/**
 * 测试 Vercel Challenge 耗时
 * 用法: npm run test:stealth
 * 优先使用系统 Chrome，找不到则 fallback 到 Playwright Chromium
 */
const fs = require('fs');
const CHALLENGE_URL = process.env.CHALLENGE_URL || 'https://cursor.com/cn/docs';

// 自动检测系统 Chrome 路径
function findSystemChrome() {
    const paths = [
        // macOS
        '/Applications/Google Chrome.app/Contents/MacOS/Google Chrome',
        // Linux
        '/usr/bin/google-chrome',
        '/usr/bin/google-chrome-stable',
        '/usr/bin/chromium',
        '/usr/bin/chromium-browser',
        // Windows
        'C:\\Program Files\\Google\\Chrome\\Application\\chrome.exe',
        'C:\\Program Files (x86)\\Google\\Chrome\\Application\\chrome.exe',
    ];
    for (const p of paths) {
        if (fs.existsSync(p)) return p;
    }
    return null;
}

(async () => {
    const { chromium } = require('playwright-extra');
    const stealth = require('puppeteer-extra-plugin-stealth');
    chromium.use(stealth());

    const start = Date.now();
    const elapsed = () => ((Date.now() - start) / 1000).toFixed(1) + 's';

    const chromePath = findSystemChrome();
    if (chromePath) {
        console.log(`[Test] Using system Chrome: ${chromePath}`);
    } else {
        console.log(`[Test] System Chrome not found, using Playwright Chromium`);
    }

    const launchOptions = {
        headless: true,
        args: ['--no-sandbox', '--disable-setuid-sandbox', '--disable-dev-shm-usage'],
    };
    if (chromePath) launchOptions.executablePath = chromePath;

    console.log(`[Test] Launching browser...`);
    const browser = await chromium.launch(launchOptions);

    const ctx = await browser.newContext({
        userAgent: 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36',
    });

    const page = await ctx.newPage();
    console.log(`[Test] [${elapsed()}] Navigating to ${CHALLENGE_URL}...`);

    try {
        await page.goto(CHALLENGE_URL, { waitUntil: 'domcontentloaded', timeout: 120000 });
        console.log(`[Test] [${elapsed()}] Page loaded, waiting for _vcrcs cookie...`);
    } catch (e) {
        console.error(`[Test] [${elapsed()}] Page load failed: ${e.message}`);
        await browser.close();
        process.exit(1);
    }

    for (let i = 0; i < 60; i++) {
        const cookies = await ctx.cookies();
        const vcrcs = cookies.find(c => c.name === '_vcrcs');
        if (vcrcs) {
            console.log(`[Test] [${elapsed()}] Got _vcrcs cookie!`);
            console.log(`[Test] Value: ${vcrcs.value.substring(0, 50)}...`);
            await browser.close();
            process.exit(0);
        }
        await new Promise(r => setTimeout(r, 2000));
    }

    console.error(`[Test] [${elapsed()}] Failed to get _vcrcs cookie after 120s`);
    await browser.close();
    process.exit(1);
})();