module Applicants
  module ApplicantsHelper

    def current_translations
      @translations ||= I18n.backend.send(:translations)
      @translations[I18n.locale].with_indifferent_access
    end

    def video_transition_time_string(time)
      return nil unless time
      time.strftime('%m/%d/%Y %-I:%M%P')
    end

    def stale_state(applicant)
      return unless applicant.reviewable?
      state = "stale" if applicant.stale?
      state = "very-stale" if applicant.very_stale?
      state
    end

    def admin_navigation_link state
      link         = link_to state.capitalize, with_state_admin_applicants_path(state: state)
      active_class = viewing?(state) ? 'active' : ''
      content_tag(:li, link, class: active_class)
    end

    def viewing? state
      @state and @state.to_s == state
    end

    def screen_recorder_descriptor_url
      Applicants::ScreencastOMatic::UrlBuilder.new(@applicant, request.host, request.port).descriptor_file_url
    end

    def macintosh_operating_system_user?
      detect_user_operating_system == :macintosh
    end

    def windows_operating_system_user?
      detect_user_operating_system == :windows
    end

    def mobile_operating_system_user?
      detect_user_operating_system == :mobile
    end

    def detect_user_operating_system
      case UseragentParser.parse(user_agent).os_family.try(:downcase)
        when /mac/
          :macintosh
        when /windows/
          :windows
        when /ios/
          :mobile
        when /android/
          :mobile
        else
          :unknown
      end
    end

    def macintosh_installer_url
      "#{racym(:applicants_orders_base_url)}/install-mac-recorder"
    end

    def windows_installer_url
      "#{racym(:applicants_orders_base_url)}/install-windows-recorder"
    end

    def macintosh_activator_url
      "#{racym(:applicants_activator_download_base_url)}/#{macintosh_activator_filename}"
    end

    def macintosh_activator_filename
      racym(:applicants_activator_filename_macintosh)
    end

    def windows_activator_url
      "#{racym(:applicants_activator_download_base_url)}/#{windows_activator_filename}"
    end

    def windows_activator_filename
      racym(:applicants_activator_filename_windows)
    end

    def user_agent
      request.env['HTTP_USER_AGENT']
    end

    def icon(type, options=[])
      content_tag(:i, '', class: "icon-#{type} #{options.join(' ') if options.any?}")
    end

    def test_exclude(&block)
      unless Rails.application.config.test_exclude
        yield
        return '' # http://groups.google.com/group/rubyonrails-talk/browse_thread/thread/3ebf8c1ed79a9855
      end
    end

  end
end