app/config.py

from functools import lru_cache
from pydantic_settings import BaseSettings, SettingsConfigDict
from pydantic import EmailStr


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

    app_name: str = "Фитнес-опрос"
    whisper_model: str = "Systran/faster-whisper-small"
    llm_model: str = "Qwen/Qwen2.5-0.5B-Instruct"
    llm_local_path: str | None = None
    session_ttl_minutes: int = 120

    smtp_host: str | None = None
    smtp_port: int = 587
    smtp_username: str | None = None
    smtp_password: str | None = None
    smtp_use_tls: bool = True
    trainer_email: EmailStr | None = None
    default_from_email: EmailStr | None = None


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