"""Generates fake user accounts."""

from io import BytesIO
from time import sleep

import requests
from PIL import Image
from faker import Faker

from lumi2.usermodel import User
import lumi2.ldap as ldap


def get_random_avatar() -> Image.Image:
    """Returns a PIL JPEG Image of an AI-generated cat."""

    url = "https://thiscatdoesnotexist.com/"
    response = requests.get(url)
    if response.status_code != 200:
        raise RuntimeError(
            f"Request to '{url}' failed with code {response.status_code}."
        )

    return Image.open(BytesIO(response.content))


def generate_random_user() -> User:
    """Generates a randomized user object and returns it."""

    faker = Faker()

    return User(
        faker.user_name(),
        User.generate_password_hash(faker.password()),
        faker.email(),
        faker.first_name(),
        faker.last_name(),
        picture=get_random_avatar(),
    )


def populate_users(num_of_users: int = 10) -> None:
    """Populates the DIT with the specified number of randomly generated users."""

    conn = ldap.get_connection()
    for i in range(num_of_users):
        print(f"Creating a random user... ({i+1}/{num_of_users})")
        user = generate_random_user()
        ldap.create_user(conn, user)
        user._generate_static_images()
        # Delay to give 'thispersondoesnotexist.com' time to generate a new image
        if i < num_of_users - 1:
            sleep(1)
    conn.unbind()