from ultralytics import YOLO

# Carregamento único do modelo
_model = None

def load_model(model_path):
    global _model
    if _model is None:
        _model = YOLO(model_path)
    return _model


def detect_bubbles(model_path, image):
    """
    Detecta bolhas na página e retorna bounding boxes.
    """
    model = load_model(model_path)
    results = model(image)[0]
    return results.boxes.data.tolist()