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

class Google
  include Cinch::Plugin
  match /google (.+)/

  def search(query)
    url = "http://www.google.com/search?q=#{CGI.escape(query)}"
    res = Nokogiri::HTML(open(url)).at("h3.r")

    title = res.text
    link = res.at('a')[:href]
    desc = res.at("./following::div").children.first.text
    CGI.unescape_html "#{title} - #{desc} (#{link})"
  rescue
    "No results found"
  end

  def execute(m, query)
    m.reply(search(query))
  end
end

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

class JoinPart
  include Cinch::Plugin

  match /join (.+)/, method: :join
  match /part(?: (.+))?/, method: :part

  def initialize(*args)
    super

    @admins = ["injekt", "DominikH"]
  end

  def check_user(user)
    user.refresh # be sure to refresh the data, or someone could steal
                 # the nick
    @admins.include?(user.authname)
  end

  def join(m, channel)
    return unless check_user(m.user)
    Channel(channel).join
  end

  def part(m, channel)
    return unless check_user(m.user)
    channel ||= m.channel
    Channel(channel).part if channel
  end
end

bot = Cinch::Bot.new do
  configure do |c|
    c.server = "irc.sinsira.net"
    c.channels = ["#test"]
	c.nick = "Eve"
	c.user = "Eve"
	c.realname = "Eve 1.a"
	c.plugins.plugins = [Google]
	c.plugins.plugins = [UrbanDictionary]
	c.plugins.plugins = [JoinPart]
  end

  on :message, "hello" do |m|
    m.reply "Hello, #{m.user.nick}"
  end
  on :action, "kicks the bot" do |m|
  m.reply "Ouch! Stop kicking me :(", true
  m.reply "I thought you loved me D:", true
end
end

bot.start