from pathlib import Path
import os

from dotenv import load_dotenv


BASE_DIR = Path(__file__).resolve().parent.parent
PROJECT_ROOT = BASE_DIR.parent
ENV_FILE = PROJECT_ROOT / ".env"

load_dotenv(ENV_FILE)


class Settings:
    def __init__(self) -> None:
        self.app_name = os.getenv("APP_NAME", "Clinica Veterinaria Formiginese API")
        self.app_env = os.getenv("APP_ENV", "development")
        self.app_host = os.getenv("APP_HOST", "127.0.0.1")
        self.app_port = int(os.getenv("APP_PORT", "8000"))
        default_sqlite_path = (PROJECT_ROOT / "data" / "clinica.db").resolve()
        self.database_url = os.getenv("DATABASE_URL", f"sqlite:///{default_sqlite_path.as_posix()}")

    @property
    def sqlite_file_path(self) -> str | None:
        sqlite_prefix = "sqlite:///"
        if self.database_url.startswith(sqlite_prefix):
            return self.database_url.removeprefix(sqlite_prefix)
        return None


settings = Settings()