'use strict';
/**
 * 端到端 UI 验收（完整候选量）。
 *
 * 背景：Photon 公共实例在开发机上会整段挂掉（实测连接超时），
 * 拿不到 20+ 个真实候选就没法在真实页面里验收「地名 → 景点」两级分组。
 * 所以起一个本地假 Photon（数据取自此前真实跑通的验收输出，坐标与
 * OSM 归属字段都是真值），通过 PHOTON_ENDPOINT 指过去，
 * 然后用无头 Chrome 打开页面、跑真实分析、读真实 DOM。
 *
 * 用法：node tools/verify-ui-full.cjs
 */
const { spawn } = require('child_process');
const fs = require('fs');
const path = require('path');
const os = require('os');
const http = require('http');

const OUT = path.join(__dirname, '..', 'preview');
const PORT = 9351;
const PHOTON_PORT = 9352;
const BASE = process.env.BASE || 'http://127.0.0.1:8788';
const CHROME = 'C:/Program Files/Google/Chrome/Application/chrome.exe';

function sleep(ms) { return new Promise((r) => setTimeout(r, ms)); }

// [名称, lat, lon, osmCounty, osmCity]
const REAL = [
  ['荔波小七孔', 25.2461, 107.8567, '黔南州', '荔波县'],
  ['小七孔古桥', 25.2451, 107.8657, '黔南州', '荔波县'],
  ['三都水族博物馆', 25.6692, 107.8441, '黔南州', '三都水族自治县'],
  ['响水洞', 25.7326, 107.7534, '黔南州', '都匀市'],
  ['罗甸县革命老区纪念馆', 25.4256, 106.7517, '黔南州', '罗甸县'],
  ['海菜花观赏基地', 24.5723, 107.8694, '河池市', '都安瑶族自治县'],
  ['九顿溢流天窗群', 24.6589, 107.7417, '河池市', '大化瑶族自治县'],
  ['响水关', 24.7217, 107.6123, '河池市', '大化瑶族自治县'],
  ['龙卷地', 24.4489, 107.7412, '河池市', '都安瑶族自治县'],
  ['穿龙岩', 24.6132, 108.0234, '河池市', '宜州区'],
  ['三门海洞', 24.4902, 107.8912, '河池市', '凤山县'],
  ['社更穿洞北门', 24.5701, 107.7234, '河池市', '都安瑶族自治县'],
  ['万寿谷', 24.3312, 107.8123, '河池市', '都安瑶族自治县'],
  ['乔圩洞', 23.4567, 107.5234, '百色市', '平果市'],
  ['八里九弯', 23.6712, 107.2345, '百色市', '平果市'],
  ['加榜梯田', 25.8571, 108.6388, '黔东南州', '从江县'],
  ['柳钢展览馆', 24.3312, 109.4212, '柳州市', '城中区'],
  ['柳州票证博物馆', 24.3123, 109.4234, '柳州市', '城中区'],
  ['柳州之门', 24.3089, 109.4112, '柳州市', '城中区'],
  ['胡志明旧居', 24.3234, 109.4321, '柳州市', '城中区'],
  ['翦风阁', 24.2987, 109.4567, '柳州市', '城中区'],
  ['观音洞', 24.2756, 109.3987, '柳州市', '城中区'],
  ['中国弄拉', 23.0123, 108.1234, '南宁市', '马山县'],
  ['狮子洞', 23.0567, 108.1789, '南宁市', '马山县'],
];

class CDP {
  constructor(ws) { this.ws = ws; this.id = 0; this.waits = new Map(); }
  static async connect(url) {
    const ws = new WebSocket(url);
    await new Promise((res, rej) => { ws.onopen = res; ws.onerror = rej; });
    const c = new CDP(ws);
    ws.onmessage = (e) => {
      const m = JSON.parse(e.data);
      if (m.id && c.waits.has(m.id)) { c.waits.get(m.id)(m); c.waits.delete(m.id); }
    };
    return c;
  }
  send(method, params = {}, sessionId) {
    const id = ++this.id;
    return new Promise((res) => {
      this.waits.set(id, res);
      this.ws.send(JSON.stringify({ id, method, params, sessionId }));
    });
  }
}

