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helpers do
  def h(text)
    Rack::Utils.escape_html(text)
  end

  def markdown(text)
    markdown = Redcarpet::Markdown.new(Redcarpet::Render::HTML, :autolink => true, :space_after_headers => true)
    markdown.render(text)
  end

  def get_forced_state(notices)
    notices.each do |notice|
      next unless notice.has_key? 'force_state'

      return notice['force_state']
    end

    nil
  end

  def service_info(service)
    content = ''
    active_notices = NoticeStore.instance.active_notices_for(service)

    unless (forced_state = get_forced_state(active_notices)) == nil
      content << status_icon(forced_state)
    else
      case ServiceRegistry.instance.services[service]
        when State::UP
          content << status_icon('up')
        when State::WARNING
          content << status_icon('warning')
        when State::DOWN
          content << status_icon('down')
        else
          content << status_icon('na')
      end
    end

    content << '<span class="badge" style="margin-right: 1em;" title="There are notices (%s) below regarding this service.">%s</span>' % [active_notices.count, active_notices.count] if active_notices.count > 0

    content
  end

  def panel_class(notice)
    if notice['type'] == 'outage'
      'panel-danger'
    elsif notice['type'] == 'information'
      'panel-info'
    elsif notice['type'] == 'maintenance'
      'panel-warning'
    else
      'panel-default'
    end
  end

  def status_icon(status)
    case status.to_s
      when 'up'
        return '<img src="/icons/status_up.png" alt="The service is up and running." title="The service is up and running." class="pull-right" />'
      when 'down'
        return '<img src="/icons/status_down.png" alt="There are indications the service is down." title="There are indications the service is down." class="pull-right" />'
      when 'warning'
        return '<img src="/icons/status_warning.png" alt="There are issues with the service." title="There are issues with the service." class="pull-right" />'
      when 'maintenance'
        return '<img src="/icons/maintenance.png" alt="The service is undergoing scheduled maintenance." title="The service is undergoing scheduled maintenance." class="pull-right" />'
      else
        return '<img src="/icons/na.png" alt="No data available." title="No data available." class="pull-right" />'
    end
  end

  def item_icon(type)
    case type.to_s
      when 'maintenance'
        return '<img src="/icons/maintenance.png" alt="Scheduled maintenance" title="Scheduled maintenance" style="vertical-align: text-top;" />'
      when 'outage'
        return '<img src="/icons/outage.png" alt="Unplanned outage" title="Unplanned outage" style="vertical-align: text-top;" />'
      when 'information'
        return '<img src="/icons/information.png" alt="General information" title="General information" style="vertical-align: text-top;" />'
    end
  end

  def date_format(date)
    date.rfc2822
  end
end