class StyleStats
  class CLI
    class << self
      def run(files, option)
        @options = option
        stylestats = StyleStats.new(files, options)
        stylestats.render
      rescue StyleStats::RequestError
        puts '[ERROR] getaddrinfo ENOTFOUND'
      rescue StyleStats::ContentError
        puts '[ERROR] Content type is not HTML or CSS!'
      rescue StyleStats::InvalidError
        puts '[ERROR] Argument is invalid'
      end

      private
      def options
        {
          format: @options[:format],
          user_agent: user_agent
        }
      end

      def user_agent
        case @options[:user_agent]
        when 'ios'
          'Mozilla/5.0 (iPhone; CPU iPhone OS 8_0 like Mac OS X) AppleWebKit/600.1.4 Version/8.0 Safari/600.1.4'
        when 'android'
          'Mozilla/5.0 (Linux; Android 4.4.2; Nexus 5 Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/32.0.1700.99 Mobile Safari/537.36'
        else
          @options[:user_agent]
        end
      end
    end
  end
end