/**
 * shiroko-monitor 四种视图验证（开发用，需 playwright）
 *
 * 覆盖：卡片 / 表格 / 大屏 / 极简 四视图的渲染数量、切换器、URL 指定、hideTargets 脱敏、无 JS 错误
 *
 * 用法：NODE_PATH=<playwright node_modules> node scripts/verify-views.cjs [baseUrl]
 */
const fs = require('node:fs');
const path = require('node:path');
const { chromium } = require('playwright');

const BASE = process.argv[2] || 'http://localhost:8787';
const CONFIG = path.join(__dirname, '..', 'public', 'monitors.json');
const CHROME = 'C:/Program Files/Google/Chrome/Application/chrome.exe';
const results = [];

function check(name, pass, detail) {
  results.push({ name, pass });
  console.log(`${pass ? '  ✓' : '  ✗'} ${name}${detail ? ` — ${detail}` : ''}`);
}

const SELECTOR = { cards: '.card', table: 'table.monitor-table tbody tr[data-status]' };

async function main() {
  const browser = await chromium.launch({ executablePath: CHROME, args: ['--no-sandbox'] });
  const context = await browser.newContext({ viewport: { width: 1280, height: 900 } });
  const page = await context.newPage();
  const errors = [];
  page.on('console', (m) => { if (m.type() === 'error') errors.push(m.text()); });
  page.on('pageerror', (e) => errors.push(`pageerror: ${e.message}`));

  const snap = await fetch(`${BASE}/api/status`, { cache: 'no-store' }).then((r) => r.json());
  const shown = Object.keys(snap.monitors).length;

  // 默认视图：不带 ?view= 时应为表格
  await page.goto(`${BASE}/?source=api`, { waitUntil: 'domcontentloaded' });
  await page.waitForSelector(SELECTOR.table, { timeout: 15000 });
  check('默认视图为表格', (await page.evaluate(() => document.body.dataset.view)) === 'table', `data-view=${await page.evaluate(() => document.body.dataset.view)}`);
  check('切换器只有两个选项（表格/卡片）', (await page.evaluate(() => document.querySelectorAll('.view-btn').length)) === 2, '2 个');

  for (const view of ['table', 'cards']) {
    await page.goto(`${BASE}/?source=api&view=${view}`, { waitUntil: 'domcontentloaded' });
    await page.waitForSelector(SELECTOR[view], { timeout: 15000 });
    // 等首次快照渲染完成（不再有 pending 条目）再截图，避免拍到「等待检测」中间态
    await page.waitForFunction(() => !document.querySelector('[data-status="pending"]'), null, { timeout: 40000 });
    await page.waitForTimeout(400);
    const info = await page.evaluate((sel) => ({
      bodyView: document.body.dataset.view,
      count: document.querySelectorAll(sel).length,
      activeBtn: document.querySelector('.view-btn.active')?.textContent ?? '',
    }), SELECTOR[view]);
    check(`${view} 视图渲染 ${shown} 个条目`, info.count === shown, `count=${info.count}, 切换器=${info.activeBtn}`);
    await page.screenshot({ path: path.join(__dirname, '..', 'docs', `screenshot-view-${view}.png`), fullPage: true });
  }

  // 切换器持久化：点击后写入 localStorage，刷新后仍生效（URL 不带 ?view= 时不覆盖用户选择）
  await page.goto(`${BASE}/?source=api`, { waitUntil: 'domcontentloaded' });
  await page.waitForSelector(SELECTOR.table, { timeout: 15000 });
  await page.click('.view-btn:nth-child(2)'); // 卡片
  await page.waitForSelector(SELECTOR.cards, { timeout: 10000 });
  const saved = await page.evaluate(() => localStorage.getItem('shiroko.view'));
  await page.reload({ waitUntil: 'domcontentloaded' });
  await page.waitForSelector(SELECTOR.cards, { timeout: 15000 });
  check('视图切换被记住（localStorage），刷新后仍为卡片', saved === 'cards' && (await page.evaluate(() => document.body.dataset.view)) === 'cards', `saved=${saved}`);
  await page.evaluate(() => localStorage.removeItem('shiroko.view'));

