Email a tailored proposal deck to a client after a sales call

import base64
from email.message import EmailMessage
from google.oauth2.credentials import Credentials
from googleapiclient.discovery import build
from clickruntime import on_event, credentials, http, ai

TEMPLATE_ID = "your-slides-template-id"

SCHEMA = {"type": "object", "properties": {k: {"type": "string"} for k in ("problem", "solution", "timeline", "price", "email_note")}}

@on_event
def handle(event):
    b = event.json or {}
    p = ai.generate(f"From these call notes write proposal sections (problem, solution, timeline, price, each under 80 words) and a 2-sentence email_note:\n{b['notes'][:6000]}",
                    json_schema=SCHEMA, max_output_tokens=800).json
    drive, slides = build("drive", "v3", credentials=Credentials(credentials.connection("google", "work")), cache_discovery=False), build("slides", "v1", credentials=Credentials(credentials.connection("google", "work")), cache_discovery=False).presentations()
    deck = drive.files().copy(fileId=TEMPLATE_ID, body={"name": f"Proposal – {b['client']}"}).execute()["id"]
    slides.batchUpdate(presentationId=deck, body={"requests": [{"replaceAllText": {"containsText": {"text": "{{" + k + "}}"}, "replaceText": v}}
                       for k, v in {"client": b["client"], **{k: p[k] for k in ("problem", "solution", "timeline", "price")}}.items()]}).execute()
    pdf = drive.files().export(fileId=deck, mimeType="application/pdf").execute()
    msg = EmailMessage()
    msg["To"], msg["Subject"] = b["email"], f"Proposal for {b['client']}"
    msg.set_content(f"Hi {b.get('contact', 'there')},\n\n{p['email_note']}\n\nBest regards")
    msg.add_attachment(pdf, maintype="application", subtype="pdf", filename=f"Proposal – {b['client']}.pdf")
    build("gmail", "v1", credentials=Credentials(credentials.connection("google", "work")), cache_discovery=False).users().messages().send(userId="me", body={"raw": base64.urlsafe_b64encode(msg.as_bytes()).decode()}).execute()
    return {"deck": deck}