app_paths.py

"""Runtime resource and writable output paths for FolderVisualizer."""

from __future__ import annotations

import os
import sys
from pathlib import Path


APP_NAME = "FolderVisualizer"
APP_VERSION = "0.2.0"
SOURCE_DIR = Path(__file__).resolve().parent


def is_frozen() -> bool:
    """Return whether the process is running from a PyInstaller bundle."""

    return bool(
        getattr(sys, "frozen", False) and hasattr(sys, "_MEIPASS")
    )


def _resource_dir() -> Path:
    if is_frozen():
        return Path(getattr(sys, "_MEIPASS")).resolve()
    return SOURCE_DIR


def _output_dir() -> Path:
    if not is_frozen():
        return SOURCE_DIR / "outputs"

    local_app_data = os.environ.get("LOCALAPPDATA", "").strip()
    if local_app_data:
        base_dir = Path(local_app_data)
    else:
        base_dir = Path.home() / "AppData" / "Local"
    return base_dir / APP_NAME / "outputs"


RESOURCE_DIR = _resource_dir()
OUTPUT_DIR = _output_dir()
OUTPUT_DIR.mkdir(parents=True, exist_ok=True)


__all__ = [
    "APP_NAME",
    "APP_VERSION",
    "OUTPUT_DIR",
    "RESOURCE_DIR",
    "SOURCE_DIR",
    "is_frozen",
]