  // dataFilter：仅配置 / 仅 UptimeRobot / 两者
  const cfgAll = JSON.parse(fs.readFileSync(CONFIG, 'utf8'));
  const configCount = cfgAll.monitors.length;
  const urCount = Object.values(snap.monitors).filter((m) => m.meta?.source === 'uptimerobot').length;
  console.log(`    配置目标 ${configCount} 个，UptimeRobot 镜像 ${urCount} 个`);
  const rawCfg = fs.readFileSync(CONFIG, 'utf8');
  try {
    for (const [mode, expect] of [['config', configCount], ['uptimerobot', urCount], ['both', configCount + urCount]]) {
      const c = JSON.parse(rawCfg);
      c.settings.dataFilter = mode;
      fs.writeFileSync(CONFIG, `${JSON.stringify(c, null, 2)}\n`);
      await new Promise((r) => setTimeout(r, 900)); // 等探针热重载
      await page.goto(`${BASE}/?source=api&view=table`, { waitUntil: 'domcontentloaded' });
      if (expect > 0) await page.waitForSelector(SELECTOR.table, { timeout: 15000 });
      else await page.waitForTimeout(1500);
      const n = await page.evaluate((sel) => document.querySelectorAll(sel).length, SELECTOR.table);
      const snapNow = await fetch(`${BASE}/api/status`, { cache: 'no-store' }).then((r) => r.json());
      check(`dataFilter=${mode} 时面板与快照口径一致（${expect} 个）`, n === expect && snapNow.dataFilter === mode, `面板 ${n} 个，快照 dataFilter=${snapNow.dataFilter}`);
    }
  } finally {
    // 还原并校验：测试改配置必须原样恢复，否则会静默改坏仓库里的配置
    fs.writeFileSync(CONFIG, rawCfg);
    if (fs.readFileSync(CONFIG, 'utf8') !== rawCfg) {
      fs.writeFileSync(CONFIG, rawCfg);
      check('测试后配置原样还原', false, '首次还原后内容不一致，已重写');
    } else {
      check('测试后配置原样还原', true, 'monitors.json 未被测试改动');
    }
  }

  // hideTargets：开启后面板不渲染任何目标地址
  const raw = fs.readFileSync(CONFIG, 'utf8');
  const cfg = JSON.parse(raw);
  cfg.settings.hideTargets = true;
  fs.writeFileSync(CONFIG, `${JSON.stringify(cfg, null, 2)}\n`);
  try {
    await page.goto(`${BASE}/?source=api&view=cards`, { waitUntil: 'domcontentloaded' });
    await page.waitForSelector('.card', { timeout: 15000 });
    await page.waitForTimeout(800);
    const leak = await page.evaluate(() => {
      const html = document.getElementById('monitor-grid').innerHTML;
      return /https?:\/\//.test(html) || /\d+\.\d+\.\d+\.\d+:\d+/.test(html);
    });
    const target = await page.evaluate(() => document.querySelector('.card-target')?.textContent ?? '');
    check('hideTargets 开启后面板不渲染目标地址', !leak && target === '已隐藏', `target="${target}"`);
  } finally {
    fs.writeFileSync(CONFIG, raw); // 还原
  }

  // 429 是刷新限流保护在起作用（快速连续导航各触发一次强制探测），面板已优雅降级为只读数据；
  // 这里只把 429 以外的错误视为失败
  const hardErrors = errors.filter((e) => !/429/.test(e));
  check('两种视图无 JS 错误（除限流保护外）', hardErrors.length === 0, hardErrors.length ? hardErrors.join(' | ') : `无；另有 ${errors.length} 次 429 —— 快速连续刷新触发服务端限流，面板已回退到只读数据`);
  await browser.close();

  const failed = results.filter((r) => !r.pass);
  console.log(`\n结果：${results.length - failed.length}/${results.length} 通过`);
  if (failed.length) process.exit(1);
}

main().catch((err) => {
  console.error('FAILED:', err.stack || err.message);
  process.exit(1);
});