// Run with Windows Node against the task's isolated Chrome CDP on port 9444.
const fs = require('node:fs');
const path = require('node:path');
const out = path.resolve(__dirname, '../.verify/multicol-coping-20261105');
fs.mkdirSync(out, { recursive: true });
(async () => {
  const targets = await (await fetch('http://127.0.0.1:9444/json')).json();
  const page = targets.find(t => t.type === 'page' && t.url.startsWith('http://127.0.0.1:5173'));
  if (!page) throw new Error('Task browser page missing');
  const ws = new WebSocket(page.webSocketDebuggerUrl);
  await new Promise((resolve, reject) => { ws.onopen = resolve; ws.onerror = reject; });
  let seq = 0;
  const pending = new Map();
  ws.onmessage = ({ data }) => {
    const msg = JSON.parse(data);
    const p = pending.get(msg.id);
    if (p) { pending.delete(msg.id); clearTimeout(p.timer); msg.error ? p.reject(new Error(JSON.stringify(msg.error))) : p.resolve(msg.result); }
  };
  const send = (method, params = {}) => new Promise((resolve, reject) => {
    const id = ++seq;
    const timer = setTimeout(() => { pending.delete(id); reject(new Error(`Timeout ${method}`)); }, 20000);
    pending.set(id, { resolve, reject, timer });
    ws.send(JSON.stringify({ id, method, params }));
  });
  try {
    await send('Emulation.setDeviceMetricsOverride', { width: 1200, height: 750, deviceScaleFactor: 1, mobile: false });
    const results = [];
    for (const type of ['2주형', '3주형']) {
      const res = await send('Runtime.evaluate', { awaitPromise: true, returnByValue: true, expression: `
        (async () => {
          const THREE = await import('/node_modules/.vite/deps/three.js');
          const XLSX = await import('/node_modules/xlsx/xlsx.mjs');
          const { parseWorkbook } = await import('/src/core/parseWorkbook.ts');
          const { buildPier } = await import('/src/core/geometry.ts');
          const { buildPierScene } = await import('/src/view/scene.ts');
          const buf = await (await fetch('/samples/' + encodeURIComponent('운곡교P1입력.xlsx'))).arrayBuffer();
          const base = parseWorkbook(XLSX.read(buf)).piers.find(p => p.name === 'P1');
          if (!base) throw new Error('P1 sample missing');
          const m = buildPier({ ...base, type: ${JSON.stringify(type)}, columnCount: ${type === '2주형' ? 2 : 3} });
          const built = buildPierScene(m);
          const scene = new THREE.Scene(); scene.background = new THREE.Color(0xe9eef4);
          const group = new THREE.Group();
          group.add(built.parts.coping, built.parts.columns); scene.add(group);
          const center = new THREE.Vector3();
          const bounds = new THREE.Box3().setFromObject(built.parts.coping);
          bounds.getCenter(center);
          // Align the camera along the cross-axis to make both interior haunches visible.
          const u = new THREE.Vector3(m.u.e, 0, -m.u.n);
          const cross = new THREE.Vector3(m.nrm.e, 0, -m.nrm.n);
          const camera = new THREE.PerspectiveCamera(36, 1200/750, 0.1, 1000);
          const target = center.clone().add(new THREE.Vector3(0, -0.9, 0));
          camera.position.copy(target).addScaledVector(cross, m.copingL * 1.6).addScaledVector(u, -m.copingL * 0.12).add(new THREE.Vector3(0,-2.5,0));
          camera.lookAt(target);
          scene.add(new THREE.HemisphereLight(0xffffff, 0x687784, 2.4));
          const light = new THREE.DirectionalLight(0xffffff, 2); light.position.copy(camera.position).add(new THREE.Vector3(0,10,0)); scene.add(light);
          const renderer = new THREE.WebGLRenderer({ antialias: true, preserveDrawingBuffer: true });
          renderer.setSize(1200,750); renderer.localClippingEnabled = true;
          document.body.replaceChildren(renderer.domElement); document.body.style.margin = '0';
          renderer.render(scene,camera);
          const profile = m.copingParts[0].profile;
          const raised = profile.filter(([,z]) => Math.abs(z-m.levelBottom-0.3)<1e-8).length;
          if (raised !== (m.columns.length-1)*2) throw new Error('Raised span count mismatch');
          if (Math.abs(Math.min(...profile.map(p=>p[1]))-m.levelBottom)>1e-8) throw new Error('Underside below column Level');
          if (!m.columns.every(c=>c.top===m.levelBottom)) throw new Error('Column connection changed');
          return { type: ${JSON.stringify(type)}, raisedVertices: raised, levelBottom:m.levelBottom, interiorBottom:m.levelBottom+0.3, columns:m.columns.length, profile, screenshot:renderer.domElement.toDataURL('image/png') };
        })()
      ` });
      if (res.exceptionDetails) throw new Error(res.exceptionDetails.exception?.description || res.exceptionDetails.text);
      const { screenshot, ...result } = res.result.value;
      fs.writeFileSync(path.join(out, `${type}.png`), Buffer.from(screenshot.split(',')[1], 'base64'));
      results.push(result);
    }
    fs.writeFileSync(path.join(out, 'report.json'), JSON.stringify(results, null, 2));
    console.log(JSON.stringify(results.map(({ profile, ...r }) => r)));
  } finally { ws.close(); }
})().catch(e => { console.error(e); process.exitCode = 1; });