###
# Copyright (c) 2004, Jeremiah Fincher
# 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.
###

"""
Allows folks to talk through the bot anonymously.
"""

__revision__ = "$Id: Anonymous.py,v 1.15 2005/01/10 18:29:42 jamessan Exp $"

import supybot.plugins as plugins

import supybot.conf as conf
import supybot.utils as utils
import supybot.ircdb as ircdb
from supybot.commands import *
import supybot.ircmsgs as ircmsgs
import supybot.registry as registry
import supybot.callbacks as callbacks


def configure(advanced):
    # This will be called by setup.py to configure this module.  Advanced is
    # a bool that specifies whether the user identified himself as an advanced
    # user or not.  You should effect your configuration by manipulating the
    # registry as appropriate.
    from supybot.questions import expect, anything, something, yn
    conf.registerPlugin('Anonymous', True)

conf.registerPlugin('Anonymous')
conf.registerChannelValue(conf.supybot.plugins.Anonymous,
    'requirePresenceInChannel', registry.Boolean(True, """Determines whether
    the bot should require people trying to use this plugin to be in the
    channel they wish to anonymously send to."""))
conf.registerGlobalValue(conf.supybot.plugins.Anonymous, 'requireRegistration',
    registry.Boolean(True, """Determines whether the bot should require people
    trying to use this plugin to be registered."""))
conf.registerGlobalValue(conf.supybot.plugins.Anonymous, 'requireCapability',
    registry.String('', """Determines what capability (if any) the bot should
    require people trying to use this plugin to have."""))
conf.registerGlobalValue(conf.supybot.plugins.Anonymous, 'allowPrivateTarget',
    registry.Boolean(False, """Determines whether the bot will require targets
    of the "say" command to be public (i.e., channels).  If this is True, the
    bot will allow people to use the "say" command to send private messages to
    other users."""))


class Anonymous(callbacks.Privmsg):
    private = True
    def _preCheck(self, irc, msg, channel):
        if self.registryValue('requireRegistration'):
            try:
                _ = ircdb.users.getUser(msg.prefix)
            except KeyError:
                irc.errorNotRegistered(Raise=True)
        capability = self.registryValue('requireCapability')
        if capability:
            if not ircdb.checkCapability(msg.prefix, capability):
                irc.errorNoCapability(capability, Raise=True)
        if self.registryValue('requirePresenceInChannel', channel) and \
           msg.nick not in irc.state.channels[channel].users:
            irc.error('You must be in %s to "say" in there.' % channel,
                      Raise=True)
        c = ircdb.channels.getChannel(channel)
        if c.lobotomized:
            irc.error('I\'m lobotomized in %s.' % channel, Raise=True)
        if not c._checkCapability(self.name()):
            irc.error('That channel has set its capabilities so as to '
                      'disallow the use of this plugin.', Raise=True)

    def say(self, irc, msg, args, channel, text):
        """<channel> <text>

        Sends <text> to <channel>.
        """
        self._preCheck(irc, msg, channel)
        self.log.info('Saying %s in %s due to %s.',
                      utils.quoted(text), channel, msg.prefix)
        irc.queueMsg(ircmsgs.privmsg(channel, text))
        irc.noReply()
    say = wrap(say, ['inChannel', 'text'])

    def do(self, irc, msg, args, channel, text):
        """<channel> <action>

        Performs <action> in <channel>.
        """
        self._preCheck(irc, msg, channel)
        self.log.info('Performing %s in %s due to %s.',
                      utils.quoted(text), channel, msg.prefix)
        irc.queueMsg(ircmsgs.action(channel, text))
        irc.noReply()
    do = wrap(do, ['inChannel', 'text'])


Class = Anonymous

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