###
# Copyright (c) 2004, Kevin Murphy
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# modification, are permitted provided that the following conditions are met:
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#     this list of conditions, and the following disclaimer.
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#     contributors to this software may be used to endorse or promote products
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###

"""
Provides an interface to the wonders of UrbanDictionary.com.  This may include
some offensive definitions.
"""

__revision__ = "$Id$"

import supybot

__author__ = supybot.authors.skorobeus

import supybot.plugins as plugins

import re
import sets
import getopt
import socket
import urllib
import xml.dom.minidom
from itertools import imap, ifilter

import supybot.conf as conf
import supybot.utils as utils
import supybot.webutils as webutils
import supybot.privmsgs as privmsgs
import supybot.registry as registry
import supybot.callbacks as callbacks

conf.registerPlugin('UrbanDict')

class UrbanDict(callbacks.Privmsg):
    threaded = True
    callBefore = ['URL']
    def callCommand(self, method, irc, msg, *L, **kwargs):
        try:
            super(UrbanDict, self).callCommand(method, irc, msg, *L, **kwargs)
        except webutils.WebError, e:
            irc.error(str(e))

    _wordRE = re.compile(r'<title>UrbanDictionary.com/(?P<word>.*?)</title>')
    _defUsageRE = re.compile(r'<div class="text">\s*<div class="def">'
                                r'(?P<definition>.*?)</div>\s*<div '
                                r'class="example">(?P<usage>.*?)</div>\s*<div '
                                r'class="source">.*?</div>\s*</div>\s*</td>',
                             re.MULTILINE | re.DOTALL)
    def urbandict(self, irc, msg, args):
        """[<phrase>]

        Returns the definition and usage of a random word from 
        UrbanDictionary.com.  The optional argument <phrase> specifies
        what phrase to define; if not given, a random phrase will be provided.
        """
        if args:
            phrase = 'define.php?term=%s' % '+'.join(args)
        else:
            phrase = 'random.php'
        site = 'www.urbandictionary.com'
        html = webutils.getUrl('http://%s/%s' % (site, phrase))
        wordMatch = self._wordRE.search(html)
        defMatch = self._defUsageRE.findall(html)
        if not wordMatch or not defMatch:
            irc.error('No definition found.')
            return
        word = '%(word)s' % wordMatch.groupdict()
        definitions = ['%s (%s)' % (pair[0], pair[1]) for pair in defMatch]
        irc.reply(utils.htmlToText('%s: %s' % (word, '; '.join(definitions))))

Class = UrbanDict

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