"""
Numidium Backend Configuration
"""
from pydantic_settings import BaseSettings
from functools import lru_cache
import os


class Settings(BaseSettings):
    """Application settings"""
    
    # App Info
    app_name: str = "Numidium"
    app_version: str = "0.1.0"
    debug: bool = False
    
    # Database
    database_url: str = "sqlite:///./data/numidium.db"
    
    # APIs (opcional - pode configurar depois)
    newsapi_key: str = ""
    
    # Cerebras API for LLM-based entity extraction
    cerebras_api_key: str = ""
    
    # CORS
    cors_origins: list[str] = ["*"]
    
    class Config:
        env_file = ".env"
        env_file_encoding = "utf-8"


@lru_cache()
def get_settings() -> Settings:
    """Get cached settings"""
    return Settings()


settings = get_settings()