/**
 * 微博登录助手 - 步骤1: 获取验证码
 */

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

const PHONE = process.argv[2] || '18688929976';
const SCREENSHOT_DIR = '/tmp/weibo_login';

// 延迟函数
const delay = (ms) => new Promise(resolve => setTimeout(resolve, ms));

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

async function weiboLoginStep1() {
  console.log('🌐 正在打开微博登录页面...');
  
  const browser = await puppeteer.launch({
    ...getLaunchOptions(),
    headless: true,
  });
  
  try {
    const page = await browser.newPage();
    await page.setViewport({ width: 1280, height: 900 });
    
    // 打开微博
    await page.goto('https://weibo.com', {
      waitUntil: 'networkidle2',
      timeout: 60000,
    });
    
    console.log('✅ 页面加载完成');
    await delay(3000);
    
    // 保存初始页面截图
    await page.screenshot({ path: `${SCREENSHOT_DIR}/01_initial.png` });
    console.log('📸 初始页面已截图');
    
    // 检查是否有登录框，如果没有可能需要点击登录按钮
    const loginBtn = await page.$('a[href*="login"], .login, [node-type="loginBtn"], .W_btn_g');
    if (loginBtn) {
      const text = await page.evaluate(el => el.textContent, loginBtn);
      console.log(`🔘 发现登录按钮: "${text?.trim()}"，点击中...`);
      await loginBtn.click();
      await delay(3000);
      await page.screenshot({ path: `${SCREENSHOT_DIR}/02_login_modal.png` });
    }
    
    // 查找手机号输入框
    console.log('📱 查找手机号输入框...');
    const phoneSelectors = [
      'input[name="username"]',
      'input[name="phone"]',
      'input[placeholder*="手机号"]',
      'input[placeholder*="邮箱"]',
      'input[type="tel"]',
      'input[type="text"]',
      '#loginname',
      '.W_input',
      'input[node-type="username"]',
      'input[action-type="text_copy"]',
    ];
    
    let phoneInput = null;
    let usedSelector = '';
    for (const sel of phoneSelectors) {
      const inputs = await page.$$(sel);
      for (const input of inputs) {
        const type = await page.evaluate(el => el.type, input);
        const placeholder = await page.evaluate(el => el.placeholder, input);
        console.log(`  检查: ${sel} (type=${type}, placeholder=${placeholder})`);
        if (!phoneInput) {
          phoneInput = input;
          usedSelector = sel;
        }
      }
      if (phoneInput) break;
    }
    
    if (!phoneInput) {
      console.log('⚠️ 尝试获取所有输入框...');
      const allInputs = await page.$$('input');
      console.log(`  找到 ${allInputs.length} 个输入框`);
      if (allInputs.length > 0) {
        phoneInput = allInputs[0];
      }
    }
    
    if (!phoneInput) {
      throw new Error('未找到输入框');
    }
    
    console.log(`✅ 找到输入框: ${usedSelector}`);
    
    // 清空并输入手机号
    await phoneInput.click({ clickCount: 3 }); // 全选
    await phoneInput.type(PHONE, { delay: 50 });
    console.log(`✅ 手机号已输入: ${PHONE}`);
    
    await page.screenshot({ path: `${SCREENSHOT_DIR}/03_phone_entered.png` });
    
    // 查找"获取验证码"按钮
    console.log('🔍 查找"获取验证码"按钮...');
    const codeBtnSelectors = [
      'a[action-type="get_code"]',
      'a[node-type="btn_code"]',
      '.W_btn_g',
      '.get_code',
      'a:has-text("获取")',
      'a:has-text("验证码")',
      'button:has-text("获取")',
      'button:has-text("验证码")',
    ];
    
    let codeBtn = null;
    for (const sel of codeBtnSelectors) {
      try {
        codeBtn = await page.$(sel);
        if (codeBtn) {
          const text = await page.evaluate(el => el.textContent, codeBtn);
          console.log(`  找到按钮: "${text?.trim()}" (${sel})`);
          break;
        }
      } catch (e) {}
    }
    
    // 如果没找到，尝试查找所有按钮/链接
    if (!codeBtn) {
      console.log('  尝试查找所有按钮...');
      const allBtns = await page.$$('a, button');
      for (const btn of allBtns) {
        const text = await page.evaluate(el => el.textContent, btn);
        if (text && (text.includes('获取') || text.includes('验证码') || text.includes('code'))) {
          console.log(`    候选: "${text.trim()}"`);
          if (!codeBtn && text.includes('获取')) {
            codeBtn = btn;
          }
        }
      }
    }
    
    if (codeBtn) {
      const btnText = await page.evaluate(el => el.textContent, codeBtn);
      console.log(`\n🖱️ 点击按钮: "${btnText?.trim()}"`);
      await codeBtn.click();
      console.log('✅ 已点击"获取验证码"');
      
      // 等待几秒钟，让短信发送
      await delay(5000);
      await page.screenshot({ path: `${SCREENSHOT_DIR}/04_code_requested.png` });
      
      // 检查是否有提示信息
      const tips = await page.$$eval('.W_layer, .W_tips, .tip, .error, .info', els => 
        els.map(el => el.textContent?.trim()).filter(Boolean)
      );
      if (tips.length > 0) {
        console.log('\n💬 页面提示:', tips.slice(0, 3));
      }
      
    } else {
      console.log('⚠️ 未找到验证码按钮，请查看截图手动确认');
    }
    
    // 保存当前页面HTML用于分析
    const html = await page.content();
    fs.writeFileSync(`${SCREENSHOT_DIR}/page.html`, html);
    
    console.log('\n' + '='.repeat(60));
    console.log('📋 步骤1完成，当前状态:');
    console.log(`  手机号: ${PHONE}`);
    console.log(`  验证码: ⏳ 等待发送...`);
    console.log('\n📸 截图文件:');
    fs.readdirSync(SCREENSHOT_DIR).forEach(f => {
      console.log(`  - ${SCREENSHOT_DIR}/${f}`);
    });
    console.log('\n📱 请检查手机，收到验证码后告诉我');
    console.log('格式: 验证码 123456');
    console.log('='.repeat(60));
    
    // 保存浏览器状态，等待下一步
    await page.screenshot({ path: `${SCREENSHOT_DIR}/05_waiting_code.png` });
    
    // 保持浏览器实例供后续使用（通过文件记录WSEndpoint）
    const wsEndpoint = browser.wsEndpoint();
    fs.writeFileSync(`${SCREENSHOT_DIR}/browser_ws.txt`, wsEndpoint);
    console.log('\n⏳ 浏览器保持连接，等待下一步...');
    
    // 保持运行
    await new Promise(() => {});
    
  } catch (error) {
    console.error('❌ 操作失败:', error.message);
    await browser.close();
    process.exit(1);
  }
}

weiboLoginStep1().catch(console.error);