Post the matching order to Slack when a refund or dispute arrives

import re
from clickruntime import on_event, credentials, http, notify, ai

STORE = "https://shop.example.com/wp-json/wc/v3"

@on_event
def handle(event):
    body = event.json or {}
    obj = body.get("data", {}).get("object", body)
    text = str(obj)
    email = obj.get("email") or obj.get("billing_details", {}).get("email") or ""
    number = re.search(r"#?(\d{4,})", obj.get("subject", "") + " " + obj.get("description", ""))
    auth = (credentials.secret("WOO_KEY"), credentials.secret("WOO_SECRET"))
    params = {"include": number.group(1)} if number else {"search": email, "per_page": 1}
    orders = http.get(f"{STORE}/orders", auth=auth, params=params).json() if (number or email) else []
    if not orders:
        notify.slack(f":rotating_light: Refund/dispute received, no matching order found ({email or 'no email'})", channel="#finance")
        return {"found": False}
    o = orders[0]
    items = ", ".join(f"{li['quantity']}× {li['name']}" for li in o["line_items"])
    msg = f":rotating_light: Order #{o['number']} – {o['billing']['email']}, ${o['total']}, placed {o['date_created'][:10]}, status {o['status']}\n{items}"
    try:
        msg += "\n" + ai.generate(f"In 2 sentences, summarise dispute evidence from this order: {o}"[:4000], max_output_tokens=150).text
    except ai.AIError:
        pass
    notify.slack(msg, channel="#finance")
    return {"found": True, "order": o["number"]}