from __future__ import absolute_import

from django.core.management.base import BaseCommand

from django.contrib.sites.models import Site
from zerver.models import UserProfile, Stream, Recipient, \
    Subscription, Realm, get_client, email_to_username
from django.conf import settings
from zerver.lib.bulk_create import bulk_create_streams, bulk_create_users
from zerver.lib.actions import set_default_streams

from optparse import make_option

settings.TORNADO_SERVER = None

def create_users(realms, name_list, bot=False):
    user_set = set()
    for full_name, email in name_list:
        short_name = email_to_username(email)
        user_set.add((email, full_name, short_name, True))
    bulk_create_users(realms, user_set, bot)

def create_streams(realms, realm, stream_list):
    stream_set = set()
    for stream_name in stream_list:
        stream_set.add((realm.domain, stream_name))
    bulk_create_streams(realms, stream_set)

class Command(BaseCommand):
    help = "Populate an initial database for Zulip Enterprise"

    option_list = BaseCommand.option_list + (
        make_option('--extra-users',
                    dest='extra_users',
                    type='int',
                    default=0,
                    help='The number of extra users to create'),
        )

    def handle(self, **options):
        Realm.objects.create(domain="zulip.com")
        admin_realm = Realm.objects.create(domain=settings.ADMIN_DOMAIN)
        realms = {}
        for realm in Realm.objects.all():
            realms[realm.domain] = realm

        names = [(settings.FEEDBACK_BOT_NAME, settings.FEEDBACK_BOT)]
        create_users(realms, names, bot=True)

        get_client("website")
        get_client("API")

        all_realm_bots = [(bot['name'], bot['email_template'] % (settings.ADMIN_DOMAIN,)) for bot in settings.REALM_BOTS]
        create_users(realms, all_realm_bots, bot=True)
        # Set the owners for these bots to the bots themselves
        bots = UserProfile.objects.filter(email__in=[bot_info[1] for bot_info in all_realm_bots])
        for bot in bots:
            bot.bot_owner = bot
            bot.save()

        set_default_streams(admin_realm, ["social", "engineering"])

        self.stdout.write("Successfully populated database with initial data.\n")

    site = Site.objects.get_current()
    site.domain = settings.EXTERNAL_HOST
    site.save()