module Geri
  module MetaHelper
    attr_reader :page_title

    def title(text)
      @page_title = text
    end

    def description(text)
      meta description: text
    end

    def keywords(*keywords)
      meta keywords: keywords
    end

    def meta(options=nil)
      @meta ||= {}
      @meta.reverse_merge!(options) if options
      @meta
    end

    def meta_tags
      html = ''.html_safe
      meta.each do |name, content|
        html << content_tag(:meta, '', name: name, content: (content.is_a?(Array) ? content.join(', ') : content))
      end
      html
    end

  end
end