from __future__ import absolute_import

from typing import Any
from argparse import ArgumentParser

from django.core.management.base import BaseCommand

from zerver.lib.sessions import delete_all_user_sessions, \
    delete_realm_user_sessions, delete_all_deactivated_user_sessions
from zerver.models import get_realm

class Command(BaseCommand):
    help = "Log out all users."

    def add_arguments(self, parser):
        # type: (ArgumentParser) -> None
        parser.add_argument('--realm',
                            dest='realm',
                            action='store',
                            default=None,
                            help="Only logout all users in a particular realm")
        parser.add_argument('--deactivated-only',
                            action='store_true',
                            default=False,
                            help="Only logout all users who are deactivated")

    def handle(self, *args, **options):
        # type: (*Any, **Any) -> None
        if options["realm"]:
            realm = get_realm(options["realm"])
            delete_realm_user_sessions(realm)
        elif options["deactivated_only"]:
            delete_all_deactivated_user_sessions()
        else:
            delete_all_user_sessions()