import logging

import httpx

logger = logging.getLogger(__name__)

WORKPLACE_API_BASE = "https://graph.facebook.com/v24.0"


async def download_media(media_url: str) -> bytes | None:
    try:
        async with httpx.AsyncClient(timeout=httpx.Timeout(30.0)) as client:
            resp = await client.get(media_url)
            if resp.status_code == 200:
                return resp.content
            logger.warning("Workplace media download failed: %d", resp.status_code)
            return None
    except Exception:
        logger.exception("Workplace media download error")
        return None


async def upload_attachment(
    page_id: str,
    access_token: str,
    file_data: bytes,
    file_name: str,
    media_type: str,
    mime_type: str,
    api_version: str = "v24.0",
) -> str | None:
    try:
        files = {
            "filedata": (file_name, file_data, mime_type),
        }
        data = {
            "message": str(
                {
                    "attachment": {
                        "type": media_type,
                        "payload": {"is_reusable": True},
                    }
                }
            ),
        }

        async with httpx.AsyncClient(timeout=httpx.Timeout(60.0)) as client:
            resp = await client.post(
                f"https://graph.facebook.com/{api_version}/{page_id}/message_attachments",
                params={"access_token": access_token},
                files=files,
                data=data,
            )
            if resp.status_code == 200:
                result = resp.json()
                attachment_id = result.get("attachment_id", "")
                logger.info("Workplace attachment uploaded: %s", attachment_id)
                return attachment_id
            logger.error("Workplace attachment upload failed: %d %s", resp.status_code, resp.text[:200])
            return None
    except Exception:
        logger.exception("Workplace attachment upload error")
        return None