#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (C) 2010-2012 Étienne Loks  <etienne.loks_AT_peacefrogsDOTnet>

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero 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 Affero General Public License for more details.

# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# See the file COPYING for details.

"""
Menus
"""

from django.conf import settings
from django.utils.translation import ugettext_lazy as _

from menu_base import SectionItem, MenuItem
import models

_extra_menus = []
# collect menu from INSTALLED_APPS
for app in settings.INSTALLED_APPS:
    mod = __import__(app, fromlist=['ishtar_menu'])
    if hasattr(mod, 'ishtar_menu'):
        menu = getattr(mod, 'ishtar_menu')
        _extra_menus += menu.MENU_SECTIONS

# sort
__section_items = [menu for order, menu in sorted(_extra_menus,
                                                  key=lambda x:x[0])]
# regroup menus
_section_items, __keys = [], []
for section_item in __section_items:
    if section_item.idx not in __keys:
        __keys.append(section_item.idx)
        _section_items.append(section_item)
        continue
    section_childs = _section_items[__keys.index(section_item.idx)].childs
    childs_idx = [child.idx for child in section_childs]
    for child in section_item.childs:
        if child.idx not in childs_idx:
            section_childs.append(child)

class Menu:
    childs = _section_items
    def __init__(self, user):
        self.user = user
        self.initialized = False
        self.items = {}

    def init(self):
        if self.initialized:
            return
        self.items = {}
        for main_menu in self.childs:
            main_menu.set_items(self.user, self.items)
        self.initialized = True

menu = Menu(None)
menu.init()