from pydantic import SecretStr
from pydantic_settings import BaseSettings, SettingsConfigDict


class Settings(BaseSettings):
    """
    Application settings loaded from environment variables or a .env file.
    """
    bot_token: SecretStr
    group_chat_id: int
    admin_ids: str
    disable_captcha: bool = False

    @property
    def admins(self) -> list[int]:
        return [int(x.strip()) for x in self.admin_ids.split(",") if x.strip().isdigit()]

    # Tell Pydantic to read from a .env file if it exists, ignoring extra fields
    model_config = SettingsConfigDict(
        env_file=".env",
        env_file_encoding="utf-8",
        extra="ignore",
    )


# Instantiate the settings so they can be imported elsewhere
settings = Settings()