#
# This file is part of FreedomBox.
#
# 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/>.
#
"""
FreedomBox app to configure XMPP web client/jsxc.
"""

import logging

from django.urls import reverse_lazy
from django.utils.translation import ugettext_lazy as _

from plinth import app as app_module
from plinth import frontpage, menu
from plinth import service as service_module

from .manifest import backup, clients

version = 1

managed_packages = ['libjs-jsxc']

name = _('JSXC')

short_description = _('Chat Client')

description = [
    _('JSXC is a web client for XMPP. Typically it is used with an XMPP '
      'server running locally.'),
]

clients = clients

service = None

logger = logging.getLogger(__name__)

app = None


class JSXCApp(app_module.App):
    """FreedomBox app for JSXC."""

    def __init__(self):
        """Create components for the app."""
        super().__init__()
        menu_item = menu.Menu('menu-jsxc', name, short_description, 'jsxc',
                              'jsxc:index', parent_url_name='apps')
        self.add(menu_item)

        shortcut = frontpage.Shortcut(
            'shortcut-jsxc', name=name, short_description=short_description,
            icon='jsxc', url=reverse_lazy('jsxc:jsxc'), clients=clients)
        self.add(shortcut)


def init():
    """Initialize the JSXC module"""
    global app
    app = JSXCApp()

    global service
    setup_helper = globals()['setup_helper']
    if setup_helper.get_state() != 'needs-setup':
        service = service_module.Service(
            'jsxc', name, ports=['http', 'https'], is_external=True,
            is_enabled=is_enabled, enable=enable, disable=disable)
        if is_enabled():
            app.set_enabled(True)


def setup(helper, old_version=None):
    """Install and configure the module."""
    helper.install(managed_packages)

    global service
    if not service:
        service = service_module.Service(
            'jsxc', name, ports=['http', 'https'], is_external=True,
            is_enabled=is_enabled, enable=enable, disable=disable)

    helper.call('post', app.enable)


def is_enabled():
    """Return whether the module is enabled."""
    setup_helper = globals()['setup_helper']
    return setup_helper.get_state() != 'needs-setup'


def enable():
    app.enable()


def disable():
    app.disable()