// Cloudflare Worker: forward AI-bot requests to RankedByAI.
// Route it in front of your site (or merge into an existing Worker).
const INGEST_URL = "https://rank.zalize.com/api/ingest/agent-hits";
const INGEST_KEY = "YOUR_INGEST_KEY"; // your write-only ingest key

const AI_UA = /GPTBot|OAI-SearchBot|ChatGPT-User|ClaudeBot|Claude-User|Claude-Web|Claude-SearchBot|anthropic-ai|PerplexityBot|Perplexity-User|Google-Extended|GoogleOther|Google-CloudVertexBot|Applebot|CCBot|Bytespider|TikTokSpider|Diffbot|FacebookBot|Meta-External|omgili|Webzio|cohere|AI2Bot|Ai2Bot-Dolma|ImagesiftBot|PanguBot|PetalBot|Timpibot|VelenPublicWebCrawler|YouBot|DuckAssistBot|Amazonbot|MistralAI|img2dataset|Crawlspace|Kangaroo Bot|ISSCyberRiskCrawler|ICC-Crawler|Brightbot|Sidetrade/i;

export default {
  async fetch(request, env, ctx) {
    const res = await fetch(request);
    const ua = request.headers.get("user-agent") || "";
    if (AI_UA.test(ua)) {
      const u = new URL(request.url);
      ctx.waitUntil(fetch(INGEST_URL, {
        method: "POST",
        headers: {
          "content-type": "application/json",
          authorization: `Bearer ${INGEST_KEY}`,
        },
        body: JSON.stringify([{
          ts: Date.now(),
          ua,
          path: u.pathname + u.search,
          status: res.status,
        }]),
      }).catch(() => {}));
    }
    return res;
  },
};