#!/bin/bash
# 设备状态总检查。写成文件是因为 PowerShell 会吃掉 shell 的 $ 变量。
set -u

echo "===== 三个服务 ====="
for s in lanremote-relay lanremote-tunnel cf-login; do
    state=$(systemctl is-active "$s.service" 2>/dev/null)
    restarts=$(systemctl show "$s.service" -p NRestarts 2>/dev/null | cut -d= -f2)
    printf "  %-20s %-10s 重启 %s 次\n" "$s" "$state" "$restarts"
done

echo
echo "===== 中转健康 ====="
curl -s --max-time 8 http://127.0.0.1:8080/v1/health
echo
echo

echo "===== 隧道进程（应该只有 1 个）====="
pgrep -a -f 'cloudflared tunnel' | while read -r pid rest; do
    printf "  PID %-6s %s\n" "$pid" "$rest"
done
COUNT=$(pgrep -c -f 'cloudflared tunnel' 2>/dev/null || echo 0)
echo "  合计 $COUNT 个"

echo
echo "===== 内存 / 磁盘 ====="
free -m | awk 'NR==1 {print "  " $0} NR==2 {printf "  已用 %s MB   可用 %s MB\n", $3, $7}'
df -h / | awk 'NR==2 {printf "  磁盘可用 %s  (%s)\n", $4, $5}'

echo
echo "===== 隧道地址 ====="
cat /root/lanremote-relay/public_url.txt 2>/dev/null || echo "  (还没有)"

echo
echo "===== cf-login 状态 ====="
systemctl status cf-login.service --no-pager 2>/dev/null | grep -E '^\s+Active'

echo
echo "===== cert.pem ====="
if [ -f /root/.cloudflared/cert.pem ]; then
    echo "  ✓ 已授权"
else
    echo "  ✗ 还没授权"
fi