import csv
import jwt
import time


def load_api_key(csv_path="apiKey.csv"):
    with open(csv_path, newline="", encoding="utf-8") as f:
        reader = csv.DictReader(f)
        return next(reader)


def generate_token():
    data = load_api_key()

    identity = data["identity"]
    secret = data["secret"]

    iat = int(time.time())
    exp = iat + 60  # <= 64 сек

    payload = {"iss": identity, "iat": iat, "exp": exp}

    token = jwt.encode(payload, secret, algorithm="HS512")

    return token