cv2.rectangle(scene_color, top_left, bottom_right, (0, 0, 255), 3)
cv2.putText(
    scene_color,
    f"difference {best_difference:.3f}",
    (top_left[0], max(25, top_left[1] - 10)),
    cv2.FONT_HERSHEY_SIMPLEX,
    0.7,
    (0, 0, 255),
    2,
)
args.output.parent.mkdir(parents=True, exist_ok=True)
if not cv2.imwrite(str(args.output), scene_color):
    raise SystemExit(f"could not write output image: {args.output}")

report_path = args.output.with_suffix(".json")
report_path.write_text(
    json.dumps(
        {
            "best_difference": best_difference,
            "top_left": top_left,
            "bottom_right": bottom_right,
        },
        indent=2,
    )
    + "\n",
    encoding="utf-8",
)

print(f"scene size: {scene_gray.shape[1]}x{scene_gray.shape[0]}")
print(f"template size: {width}x{height}")
print(f"result map: {result.shape[1]}x{result.shape[0]}")
print(f"best difference: {best_difference:.3f}")
print(f"top-left: x={top_left[0]}, y={top_left[1]}")
print(f"bottom-right: x={bottom_right[0]}, y={bottom_right[1]}")
print(f"report: {report_path}")
print(f"output: {args.output}")