from functools import lru_cache

from pydantic_settings import BaseSettings, SettingsConfigDict


class Settings(BaseSettings):
    openai_api_key: str
    model_to_use: str = "gpt-4o"
    temperature: float = 0.0
    max_tokens: int = 12000
    port: int = 8096
    host: str = "0.0.0.0"
    retry: int = 3
    log_level: str = "INFO"

    model_config = SettingsConfigDict(
        env_file=".env",
        env_file_encoding="utf-8",
        extra="ignore",
    )


@lru_cache(maxsize=1)
def get_settings() -> Settings:
    return Settings()