from xml.etree import ElementTree

from aiohttp import ClientSession


async def tk_balance(card_number: int):
    async with ClientSession() as session:
        response = await session.post(
            url="https://transkart.ru/api/payment/checkCard",
            json={
                "card": card_number
            }
        )
        await session.close()
    text = await response.text()
    file = open("temp.xml", "w+")
    file.write(text)
    file.close()
    try:
        balance = ElementTree.parse("temp.xml").findtext(".//pbtext").replace("Билет длительного пользования", "").replace(" руб.", "")
    except AttributeError:
        return
    if not balance:
        return
    return int(balance)