require 'cinch'
require 'open-uri'
require 'nokogiri'
require 'cgi'

class UrbanDictionary
  include Cinch::Plugin

  match /urban (.+)/
  def lookup(word)
    url = "http://www.urbandictionary.com/define.php?term=#{CGI.escape(word)}"
    CGI.unescape_html Nokogiri::HTML(open(url)).at("div.definition").text.gsub(/\s+/, ' ') rescue nil
  end

  def execute(m, word)
    m.reply(lookup(word) || "No results found", true)
  end
end

bot = Cinch::Bot.new do
  configure do |c|
    c.server = "irc.freenode.net"
    c.nick   = "MrCinch"
    c.channels = ["#cinch-bots"]
    c.plugins.plugins = [UrbanDictionary]
  end
end

bot.start