import logging

import httpx

logger = logging.getLogger(__name__)

MESSENGER_API_BASE = "https://graph.facebook.com/v22.0"


class MessengerPrivateReplyAPI:
    def __init__(self, access_token: str):
        self._access_token = access_token

    async def send_private_reply(
        self,
        comment_id: str,
        message: str,
    ) -> dict | None:
        url = f"{MESSENGER_API_BASE}/{comment_id}/private_replies"
        body = {"message": message}
        try:
            async with httpx.AsyncClient(timeout=httpx.Timeout(30.0)) as client:
                resp = await client.post(
                    url,
                    params={"access_token": self._access_token},
                    json=body,
                )
                if resp.status_code == 200:
                    return resp.json()
                logger.error(f"messenger private_reply failed: {resp.status_code} {resp.text}")
                return None
        except Exception:
            logger.exception("messenger private_reply error")
            return None