/**
 * 窄屏悬浮玻璃导航 + 视图切换动画的真实验收。
 *
 * 用户两条原话：
 *   「窄屏布局的导航栏还是固定底部延伸，没有玻璃效果，也没有悬浮」
 *   「页面极度缺少动画，所有页面都是直接出现」
 *
 * 判据只量**可观测的东西**：几何（留缝/圆角）、玻璃（半透明 + 模糊）、动画（真的在跑）。
 * 每项都配反向对照，否则"没有动画"和"有动画但没触发"分不开。
 *
 * 用法：AGENTMAIL_DIST=<dist> ADMIN_USER=.. ADMIN_PW=.. node test/manual/narrow-glass-verify.mjs
 */
import { openApp } from './narrow-probe-helper.mjs';

const PHONE = { width: 390, height: 844 };
const results = [];
const record = (name, ok, note) => {
  results.push({ name, ok });
  console.log(`  ${ok ? '通过' : '失败'}  ${name}${note ? ' — ' + note : ''}`);
};

const { page, ctx } = await openApp(PHONE);
try {
  await page.waitForSelector('.narrow-nav', { timeout: 25000 });
  await page.waitForTimeout(600);

  // ── ① 悬浮：留缝 + 圆角 ──
  const geo = await page.evaluate(() => {
    const nav = document.querySelector('.narrow-nav');
    const r = nav.getBoundingClientRect();
    const cs = getComputedStyle(nav);
    const pr = getComputedStyle(document.querySelector('.narrow-shell') || nav.parentElement);
    return {
      left: r.left,
      right: r.right,
      bottom: r.bottom,
      vw: window.innerWidth,
      vh: window.innerHeight,
      radius: cs.borderRadius,
      marginBottom: cs.marginBottom,
      parentPadBottom: pr.paddingBottom,
      pointerAtGap: document.elementFromPoint(r.left - 4, r.top + 4)?.className?.toString().slice(0, 40) || ''
    };
  });
  record(
    '① 导航不再贴底通栏：左右留缝、离底留缝、有圆角',
    geo.left >= 6 && geo.vw - geo.right >= 6 && geo.vh - geo.bottom >= 6 && parseFloat(geo.radius) >= 8,
    `left=${Math.round(geo.left)} right缝=${Math.round(geo.vw - geo.right)} bottom缝=${Math.round(geo.vh - geo.bottom)} radius=${geo.radius}`
  );
  record(
    '① 左边缝露出来的是页面底（说明它真的浮在上面）',
    !/narrow-nav/.test(geo.pointerAtGap),
    `缝隙处命中=${geo.pointerAtGap || '(页面底)'}`
  );

  // ── ② 玻璃：半透明 + 模糊 ──
  const glass = await page.evaluate(() => {
    const cs = getComputedStyle(document.querySelector('.narrow-nav'));
    const bg = cs.backgroundColor.match(/rgba?\(([^)]+)\)/);
    const a = bg ? (bg[1].split(',').length === 4 ? parseFloat(bg[1].split(',')[3]) : 1) : null;
    const bf = cs.backdropFilter || cs.webkitBackdropFilter || 'none';
    return { alpha: a, blur: bf };
  });
  record(
    '② 导航是玻璃：半透明 + 背景模糊',
    glass.alpha !== null && glass.alpha > 0.4 && glass.alpha < 0.98 && /blur\((\d+)/.test(glass.blur),
    `α=${glass.alpha} backdrop=${glass.blur}`
  );

  // ── ③ 触摸目标仍然达标（悬浮不能把可点面积改小）──
  const taps = await page.$$eval('.narrow-nav button', els =>
    els.map(e => {
      const r = e.getBoundingClientRect();
      return { w: Math.round(r.width), h: Math.round(r.height), label: e.textContent.trim().slice(0, 4) };
    })
  );
  const small = taps.filter(t => t.h < 44);
  record('③ 每项触摸高度 ≥44px', taps.length >= 4 && small.length === 0,
    `${taps.length} 项，最小 ${Math.min(...taps.map(t => t.h))}px`);

  // ── ④ 动画：切换页签时面板真的在跑 pane-in ──
  const animBefore = await page.evaluate(
    () => getComputedStyle(document.querySelector('.narrow-shell > *')).animationName
  );
  await page.click('.narrow-nav button:has-text("日历")');
  await page.waitForTimeout(60);
  const during = await page.evaluate(() => {
    const root = document.documentElement;
    const panes = [...document.querySelectorAll('.narrow-shell > *')];
    return {
      hasClass: root.classList.contains('view-switch'),
      names: panes.map(p => getComputedStyle(p).animationName).filter(n => n !== 'none')
    };
  });
  record(
    '④ 切视图时面板在跑入场动画（反向对照：静止时不跑）',
    animBefore === 'none' && during.names.length > 0 && during.names.every(n => n === 'pane-in'),
    `静止 animationName=${animBefore}；切换后 class=${during.hasClass} 动画=[${during.names.join(',')}]`
  );

  // ── ⑤ 动画必须尊重 reduced-motion ──
  await page.emulateMedia({ reducedMotion: 'reduce' });
  await page.click('.narrow-nav button:has-text("联系人")');
  await page.waitForTimeout(60);
  const reduced = await page.evaluate(() =>
    [...document.querySelectorAll('.narrow-shell > *')]
      .map(p => getComputedStyle(p).animationName)
      .filter(n => n !== 'none')
  );
  record('⑤ 系统关了动画时一点都不动', reduced.length === 0, `动画=[${reduced.join(',')}]`);
  await page.emulateMedia({ reducedMotion: null });
} finally {
  await page.close();
  await ctx.close();
}

const failed = results.filter(r => !r.ok);
console.log(`\n  窄屏悬浮玻璃 + 动画：${results.length - failed.length}/${results.length} 通过`);
if (failed.length) console.log('  失败：' + failed.map(f => f.name).join('; '));
process.exitCode = failed.length ? 1 : 0;