#!/usr/bin/env bash
# Probe conman state + expect availability on pfv-tsys4.
# Read-only. Decides whether we drive via conman+expect or expect-only.
set -u

# De-conflict: any ssh to pfv-tsys4 right now?
echo "===== LOCAL ssh activity ====="
ps -eo pid,etime,args | grep -E 'ssh.*pfv-tsys' | grep -v grep || echo "(none to pfv-tsys4)"

echo
echo "===== pfv-tsys4: conman + expect state ====="
ssh -o BatchMode=yes -o ConnectTimeout=5 root@pfv-tsys4 'bash -s' <<'REMOTE'
echo "--- conmand service ---"
systemctl is-active conmand 2>&1 || true
systemctl is-enabled conmand 2>&1 || true
systemctl status conmand --no-pager 2>&1 | head -15 || true

echo
echo "--- conman binary ---"
command -v conman && conman --version 2>&1 | head -2 || echo "conman: MISSING"
command -v conmand && echo "conmand present" || echo "conmand: MISSING"

echo
echo "--- /etc/conman.conf: ttyUSB2 entries ---"
grep -nE "ttyUSB2|core-sw|CONSOLE|LOG|SERIAL|BAUD" /etc/conman.conf 2>/dev/null | head -40 || echo "(no matches / no file)"

echo
echo "--- conman log dir ---"
ls -la /var/log/conman/ 2>&1 | head -20 || echo "(no /var/log/conman)"
ls -la /var/consoles/ 2>&1 | head -20 || echo "(no /var/consoles)"

echo
echo "--- expect availability ---"
command -v expect && expect -v 2>&1 || echo "expect: NOT installed"
echo "apt-cache policy expect:"
apt-cache policy expect 2>/dev/null | head -10 || echo "(apt-cache failed)"

echo
echo "--- other useful drivers ---"
for t in tclsh socat cu tip; do
    command -v "$t" 2>/dev/null && echo "  $t: present" || true
done

echo
echo "--- apt network reachability (quick) ---"
timeout 5 bash -c 'echo > /dev/tcp/deb.debian.org/80' 2>&1 && echo "apt network: OK" || echo "apt network: UNREACHABLE"

echo
echo "--- disk space for log ---"
df -h /root 2>&1 | tail -2

echo
echo "--- screen sessions (still 3?) ---"
screen -ls 2>&1 || true
REMOTE