###
# Copyright (c) 2013, Valentin Lorentz
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
#   * Redistributions of source code must retain the above copyright notice,
#     this list of conditions, and the following disclaimer.
#   * Redistributions in binary form must reproduce the above copyright notice,
#     this list of conditions, and the following disclaimer in the
#     documentation and/or other materials provided with the distribution.
#   * Neither the name of the author of this software nor the name of
#     contributors to this software may be used to endorse or promote products
#     derived from this software without specific prior written consent.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.

###

import json
import operator
try:
    from urllib import quote
except:
    from urllib.request import quote

import supybot.utils as utils
from supybot.commands import *
import supybot.plugins as plugins
import supybot.ircutils as ircutils
import supybot.callbacks as callbacks
try:
    from supybot.i18n import PluginInternationalization
    _ = PluginInternationalization('AutoTrans')
except:
    # Placeholder that allows to run the plugin on a bot
    # without the i18n module
    _ = lambda x:x

class AutoTrans(callbacks.Plugin):
    """Add the help for "@plugin help AutoTrans" here
    This should describe *how* to use this plugin."""
    threaded = True

    def doPrivmsg(self, irc, msg):
        channel = msg.args[0]
        conf = list(map(lambda x:x.split(':'),
            self.registryValue('queries', channel)))

        headers = utils.web.defaultHeaders
        headers['User-Agent'] = ('Mozilla/5.0 (X11; U; Linux i686) '
                                 'Gecko/20071127 Firefox/2.0.0.11')

        origin_text = quote(msg.args[1])

        
        for lang in set(map(operator.itemgetter(1), conf)):
            result = utils.web.getUrlFd('http://translate.google.com/translate_a/t'
                                        '?client=t&hl=en&sl=auto&tl=%s&multires=1'
                                        '&otf=1&ssel=0&tsel=0&uptl=%s&sc=1&text='
                                        '%s' % (lang, lang, origin_text),
                                        headers).read().decode('utf8')

            while ',,' in result:
                result = result.replace(',,', ',null,')
            data = json.loads(result)

            try:
                language = data[2]
            except:
                language = 'unknown'

            text = ''.join(x[0] for x in data[0])
            text = '<%s@%s> %s' % (msg.nick, channel, text)
            for (nick, user_lang) in conf:
                if user_lang != language and user_lang == lang:
                    irc.reply(text, to=nick, private=True)


Class = AutoTrans


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