#!/usr/bin/env python3
"""通过CMD Agent修复新服务器环境：安装Node.js"""
import json
import urllib.request

NEW_SERVER = "172.30.18.199"
API_KEY = "xiaoxia-cmd-agent-2026"
GITEA_TOKEN = "1f8058d097e3942a9ed31c44382baf7f08311272"
GITEA_API = "https://git.xiaoxiajianji.com/api/v1"
REPO = "xiaoxia/xiaoxia-saas"
BRANCH = "ops/downgrade-runners"

def cmd(cmd_str, timeout=120):
    url = f"http://{NEW_SERVER}:5927/cmd"
    data = json.dumps({"cmd": cmd_str, "timeout": timeout}).encode()
    req = urllib.request.Request(url, data=data, method="POST")
    req.add_header("Content-Type", "application/json")
    req.add_header("X-API-Key", API_KEY)
    try:
        with urllib.request.urlopen(req, timeout=timeout+10) as resp:
            result = json.loads(resp.read().decode())
            return result.get("returncode", -1), result.get("stdout", ""), result.get("stderr", "")
    except Exception as e:
        return -1, "", str(e)

# 先检查Node是否已装
rc, out, err = cmd("which node && node --version 2>&1 || echo NOT_INSTALLED")
if "v20" in out:
    print("Node.js 20 已经装好了:", out.strip())
else:
    print("Node.js 未安装，开始安装...")
    print("=" * 50)
    print("步骤1: 下载Node.js 20二进制")
    print("=" * 50)
    rc, out, err = cmd("""
cd /tmp && curl -fsSL https://nodejs.org/dist/v20.15.0/node-v20.15.0-linux-x64.tar.xz -o node.tar.xz 2>&1 | tail -2
ls -lh /tmp/node.tar.xz 2>&1
""", timeout=120)
    print(f"下载 RC={rc}")
    print(out[:400])

    print("\n步骤2: 解压安装")
    rc, out, err = cmd("""
cd /tmp && tar -xf node.tar.xz && rm -rf /usr/local/node && mv node-v20.15.0-linux-x64 /usr/local/node
ln -sf /usr/local/node/bin/node /usr/local/bin/node
ln -sf /usr/local/node/bin/npm /usr/local/bin/npm
ln -sf /usr/local/node/bin/npx /usr/local/bin/npx
node --version && npm --version
which node
""", timeout=60)
    print(f"安装 RC={rc}")
    print(out[:300])

print("\n" + "=" * 50)
print("步骤3: 最终验证")
print("=" * 50)
rc, out, err = cmd("node -e 'console.log(\"OK: \" + process.version)' 2>&1 && npm -v 2>&1")
print(out.strip())

print("\n" + "=" * 50)
print("步骤4: 重启6个Runner服务让环境生效")
print("=" * 50)
rc, out, err = cmd("""
for i in 1 2 3 4 5 6; do
  systemctl restart act-runner-$i.service 2>&1
  echo "act-runner-$i restarted"
done
sleep 3
systemctl list-units 'act-runner-*' --no-legend | head -10
""", timeout=60)
print(out[:400])

print("\n全部完成!")