#!/bin/bash
# 隧道挂了（Cloudflare Error 1033）—— 全套体检
set -u

echo "════════ 1. 服务状态 ════════"
for svc in lanremote-tunnel lanremote-relay lanremote-nettune; do
    printf "  %-22s %s\n" "$svc" "$(systemctl is-active $svc 2>&1)"
done

echo
echo "════════ 2. cloudflared 进程 ════════"
ps aux 2>/dev/null | grep '[c]loudflared' | head -3 | sed 's/^/  /'
echo "  进程数: $(ps aux 2>/dev/null | grep -c '[c]loudflared')"

echo
echo "════════ 3. 隧道 unit 的当前配置 ════════"
grep -E 'ExecStart|Restart' /etc/systemd/system/lanremote-tunnel.service 2>/dev/null | sed 's/^/  /'

echo
echo "════════ 4. 最近的隧道日志（关键行）════════"
tail -60 /root/lanremote-relay/tunnel.log 2>/dev/null \
    | grep -E 'ERR|WRN|Registered|Initial protocol|error|failed|timeout' \
    | tail -14 | sed 's/^/  /'

echo
echo "════════ 5. 日志最后 8 行（不分类型）════════"
tail -8 /root/lanremote-relay/tunnel.log 2>/dev/null | sed 's/^/  /'

echo
echo "════════ 6. /etc/hosts 有没有被我改坏 ════════"
echo "  argotunnel 条目数: $(grep -c argotunnel /etc/hosts 2>/dev/null || echo 0)"
echo "  hosts 总行数: $(wc -l < /etc/hosts)"
echo "  hosts 内容:"
cat /etc/hosts | sed 's/^/    /'

echo
echo "════════ 7. 隧道凭证文件还在吗 ════════"
ls -la /root/.cloudflared/ 2>/dev/null | sed 's/^/  /'

echo
echo "════════ 8. 本机 relay 还活着吗 ════════"
curl -s -o /dev/null -w '  relay 本机 HTTP %{http_code}\n' --max-time 8 http://127.0.0.1:8080/v1/health

echo
echo "════════ 9. 拨测公网 ════════"
curl -s -o /dev/null -w '  公网 HTTP %{http_code}\n' --max-time 25 \
    -H 'User-Agent: LanRemote/1.4.0' https://relay.xxmxxs.top/v1/health

echo
echo "════════ 10. cloudflared 版本和 metrics ════════"
cloudflared --version 2>&1 | sed 's/^/  /'
curl -s --max-time 5 http://127.0.0.1:20241/metrics 2>/dev/null \
    | grep -E '^cloudflared_tunnel_(ha_connections|request_errors|total_requests)' | sed 's/^/  /'