# model.py
def predict_metals(input_df):
    import joblib
    # Load the trained model
    model = joblib.load("geo_metals_model_fixed.joblib")

    # Predict using the model
    preds = model.predict(input_df)[0]

    # Return results with expected keys
    return {
        "Fe_ppm": preds[0],
        "Cr_ppm": preds[1],
        "Mn_ppm": preds[2],
        "Mo_ppm": preds[3],
        "In_ppm": preds[4],
        "Ta_ppm": preds[5],
    }