// Probe: which Node APIs does the VS Code Electron binary provide in
// ELECTRON_RUN_AS_NODE mode? Run with:
//   ELECTRON_RUN_AS_NODE=1 "<Code.exe>" probe.cjs
const out = {};

try {
  out.nodeVersion = process.versions.node;
  out.electronVersion = process.versions.electron ?? null;
  out.isElectronRunAsNode = process.env.ELECTRON_RUN_AS_NODE === "1";
  out.execPath = process.execPath;
  out.platform = process.platform;
} catch (e) {
  out.baseError = String(e);
}

const modules = [
  "node:fs",
  "node:fs/promises",
  "node:path",
  "node:os",
  "node:http",
  "node:readline",
  "node:zlib",
  "node:crypto",
  "node:util",
  "node:net",
  "node:child_process",
  "node:test",
  "node:assert",
  "node:url",
  "node:events",
];
out.modules = {};
for (const m of modules) {
  try {
    require(m);
    out.modules[m] = "ok";
  } catch (e) {
    out.modules[m] = "FAIL: " + (e && e.code ? e.code : String(e));
  }
}

// The APIs the MCP server actually depends on.
try {
  const { parseLoadedXml } = require("../out/agent/forwardRefs.js");
  const parsed = parseLoadedXml('<AssetDeclaration xmlns="uri:ea.com:eala:asset"><GameObject id="X"/></AssetDeclaration>');
  out.forwardRefs = "ok: elements=" + parsed.parse.elements.length;
} catch (e) {
  out.forwardRefs = "FAIL: " + String(e).slice(0, 160);
}

try {
  const { startLocalServer } = require("../out/agent/localServer.js");
  out.localServer = typeof startLocalServer === "function" ? "loadable" : "missing";
} catch (e) {
  out.localServer = "FAIL: " + String(e).slice(0, 160);
}

// Async smoke test: gzip round-trip + http listen (both used at runtime).
(async () => {
  try {
    const { gzip, gunzip } = require("node:zlib");
    const { promisify } = require("node:util");
    const buf = await promisify(gzip)(Buffer.from("hello"));
    const back = await promisify(gunzip)(buf);
    out.zlibRoundTrip = back.toString() === "hello" ? "ok" : "mismatch";
  } catch (e) {
    out.zlibRoundTrip = "FAIL: " + String(e).slice(0, 120);
  }

  try {
    const { startLocalServer } = require("../out/agent/localServer.js");
    const handle = await startLocalServer({
      getIndex: () => null,
      listProjects: () => [],
      token: "probe",
    });
    const res = await fetch(`http://127.0.0.1:${handle.port}/status`, {
      headers: { authorization: "Bearer probe" },
    });
    const body = await res.json();
    out.httpServer = "ok: " + JSON.stringify(body);
    await handle.close();
  } catch (e) {
    out.httpServer = "FAIL: " + String(e).slice(0, 160);
  }

  console.log(JSON.stringify(out, null, 2));
})();