# core/versioning.py
from pathlib import Path
import os, sys

DEFAULT_VERSION = "v0.0.0"

def _bundle_root() -> Path:
    # When frozen by PyInstaller, files are unpacked in sys._MEIPASS
    if getattr(sys, "frozen", False) and hasattr(sys, "_MEIPASS"):
        return Path(sys._MEIPASS)
    # Dev/run-from-source: project root = two levels up from this file (adjust if needed)
    return Path(__file__).resolve().parents[1]

def get_version() -> str:
    # 1) ENV override (useful for CI)
    env = os.getenv("APP_VERSION")
    if env:
        return env.strip()

    # 2) VERSION.txt (works in dev and frozen)
    root = _bundle_root()
    ver_file = root / "VERSION.txt"
    if ver_file.exists():
        return ver_file.read_text(encoding="utf-8").strip()

    return DEFAULT_VERSION