import test from "node:test";
import assert from "node:assert/strict";
import { access, readFile } from "node:fs/promises";

const adminPagePath = new URL("../src/app/admin/page.tsx", import.meta.url);
const adminAppPath = new URL("../src/components/admin/boss-admin-app.tsx", import.meta.url);
const dataProviderPath = new URL("../src/components/admin/boss-admin-data-provider.ts", import.meta.url);

async function readSource(path: URL) {
  return readFile(path, "utf8");
}

async function fileExists(path: URL) {
  try {
    await access(path);
    return true;
  } catch {
    return false;
  }
}

test("/admin is only a compatibility redirect to the admin root domain", async () => {
  const source = await readSource(adminPagePath);

  assert.match(source, /redirect/);
  assert.match(source, /redirect\("\/"\)/);
  assert.doesNotMatch(source, /BossAdminApp/);
  assert.doesNotMatch(source, /antd\/dist\/reset\.css/);
  assert.doesNotMatch(source, /api\/v1\/admin\/overview/);
});

test("legacy Next admin UI files are removed after enterprise-admin migration", async () => {
  assert.equal(await fileExists(adminAppPath), false);
  assert.equal(await fileExists(dataProviderPath), false);
});