#!/usr/bin/env python

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# Copyright (c) 2002, Jeremiah Fincher
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"""
Babelfish-related commands.
"""

__revision__ = "$Id$"

import plugins

import random
from itertools import imap

import babelfish

import utils
import privmsgs
import callbacks


def configure(onStart, afterConnect, advanced):
    # This will be called by setup.py to configure this module.  onStart and
    # afterConnect are both lists.  Append to onStart the commands you would
    # like to be run when the bot is started; append to afterConnect the
    # commands you would like to be run when the bot has finished connecting.
    from questions import expect, anything, something, yn
    onStart.append('load Babelfish')

class Babelfish(callbacks.Privmsg):
    threaded = True
    _abbrevs = utils.abbrev(imap(str.lower, babelfish.available_languages))
    _abbrevs['de'] = 'german'
    _abbrevs['jp'] = 'japanese'
    _abbrevs['kr'] = 'korean'
    _abbrevs['es'] = 'spanish'
    _abbrevs['pt'] = 'portuguese'
    _abbrevs['it'] = 'italian'
    _abbrevs['zh'] = 'chinese'
    for language in babelfish.available_languages:
        _abbrevs[language] = language
    def translate(self, irc, msg, args):
        """<from-language> <to-language> <text>

        Returns <text> translated from <from-language> into <to-language>.
        """
        (fromLang, toLang, text) = privmsgs.getArgs(args, required=3)
        try:
            fromLang = self._abbrevs[fromLang.lower()]
            toLang = self._abbrevs[toLang.lower()]
            translation = babelfish.translate(text, fromLang, toLang)
            irc.reply(translation)
        except (KeyError, babelfish.LanguageNotAvailableError), e:
            irc.error('%s is not a valid language.  Valid languages '
                      'include %s' %
                      (e, utils.commaAndify(babelfish.available_languages)))
        except babelfish.BabelizerIOError, e:
            irc.error(e)
        except babelfish.BabelfishChangedError, e:
            irc.error('Babelfish has foiled our plans by changing its '
                           'webpage format')

    def babelize(self, irc, msg, args):
        """<from-language> <to-language> <text>

        Translates <text> repeatedly between <from-language> and <to-language>
        until it doesn't change anymore or 12 times, whichever is fewer.  One
        of the languages must be English.
        """
        (fromLang, toLang, text) = privmsgs.getArgs(args, required=3)
        try:
            fromLang = self._abbrevs[fromLang.lower()]
            toLang = self._abbrevs[toLang.lower()]
            if fromLang != 'english' and toLang != 'english':
                irc.error('One language must be English.')
                return
            translations = babelfish.babelize(text, fromLang, toLang)
            irc.reply(translations[-1])
        except (KeyError, babelfish.LanguageNotAvailableError), e:
            irc.reply('%s is not a valid language.  Valid languages '
                      'include %s' %
                      (e, utils.commaAndify(babelfish.available_languages)))
        except babelfish.BabelizerIOError, e:
            irc.reply(e)
        except babelfish.BabelfishChangedError, e:
            irc.reply('Babelfish has foiled our plans by changing its '
                           'webpage format')

    def randomlanguage(self, irc, msg, args):
        """[<allow-english>]

        Returns a random language supported by babelfish.  If <allow-english>
        is provided, will include English in the list of possible languages.
        """
        allowEnglish = privmsgs.getArgs(args, required=0, optional=1)
        language = random.choice(babelfish.available_languages)
        while not allowEnglish and language == 'English':
            language = random.choice(babelfish.available_languages)
        irc.reply(language)

    


Class = Babelfish

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