import random
import string

from django.core.management.base import BaseCommand
from django.core.exceptions import ObjectDoesNotExist
from django.contrib.auth import get_user_model
from django.conf import settings

from uncloud_pay.models import BillingAddress, RecurringPeriod, Product
from uncloud_net.models import UncloudNetwork
from uncloud.models import UncloudProvider


class Command(BaseCommand):
    help = 'Add standard uncloud values'

    def add_arguments(self, parser):
        pass

    def handle(self, *args, **options):
        # Order matters, objects can be dependent on each other

        admin_username="uncloud-admin"
        pw_length = 32

        # Only set password if the user did not exist before
        try:
            admin_user = get_user_model().objects.get(username=settings.UNCLOUD_ADMIN_NAME)
        except ObjectDoesNotExist:
            random_password = ''.join(random.SystemRandom().choice(string.ascii_lowercase + string.digits) for _ in range(pw_length))

            admin_user = get_user_model().objects.create_user(username=settings.UNCLOUD_ADMIN_NAME, password=random_password)
            admin_user.is_superuser=True
            admin_user.is_staff=True
            admin_user.save()

            print(f"Created admin user '{admin_username}' with password '{random_password}'")

        BillingAddress.populate_db_defaults()
        RecurringPeriod.populate_db_defaults()
        Product.populate_db_defaults()

        UncloudNetwork.populate_db_defaults()
        UncloudProvider.populate_db_defaults()