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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
import supybot.plugins as plugins
import supybot.webutils as webutils
import supybot.registry as registry
import supybot.ircutils as ircutils
import supybot.privmsgs as privmsgs
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))

    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))

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

        Looks up the definition of <word> on dict.org's dictd server.
        """
        if not args:
            raise callbacks.ArgumentError
        try:
            server = conf.supybot.plugins.Dict.server()
            conn = dictclient.Connection(server)
        except socket.error, e:
            irc.error(webutils.strError(e))
            return
        dbs = sets.Set(conn.getdbdescs())
        if args[0] in dbs:
            dictionary = args.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 = '*'
        word = privmsgs.getArgs(args)
        if not word:
            irc.error('You must give a word to define.', Raise=True)
        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)


Class = Dict


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