from argparse import ArgumentParser
from typing import Any

from zerver.lib.actions import do_deactivate_user
from zerver.lib.management import CommandError, ZulipBaseCommand
from zerver.lib.sessions import user_sessions
from zerver.models import UserProfile


class Command(ZulipBaseCommand):
    help = "Deactivate a user, including forcibly logging them out."

    def add_arguments(self, parser: ArgumentParser) -> None:
        parser.add_argument('-f', '--for-real',
                            action='store_true',
                            help="Actually deactivate the user. Default is a dry run.")
        parser.add_argument('email', metavar='<email>',
                            help='email of user to deactivate')
        self.add_realm_args(parser)

    def handle(self, *args: Any, **options: Any) -> None:
        realm = self.get_realm(options)
        user_profile = self.get_user(options['email'], realm)

        print(f"Deactivating {user_profile.full_name} ({user_profile.delivery_email}) - {user_profile.realm.string_id}")
        print(f"{user_profile.delivery_email} has the following active sessions:")
        for session in user_sessions(user_profile):
            print(session.expire_date, session.get_decoded())
        print("")
        print("{} has {} active bots that will also be deactivated.".format(
            user_profile.delivery_email,
            UserProfile.objects.filter(
                is_bot=True, is_active=True, bot_owner=user_profile,
            ).count(),
        ))

        if not options["for_real"]:
            raise CommandError("This was a dry run. Pass -f to actually deactivate.")

        do_deactivate_user(user_profile)
        print("Sessions deleted, user deactivated.")