Draft a blog post on this week's trending topic

from clickruntime import on_trigger, credentials, http, state, notify, ai

SITE, WP_USER, FIELD = "https://blog.example.com", "content-bot", "web security"

def sonar(prompt):
    r = http.post("https://api.perplexity.ai/chat/completions", headers={"Authorization": f"Bearer {credentials.secret('PERPLEXITY_API_KEY')}"},
                  json={"model": "sonar", "messages": [{"role": "user", "content": prompt}]}, timeout=90).json()
    return r["choices"][0]["message"]["content"], [s["url"] for s in r.get("search_results", [])]
def wp_draft(title, html):
    r = http.post(f"{SITE}/wp-json/wp/v2/posts", auth=(WP_USER, credentials.secret("WP_APP_PASSWORD")),
                  json={"title": title, "content": html, "status": "draft"})
    return r.raise_for_status() or r.json()["id"]

@on_trigger
def run(event):
    covered = state.get("covered") or []
    trends, _ = sonar(f"List this week's five most discussed topics in {FIELD}, one per line, no numbering.")
    topic = next((t.strip("-• ") for t in trends.splitlines() if t.strip() and t.strip("-• ") not in covered), None)
    if not topic:
        return {"drafted": False}
    facts, links = sonar(f"Research for a blog post: {topic}. Key facts, what changed, what readers should do.")
    try:
        html = ai.generate(f"Write an 800-word blog post in HTML (h2, p, ul) about {topic} from:\n{facts[:4000]}",
                           max_output_tokens=1800).text
    except (ai.AINotIncluded, ai.AILimitReached):
        html = f"<p>{facts}</p>"  # research outline only
    post_id = wp_draft(topic, html + "<h2>Sources</h2><ul>" + "".join(f"<li>{l}</li>" for l in links) + "</ul>")
    notify.email_me(f"Draft ready: {topic}", f"{SITE}/wp-admin/post.php?post={post_id}&action=edit")
    state.set("covered", (covered + [topic])[-200:])
    return {"topic": topic}