def model_hyperlink(link, model_name):
    return f'<a target="_blank" href="{link}" style="color: var(--link-text-color); text-decoration: underline;text-decoration-style: dotted;">{model_name}</a>'


def make_clickable_model(model_name, custom_link=None):
    """Creates a clickable model link. If custom_link is None, no link is created."""
    if custom_link is None:
        return model_name
    elif custom_link == "auto":
        link = f"https://huggingface.co/{model_name}"
        return model_hyperlink(link, model_name)
    else:
        link = f"https://huggingface.co/{custom_link}"
        return model_hyperlink(link, model_name)


def styled_error(error):
    return f"<p style='color: red; font-size: 20px; text-align: center;'>{error}</p>"


def styled_warning(warn):
    return f"<p style='color: orange; font-size: 20px; text-align: center;'>{warn}</p>"


def styled_message(message):
    return f"<p style='color: green; font-size: 20px; text-align: center;'>{message}</p>"


def has_no_nan_values(df, columns):
    return df[columns].notna().all(axis=1)


def has_nan_values(df, columns):
    return df[columns].isna().any(axis=1)