from pydantic_settings import BaseSettings, SettingsConfigDict
from typing import Optional
from pathlib import Path


class Settings(BaseSettings):
    # Required
    LLM_PROVIDER: str
    MODEL_NAME: str

    # Optional
    OPENAI_API_KEY: Optional[str] = None
    HF_TOKEN: Optional[str] = None
    AMD_BASE_URL: Optional[str] = None

    # Pydantic v2 config
    model_config = SettingsConfigDict(
        env_file=str(Path(__file__).resolve().parent.parent.parent / ".env"),
        extra="ignore"
    )


settings = Settings()  # type: ignore