import assert from "node:assert/strict";
import { serviceRoutes } from "../src/routes/services.js";

const originalFetch = globalThis.fetch;
const requests: Request[] = [];

globalThis.fetch = (async (input, init) => {
  const request = new Request(input, init);
  requests.push(request);
  return new Response(JSON.stringify({ entries: [] }), {
    status: 200,
    headers: { "content-type": "application/json" },
  });
}) as typeof fetch;

const app = serviceRoutes({ skipAuth: true });
try {
  const leaderboard = await app.request("http://backend.test/interview/leaderboard?org_id=org-X&limit=100");
  assert.equal(leaderboard.status, 200);
  assert.deepEqual(await leaderboard.json(), { entries: [] });

  const upstream = new URL(requests[0]!.url);
  assert.equal(upstream.pathname, "/api/v1/leaderboard");
  assert.equal(upstream.searchParams.get("limit"), "100");
  assert.equal(upstream.searchParams.get("org_id"), "org-X");
  assert.match(requests[0]!.headers.get("authorization") ?? "", /^Bearer /);

  const clamped = await app.request("http://backend.test/interview/leaderboard?limit=101");
  assert.equal(clamped.status, 200);
  assert.equal(new URL(requests[1]!.url).searchParams.get("limit"), "100");

  const defaulted = await app.request("http://backend.test/interview/leaderboard?limit=not-a-number");
  assert.equal(defaulted.status, 200);
  assert.equal(new URL(requests[2]!.url).searchParams.get("limit"), "10");
} finally {
  globalThis.fetch = originalFetch;
}

console.log("interview leaderboard gateway: all assertions passed");