// Build non-destructive fixtures and verify full-name identity and error disclosure via CDP.
// Run with Windows Node while the local app and a dedicated Chrome CDP port 9444 are running.
const fs = require('node:fs');
const path = require('node:path');
const assert = require('node:assert/strict');
const XLSX = require('xlsx');
const root = path.resolve(__dirname, '..');
const out = path.join(root, '.verify', 'abut-names-20261105');
const report = { checks: [], errors: [], started: new Date().toISOString() };
const delay = (ms) => new Promise((resolve) => setTimeout(resolve, ms));
fs.mkdirSync(out, { recursive: true });
const base = XLSX.readFile(path.resolve(root, '../../RAG/운곡교P1입력.xlsx'));
const blocks = { info: [], ips: [], bearings: [] };
for (const sheet of base.SheetNames) {
  const rows = XLSX.utils.sheet_to_json(base.Sheets[sheet], { header: 1, defval: null });
  for (let h = 0; h < rows.length; h++) {
    if (rows[h][0] !== '교대명') continue;
    const kind = ({ 형식: 'info', IP점: 'ips', 받침번호: 'bearings' })[rows[h][1]];
    if (!kind) continue;
    let name;
    for (let i = h + 1; i < rows.length && rows[i][1] != null && rows[i][1] !== ''; i++) {
      name = rows[i][0] || name;
      if (name === 'A1') blocks[kind].push(['A2-완도', ...rows[i].slice(1)]);
    }
  }
  for (const row of rows) if (row[0] === 'A1') row[0] = 'A1-완도';
  base.Sheets[sheet] = XLSX.utils.aoa_to_sheet(rows);
}
assert.equal(blocks.info.length, 1);
blocks.info[0][1] = 'A2';
XLSX.utils.book_append_sheet(base, XLSX.utils.aoa_to_sheet([
  ['교대명', '형식'], ...blocks.info, [],
  ['교대명', 'IP점'], ...blocks.ips, [],
  ['교대명', '받침번호'], ...blocks.bearings,
]), '종점교대');
const validFile = path.join(out, 'full-names.xlsx');
XLSX.writeFile(base, validFile);
const bad = XLSX.readFile(validFile);
for (const sheet of bad.SheetNames) {
  const rows = XLSX.utils.sheet_to_json(bad.Sheets[sheet], { header: 1, defval: null });
  for (const row of rows) if (row[0] === 'A1-완도' && row[1] === 'A1') row[1] = 'A3';
  bad.Sheets[sheet] = XLSX.utils.aoa_to_sheet(rows);
}
const badFile = path.join(out, 'invalid-type.xlsx');
XLSX.writeFile(bad, badFile);
let ws;
let send;
async function main() {
  const target = await (await fetch('http://127.0.0.1:9444/json/new?about:blank', { method: 'PUT' })).json();
  ws = new WebSocket(target.webSocketDebuggerUrl);
  await new Promise((resolve, reject) => { ws.onopen = resolve; ws.onerror = reject; });
  let seq = 0;
  let loaded;
  let downloadGuid;
  const done = new Set();
  const pending = new Map();
  send = (method, params = {}) => new Promise((resolve, reject) => {
    const id = ++seq;
    const timer = setTimeout(() => { pending.delete(id); reject(new Error(`CDP timeout ${method}`)); }, 20000);
    pending.set(id, { resolve, reject, timer });
    ws.send(JSON.stringify({ id, method, params }));
  });
  ws.onmessage = ({ data }) => {
    const msg = JSON.parse(data);
    if (msg.id) {
      const wait = pending.get(msg.id); if (!wait) return;
      clearTimeout(wait.timer); pending.delete(msg.id);
      if (msg.error) wait.reject(new Error(JSON.stringify(msg.error))); else wait.resolve(msg.result);
    } else if (msg.method === 'Page.loadEventFired') loaded?.();
    else if (msg.method === 'Runtime.exceptionThrown') report.errors.push(msg.params.exceptionDetails.exception?.description || msg.params.exceptionDetails.text);
    else if (msg.method === 'Runtime.consoleAPICalled' && msg.params.type === 'error') report.errors.push(msg.params.args.map((a) => a.value ?? a.description).join(' '));
    else if (msg.method === 'Browser.downloadWillBegin') downloadGuid = msg.params.guid;
