// t72 下載頁 OS 分流單測（2026-07-27）：8 種 navigator 情境 → 分流結果。
// 用法：node console-ui/test/portal-os-split.test.mjs
// 直接從 index.html 抽最大的 <script> 區塊，測 t72 新增的四個分流函式。
import fs from 'fs';
import path from 'path';
import { fileURLToPath } from 'url';
const here = path.dirname(fileURLToPath(import.meta.url));
const html = fs.readFileSync(path.join(here, '..', 'public', 'portal', 'index.html'), 'utf8');
const src = html.match(/<script>([\s\S]*?)<\/script>/g)
  .map((b) => b.replace(/^<script>|<\/script>$/g, ''))
  .sort((a, b) => b.length - a.length)[0];
const pick = (name) => {
  const i = src.indexOf('function ' + name + '(');
  if (i < 0) throw new Error('找不到 ' + name);
  let depth = 0, j = src.indexOf('{', i);
  for (let k = j; k < src.length; k++) {
    if (src[k] === '{') depth++;
    else if (src[k] === '}') { depth--; if (!depth) return src.slice(i, k + 1); }
  }
};
const code = ['detectOS','osLabel','firstOpenHint','otherOsLine'].map(pick).join('\n');
const esc = (s) => String(s).replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/"/g,'&quot;');
const make = (nav) => {
  const fn = new Function('navigator','esc', code + '; return {detectOS,osLabel,firstOpenHint,otherOsLine};');
  return fn(nav, esc);
};
const MAC='https://x/mac.zip', WIN='https://x/win.zip';
const cases = [
  ['Windows 11 Chrome', {userAgentData:{platform:'Windows'},platform:'Win32',userAgent:'Mozilla/5.0 (Windows NT 10.0; Win64; x64)',maxTouchPoints:0}, 'win'],
  ['Windows 舊 Firefox（無 userAgentData）', {platform:'Win32',userAgent:'Mozilla/5.0 (Windows NT 10.0; Win64; x64) Firefox/128',maxTouchPoints:0}, 'win'],
  ['macOS Safari', {platform:'MacIntel',userAgent:'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) Safari/605',maxTouchPoints:0}, 'mac'],
  ['macOS Chrome (UA-CH)', {userAgentData:{platform:'macOS'},platform:'MacIntel',userAgent:'Mozilla/5.0 (Macintosh) Chrome/141',maxTouchPoints:0}, 'mac'],
  ['iPad（自稱 Macintosh，有觸控）', {platform:'MacIntel',userAgent:'Mozilla/5.0 (Macintosh; Intel Mac OS X) Safari',maxTouchPoints:5}, 'unknown'],
  ['Linux', {platform:'Linux x86_64',userAgent:'Mozilla/5.0 (X11; Linux x86_64)',maxTouchPoints:0}, 'unknown'],
  ['Android', {platform:'Linux armv8l',userAgent:'Mozilla/5.0 (Linux; Android 14)',maxTouchPoints:5}, 'unknown'],
  ['什麼都沒有', {maxTouchPoints:0}, 'unknown'],
];
let fail = 0;
for (const [name, nav, want] of cases) {
  const m = make(nav);
  const got = m.detectOS();
  const ok = got === want;
  if (!ok) fail++;
  console.log(`${ok?'✅':'❌'} ${name.padEnd(34)} → ${got} (期望 ${want})`);
}
console.log('\n--- 各情境實際顯示的文字 ---');
for (const os of ['win','mac','unknown']) {
  const m = make({});
  console.log(`\n[${os}] 主按鈕：下載 ${m.osLabel(os)}版`);
  console.log(`  首開提示：${m.firstOpenHint(os)}`);
  console.log(`  另一個系統（Win zip 已上架）：${m.otherOsLine(os, MAC, WIN) || '(不顯示)'}`);
  console.log(`  另一個系統（Win zip 未上架＝現況）：${m.otherOsLine(os, MAC, '') || '(不顯示)'}`);
}
process.exit(fail ? 1 : 0);