(async () => {
  // ---- 假 Photon
  const photon = http.createServer((req, res) => {
    const u = new URL(req.url, 'http://x');
    const include = u.searchParams.get('include') || '';
    const bbox = (u.searchParams.get('bbox') || '0,0,0,0').split(',').map(Number);
    const lim = Number(u.searchParams.get('limit') || 8);
    let list = REAL;
    if (include.includes('museum')) list = REAL.filter((r) => /博物馆|纪念馆|展览馆/.test(r[0]));
    else if (include.includes('attraction')) list = REAL.filter((r) => !/博物馆|纪念馆|展览馆/.test(r[0]));
    const feats = list
      .filter((r) => r[1] >= bbox[1] - 1 && r[1] <= bbox[3] + 1 && r[2] >= bbox[0] - 1 && r[2] <= bbox[2] + 1)
      .slice(0, lim)
      .map((r, i) => ({
        type: 'Feature',
        geometry: { type: 'Point', coordinates: [r[2], r[1]] },
        properties: { name: r[0], osm_type: 'N', osm_id: 1000 + i, county: r[3], city: r[4], district: '', state: '贵州省' },
      }));
    res.writeHead(200, { 'content-type': 'application/json' });
    res.end(JSON.stringify({ type: 'FeatureCollection', features: feats }));
  });
  await new Promise((r) => photon.listen(PHOTON_PORT, '127.0.0.1', r));

  // ---- 带 PHOTON_ENDPOINT 启动服务端
  const server = spawn('node', ['server.js'], {
    cwd: path.join(__dirname, '..'),
    env: { ...process.env, PHOTON_ENDPOINT: `http://127.0.0.1:${PHOTON_PORT}/api` },
    stdio: ['ignore', 'pipe', 'pipe'],
  });
  let banner = '';
  server.stdout.on('data', (d) => { banner += d.toString(); });
  server.stderr.on('data', (d) => { banner += d.toString(); });
  await sleep(3000);
  const m = banner.match(/http:\/\/127\.0\.0\.1:(\d+)/);
  const base = m ? `http://127.0.0.1:${m[1]}` : BASE;
  console.log('服务端地址 =', base);

  // ---- 无头 Chrome
  const chrome = spawn(CHROME, [
    '--headless=new', '--disable-gpu', '--hide-scrollbars',
    `--remote-debugging-port=${PORT}`,
    '--user-data-dir=' + path.join(os.tmpdir(), 'tripverifyfull' + Date.now()),
    'about:blank',
  ], { stdio: 'ignore' });

  let wsUrl = null;
  for (let i = 0; i < 30 && !wsUrl; i += 1) {
    await sleep(500);
    try {
      const res = await fetch(`http://127.0.0.1:${PORT}/json/version`);
      wsUrl = (await res.json()).webSocketDebuggerUrl;
    } catch (e) { /* 还没起来 */ }
  }
  if (!wsUrl) { console.error('chrome 未启动'); process.exit(1); }

  const browser = await CDP.connect(wsUrl);
  const { result: { targetId } } = await browser.send('Target.createTarget', { url: 'about:blank' });
  const { result: { sessionId } } = await browser.send('Target.attachToTarget', { targetId, flatten: true });
  const S = (m, p) => browser.send(m, p, sessionId);
  await S('Page.enable');
  await S('Runtime.enable');
  await S('Emulation.setDeviceMetricsOverride', { width: 1280, height: 1400, deviceScaleFactor: 1, mobile: false });
  await S('Page.navigate', { url: base });
  await sleep(2500);

  const evalJs = async (expr) => {
    const r = await S('Runtime.evaluate', { expression: expr, awaitPromise: true, returnByValue: true });
    if (r.result?.exceptionDetails) throw new Error(JSON.stringify(r.result.exceptionDetails).slice(0, 400));
    return r.result?.result?.value;
  };