    else if (msg.method === 'Browser.downloadProgress' && msg.params.state === 'completed') done.add(msg.params.guid);
  };
  const ev = async (expression) => {
    const r = await send('Runtime.evaluate', { expression, awaitPromise: true, returnByValue: true });
    if (r.exceptionDetails) throw new Error(r.exceptionDetails.exception?.description || r.exceptionDetails.text);
    return r.result.value;
  };
  const until = async (expression) => {
    for (let i = 0; i < 100; i++) { if (await ev(expression)) return; await delay(150); }
    throw new Error(`Timeout: ${expression}`);
  };
  const click = (expression) => ev(`(() => { const e = ${expression}; if (!e || e.disabled) throw new Error('Missing/disabled target'); e.click(); })()`);
  const check = (name, condition) => { assert.ok(condition, name); report.checks.push(name); console.log('PASS', name); };
  const shot = async (name) => {
    await delay(250);
    const r = await send('Page.captureScreenshot', { format: 'png' });
    fs.writeFileSync(path.join(out, `${name}.png`), Buffer.from(r.data, 'base64'));
  };
  const file = async (selector, name) => {
    const doc = await send('DOM.getDocument');
    const node = await send('DOM.querySelector', { nodeId: doc.root.nodeId, selector });
    await send('DOM.setFileInputFiles', { nodeId: node.nodeId, files: [name] });
  };
  const navigate = async () => {
    let timer;
    const load = new Promise((resolve, reject) => { loaded = resolve; timer = setTimeout(() => reject(new Error('Load timeout')), 20000); });
    await send('Page.navigate', { url: 'http://127.0.0.1:5173/' });
    try { await load; } finally { clearTimeout(timer); loaded = undefined; }
    await until(`typeof window.loadBytesToApp === 'function' && !!document.querySelector('[data-card="excel"] button')`);
  };
  const select = (name) => click(`[...document.querySelectorAll('#rebar-pier-items button')].find(b => b.textContent.includes(${JSON.stringify(name)}) && b.textContent.includes('교대'))`);
  await send('Page.enable'); await send('Runtime.enable'); await send('DOM.enable');
  await send('Emulation.setDeviceMetricsOverride', { width: 1600, height: 1000, deviceScaleFactor: 1, mobile: false });
  const downloads = 'C:\\Users\\User\\AppData\\Local\\Temp\\pierzainer-abut-name-20261105\\downloads';
  await send('Browser.setDownloadBehavior', { behavior: 'allowAndName', downloadPath: downloads, eventsEnabled: true });
  await navigate();
  await click(`document.querySelector('[data-card="excel"] button')`);
  await ev(`document.getElementById('project-name').value = '복합 교대명 검증'; document.getElementById('project-name').dispatchEvent(new Event('input'));`);
  await file('#file', validFile);
  await until(`document.getElementById('dlg-apply').textContent.includes('교대 2기')`);
  check('both full names recognized without cascade errors', await ev(`document.getElementById('pv-abuts').textContent.includes('A1-완도') && document.getElementById('pv-abuts').textContent.includes('A2-완도') && !document.querySelector('#sheets .bad')`));
  check('full-name checkboxes stay distinct', await ev(`document.getElementById('import-abut-A1-완도').checked && document.getElementById('import-abut-A2-완도').checked`));
  await shot('01-full-names-import');
  await click(`document.getElementById('dlg-apply')`);
  await click(`document.getElementById('nav-rebar')`);
  await select('A1-완도');
  check('full name selects the start abutment', await ev(`document.getElementById('rebar-note').textContent.startsWith('A1-완도') && document.querySelectorAll('#rebar-tabs button').length === 6`));
  await select('A2-완도');
  check('full name selects the end abutment independently', await ev(`document.getElementById('rebar-note').textContent.startsWith('A2-완도')`));
