# -*- coding: utf-8 -*-
# vi:si:et:sw=4:sts=4:ts=4

##
## Copyright (C) 2010 Async Open Source <http://www.async.com.br>
## All rights reserved
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU Lesser General Public License as published by
## the Free Software Foundation; either version 2 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 Lesser General Public License for more details.
##
## You should have received a copy of the GNU Lesser General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., or visit: http://www.gnu.org/.
##
## Author(s): Stoq Team <stoq-devel@async.com.br>
##
##
"""Dialog for listing client categories"""

from decimal import Decimal

from kiwi.ui.objectlist import Column

from stoqlib.domain.person import ClientCategory, Client
from stoqlib.gui.base.lists import ModelListDialog, ModelListSlave
from stoqlib.gui.editors.clientcategoryeditor import ClientCategoryEditor
from stoqlib.lib.formatters import get_formatted_percentage
from stoqlib.lib.message import warning
from stoqlib.lib.translation import stoqlib_gettext

_ = stoqlib_gettext


class ClientCategoryListSlave(ModelListSlave):
    editor_class = ClientCategoryEditor
    model_type = ClientCategory
    columns = [
        Column('name', title=_('Category'),
                data_type=str, expand=True, sorted=True),
        Column('max_discount', title=_('Max discount'), data_type=Decimal,
               expand=True, format_func=get_formatted_percentage)
        ]

    def delete_model(self, model, store):
        if not model.can_remove():
            self.refresh()
            warning(_("%s cannot be deleted, because is used in one or more "
                      "products.") % model.name)
            return
        for client in store.find(Client, category=model):
            client.category = None
        model = store.fetch(model)
        model.remove()


class ClientCategoryDialog(ModelListDialog):
    list_slave_class = ClientCategoryListSlave
    title = _('Client categories')
    size = (620, 300)
