###
# Copyright (c) 2014, James Lu (GLolol)
# 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 re

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

class NoTrigger(callbacks.Plugin):
    """Mods outFilter to prevent the bot from triggering other bots."""
    
    def isChanStripColor(self, irc, channel):
        c = irc.state.channels[channel]
        for item in self.registryValue('colorAware.modes'):
            if item in c.modes:
                return True
        return False
    
    def outFilter(self, irc, msg):
        if msg.command == 'PRIVMSG' and \
            ircutils.isChannel(msg.args[0]) and \
            self.registryValue('enable', msg.args[0]):
            s = msg.args[1]
            prefixes = ["+", "$", ";", ".", "%", "!", "`", "\\", "@", "&", 
                        "*", "~", ":", "^", "(", ")", "-", "=", ">", "<", ","]
            rpairs = {"\007":"",
                     }
            if self.registryValue('colorAware') and \
                self.isChanStripColor(irc, msg.args[0]):
                rpairs['moo'] = 'm#oo'
                # \003 = Colour (Ctrl+K), \002 = Bold (Ctrl+B), \017 =
                # Reset Formatting (Ctrl+O), \037 = Underline,
                # \026 = Italic/Reverse video
                prefixes += ["\003", "\002", "\017", "\037", "\026"]
            else:
                rpairs['moo'] = 'm\003oo'
            if self.registryValue('spaceBeforeNicks', msg.args[0]):
                # If the last character of the first word ends with a ',' or
                # ':', prepend a space.
                if s.split()[0][-1] in [",", ":"]:
                    s = " " + s
            # Handle actions properly but destroy any other \001 (CTCP) messages
            if self.registryValue('blockCtcp', msg.args[0]) and \
                s.startswith("\001") and not s.startswith("\001ACTION"):
                s = s[1:-1]
            for k, v in rpairs.iteritems():
                s = s.replace(k, v)
            for item in prefixes:
                if s.startswith(item):
                    s = " " + s
            msg = ircmsgs.privmsg(msg.args[0], s, msg=msg)
        return msg


Class = NoTrigger


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