###
# Copyright (c) 2004, Kevin Murphy
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###

"""
Provides commands and snarfers for the various different Geekquote-based sites
out there
"""

__revision__ = "$Id$"

import supybot

__author__ = supybot.authors.skorobeus
__contributors__ = {
    supybot.authors.skorobeus: ['geekquote snarfer', 'qdb'],
    }

import supybot.plugins as plugins

import re
import sets
import time
import getopt
import socket
import urllib
import xml.dom.minidom

from itertools import imap, ifilter

import supybot.fix as fix
import supybot.conf as conf
import supybot.utils as utils
from supybot.commands import *
import supybot.webutils as webutils
import supybot.privmsgs as privmsgs
import supybot.registry as registry
import supybot.callbacks as callbacks

def configure(advanced):
    from supybot.questions import output, expect, anything, something, yn
    conf.registerPlugin('Geekquote', True)
    output("""The Geekquote plugin has the ability to watch for geekquote
              (bash.org / qdb.us) URLs and respond to them as though the user
              had asked for the geekquote by ID""")
    if yn('Do you want the Geekquote snarfer enabled by default?'):
        conf.supybot.plugins.Geekquote.geekSnarfer.setValue(True)

conf.registerPlugin('Geekquote')
conf.registerChannelValue(conf.supybot.plugins.Geekquote, 'geekSnarfer',
    registry.Boolean(False, """Determines whether the bot will automatically
    'snarf' Geekquote URLs and print information about them."""))

class Geekquote(callbacks.PrivmsgCommandAndRegexp):
    threaded = True
    callBefore = ['URL']
    regexps = ['geekSnarfer']

    def __init__(self):
        self.__parent = super(Geekquote, self)
        self.__parent.__init__()
        self.maxqdbPages = 403
        self.lastqdbRandomTime = 0
        self.randomData = {'qdb.us':[],
                            'bash.org':[]
                            }

    def callCommand(self, method, irc, msg, *L, **kwargs):
        try:
            super(Geekquote, self).callCommand(method, irc, msg, *L, **kwargs)
        except webutils.WebError, e:
            irc.error(str(e))

    _joiner = ' // '
    _qdbReString = r'<tr><td bgcolor="#(?:ffffff|e8e8e8)"><a href="/\d*?">'\
                    r'#\d*?</a>.*?<p>(?P<text>.*?)</p></td></tr>'
    _gkREDict = {'bash.org':re.compile(r'<p class="qt">(?P<text>.*?)</p>',
                    re.M | re.DOTALL),
                'qdb.us':re.compile(_qdbReString, re.M | re.DOTALL)}
    def _gkBackend(self, irc, msg, site, id):
        if id:
            try:
                id = int(id)
            except ValueError:
                irc.error('Invalid id: %s' % id, Raise=True)
            #id = 'quote=%s' % id
        else:
            id = 'random'
        fetchData = True
        quote = ''
        if id == 'random':
            timeRemaining = int(time.time()) - self.lastqdbRandomTime
            if self.randomData[site]:
                quote = self.randomData[site].pop()
            else:
                if (site == 'qdb.us' and
                            int(time.time()) - self.lastqdbRandomTime <= 90):
                    id = 'browse=%s' % fix.choice(range(self.maxqdbPages))
                quote = self._gkFetchData(site, id, random=True)
        else:
            quote = self._gkFetchData(site, id)
        irc.replies(quote.split(self._joiner), joiner=self._joiner)

    def _gkFetchData(self, site, id, random=False):
        html = ''
        try:
            html = webutils.getUrl('http://%s/?%s' % (site, id))
        except webutils.WebError, e:
            self.log.info('%s server returned the error: %s' % \
                    (site, webutils.strError(e)))
        for item in self._gkREDict[site].finditer(html):
            s = item.groupdict()['text']
            s = self._joiner.join(s.splitlines())
            s = utils.htmlToText(s)
            if random and s:
                if s not in self.randomData[site]:
                    self.randomData[site].append(s)
            else:
                break
        if not s:
            return 'Could not find a quote for id %s.' % id
        else:
            if random:
                # To make sure and remove the first quote from the list so it
                self.randomData[site].pop()
            return s

    def geekSnarfer(self, irc, msg, match):
        r'http://(?:www\.)?(?P<site>bash\.org|qdb\.us)/\?(?P<id>\d+)'
        if not self.registryValue('geekSnarfer', msg.args[0]):
            return
        id = match.groupdict()['id']
        site = match.groupdict()['site']
        self.log.info('Snarfing geekquote %s from %s.' % (id, site))
        self._gkBackend(irc, msg, site, id)
    geekSnarfer = wrap(geekSnarfer, decorators=['urlSnarfer'])

    def geekquote(self, irc, msg, args, id):
        """[<id>]

        Returns a random geek quote from bash.org; the optional argument
        <id> specifies which quote to retrieve.
        """
        site = 'bash.org'
        self._gkBackend(irc, msg, site, id)
    geekquote = wrap(geekquote, [optional(('id', 'geekquote'))])

    def qdb(self, irc, msg, args, id):
        """[<id>]

        Returns a random geek quote from qdb.us; the optional argument
        <id> specifies which quote to retrieve.
        """
        id = privmsgs.getArgs(args, required=0, optional=1)
        site = 'qdb.us'
        self._gkBackend(irc, msg, site, id)
    qdb = wrap(qdb, [optional(('id', 'qdb'))])

Class = Geekquote

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