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# This file is part of python-cinema-club-bot
# contributed in 2024 by Mikhail Kirillov (~w96k) <w96k@runbox.com>

# To the extent possible under law, the author(s) have dedicated all copyright
# and related and neighboring rights to this software to the public domain
# worldwide. This software is distributed without any warranty.

# You should have received a copy of the CC0 Public Domain Dedication along
# with this software. If not, see:
# <http://creativecommons.org/publicdomain/zero/1.0/>

from telegram.ext import ContextTypes
from collections import deque

def context_init(context: ContextTypes.DEFAULT_TYPE):
    """
    Initialize chat context with starting values
    """

    if "users" not in context.chat_data:
        context.chat_data["users"]: list[str] = []

    if "movies" not in context.chat_data:
        context.chat_data["movies"]: list[dict] = []

    if "events" not in context.chat_data:
        context.chat_data["events"]: list[dict] = []

    return context


def normalize_username(username: str):
    return username.replace("@", "")


def create_users_string(users: list[str]) -> str:
    return "`" + ", ".join(users) + "`"


def choose_next_user(users: list[dict]) -> list[dict]:
    users = deque(users)
    users.rotate(-1)  # -1 moves list to left by 1 element

    return list(users)