#++
#
# :title: Douglas Crockford / Bruce Schneier facts plugin for rbot
#
# Author:: Matthew M. Boedicker <matthewm@boedicker.org>
#
# Copyright:: (C) 2010 Matthew M. Boedicker
#
# License:: GPL v3
#
# Version:: 0.2
#
# Retrieves a random Crockford or Schneier fact.

%w{
hpricot
htmlentities
}.each { |m| require m }

class CrockfordPlugin < Plugin

  def help(plugin, topic='')
    'show a random Douglas Crockford or Bruce Schneier fact: crockford|schneier'
  end

  def get_fact(url, xpath)
    data = @bot.httputil.get(url, :cache => false)
    doc = Hpricot(data)
    HTMLEntities.new.decode((doc/xpath).inner_html).strip
  end

  def crockford(m, params)
    m.reply(html_to_irc(get_fact('http://crockfordfacts.com/', 'div#dcf/h2')))
  end

  def schneier(m, params)
    m.reply(html_to_irc(get_fact('http://www.schneierfacts.com/', 'p.fact')))
  end

  def html_to_irc(s)
    s.gsub(/<(i)>(.*?)<\/\1>/i, "#{Italic}\\2#{NormalText}").
      gsub(/<(u)>(.*?)<\/\1>/i, "#{Underline}\\2#{NormalText}").
      gsub(/<(b|em)>(.*?)<\/\1>/i, "#{Bold}\\2#{NormalText}")
  end

end

plugin = CrockfordPlugin.new
plugin.map('crockford', :action => 'crockford')
plugin.map('schneier', :action => 'schneier')