/**
 * ═══════════════════════════════════════════════════
 * 铸渊远程部署 · 第二阶段：安装Chrome + 上传源码 + 启动服务
 * ═══════════════════════════════════════════════════
 */

const SERVERS = {
  sg: { name: '新加坡·铸渊大脑', ip: '43.156.237.110', port: 3911, key: 'zy_gtw_74d30f54fa8b5581514569ee7874def57861a31ccb2be8c9' },
  gz: { name: '广州·代码仓库',   ip: '43.139.217.141', port: 3910, key: 'zy_gtw_4a155446b7acc09fe46a2a29972c0ca5d9954da19c35dc23' },
}

const LOCAL_BASE = '/workspace/guanghulab/image-studio'

import { readFileSync } from 'fs'

async function callGatekeeper(server, method, path, body = null) {
  const url = `http://${server.ip}:${server.port}${path}`
  const opts = {
    method,
    headers: {
      'Authorization': `Bearer ${server.key}`,
      'Content-Type': 'application/json',
    },
  }
  if (body) opts.body = JSON.stringify(body)

  const res = await fetch(url, opts)
  const text = await res.text()
  let data
  try { data = JSON.parse(text) } catch { data = { raw: text } }
  return { status: res.status, data }
}

async function exec(server, cmd) {
  console.log(`  → ${cmd.slice(0, 100)}`)
  const result = await callGatekeeper(server, 'POST', '/exec', { cmd })
  if (result.status !== 200) {
    console.log(`  ❌ [${result.status}] ${JSON.stringify(result.data).slice(0, 200)}`)
  } else {
    const out = (result.data.stdout || '').trim()
    const err = (result.data.stderr || '').trim()
    if (out) console.log(`  ${out.split('\n').slice(0, 8).join('\n  ')}`)
    if (err) console.log(`  ⚠️ ${err.split('\n').slice(0, 4).join('\n  ')}`)
  }
  return result
}

async function writeFile(server, remotePath, localPath) {
  const content = readFileSync(localPath, 'utf-8')
  const result = await callGatekeeper(server, 'POST', '/file/write', { path: remotePath, content })
  if (result.status === 200) {
    console.log(`  ✅ ${remotePath} (${content.length} 字节)`)
  } else {
    console.log(`  ❌ ${remotePath}: ${JSON.stringify(result.data)}`)
  }
  return result
}

async function main() {
  const sg = SERVERS.sg
  const gz = SERVERS.gz

  // ======= 1. 在新加坡服务器安装Chrome =======
  console.log('═'.repeat(50))
  console.log('📦 1. 在新加坡服务器安装Chrome')
  console.log('═'.repeat(50))

  // 检查系统版本，安装Chromium
  await exec(sg, 'cat /etc/os-release | head -3')
  
  // 安装Chromium（Ubuntu仓库中有chromium-browser）
  console.log('\n  安装Chromium...')
  await exec(sg, 'apt-get install -y -qq chromium-browser 2>&1 | tail -5')
  
  // 验证安装
  await exec(sg, 'which chromium-browser && chromium-browser --version || echo "not found"')
  
  // 如果没有chromium-browser，试试用npx puppeteer安装
  await exec(sg, 'which chromium-browser || (cd /data/image-studio && npx puppeteer browsers install chrome 2>&1 | tail -5)')

  // ======= 2. 上传源代码文件 =======
  console.log('\n' + '═'.repeat(50))
  console.log('📤 2. 上传源代码到新加坡服务器')
  console.log('═'.repeat(50))

  const files = [
    ['config.js', '/data/image-studio/config.js'],
    ['renderer.js', '/data/image-studio/renderer.js'],
    ['generate.js', '/data/image-studio/generate.js'],
    ['server.js', '/data/image-studio/server.js'],
    ['templates/xiaohongshu.js', '/data/image-studio/templates/xiaohongshu.js'],
    ['templates/jike.js', '/data/image-studio/templates/jike.js'],
    ['templates/poster.js', '/data/image-studio/templates/poster.js'],
    ['templates/dynamic.js', '/data/image-studio/templates/dynamic.js'],
    ['deploy/setup.sh', '/data/image-studio/deploy/setup.sh'],
  ]

  for (const [local, remote] of files) {
    await writeFile(sg, remote, `${LOCAL_BASE}/${local}`)
  }

  // 更新package.json添加type:module
  await exec(sg, `cd /data/image-studio && npm pkg set type="module"`)

  // ======= 3. 启动服务 =======
  console.log('\n' + '═'.repeat(50))
  console.log('🚀 3. 启动图片工作室服务')
  console.log('═'.repeat(50))

  // 先用node直接启动测试是否能正常运行
  await exec(sg, 'cd /data/image-studio && timeout 5 node server.js 2>&1 || true')
  
  // 用PM2启动（后台运行）
  await exec(sg, 'pm2 delete image-studio 2>/dev/null; cd /data/image-studio && pm2 start server.js --name image-studio -o /data/image-studio/output.log -e /data/image-studio/error.log')
  await exec(sg, 'sleep 2 && pm2 list')
  
  // 验证服务是否运行
  await exec(sg, 'curl -s http://localhost:3912/ | head -5 || echo "服务未启动"')
  await exec(sg, 'ss -tlnp | grep 3912')

  // ======= 4. 保存PM2配置 =======
  await exec(sg, 'pm2 save')

  // ======= 5. 检查广州Nginx配置 =======
  console.log('\n' + '═'.repeat(50))
  console.log('🌐 4. 检查广州Nginx配置')
  console.log('═'.repeat(50))

  // 读取Nginx配置
  const nginxResult = await callGatekeeper(gz, 'POST', '/file/read', { path: '/etc/nginx/nginx.conf' })
  if (nginxResult.status === 200) {
    console.log(nginxResult.data.content.slice(0, 1000))
  } else {
    // 试试conf.d
    const confResult = await callGatekeeper(gz, 'POST', '/exec', { cmd: 'ls /etc/nginx/sites-enabled/ /etc/nginx/conf.d/ 2>&1' })
    if (confResult.status === 200) {
      console.log('Nginx配置目录:', confResult.data.stdout || confResult.data.stderr)
    }
  }
  
  console.log('\n' + '═'.repeat(50))
  console.log('✅ 部署流程完成！')
  console.log('═'.repeat(50))
}

main().catch(err => {
  console.error('❌ 失败:', err.message)
  process.exit(1)
})