#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (C) 2012-2013 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.

class SectionItem:
    def __init__(self, idx, label, childs=[]):
        self.idx = idx
        self.label = label
        self.childs = childs
        self.available = False
        self.items = {}

    def can_be_available(self, user):
        for child in self.childs:
            if child.can_be_available(user):
                return True
        return False

    def is_available(self, user, obj=None):
        for child in self.childs:
            if child.is_available(user, obj):
                return True
        return False

    def set_items(self, user, items):
        if user:
            self.available = self.can_be_available(user)
        for child in self.childs:
            child.set_items(user, items)
            items[child.idx] = child

class MenuItem:
    def __init__(self, idx, label, model=None, access_controls=[]):
        self.idx = idx
        self.label = label
        self.model = model
        self.access_controls = access_controls
        self.available = False

    def can_be_available(self, user):
        if not self.access_controls:
            return True
        for access_control in self.access_controls:
            access_control = self.model._meta.app_label + '.' + access_control
            if user.has_perm(access_control, self.model):
                return True
        # manage by person type
        if hasattr(user, 'ishtaruser'):
            person_type = user.ishtaruser.person.person_type
            if person_type.rights.filter(wizard__url_name=self.idx).count():
                return True
        return False

    def is_available(self, user, obj=None):
        if not self.access_controls:
            return True
        for access_control in self.access_controls:
            access_control = self.model._meta.app_label + '.' + access_control
            if user.has_perm(access_control, self.model, obj):
                return True
        # manage by person type
        if hasattr(user, 'ishtaruser'):
            person_type = user.ishtaruser.person.person_type
            if person_type.rights.filter(wizard__url_name=self.idx).count():
                return True
        return False

    def set_items(self, user, items):
        if user:
            self.available = self.can_be_available(user)