from pathlib import Path
from typing import List, ClassVar

from pydantic import AnyHttpUrl
from pydantic_settings import BaseSettings, SettingsConfigDict


class Settings(BaseSettings):
    API_V1_STR: str = "/api/v1"
    PROJECT_NAME: str = "User Authentication Service"

    # CORS
    CORS_ORIGINS: List[AnyHttpUrl] = []

    # JWT
    SECRET_KEY: str = "supersecretkey"  # In production, set this as an env variable
    ALGORITHM: str = "HS256"
    ACCESS_TOKEN_EXPIRE_MINUTES: int = 30

    # Database
    DB_DIR: ClassVar[Path] = Path("/app") / "storage" / "db"
    DB_DIR.mkdir(parents=True, exist_ok=True)
    SQLALCHEMY_DATABASE_URL: str = f"sqlite:///{DB_DIR}/db.sqlite"

    model_config = SettingsConfigDict(case_sensitive=True)


settings = Settings()