Draft answers to RFP questionnaires

import base64
from email.message import EmailMessage
from google.oauth2.credentials import Credentials
from googleapiclient.discovery import build
from clickruntime import on_trigger, credentials, state, ai, notify, report_fetched

COMPANY = "Acme Ltd: 40 staff, ISO 27001 certified, UK and EU data hosting, 24/7 support, founded 2015."

@on_trigger
def run(event):
    gmail = build("gmail", "v1", credentials=Credentials(credentials.connection("google", "work")), cache_discovery=False)
    seen = set(state.get("seen") or [])
    msgs = gmail.users().messages().list(userId="me", q="subject:RFP has:attachment newer_than:2d").execute().get("messages", [])
    new = [m for m in msgs if m["id"] not in seen]
    report_fetched(len(new))
    if not new:
        return {"new": 0}
    for m in new:
        msg = gmail.users().messages().get(userId="me", id=m["id"]).execute()
        h = {x["name"]: x["value"] for x in msg["payload"]["headers"]}
        part = next(p for p in msg["payload"].get("parts", []) if p.get("filename", "").endswith((".txt", ".md", ".csv")))
        att = gmail.users().messages().attachments().get(userId="me", messageId=m["id"], id=part["body"]["attachmentId"]).execute()
        questions = base64.urlsafe_b64decode(att["data"]).decode(errors="ignore")[:15000]
        answers = ai.generate(questions, max_output_tokens=2000,
                              system=f"Answer each RFP question in turn, numbered, using only these facts: {COMPANY}").text
        draft = EmailMessage()
        draft["To"], draft["Subject"] = h["From"], "Re: " + h["Subject"]
        draft.set_content(answers)
        gmail.users().drafts().create(userId="me", body={"message": {
            "raw": base64.urlsafe_b64encode(draft.as_bytes()).decode(), "threadId": msg["threadId"]}}).execute()
        notify.slack(f"📄 Drafted RFP answers for {h['Subject']} from {h['From']}. Check Gmail drafts.", channel="#sales")
    state.set("seen", [m["id"] for m in msgs])
    return {"drafted": len(new)}