// The page's side of the worker test: a document, a LocalSimHost on a real
// Worker, a ping from the command line, the frames that come back.

import * as Y from 'yjs';
import { readProject, writeProject } from '@mdg-filius/doc';
import { openProjectArchive } from '@mdg-filius/fls';
import type { HostMessage } from '@mdg-filius/protocol';
import { LocalSimHost } from '../src/localSimHost.js';

async function run(archive: Uint8Array, workerUrl: string): Promise<{ icmpRows: number; mode: string }> {
  let counter = 0;
  const doc = new Y.Doc();
  writeProject(doc, openProjectArchive(archive, () => `00000000-0000-0000-0000-${(++counter).toString(16).padStart(12, '0')}`));
  const notebook = readProject(doc).graph.nodes.find((node) => node.displayName === 'Notebook 1.10')!;
  const worker = new Worker(workerUrl);
  const host = new LocalSimHost(doc, worker, () => worker.terminate());
  const got: HostMessage[] = [];
  host.onMessage((message) => got.push(message));
  host.send({ v: 1, kind: 'sub', topics: [`trace:${notebook.ports[0]!.id}`] });
  host.send({ v: 1, kind: 'start' });
  host.send({ v: 1, kind: 'speed', value: 100 });
  host.send({ v: 1, kind: 'input', node: notebook.id, app: 'terminal', action: 'enter', args: { line: 'ping 141.99.5.10' }, reqId: 'r1' });
  const icmpRows = () => got.flatMap((message) => (message.kind === 'trace' ? message.frames : [])).filter((frame) => frame.rows.some((row) => row.protocol === 'ICMP')).length;
  for (let waited = 0; waited < 15_000 && icmpRows() < 8; waited += 100) await new Promise((resolve) => setTimeout(resolve, 100));
  const mode = got.filter((message) => message.kind === 'state').at(-1);
  host.close();
  return { icmpRows: icmpRows(), mode: mode?.kind === 'state' ? mode.mode : 'none' };
}

(globalThis as unknown as { filiusLocal: unknown }).filiusLocal = { run };