import assert from "node:assert/strict";
import { readFileSync } from "node:fs";
import { resolve } from "node:path";
import test from "node:test";

const root = resolve(import.meta.dirname, "..");
const packageRoot = resolve(root, "node_modules/@rerun-io/web-viewer");
const readJson = (path) => JSON.parse(readFileSync(path, "utf8"));

test("Mission Core uses the exact upstream Rerun 0.36.3 web package", () => {
  const application = readJson(resolve(root, "package.json"));
  const installed = readJson(resolve(packageRoot, "package.json"));

  assert.equal(application.dependencies["@rerun-io/web-viewer"], "0.36.3");
  assert.equal(installed.version, "0.36.3");
  assert.equal(application.scripts.postinstall, undefined);
});

test("the active application never imports or installs the archived vendor fork", () => {
  const application = readFileSync(resolve(root, "package.json"), "utf8");
  const viewport = readFileSync(resolve(root, "src/components/RerunViewport.tsx"), "utf8");

  assert.doesNotMatch(application, /patch-rerun-web-viewer/);
  assert.doesNotMatch(application, /vendor\/rerun-web-viewer/);
  assert.doesNotMatch(viewport, /vendor\/rerun-web-viewer/);
  assert.doesNotMatch(viewport, /0\.34\.1/);
});

test("upstream WebViewer exposes one three-argument start contract", () => {
  const declaration = readFileSync(resolve(packageRoot, "index.d.ts"), "utf8");

  assert.match(
    declaration,
    /start\(rrd: string \| string\[\] \| null, parent: HTMLElement \| null, options: WebViewerOptions \| null\): Promise<void>/,
  );
});