# Copyright (c) 2014-2015, The Monero Project
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#    conditions and the following disclaimer.
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#    of conditions and the following disclaimer in the documentation and/or other
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

module Jekyll
  module Converters
    class Markdown < Converter
      alias base_converter convert
      @@moneropedia = Array.new
      @@moneropedia_ordered = Hash.new

      def convert(content)
        # build up index of Moneropedia summaries
        if @@moneropedia.empty?
          
          # grab all .md files in the Moneropedia folder, ignore index.md
          moneropedia_path = File.join(@config["source"], "/resources/moneropedia/*.md")
          files = Dir.glob(moneropedia_path).reject{|f| f =~ Regexp.new('index.md', Regexp::EXTENDED | Regexp::IGNORECASE) }

          # step through all the files
          files.each do |entry_file|
            entry = { }
            entry = SafeYAML.load_file(entry_file)

            if !entry.empty?
              @@moneropedia.push({ :terms => entry['terms'], :summary => entry['summary'], :file => File.basename(entry_file, ".*") })
              @@moneropedia_ordered = @@moneropedia_ordered.merge({ entry['entry'] => File.basename(entry_file, ".*") })
            end
          end
        end

        # Jekyll.logger.warn YAML::dump(@@moneropedia_ordered)
        if content.include? '@moneropedia'
          # Moneropedia index, replace with a list of entries
          cur_letter = 'A'
          replace = "<div class='col-md-4 col-sm-6 col-xs-12 moneropedia'>\n<h4 class='text-center'>A</h4>\n"
          @@moneropedia_ordered.sort.map do |entry, link|
            if cur_letter != entry[0]
              replace += "</div>\n<div class='col-md-4 col-sm-6 col-xs-12 moneropedia'>\n<h4 class='text-center'>" + entry[0] + "</h4>\n"
              cur_letter = entry[0]
            end
            replace += "<a href='/resources/moneropedia/" + link + ".html'>" + entry + "</a><br>\n"
          end
          replace += "</div>"
          content = content.gsub(/(\@moneropedia)/i, replace)          
        end

        # replace instances of @term with tooltips of the summary
        @@moneropedia.each do |entry|
          entry[:terms].each do |term|
            content = content.gsub(/(\@#{term})\b/i, '<a data-tooltip="' + entry[:summary] + '" href="/resources/moneropedia/' + entry[:file] + '.html" >' + term.gsub('-',' ') + '</a>')
          end
        end
        
        base_converter(content)
      end
    end
  end
end