import { test, expect } from "vitest";
import { spawn } from "node:child_process";
import path from "node:path";
import { RpcClient } from "../src/rpc/rpc-client.js";

const FAKE = path.resolve("../harness/tests/fake_pi/fake_pi_rpc.mjs");
const SCRIPT = path.resolve("../harness/tests/fake_pi/scripts/f1_disambiguation.json");

test("request(get_available_models) correla la response", async () => {
  const child = spawn("node", [FAKE, SCRIPT]);
  const rpc = new RpcClient(child as any);
  const res = await rpc.request({ type: "get_available_models" });
  expect(res.data.models[0].provider).toBe("zai");
  child.stdin.end();
});

test("prompt emette un evento extension_ui_request", async () => {
  const child = spawn("node", [FAKE, SCRIPT]);
  const rpc = new RpcClient(child as any);
  const got = new Promise<any>((resolve) => rpc.on("event", (e) => e.type === "extension_ui_request" && resolve(e)));
  rpc.send({ type: "prompt", message: "/nuova-domanda \"x\"" });
  const evt = await got;
  expect(evt.method).toBe("input");                       // shape nativa di Pi
  expect(JSON.parse(evt.title).widget).toBe("select");    // descriptor nel title
  child.stdin.end();
});