"]}
  items.reject! {|item| item.include?('archive')}
  items.select! {|item| item.include?(platform)}
  items.each_with_object({}) do |item, hash|
    key = normalize item[/v(\d+\.\d+\.\d+)/, 1]
    hash[key] = "https://github.com#{item}"
  end
end

def file_name
  'geckodriver'
end

def normalize(string)
  string.match(/(\d+)\.(\d+\.\d+)/).to_a.map {|v| v.tr('.', '') }[1..-1].join('.').to_f
end