import logging

import httpx

logger = logging.getLogger(__name__)

MESSENGER_API_BASE = "https://graph.facebook.com/v22.0"
DEFAULT_PROFILE_FIELDS = "first_name,last_name,profile_pic,locale,timezone,gender"


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

    async def get_user_profile(
        self,
        psid: str,
        fields: str = DEFAULT_PROFILE_FIELDS,
    ) -> dict | None:
        url = f"{MESSENGER_API_BASE}/{psid}"
        params = {
            "fields": fields,
            "access_token": self._access_token,
        }
        try:
            async with httpx.AsyncClient(timeout=httpx.Timeout(10.0)) as client:
                resp = await client.get(url, params=params)
                if resp.status_code == 200:
                    return resp.json()
                logger.warning(f"messenger user profile failed: {resp.status_code} {resp.text}")
                return None
        except Exception:
            logger.exception("messenger user profile error")
            return None