from django.db import IntegrityError
from django.contrib.auth import get_user_model
from django.utils.text import slugify


User = get_user_model()


def generate_random_username(first_name, last_name, email, id=0):
    username = '{}-{}'.format(
        slugify(first_name.split(' ')[0]),
        slugify(last_name.split(' ')[0]))

    password = User.objects.make_random_password()

    if id != 0:
        username += '-{}'.format(id)

    try:
        user = User(
            username=username,
            first_name=first_name,
            last_name=last_name,
            email=email)
        user.set_password(password)

        return user, password
    except IntegrityError:
        generate_random_username(first_name, last_name, email, id += 1)