/**
 * Runner for the JOB BOARD wrap probe.
 *
 *   node dev/server.mjs 8080
 *   CHROME_PATH=/path/to/chrome node dev/jobboard-wrap-run.mjs
 */
import fs from 'node:fs';
import path from 'node:path';
import { launch, CDP } from './cdpshot.mjs';

const BASE = process.argv[2] || 'http://127.0.0.1:8080/dev/jobboard-wrap.html';
const OUT = path.resolve('dev/shots');
const sleep = (ms) => new Promise((r) => setTimeout(r, ms));

fs.mkdirSync(OUT, { recursive: true });

const { url: wsUrl, kill } = await launch(BASE, 9401, 1280, 800);
const cdp = new CDP(wsUrl);
let bad = 0;
try {
  await cdp.open();
  await cdp.send('Runtime.enable');
  await cdp.send('Page.enable');
  let rep = null;
  const t0 = Date.now();
  while (Date.now() - t0 < 120000) {
    try {
      const r = await cdp.send('Runtime.evaluate', { expression: 'window.__JB ? JSON.stringify(window.__JB) : null', returnByValue: true });
      if (r.result?.value) { rep = JSON.parse(r.result.value); break; }
    } catch { /* still booting */ }
    await sleep(500);
  }
  if (!rep) {
    bad++;
    console.log('✘ TIMEOUT — the page never reported');
  } else {
    const shot = await cdp.send('Page.captureScreenshot', { format: 'png' });
    fs.writeFileSync(path.join(OUT, 'jb-wrap.png'), Buffer.from(shot.data, 'base64'));
    fs.writeFileSync(path.join(OUT, 'jb-wrap.json'), JSON.stringify(rep, null, 1));
    if (rep.stage === 'FAILED' || (rep.errors && rep.errors.length)) bad++;
    console.log(bad ? '✘' : '✔', JSON.stringify(rep, null, 1).slice(0, 4000));
  }
} finally {
  cdp.close();
  kill();
  await sleep(400);
}
process.exitCode = bad ? 1 : 0;