/**
 * ═══════════════════════════════════════════════════
 * 铸渊远程部署 · 通过看门人API部署图片工作室
 * ═══════════════════════════════════════════════════
 *
 * 冰朔，我不需要SSH密钥。
 * 铸渊看门人就是我的手。
 */

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' },
}

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(`  → ${server.name}: ${cmd.slice(0, 80)}...`)
  const result = await callGatekeeper(server, 'POST', '/exec', { cmd })
  if (result.status !== 200) {
    console.log(`  ❌ [${result.status}] ${JSON.stringify(result.data)}`)
  } else {
    const out = (result.data.stdout || '').trim()
    const err = (result.data.stderr || '').trim()
    if (out) console.log(`  stdout: ${out.slice(0, 300)}`)
    if (err) console.log(`  stderr: ${err.slice(0, 300)}`)
  }
  return result
}

async function writeFile(server, filepath, content) {
  console.log(`  → ${server.name}: 写入 ${filepath}`)
  return callGatekeeper(server, 'POST', '/file/write', { path: filepath, content })
}

async function readFile(server, filepath) {
  const result = await callGatekeeper(server, 'POST', '/file/read', { path: filepath })
  if (result.status === 200) return result.data.content || ''
  return null
}

async function checkStatus(server) {
  console.log(`\n📡 测试连接 ${server.name} (${server.ip}:${server.port})...`)
  const result = await callGatekeeper(server, 'POST', '/status')
  if (result.status === 200) {
    console.log(`  ✅ 连接成功!`)
    console.log(`  状态: ${JSON.stringify(result.data, null, 2).slice(0, 400)}`)
    return true
  } else {
    console.log(`  ❌ 连接失败: ${result.status} ${JSON.stringify(result.data)}`)
    return false
  }
}

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

  /* ═══ 第一步：测试连接 ═══ */
  console.log('═'.repeat(50))
  console.log('🔌 铸渊远程部署 · 检查服务器连接')
  console.log('═'.repeat(50))

  const sgOk = await checkStatus(sg)
  if (!sgOk) {
    console.log('\n⚠️  新加坡服务器连接失败，尝试广州服务器直接反向代理方案...')
  }

  /* ═══ 第二步：在新加坡部署image-studio ═══ */
  if (sgOk) {
    console.log('\n📦 第二步：在新加坡服务器部署图片工作室')
    console.log('═'.repeat(50))

    // 检查Node.js
    await exec(sg, 'node --version')
    await exec(sg, 'which google-chrome || which chromium-browser || echo "no chrome"')

    // 创建目录
    await exec(sg, 'mkdir -p /data/image-studio/output /data/image-studio/templates /data/image-studio/deploy')

    // 安装系统依赖
    console.log('\n  📥 安装系统依赖...')
    await exec(sg, 'apt-get update -qq && apt-get install -y -qq google-chrome-stable libnss3 libnspr4 libatk1.0-0 libatk-bridge2.0-0 libcups2 libdrm2 libdbus-1-3 libxkbcommon0 libxcomposite1 libxdamage1 libxrandr2 libgbm1 libpango-1.0-0 libcairo2 libasound2 2>&1 | tail -5')

    // 安装Node依赖
    await exec(sg, 'cd /data/image-studio && npm init -y && npm install puppeteer express 2>&1 | tail -5')

    // 检查PM2
    await exec(sg, 'which pm2 || npm install -g pm2 2>&1 | tail -3')

    console.log('\n  ✅ 新加坡服务器基础环境就绪')
    console.log('  接下来需要通过 /file/write 上传源代码文件')
  }

  /* ═══ 第三步：配置广州Nginx代理 ═══ */
  console.log('\n🌐 第三步：检查广州服务器Nginx代理')
  console.log('═'.repeat(50))

  const gzOk = await checkStatus(gz)
  if (gzOk) {
    // 读取现有Nginx配置
    const nginxConf = await readFile(gz, '/etc/nginx/sites-enabled/default')
    if (nginxConf) {
      console.log('  已读取Nginx配置，长度:', nginxConf.length, '字符')
      console.log('  前200字符:', nginxConf.slice(0, 200))
    } else {
      console.log('  无法直接读取Nginx配置（权限问题），需要调整方案')
      // 尝试其他路径
      for (const p of ['/etc/nginx/conf.d/default.conf', '/etc/nginx/nginx.conf', '/data/nginx/conf.d/default.conf']) {
        const c = await readFile(gz, p)
        if (c) { console.log(`  ✅ 找到配置: ${p}`); break }
      }
    }
  }

  console.log('\n' + '═'.repeat(50))
  console.log('📋 部署检查完成')
  console.log('═'.repeat(50))
}

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