from functools import lru_cache

from pydantic_settings import BaseSettings


class Settings(BaseSettings):
    database_url: str = "postgresql://nvi:nvi@postgres:5432/nvi"

    anthropic_api_key: str = ""
    anthropic_model: str = "claude-sonnet-4-6"

    langfuse_host: str = "http://lng.local.ar:3000"
    langfuse_public_key: str = ""
    langfuse_secret_key: str = ""

    model_config = {"env_prefix": "", "case_sensitive": False}


@lru_cache
def get_settings() -> Settings:
    return Settings()