import os
from pathlib import Path
from typing import ClassVar

from pydantic import BaseModel, Field


class Settings(BaseModel):
    PROJECT_NAME: str = "Notes API"
    API_V1_STR: str = "/api/v1"

    # Security
    SECRET_KEY: str = os.getenv("SECRET_KEY", "please_change_this_to_a_random_secret_key")
    ACCESS_TOKEN_EXPIRE_MINUTES: int = 60 * 24 * 7  # 7 days

    # Database
    DB_DIR: ClassVar[Path] = Path("/app/storage/db")
    SQLALCHEMY_DATABASE_URL: str = Field(
        default_factory=lambda: f"sqlite:///{Settings.DB_DIR}/db.sqlite"
    )

    # CORS
    CORS_ORIGINS: list[str] = ["*"]

    model_config = {
        "env_file": ".env",
        "case_sensitive": True,
    }


# Create the database directory
Settings.DB_DIR.mkdir(parents=True, exist_ok=True)

settings = Settings()