// 通过 ego-browser nodejs < tools/browser-smoke.mjs 运行；仅访问本地测试页面。
// 空间编号由首次 browser QA 建立，同一任务一直复用该空间。
const space = Number(process.env.GARDEN_SPACE);
if (!space || !process.env.GARDEN_QA_DIR) throw new Error('请设置 GARDEN_SPACE 与 GARDEN_QA_DIR，复用当前 QA 空间。');
const task = await taskSpace(space), page = task.page('p1');
await page.reload();
await page.waitForFunction(() => !!window.__garden);
const fs = await import('node:fs/promises');
const root = process.env.GARDEN_QA_DIR;
const report = { checks: [], levels: [] };
await page.evaluate(() => { window.__qaErrors = []; window.addEventListener('error', e => window.__qaErrors.push(e.message)); window.addEventListener('unhandledrejection', e => window.__qaErrors.push(String(e.reason))); });
const info = () => page.evaluate(() => {
  const g = window.__garden, s = g.snapshot(), t = g.transform(), r = document.getElementById('board').getBoundingClientRect();
  return { snapshot: s, level: g.level(), hint: g.hint(), points: g.hint().map(id => { const b = s.balls.find(b => b.id === id); return { x: r.left + t.x + b.x * t.scale, y: r.top + t.y + b.y * t.scale }; }) };
});
const send = async (type, points) => page.cdp('Input.dispatchTouchEvent', { type, touchPoints: points.map((p, id) => ({...p, id, radiusX: 5, radiusY: 5, force: 1})) });
let initial = await info();
if (initial.level.id !== 1) throw new Error('QA expects an untouched campaign');
// 两颗松手、系统取消、回滑撤回均不得扣步。
await send('touchStart', [initial.points[0]]); await send('touchMove', [initial.points[1]]); await send('touchEnd', []);
if ((await info()).snapshot.stats.merges !== 0) throw new Error('short gesture committed');
report.checks.push('两颗松手不扣步');
await send('touchStart', [initial.points[0]]); await send('touchMove', [initial.points[1]]); await send('touchCancel', []);
if ((await info()).snapshot.stats.merges !== 0) throw new Error('cancel committed');
report.checks.push('触摸取消不提交');
await send('touchStart', [initial.points[0]]); await send('touchMove', [initial.points[1]]); await send('touchMove', [initial.points[2]]); await send('touchMove', [initial.points[1]]); await send('touchEnd', []);
if ((await info()).snapshot.stats.merges !== 0) throw new Error('backtrack failed');
report.checks.push('回滑撤回');
await page.click('#sound');
await page.click('#hint');
await page.screenshot({path: `${root}/mobile-initial.png`});
for (let expected = 1; expected <= 10; expected++) {
  let data = await info();
  if (data.level.id !== expected) throw new Error(`Expected L${expected}, got ${data.level.id}`);
  for (let turn = 0; turn < data.level.moves; turn++) {
    data = await info();
    if (data.snapshot.status === 'won') break;
    if (data.snapshot.status !== 'playing') throw new Error(`L${expected} prematurely ${data.snapshot.status}`);
    const previous = data.snapshot.stats.merges;
    await send('touchStart', [data.points[0]]);
    for (const p of data.points.slice(1)) await send('touchMove', [p]);
    await send('touchEnd', []);
    await page.waitForFunction(previous => window.__garden.snapshot().stats.merges > previous && !window.__garden.animating(), previous, { timeout: 5000 });
  }
  data = await info();
  if (data.snapshot.status !== 'won') throw new Error(`L${expected} not won`);
  report.levels.push({ level: expected, moves: data.snapshot.stats.merges, score: data.snapshot.stats.score });
  console.log(`触摸通关 L${expected} ${data.snapshot.stats.merges} 步 ${data.snapshot.stats.score} 分`);
  if (expected === 7) await page.screenshot({path: `${root}/mobile-result.png`});
  if (expected < 10) {
    await page.click('[data-action="next"]');
    if (expected === 7) await page.screenshot({path: `${root}/mobile-level8.png`});
  }
}
await page.screenshot({path: `${root}/mobile-all-clear.png`});
report.errors = await page.evaluate(() => window.__qaErrors);
if (report.errors.length) throw new Error(JSON.stringify(report.errors));
await fs.writeFile(`${root}/browser.json`, JSON.stringify(report, null, 2));
console.log(await page.snapshot());