# -*- coding: utf-8 -*-
#
# Copyright (C) 2013 Brian S. Stephan <bss@incorporeal.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# Convenience commands for appending/prepending text to the channel topic
# or other buffer title.
#
# 2013-02-16 v0.1
#     initial script, /topicpre

try:
    import weechat
except:
    print("This script must be run under WeeChat.")
    print("Get WeeChat now at: http://www.weechat.org/")

SCRIPT_NAME     = "topicutil"
SCRIPT_AUTHOR   = "Brian S. Stephan <bss@incorporeal.org>"
SCRIPT_VERSION  = "0.1"
SCRIPT_LICENSE  = "GPL3"
SCRIPT_DESC     = "Easily add text to the start of a channel topic"

settings = {
    'splitter': " | ",
}

def topic_prepend_cb(data, buffer, args):
    """Prepend some text to the current buffer's topic."""

    if args:
        splitter = weechat.config_get_plugin('splitter')
        topic = weechat.buffer_get_string(buffer, 'title')
        if topic != "":
            new_topic = "{0:s}{1:s}{2:s}".format(''.join(args), splitter,
                                                 topic)
        else:
            new_topic = "{0:s}".format(' '.join(args))

        weechat.command(buffer, '/topic {0:s}'.format(new_topic))
        return weechat.WEECHAT_RC_OK

if weechat.register(SCRIPT_NAME, SCRIPT_AUTHOR, SCRIPT_VERSION, SCRIPT_LICENSE,
                    SCRIPT_DESC, "", ""):
    # initialize default settings
    for option, default in settings.items():
        if weechat.config_get_plugin(option) == "":
            weechat.config_set_plugin(option, default)

    hook = weechat.hook_command("topicpre", topic_prepend_cb.__doc__,
                                "<text>", "text: data to add to topic",
                                '', 'topic_prepend_cb', '')