/**
 * 微博二维码登录测试 V2
 * 1. 访问微博首页
 * 2. 点击"登录/注册"按钮
 * 3. 截取二维码
 * 4. 等待扫码并验证
 */

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

const SCREENSHOT_DIR = '/tmp/weibo_qr_login';
const delay = (ms) => new Promise(resolve => setTimeout(resolve, ms));

if (!fs.existsSync(SCREENSHOT_DIR)) {
  fs.mkdirSync(SCREENSHOT_DIR, { recursive: true });
}

async function weiboQRLogin() {
  console.log('🌐 启动浏览器...');
  
  const browser = await puppeteer.launch({
    ...getLaunchOptions(),
    headless: true,
  });
  
  try {
    const page = await browser.newPage();
    await page.setViewport({ width: 1280, height: 900 });
    
    // 访问微博首页
    console.log('🔄 访问微博首页...');
    await page.goto('https://weibo.com', {
      waitUntil: 'networkidle2',
      timeout: 60000,
    });
    
    await delay(3000);
    console.log('✅ 首页加载完成');
    
    // 截图 - 首页状态
    await page.screenshot({ path: `${SCREENSHOT_DIR}/homepage.png` });
    
    // 查找并点击"登录"按钮
    console.log('🔍 查找登录按钮...');
    let loginBtn = null;
    
    // 通过文本查找
    const allLinks = await page.$$('a, button, div[role="button"]');
    for (const link of allLinks) {
      const text = await page.evaluate(el => el.textContent, link);
      if (text && (text.trim() === '登录' || text.includes('登录/注册'))) {
        console.log(`✅ 找到登录按钮: "${text.trim()}"`);
        loginBtn = link;
        break;
      }
    }
    
    if (!loginBtn) {
      console.log('⚠️ 通过文本未找到，尝试选择器...');
      loginBtn = await page.$('a[href*="login"], .login, [node-type="loginBtn"]');
    }
    
    if (loginBtn) {
      console.log('🖱️ 点击登录按钮...');
      try {
        await loginBtn.click();
      } catch (e) {
        // 如果点击失败，尝试 JavaScript 点击
        console.log('  普通点击失败，尝试 JS 点击...');
        await page.evaluate(el => el.click(), loginBtn);
      }
      await delay(3000);
      console.log('✅ 已点击登录');
    } else {
      console.log('❌ 未找到登录按钮，尝试直接访问登录链接');
      await page.goto('https://weibo.com/newlogin', { waitUntil: 'networkidle2' });
      await delay(3000);
    }
    
    // 截图 - 应该显示登录弹窗/页面
    await page.screenshot({ path: `${SCREENSHOT_DIR}/login_page.png` });
    console.log('📸 已截图登录页面');
    
    // 检查是否有二维码
    const qrSelectors = [
      'img[src*="qr"]',
      '[class*="qr"]',
      '[class*="qrcode"]',
      'canvas',
    ];
    
    let qrFound = false;
    for (const sel of qrSelectors) {
      const el = await page.$(sel);
      if (el) {
        console.log(`✅ 找到二维码元素: ${sel}`);
        qrFound = true;
        break;
      }
    }
    
    // 专门截图二维码区域
    const qrScreenshot = `${SCREENSHOT_DIR}/qr_code_v2.png`;
    await page.screenshot({ path: qrScreenshot });
    console.log(`📸 已保存: ${qrScreenshot}`);
    
    console.log('\n' + '='.repeat(60));
    console.log('📧 请查看登录页面截图');
    console.log('📱 请使用微博 App 扫描二维码');
    console.log('⏳ 等待扫码...');
    console.log('='.repeat(60) + '\n');
    
    // 等待用户扫码
    await delay(60000);
    
    // 检查登录状态
    console.log('🔍 检查登录状态...');
    await page.reload({ waitUntil: 'networkidle2' });
    await delay(3000);
    
    const currentUrl = page.url();
    const title = await page.title();
    console.log(`🔗 当前URL: ${currentUrl}`);
    console.log(`📄 页面标题: ${title}`);
    
    await page.screenshot({ path: `${SCREENSHOT_DIR}/after_scan.png` });
    
    // 判断是否登录成功
    const isLoggedIn = !currentUrl.includes('login') && !title.includes('登录');
    
    if (isLoggedIn) {
      console.log('✅ 登录成功！');
      // 尝试发微博
      await postTestWeibo(page);
    } else {
      console.log('⏳ 可能还未扫码完成');
    }
    
  } catch (error) {
    console.error('❌ 错误:', error.message);
    try {
      if (typeof page !== 'undefined') {
        await page.screenshot({ path: `${SCREENSHOT_DIR}/error.png` });
      }
    } catch(e) {}
  } finally {
    await browser.close();
  }
}

async function postTestWeibo(page) {
  const TEST_CONTENT = '🤖 二维码登录测试 ' + new Date().toLocaleString('zh-CN');
  
  try {
    // 点击"写微博"
    const allBtns = await page.$$('button, a, div[role="button"]');
    for (const btn of allBtns) {
      const text = await page.evaluate(el => el.textContent, btn);
      if (text?.includes('写微博')) {
        await btn.click();
        console.log('🖱️ 点击"写微博"');
        break;
      }
    }
    
    await delay(2000);
    
    // 查找发布框
    let postBox = await page.$('textarea[placeholder*="有什么新鲜事"]');
    if (!postBox) {
      const textareas = await page.$$('textarea');
      if (textareas.length > 0) postBox = textareas[0];
    }
    
    if (postBox) {
      await postBox.click();
      await delay(500);
      await postBox.type(TEST_CONTENT, { delay: 30 });
      console.log('✍️ 已输入:', TEST_CONTENT);
      
      await delay(1000);
      
      // 查找发送按钮
      let sendBtn = null;
      const allBtns2 = await page.$$('button, a, div[role="button"]');
      for (const btn of allBtns2) {
        const text = await page.evaluate(el => el.textContent, btn);
        if (text?.includes('发送')) {
          sendBtn = btn;
          break;
        }
      }
      
      if (sendBtn) {
        console.log('🚀 点击发送...');
        await sendBtn.click();
        await delay(5000);
        
        await page.screenshot({ path: `${SCREENSHOT_DIR}/post_result.png` });
        console.log('✅ 发送完成！');
      }
    }
  } catch (error) {
    console.error('❌ 发微博失败:', error.message);
  }
}

weiboQRLogin().catch(console.error);