require 'ferret'

module Enid
  class Entry
    def open_index(path)
      @idx = Ferret::Index::Index.new(:path => path,
                                      :id_field => :id,
                                      :key => :id)
    end

    def reindex(world)
      raise "No index opened"  unless @idx

      index world
      @idx.flush
      @idx.optimize
    end

    def search_ferret(query)
      raise "No index opened"  unless @idx

      topdocs = @idx.search(query, :limit => 25)
      [topdocs.hits.map { |doc, score|
         @idx[doc.doc]
       },
       topdocs.total_hits]
    end

    def index(world)
      world.each { |id, entry|
        @idx << {:id => entry.id,
                 :body => entry.entry.to_html.gsub(/\A<p>|<\/p>\z/, '')}
      }
      self
    end
  end
end