FragmentAPI/pyfragment/methods/recharge_ads.py

from __future__ import annotations

import json
from typing import TYPE_CHECKING

from pyfragment.types import (
    AdsRechargeResult,
    ConfigurationError,
    FragmentAPIError,
    FragmentError,
    UnexpectedError,
    VerificationError,
)
from pyfragment.types.constants import ADS_TOPUP_PAGE, DEVICE
from pyfragment.utils import get_account_info, process_transaction

if TYPE_CHECKING:
    from pyfragment.client import FragmentClient


async def recharge_ads(client: "FragmentClient", account: str, amount: int) -> AdsRechargeResult:
    """Add funds to your own Telegram Ads account.

    Args:
        client: Authenticated :class:`FragmentClient` instance.
        account: Your Fragment Ads account identifier — the channel or bot username
            the Ads account is linked to (e.g. ``"@mychannel"``).
        amount: Amount in TON — integer from ``1`` to ``1 000 000 000``.

    Returns:
        :class:`AdsRechargeResult` with ``transaction_id`` and ``amount``.

    Raises:
        ConfigurationError: If ``amount`` is not a valid integer in the allowed range.
        FragmentAPIError: If the Fragment API returns an error.
        UnexpectedError: For any other unexpected failure.
    """
    if not isinstance(amount, int) or not (1 <= amount <= 1_000_000_000):
        raise ConfigurationError(ConfigurationError.INVALID_TON_AMOUNT)

    try:
        await client.call("updateAdsState", {"mode": "new"}, page_url=ADS_TOPUP_PAGE)

        result = await client.call("initAdsRechargeRequest", {"account": account, "amount": amount}, page_url=ADS_TOPUP_PAGE)
        req_id = result.get("req_id")
        if not req_id:
            raise FragmentAPIError(FragmentAPIError.NO_REQUEST_ID.format(context="Ads recharge"))

        account_info = await get_account_info(client)
        transaction = await client.call(
            "getAdsRechargeLink",
            {
                "account": json.dumps(account_info),
                "device": DEVICE,
                "transaction": 1,
                "id": req_id,
            },
            page_url=ADS_TOPUP_PAGE,
        )
        if transaction.get("need_verify"):
            raise VerificationError(VerificationError.KYC_REQUIRED)

        tx_hash = await process_transaction(client, transaction)
        return AdsRechargeResult(transaction_id=tx_hash, amount=amount)

    except FragmentError:
        raise
    except Exception as exc:
        raise UnexpectedError(UnexpectedError.UNEXPECTED.format(exc=exc)) from exc