#!/usr/bin/env node
/**
 * 使用 Playwright 从 clawhub.com 下载 agent-browser skill
 */

import { chromium } from 'playwright';
import fs from 'fs';
import path from 'path';

async function downloadAgentBrowser() {
  const browser = await chromium.launch({ headless: true });
  const context = await browser.newContext({
    userAgent: 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36'
  });
  const page = await context.newPage();

  try {
    // 首先访问 clawhub.com 的 agent-browser 页面
    const url = 'https://clawhub.com/skill/agent-browser';
    console.log(`🌐 正在访问: ${url}`);
    await page.goto(url, { waitUntil: 'domcontentloaded', timeout: 30000 });

    // 获取页面标题
    const title = await page.title();
    console.log(`📄 页面标题: ${title}`);

    // 获取页面内容
    const content = await page.content();
    const text = await page.evaluate(() => document.body.innerText);
    
    // 截图保存
    const screenshotPath = path.join(process.cwd(), 'clawhub-page.png');
    await page.screenshot({ path: screenshotPath, fullPage: true });
    console.log(`📸 页面截图已保存: ${screenshotPath}`);

    // 尝试查找下载链接或 git 仓库信息
    console.log('\n🔍 正在查找下载信息...');
    
    const pageData = await page.evaluate(() => {
      // 查找所有链接
      const links = Array.from(document.querySelectorAll('a')).map(a => ({
        text: a.textContent?.trim() || '',
        href: a.href
      }));
      
      // 查找代码块
      const codeBlocks = Array.from(document.querySelectorAll('pre, code')).map(el => ({
        text: el.textContent?.trim() || '',
        tag: el.tagName
      }));
      
      // 查找所有文本
      const allText = document.body.innerText;
      
      return { links, codeBlocks, allText };
    });

    // 保存页面数据到文件
    const dataPath = path.join(process.cwd(), 'clawhub-data.json');
    fs.writeFileSync(dataPath, JSON.stringify(pageData, null, 2));
    console.log(`📊 页面数据已保存: ${dataPath}`);

    // 分析查找有用的信息
    console.log('\n📋 发现的链接:');
    const gitLinks = pageData.links.filter(l => 
      l.href.includes('github.com') || 
      l.href.includes('gitlab.com') ||
      l.href.includes('git')
    );
    
    if (gitLinks.length > 0) {
      gitLinks.forEach(link => {
        console.log(`  - ${link.text}: ${link.href}`);
      });
    } else {
      console.log('  未找到 Git 仓库链接');
    }

    // 查找 install 命令
    console.log('\n🔧 查找安装命令:');
    const installCommands = pageData.codeBlocks.filter(cb => 
      cb.text.includes('clawhub install') || 
      cb.text.includes('git clone')
    );
    
    if (installCommands.length > 0) {
      installCommands.forEach(cmd => {
        console.log(`  ${cmd.text.substring(0, 200)}...`);
      });
    }

    // 尝试直接从页面查找 skill 的文件结构
    console.log('\n📁 尝试查找 skill 文件...');
    
    // 尝试访问可能的文件列表页面
    try {
      const filesUrl = 'https://clawhub.com/skill/agent-browser/files';
      console.log(`  尝试访问: ${filesUrl}`);
      await page.goto(filesUrl, { waitUntil: 'domcontentloaded', timeout: 15000 });
      
      const filesScreenshot = path.join(process.cwd(), 'clawhub-files.png');
      await page.screenshot({ path: filesScreenshot, fullPage: true });
      console.log(`  📸 文件页面截图: ${filesScreenshot}`);
      
      const filesContent = await page.content();
      const filesDataPath = path.join(process.cwd(), 'clawhub-files.html');
      fs.writeFileSync(filesDataPath, filesContent);
      console.log(`  📄 文件页面HTML: ${filesDataPath}`);
      
    } catch (err) {
      console.log(`  ⚠️  文件页面访问失败: ${err.message}`);
    }

    console.log('\n✅ 页面访问完成！');
    console.log(`📸 截图: ${screenshotPath}`);
    console.log(`📊 数据: ${dataPath}`);
    
    return {
      success: true,
      title,
      screenshotPath,
      dataPath
    };

  } catch (error) {
    console.error(`❌ 访问失败: ${error.message}`);
    return {
      success: false,
      error: error.message
    };
  } finally {
    await browser.close();
  }
}

// 运行
downloadAgentBrowser().then(result => {
  if (result.success) {
    console.log('\n🎉 任务完成！');
    process.exit(0);
  } else {
    console.log('\n❌ 任务失败');
    process.exit(1);
  }
}).catch(error => {
  console.error('Error:', error);
  process.exit(1);
});