/**
 * 微博登录 - 分步骤执行
 * Step 1: 打开登录页，截图二维码
 * Step 2: 等待用户扫码
 * Step 3: 保存登录后的 Cookie
 */

const puppeteer = require('puppeteer-core');
const { getLaunchOptions } = require('../config/browser');
const fs = require('fs');

const SCREENSHOT_DIR = '/tmp/weibo_step_login';
const COOKIE_FILE = '/home/ubuntu/weibo_cookies_qr.json';

const delay = (ms) => new Promise(resolve => setTimeout(resolve, ms));

// 确保目录存在
if (!fs.existsSync(SCREENSHOT_DIR)) {
  fs.mkdirSync(SCREENSHOT_DIR, { recursive: true });
}

async function stepByStepLogin() {
  console.log('🌐 启动浏览器...');
  
  const browser = await puppeteer.launch({
    ...getLaunchOptions(),
    headless: true,
  });
  
  const page = await browser.newPage();
  await page.setViewport({ width: 1280, height: 900 });
  
  try {
    // ===== STEP 1: 打开登录页并截图 =====
    const loginUrl = 'https://passport.weibo.com/sso/signin?entry=miniblog&source=miniblog&disp=popup&url=https%3A%2F%2Fweibo.com%2Fnewlogin%3Ftabtype%3Dweibo%26gid%3D102803%26openLoginLayer%3D0%26url%3Dhttps%3A%2F%2Fweibo.com%2F&from=weibopro';
    
    console.log('\n📍 Step 1: 打开登录页面...');
    await page.goto(loginUrl, {
      waitUntil: 'networkidle2',
      timeout: 60000,
    });
    
    await delay(5000);
    console.log('✅ 登录页已加载');
    
    // 截图二维码
    const qrScreenshot = `${SCREENSHOT_DIR}/qr_step1.png`;
    await page.screenshot({ path: qrScreenshot, fullPage: false });
    console.log(`📸 已截图: ${qrScreenshot}`);
    
    // 复制到 web 目录
    fs.copyFileSync(qrScreenshot, `/home/ubuntu/nanocode/audiobook-player/static/qr_step1.png`);
    console.log('📤 已上传: http://129.211.173.87:8899/screenshots/qr_step1.png');
    
    console.log('\n' + '='.repeat(60));
    console.log('🛑 请扫码！');
    console.log('📱 打开微博 App → 扫一扫');
    console.log('🔗 http://129.211.173.87:8899/screenshots/qr_step1.png');
    console.log('⏳ 扫码完成后告诉我，我会继续保存 Cookie');
    console.log('='.repeat(60) + '\n');
    
    // 保存浏览器实例，等待用户指令
    // 我们会保持浏览器打开，但需要等待用户回复
    
    // 测试：等待一段时间检查是否已扫码
    let loggedIn = false;
    let attempts = 0;
    const maxAttempts = 60; // 最多等待60次，每次2秒 = 120秒
    
    while (!loggedIn && attempts < maxAttempts) {
      await delay(2000);
      attempts++;
      
      // 检查当前URL
      const currentUrl = page.url();
      
      // 如果URL变了，不再包含 passport，说明可能登录成功
      if (!currentUrl.includes('passport.weibo.com')) {
        console.log(`\n✅ 检测到页面跳转！URL: ${currentUrl}`);
        loggedIn = true;
        break;
      }
      
      // 每10秒提示一次
      if (attempts % 5 === 0) {
        console.log(`⏳ 等待扫码中... (${attempts * 2}秒)`);
      }
    }
    
    if (loggedIn) {
      // ===== STEP 3: 保存 Cookie =====
      console.log('\n📍 Step 3: 保存登录 Cookie...');
      
      const cookies = await page.cookies();
      fs.writeFileSync(COOKIE_FILE, JSON.stringify(cookies, null, 2));
      console.log(`💾 Cookie 已保存到: ${COOKIE_FILE}`);
      console.log(`📊 共 ${cookies.length} 个 Cookie`);
      
      // 显示关键 Cookie
      const keyCookies = cookies.filter(c => 
        ['SUB', 'SUBP', 'ALF', 'SCF', 'SSOLoginState'].includes(c.name)
      );
      console.log('\n🔑 关键 Cookie:');
      keyCookies.forEach(c => {
        console.log(`  - ${c.name}: ${c.value.substring(0, 30)}...`);
      });
      
      // 验证登录状态
      await page.goto('https://weibo.com/u/me', { waitUntil: 'networkidle2' });
      await delay(3000);
      
      const verifyScreenshot = `${SCREENSHOT_DIR}/logged_in.png`;
      await page.screenshot({ path: verifyScreenshot });
      fs.copyFileSync(verifyScreenshot, `/home/ubuntu/nanocode/audiobook-player/static/logged_in.png`);
      console.log('\n📸 验证截图: http://129.211.173.87:8899/screenshots/logged_in.png');
      
      console.log('\n✅ 全部完成！Cookie 已保存，可以发邮件给你');
      
    } else {
      console.log('\n⏱️ 等待超时（120秒），可能未扫码');
    }
    
  } catch (error) {
    console.error('❌ 错误:', error.message);
  } finally {
    await browser.close();
  }
}

stepByStepLogin().catch(console.error);