Set type, priority and tags on new tickets

from datetime import datetime, timezone
from clickruntime import on_trigger, credentials, http, state, ai, report_fetched

DOMAIN = "acme"
SCHEMA = {"type": "object", "properties": {
    "type": {"enum": ["Bug", "Billing", "How-to"]}, "urgency": {"enum": ["low", "medium", "high", "urgent"]}},
    "required": ["type", "urgency"]}
PRIORITY = {"low": 1, "medium": 2, "high": 3, "urgent": 4}

@on_trigger
def run(event):
    key = credentials.secret("FRESHDESK_API_KEY")
    base = f"https://{DOMAIN}.freshdesk.com/api/v2"
    since = state.get("since") or datetime.now(timezone.utc).strftime("%Y-%m-%dT%H:%M:%SZ")
    tickets = [t for t in http.get(f"{base}/tickets", params={"updated_since": since, "include": "description"},
                                   auth=(key, "X")).json() if t["created_at"] > since]
    report_fetched(len(tickets))
    if not tickets:
        return {"summary": "Nothing new"}
    for t in tickets:
        label = ai.generate(f"Classify this support ticket.\nSubject: {t['subject']}\n{t['description_text'][:2000]}",
                            json_schema=SCHEMA, max_output_tokens=40).json
        http.put(f"{base}/tickets/{t['id']}", auth=(key, "X"), json={
            "type": label["type"], "priority": PRIORITY[label["urgency"]], "tags": t["tags"] + ["ai-triaged"]})
    state.set("since", max(t["created_at"] for t in tickets))
    return {"triaged": len(tickets)}