import os
from pathlib import Path

DEFAULT_STATE_DIR = Path("/var/lib/furtka-gateway")
DEFAULT_DYNAMIC_DIR = Path("/var/lib/furtka-gateway/dynamic")


def state_dir() -> Path:
    return Path(os.environ.get("GATEWAY_STATE_DIR", DEFAULT_STATE_DIR))


def dynamic_dir() -> Path:
    return Path(os.environ.get("GATEWAY_DYNAMIC_DIR", DEFAULT_DYNAMIC_DIR))


def db_path() -> Path:
    return state_dir() / "gateway.db"


def deploy_state_file() -> Path:
    return state_dir() / "deploy-state.json"