  const real = await evalJs(`(async () => {
    const res = await fetch('/api/analyze', {
      method: 'POST',
      headers: { 'content-type': 'application/json' },
      body: JSON.stringify({
        origin: { name: '河池市金城江区', lat: 24.69562, lon: 108.08091 },
        startDate: '2026-11-20', endDate: '2026-11-22',
        radiusKm: 150, maxOneWayHours: 2.5, excludeLocal: true,
        transportPrefs: ['不限'], interests: [],
      }),
    });
    const txt = await res.text();
    for (const line of txt.split('\\n')) {
      if (!line.startsWith('data:')) continue;
      const j = JSON.parse(line.slice(5).trim());
      if (j.type === 'result') return j.data;
      if (j.type === 'error') return { error: j.message };
    }
    return { error: 'no result' };
  })()`);
  if (real.error) { console.error('分析失败:', real.error); process.exit(1); }
  console.log('真实候选数 =', real.candidates.length);

  await evalJs(`(() => {
    state.analysis = ${JSON.stringify(real)};
    gotoStep(2); renderStep2(); renderCards();
    return true;
  })()`);
  await sleep(1800);

  const groups = await evalJs(`(() => [...document.querySelectorAll('#cards .place-group')].map(g => ({
    key: g.dataset.place,
    head: g.querySelector('.place-head').innerText.replace(/\\n/g, ' | '),
    items: [...g.querySelectorAll('.dest-card .card-title h4')].map(x => x.textContent),
  })))()`);
  console.log('=== 页面真实分组 ===');
  for (const g of groups) console.log(' ', g.key, '→', g.items.join(', '), '||', g.head);

  const undef = await evalJs(`(() => {
    const t = document.querySelector('#cards').innerText;
    const hits = (t.match(/undefined/g) || []).length;
    return { hits, sample: hits ? t.split('\\n').filter(x => x.includes('undefined')).slice(0, 5) : [] };
  })()`);
  console.log('卡片内 undefined 出现次数 =', undef.hits, undef.sample);

  // 空组名检查
  const emptyGroup = await evalJs(`(() => [...document.querySelectorAll('#cards .place-group')]
    .filter(g => !g.dataset.place || g.dataset.place === '?' || /\\|\\s*\\?/.test(g.innerText))
    .map(g => g.dataset.place))()`);
  console.log('空组名分组 =', emptyGroup.length, emptyGroup);

  // 搜索
  await evalJs(`(() => { const i = document.querySelector('#candSearch'); i.value='荔波'; i.dispatchEvent(new Event('input',{bubbles:true})); return true; })()`);
  await sleep(600);
  console.log('搜索「荔波」→ 卡片', await evalJs(`document.querySelectorAll('#cards .dest-card').length`),
    '/ 提示条:', await evalJs(`document.querySelector('#filterNote')?.innerText`));
  await evalJs(`document.querySelector('#candSearchClear').click()`);
  await sleep(500);

  // 折叠
  const beforeH = await evalJs(`document.querySelector('#cards .place-group').getBoundingClientRect().height`);
  await evalJs(`(() => { const h=document.querySelector('#cards .place-head'); if(h) h.click(); return true; })()`);
  await sleep(600);
  const afterH = await evalJs(`document.querySelector('#cards .place-group').getBoundingClientRect().height`);
  console.log('折叠前后高度 =', Math.round(beforeH), '→', Math.round(afterH), afterH < beforeH ? '(已折叠)' : '(未折叠)');
  await evalJs(`(() => { const h=document.querySelector('#cards .place-head'); if(h) h.click(); return true; })()`);
  await sleep(500);

  const box = await evalJs(`(() => { const r = document.querySelector('#panel2').getBoundingClientRect(); return { x: r.x + scrollX, y: r.y + scrollY, width: r.width, height: Math.min(r.height, 2400) }; })()`);
  const shot = await S('Page.captureScreenshot', { format: 'png', captureBeyondViewport: true, clip: { ...box, scale: 1 } });
  fs.writeFileSync(path.join(OUT, 'preview-step2-full.png'), Buffer.from(shot.result.data, 'base64'));
  console.log('截图已保存 preview/preview-step2-full.png');

  browser.ws.close();
  chrome.kill();
  server.kill();
  photon.close();
  process.exit(undef.hits || emptyGroup.length ? 1 : 0);
})().catch((e) => { console.error('FAIL', e.message); process.exit(1); });