"""Smoke-test the HALCON environment on this machine.

Verifies: the Python binding loads, the native runtime links, the license is
valid (a real operator runs), and HDevEngine imports.

Run (from the project dir, via uv):
    /mnt/c/Users/NAURA/.local/bin/uv.exe run python .claude/skills/halcon/scripts/check_env.py
"""
import sys


def main() -> int:
    try:
        import halcon as ha
    except Exception as e:  # binding not installed / wrong interpreter
        print("FAIL: could not import 'halcon'. Are you running the project venv "
              "via uv? Error:", e)
        return 1

    try:
        print("HALCON library version:", ha.get_system("version"))
        img = ha.gen_image_const("byte", 64, 48)          # exercises the license
        w = ha.get_image_size(img)
        print("gen_image_const OK, size (w,h):", w)
        region = ha.threshold(img, 0, 128)
        area, _, _ = ha.area_center(region)
        print("threshold + area_center OK, area:", area)
    except Exception as e:
        print("FAIL: an operator call failed. This is usually a LICENSE problem "
              "(missing/expired monthly .dat in <install>\\license\\). Error:", e)
        return 2

    try:
        from halcon.hdevengine import HDevEngine  # noqa: F401
        print("HDevEngine import OK")
    except Exception as e:
        print("WARN: HDevEngine import failed:", e)
        return 3

    print("HALCON environment OK")
    return 0


if __name__ == "__main__":
    sys.exit(main())