Turn photos sent to Telegram into an approved Facebook post

from clickruntime import on_event, credentials, http, ai, state

PAGE_ID, CHAT = "1234567890", "123456789"

@on_event
def handle(event):
    body, token = event.json or {}, credentials.secret("TELEGRAM_BOT_TOKEN")
    draft = state.get("draft") or {"photos": [], "note": ""}
    if "callback_query" in body:
        if body["callback_query"]["data"] == "approve":
            fb = {"access_token": credentials.connection("facebook", "work")}
            ids = [http.post(f"https://graph.facebook.com/v21.0/{PAGE_ID}/photos", data={**fb, "url": u, "published": "false"}).json()["id"] for u in draft["photos"]]
            http.post(f"https://graph.facebook.com/v21.0/{PAGE_ID}/feed",
                      json={**fb, "message": draft["caption"], "attached_media": [{"media_fbid": i} for i in ids]})
            state.delete("draft")
            return {"posted": len(ids)}
    else:
        msg = body.get("message", {})
        if msg.get("photo"):
            path = http.get(f"https://api.telegram.org/bot{token}/getFile", params={"file_id": msg["photo"][-1]["file_id"]}).json()["result"]["file_path"]
            draft["photos"].append(f"https://api.telegram.org/file/bot{token}/{path}")
        draft["note"] = msg.get("caption") or msg.get("text") or draft["note"]
    draft["caption"] = ai.generate(f"Warm Facebook caption for a florist's post: {draft['note']}", max_output_tokens=150).text.strip()
    state.set("draft", draft)
    buttons = [[{"text": "Approve", "callback_data": "approve"}, {"text": "Redo", "callback_data": "redo"}]]
    http.post(f"https://api.telegram.org/bot{token}/sendMessage",
              json={"chat_id": CHAT, "text": f"Preview ({len(draft['photos'])} photos):\n{draft['caption']}", "reply_markup": {"inline_keyboard": buttons}})
    return {"draft": True}