# -*- coding: utf-8 -*-
#
# Copyright (c) 2013 by MuxMouse
#
# Save the current window number by escaping weechat and jump to this
# window after starting weechat. If you turn auto_save off weechat will
# always jump to the same window.
#
# 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/>.
#
# 2012-03-28: , MuxMouse (freenode.#weechat-de)
#       0.1 : initial release
#
# requires: WeeChat version 0.3.0
######################################################################################
#                                 --> IMPORTANT <--                                  #
######################################################################################
# For running lastwindow at startup add "/wait 1ms /script load lastwindow.py" to
# weechat.startup.command_after_plugins. Separate more than one command with ";". 
# /set weechat.startup.command_after_plugins "/wait 1ms /script load lastwindow.py"
# /set weechat.startup.command_after_plugins "/wait 1ms /script load lastwindow.py;..."
 

try:
    import weechat,re

except Exception:
    print("This script must be run under WeeChat.")
    print("Get WeeChat now at: http://www.weechat.org/")
    quit()
 
SCRIPT_NAME     = "lastwindow"
SCRIPT_AUTHOR   = "MuxMouse>"
SCRIPT_VERSION  = "0.1"
SCRIPT_LICENSE  = "GPL"
SCRIPT_DESC     = "Save the current window number by escaping weechat and jump to this window after starting weechat. If you turn auto_save off weechat will always jump to the same window." 
OPTIONS         = { 'last_window'        : ('1', 'Window number by escaping weechat.'),
                    'auto_save'          : ('on', 'Autosave the current window number by escaping weechat.'),
                  }

Hooks = {'quit': ''}

# ================================[ save current window ]=========================================
def saveIntOfCurrentWindow_cb(signal, callback, callback_data):
    if weechat.window_get_integer(weechat.current_window(), "number") > 1 and OPTIONS['auto_save'].lower() == 'on':
        weechat.config_set_plugin("last_window", str(weechat.window_get_integer(weechat.current_window(), 'number')))
    return weechat.WEECHAT_RC_OK

# ================================[ jump to current window ]======================================
def jumpToCurrentWindow():
    if int(OPTIONS["last_window"]) > 1:
        weechat.command(weechat.current_window(), "/window %s" % OPTIONS["last_window"])

# ================================[ weechat options & description ]===============================
def init_options():
    for option,value in list(OPTIONS.items()):
        weechat.config_set_desc_plugin(option, '%s (default: "%s")' % (value[1], value[0]))
        if not weechat.config_is_set_plugin(option):
            weechat.config_set_plugin(option, value[0])
            OPTIONS[option] = value[0]
        else:
            OPTIONS[option] = weechat.config_get_plugin(option)

def toggle_refresh_cb(pointer, name, value):
    global OPTIONS
    option = name[len('plugins.var.python.' + SCRIPT_NAME + '.'):]        # get optionname
    OPTIONS[option] = value                                               # save new value

    if OPTIONS['auto_save'].lower() == "off":
        if Hooks['quit']:
            Hooks['quit'] = ''
            weechat.unhook(Hooks['quit'])
    elif OPTIONS['auto_save'].lower() == "on":
        if not Hooks['quit']:
            Hooks['quit'] = weechat.hook_signal('quit', 'saveIntOfCurrentWindow_cb', '')

    return weechat.WEECHAT_RC_OK

# =========================================[ main ]===============================================
if __name__ == "__main__":
    if weechat.register(SCRIPT_NAME, SCRIPT_AUTHOR, SCRIPT_VERSION, SCRIPT_LICENSE, SCRIPT_DESC, '', ''):
        version = weechat.info_get("version_number", "") or 0
#        if int(version) >= 0x00030600:
#        else:
#            weechat.prnt("","%s%s %s" % (weechat.prefix("error"),SCRIPT_NAME,": needs version 0.3.6 or higher"))#            weechat.command("","/wait 1ms /python unload %s" % SCRIPT_NAME)

        init_options()

        weechat.hook_config( 'plugins.var.python.' + SCRIPT_NAME + '.*', 'toggle_refresh_cb', '' )
        Hooks['quit'] = weechat.hook_signal('quit', 'saveIntOfCurrentWindow_cb', '')

        jumpToCurrentWindow()