from PIL import Image
from controllers.utils import image_to_bytes
from services.api_service import post_data
from .fw import get_fw_query_params


def vqa_controller(image: Image, question: str, fw_option: str = 'none'):
    request_data_files = {
        "image": image_to_bytes(image),
    }
    request_data_form = {
        "question": question,
    }
    response = post_data(
        f"/api/vqa/{get_fw_query_params(fw_option)}", files=request_data_files, data=request_data_form)
    if response is None:
        return None
    return response['answer']