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"""
Commands that use the dictd protocol to snag stuff off a server.
"""

__revision__ = "$Id$"

import supybot.plugins as plugins

import sets
import random
import socket

import dictclient

import supybot.conf as conf
import supybot.utils as utils
from supybot.commands import *
import supybot.plugins as plugins
import supybot.ircutils as ircutils
import supybot.registry as registry
import supybot.webutils as webutils
import supybot.callbacks as callbacks

def configure(advanced):
    from supybot.questions import output, expect, anything, something, yn
    conf.registerPlugin('Dict', True)
    output('The default dictd server is dict.org.')
    if yn('Would you like to specify a different dictd server?'):
        server = something('What server?')
        conf.supybot.plugins.Dict.server.set(server)

conf.registerPlugin('Dict')
# TODO: We should make this check to see if there's actually a dictd server
# running on the host given.
conf.registerGlobalValue(conf.supybot.plugins.Dict, 'server',
    registry.String('dict.org', """Determines what server the bot will
    retrieve definitions from."""))
conf.registerChannelValue(conf.supybot.plugins.Dict, 'default',
    registry.String('', """Determines the default dictionary the bot will
    ask for definitions in.  If this value is '*' (without the quotes) the bot
    will use all dictionaries to define words."""))

class Dict(callbacks.Privmsg):
    threaded = True
    def dictionaries(self, irc, msg, args):
        """takes no arguments

        Returns the dictionaries valid for the dict command.
        """
        try:
            server = conf.supybot.plugins.Dict.server()
            conn = dictclient.Connection(server)
            dbs = conn.getdbdescs().keys()
            dbs.sort()
            irc.reply(utils.commaAndify(dbs))
        except socket.error, e:
            irc.error(webutils.strError(e))
    dictionaries = wrap(dictionaries)

    def random(self, irc, msg, args):
        """takes no arguments

        Returns a random valid dictionary.
        """
        try:
            server = conf.supybot.plugins.Dict.server()
            conn = dictclient.Connection(server)
            dbs = conn.getdbdescs().keys()
            irc.reply(random.choice(dbs))
        except socket.error, e:
            irc.error(webutils.strError(e))
    random = wrap(random)

    def dict(self, irc, msg, args, words):
        """[<dictionary>] <word>

        Looks up the definition of <word> on dict.org's dictd server.
        """
        try:
            server = conf.supybot.plugins.Dict.server()
            conn = dictclient.Connection(server)
        except socket.error, e:
            irc.error(webutils.strError(e), Raise=True)
        dbs = sets.Set(conn.getdbdescs())
        if words[0] in dbs:
            dictionary = words.pop(0)
        else:
            default = self.registryValue('default', msg.args[0])
            if default in dbs:
                dictionary = default
            else:
                if default:
                    self.log.info('Default dict for %s is not a supported '
                                  'dictionary: %s.', msg.args[0], default)
                dictionary = '*'
        if not words:
            irc.error('You must give a word to define.', Raise=True)
        word = ' '.join(words)
        definitions = conn.define(dictionary, word)
        dbs = sets.Set()
        if not definitions:
            if dictionary == '*':
                irc.reply('No definition for %s could be found.' %
                          utils.quoted(word))
            else:
                irc.reply('No definition for %s could be found in %s' %
                          (utils.quoted(word), ircutils.bold(dictionary)))
            return
        L = []
        for d in definitions:
            dbs.add(ircutils.bold(d.getdb().getname()))
            (db, s) = (d.getdb().getname(), d.getdefstr())
            db = ircutils.bold(db)
            s = utils.normalizeWhitespace(s).rstrip(';.,')
            L.append('%s: %s' % (db, s))
        utils.sortBy(len, L)
        if dictionary == '*' and len(dbs) > 1:
            s = '%s responded: %s' % (utils.commaAndify(dbs), '; '.join(L))
        else:
            s = '; '.join(L)
        irc.reply(s)
    dict = wrap(dict, [many('something')])


Class = Dict


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