#!/usr/bin/bash
#
# console/discover.sh — READ-ONLY discovery of console setup on pfv-tsys4
#
# Usage: PROX_HOST=pfv-tsys4 bash tests/remote.sh prox-file console/discover.sh
#
# This script is strictly read-only. No writes to the system.
#
set -uo pipefail

echo "============================================"
echo "  Console Setup Discovery"
echo "  Host: $(hostname)"
echo "  Date: $(date)"
echo "  READ-ONLY"
echo "============================================"

echo ""
echo "=== 1. USB devices ==="
lsusb 2>/dev/null || echo "(lsusb not available)"

echo ""
echo "=== 2. All ttyUSB* devices (with major/minor) ==="
ls -la /dev/ttyUSB* 2>/dev/null || echo "(no /dev/ttyUSB* devices)"

echo ""
echo "=== 3. USB-serial driver bindings ==="
echo "-- pl2303 --"
ls -la /sys/bus/usb-serial/drivers/pl2303/ 2>/dev/null | grep -v '^total\|^d\|module\|new_id\|uevent' || echo "(none)"
echo "-- cp210x --"
ls -la /sys/bus/usb-serial/drivers/cp210x/ 2>/dev/null | grep -v '^total\|^d\|module\|new_id\|uevent' || echo "(none)"
echo "-- ftdi_sio --"
ls -la /sys/bus/usb-serial/drivers/ftdi_sio/ 2>/dev/null | grep -v '^total\|^d\|module\|new_id\|uevent' || echo "(none)"
echo "-- ch341 --"
ls -la /sys/bus/usb-serial/drivers/ch341/ 2>/dev/null | grep -v '^total\|^d\|module\|new_id\|uevent' || echo "(none)"

echo ""
echo "=== 4. USB serial adapter details (vendor/model/serial per port) ==="
for tty in /dev/ttyUSB*; do
  [ -e "$tty" ] || continue
  echo "--- $tty ---"
  udevadm info -q all -n "$tty" 2>/dev/null | grep -E 'ID_VENDOR_ID|ID_MODEL_ID|ID_SERIAL|ID_USB_DRIVER|ID_PATH=' | sed 's/^/  /'
done

echo ""
echo "=== 5. Existing /root/conmap ==="
if [ -f /root/conmap ]; then
  cat /root/conmap
else
  echo "(no /root/conmap)"
fi
ls -la /root/conmap* 2>/dev/null

echo ""
echo "=== 6. Screen sessions (running) ==="
screen -ls 2>&1 || echo "(screen not running or not installed)"

echo ""
echo "=== 7. Existing screen wrappers/scripts in /root ==="
ls -la /root/ 2>/dev/null | grep -iE 'screen|con|console|tty|usb' || echo "(no obvious console scripts in /root)"

echo ""
echo "=== 8. ser2net ==="
which ser2net 2>/dev/null || echo "(ser2net not installed)"
dpkg -l ser2net 2>/dev/null | tail -2 || echo "(ser2net not in dpkg)"
cat /etc/ser2net/ser2net.yaml 2>/dev/null || cat /etc/ser2net.conf 2>/dev/null || cat /etc/ser2net/ser2net.conf 2>/dev/null || echo "(no ser2net config)"
systemctl is-active ser2net 2>/dev/null || echo "(ser2net service not found)"

echo ""
echo "=== 9. conman ==="
which conman 2>/dev/null || echo "(conman not installed)"
which conmand 2>/dev/null || echo "(conmand not installed)"
dpkg -l conman 2>/dev/null | tail -2 || echo "(conman not in dpkg)"
echo "--- /etc/conman.conf (console lines only) ---"
grep -nE 'CONSOLE|SERVER|LOG|SERIAL|DEV|BAUD|^[^#].*name=' /etc/conman.conf 2>/dev/null | head -60 || echo "(no conman.conf or no console entries)"
echo "--- conmand service ---"
systemctl is-active conmand 2>/dev/null || echo "(conmand not running)"
systemctl is-enabled conmand 2>/dev/null || echo "(conmand not enabled)"

echo ""
echo "=== 10. Existing console logs ==="
ls -la /var/log/conman/ 2>/dev/null | head -20 || echo "(no /var/log/conman)"
ls -la /var/consoles/ 2>/dev/null | head -20 || echo "(no /var/consoles)"

echo ""
echo "=== 11. udev rules for ttyUSB ==="
grep -r ttyUSB /etc/udev/rules.d/ 2>/dev/null || echo "(no udev rules for ttyUSB)"
grep -r 'console' /etc/udev/rules.d/ 2>/dev/null | head -10 || true

echo ""
echo "=== 12. expect availability ==="
command -v expect && expect -v 2>&1 || echo "expect: NOT installed"
command -v socat && socat -V 2>&1 | head -1 || echo "socat: NOT installed"

echo ""
echo "=== 13. Ports in use (2001-2099, 7000-7999, 7820-7899) ==="
ss -tlnp 2>/dev/null | grep -E ':200[0-9]|:700[0-9]|:782[0-9]|:789[0-9]' || echo "(no relevant ports listening)"

echo ""
echo "============================================"
echo "  Discovery complete (read-only)."
echo "============================================"