// Node.js S2S Postback Dispatcher (sub-80ms Edge Endpoint)
import https from "node:https";

const sendS2SPostback = async (clickId, payout, transId) => {
  const url = new URL("https://sabo-media.com/api/postback");
  url.searchParams.set("click_id", clickId);
  url.searchParams.set("payout", payout.toFixed(2));
  url.searchParams.set("trans_id", transId);
  url.searchParams.set("currency", "USD");

  const res = await fetch(url.toString(), {
    method: "GET",
    headers: {
      "User-Agent": "Advertiser-Attribution-Engine/2.4",
      "X-Idempotency-Key": transId,
    },
  });

  const payload = await res.json();
  if (!res.ok || !payload.success) {
    throw new Error(`Postback failed: ${payload.error || res.statusText}`);
  }
  return payload;
};

# Python S2S Postback Dispatcher (Requests with Retry)
import requests
from requests.adapters import HTTPAdapter
from urllib3.util.retry import Retry

session = requests.Session()
retries = Retry(total=3, backoff_factor=0.3, status_forcelist=[500, 502, 503, 504])
session.mount("https://", HTTPAdapter(max_retries=retries))

def dispatch_postback(click_id: str, payout: float, trans_id: str):
    params = {
        "click_id": click_id,
        "payout": f"{payout:.2f}",
        "trans_id": trans_id,
        "currency": "USD"
    }
    response = session.get(
        "https://sabo-media.com/api/postback",
        params=params,
        headers={"X-Idempotency-Key": trans_id},
        timeout=3.0
    )
    response.raise_for_status()
    return response.json()