  const order = await ev(`[...document.querySelectorAll('#rebar-pier-items button')].map(b => b.textContent)`);
  check('type-based order is preserved', order[0].includes('A1-완도') && order[1].includes('P1') && order[2].includes('A2-완도'));
  await shot('02-independent-abutments');
  await click(`document.getElementById('save-project')`);
  await until(`document.getElementById('save-dialog').open`);
  await click(`document.getElementById('sv-save')`);
  for (let i = 0; i < 100 && !(downloadGuid && done.has(downloadGuid)); i++) await delay(150);
  assert.ok(downloadGuid && done.has(downloadGuid), 'actual download completes');
  const text = fs.readFileSync(path.join(downloads, downloadGuid), 'utf8');
  const project = JSON.parse(text);
  const expectedNames = ['A1-완도', 'A2-완도'];
  assert.deepEqual(project.abutments.map((a) => a.name), expectedNames);
  assert.deepEqual(project.abutDefaults.map((a) => a.name), expectedNames);
  report.checks.push('actual download preserves both names and defaults');
  const saved = path.join(out, 'full-names.pzr.json'); fs.writeFileSync(saved, text);
  await navigate();
  await ev('window.openSampleProject()');
  await click(`document.getElementById('open-project')`);
  await file('#project-file', saved);
  await until(`document.querySelector('#toast-host').textContent.includes('열었습니다')`);
  await click(`document.getElementById('nav-rebar')`);
  await select('A1-완도'); await select('A2-완도');
  check('fresh reopen regenerates full-name abutments', await ev(`document.getElementById('save-status').textContent === '저장됨' && document.getElementById('rebar-note').textContent.startsWith('A2-완도')`));
  await shot('03-reopened');
  await click(`document.getElementById('open-import')`);
  await file('#file', badFile);
  await until(`document.getElementById('dlg-apply').textContent.includes('교대 1기') && !!document.querySelector('#sheets details')`);
  check('one bad definition does not disable another name', await ev(`document.getElementById('import-abut-A2-완도').checked && !document.getElementById('import-abut-A2-완도').disabled`));
  check('dependent rows are collapsed under the root', await ev(`document.querySelectorAll('#sheets details').length === 1 && !document.querySelector('#sheets details').open && document.querySelector('#sheets details summary').textContent.includes('8개 행') && document.querySelectorAll('#sheets details p').length === 8`));
  await shot('04-root-error-collapsed');
  await click(`document.querySelector('#sheets details summary')`);
  check('dependent rows remain available for diagnosis', await ev(`document.querySelector('#sheets details').open && document.querySelector('#sheets details').textContent.includes('IP') && document.querySelector('#sheets details').textContent.includes('받침')`));
  await shot('05-related-rows');
  check('no browser runtime errors', report.errors.length === 0);
  report.result = 'PASS';
}
main().catch((error) => { report.result = 'FAIL'; report.failure = error.stack; process.exitCode = 1; }).finally(async () => {
  if (report.result === 'FAIL' && send) {
    try { const shot = await send('Page.captureScreenshot', { format: 'png' }); fs.writeFileSync(path.join(out, 'failure.png'), Buffer.from(shot.data, 'base64')); } catch { /* Keep the original error. */ }
  }
  report.finished = new Date().toISOString(); fs.writeFileSync(path.join(out, 'report.json'), JSON.stringify(report, null, 2));
  console.log(JSON.stringify({ result: report.result, checks: report.checks.length, errors: report.errors, failure: report.failure }));
  if (send) { try { await send('Page.close'); } catch { /* The tab may already be closed. */ } }
  ws?.close();
});