from functools import lru_cache

from pydantic_settings import BaseSettings, SettingsConfigDict


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

    app_name: str = "Plast Track MVP"
    database_url: str = "postgresql+psycopg://plasttrack:plasttrack@database:5432/plasttrack"
    mqtt_host: str = "mqtt"
    mqtt_port: int = 1883
    mqtt_topic: str = "plasttrack/machines/+/events"
    mqtt_client_id: str = "plast-track-backend"
    frontend_origin: str = "http://localhost:5173"
    downtime_check_interval_sec: int = 5


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