import logging
import os

logger = logging.getLogger(__name__)


def verify_settings():
    card_envs = [
        "MIFARE_APP_MASTER_KEY",
        "MIFARE_ACL_READ_BASE_KEY",
        "MIFARE_ACL_WRITE_BASE_KEY",
    ]
    important_envs = ["SECRET_KEY"]
    other_envs = ["SQLALCHEMY_DATABASE_URL"]
    for setting in card_envs:
        if (setting not in os.environ or setting == "") and not os.getenv(
            "DISABLE_CARDS"
        ):
            raise ValueError(
                f"Missing environment variable for scanner start: {setting} \n Run with DISABLE_CARDS env var to disable cards"  # noqa: E501
            )
    for setting in important_envs:
        if setting not in os.environ or setting == "":
            raise ValueError(
                f"Missing critical environment variable {setting}. Stopping..."
            )
    for setting in other_envs:
        if setting not in os.environ:
            logger.critical(f"Env var {setting} not set. Continuing with defaults.")