#!/usr/bin/bash
#
# ups/status.sh — query NUT UPS state + service health (read-only)
#
# Usage (run ON the target host via remote.sh):
#   PROX_HOST=pfv-tsys1 bash tests/remote.sh prox-file ups/status.sh
#
# shellcheck disable=SC2012 # ss/awk field extraction is intentional
set -uo pipefail

APC_NAME="${APC_NAME:-apc-smartups-c1500}"
TRIPP_NAME="${TRIPP_NAME:-tripp-lite-ups}"

echo "======================================================"
echo "  NUT UPS Status on $(hostname)"
echo "======================================================"

echo ""
echo "--- Services ---"
for svc in "nut-driver@${APC_NAME}" "nut-driver@${TRIPP_NAME}" nut-server nut-monitor; do
  if systemctl list-unit-files "$svc" >/dev/null 2>&1; then
    printf "  %-42s " "$svc"
    systemctl is-active "$svc" 2>/dev/null || echo "(unknown)"
  fi
done

for ups in "$APC_NAME" "$TRIPP_NAME"; do
  echo ""
  echo "--- ${ups} ---"
  if upsc "${ups}@localhost" >/tmp/.nutstatus.$$ 2>&1; then
    awk -v u="$ups" '
      BEGIN{printf "  %s\n", u}
      /^battery\.charge:/      {printf "    battery.charge:      %s\n", $3}
      /^battery\.runtime:/     {printf "    battery.runtime:     %ss (%.0f min)\n", $3, $3/60}
      /^battery\.voltage:/     {printf "    battery.voltage:     %s\n", $3}
      /^ups\.status:/          {printf "    ups.status:          %s\n", $3}
      /^ups\.load:/            {printf "    ups.load:            %s%%\n", $3}
      /^ups\.power:/           {printf "    ups.power:           %s\n", $3}
      /^ups\.realpower:/       {printf "    ups.realpower:       %s W\n", $3}
      /^input\.voltage:/       {printf "    input.voltage:       %s\n", $3}
      /^output\.voltage:/      {printf "    output.voltage:      %s\n", $3}
      /^ups\.model:/           {printf "    ups.model:           %s\n", $3}
      /^ups\.serial:/          {printf "    ups.serial:          %s\n", $3}
      /^device\.mfr:/          {printf "    device.mfr:          %s\n", $3}
    ' /tmp/.nutstatus.$$
    echo "    (full dump: upsc ${ups}@localhost)"
  else
    echo "  NOT RESPONDING:"
    sed 's/^/    /' /tmp/.nutstatus.$$
  fi
  rm -f /tmp/.nutstatus.$$
done

echo ""
echo "--- upsd LISTEN sockets ---"
ss -ltnp 2>/dev/null | grep -E "3493|nut" | sed 's/^/  /' || echo "  (upsd not listening on 3493)"

echo ""
echo "======================================================"