import numpy as np
from joblib import load
from src.utils import MODEL_PATH


_model = None


def get_model():
    global _model
    if _model is None:
        _model = load(MODEL_PATH)
    return _model


def predict_one(x_row: np.ndarray) -> int:
    mdl = get_model()
    return int(mdl.predict(x_row.reshape(1, -1))[0])