#!/usr/bin/env bash
# Fix NPMplus (VMID 10233) network: restore the correct LAN gateway and preserve the
# documented dual-address layout when present (.166 for admin, .167 for UDM Pro/public ingress).
# Run on Proxmox host r630-01 or: ssh root@192.168.11.11 'bash -s' < scripts/npmplus/fix-npmplus-ip-and-gateway.sh

set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]:-$0}")" && pwd)"
PROJECT_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"
[ -f "${PROJECT_ROOT}/config/ip-addresses.conf" ] && source "${PROJECT_ROOT}/config/ip-addresses.conf" 2>/dev/null || true

VMID="${NPMPLUS_VMID:-10233}"
NPM_IP_ETH0="${IP_NPMPLUS_ETH0:-192.168.11.166}"
NPM_IP="${IP_NPMPLUS:-192.168.11.167}"
GATEWAY="${NETWORK_GATEWAY:-192.168.11.1}"

if ! command -v pct &>/dev/null; then
  echo "Run this script on the Proxmox host (e.g. ssh root@192.168.11.11)"
  exit 1
fi

CURRENT_CFG="$(pct config "$VMID" 2>/dev/null || true)"
HAS_NET1=0
if grep -q '^net1:' <<<"$CURRENT_CFG"; then
  HAS_NET1=1
fi

echo "NPMplus VMID $VMID: restore gateway=$GATEWAY and start"
if [[ "$HAS_NET1" == "1" ]]; then
  echo "Preserving dual-interface layout: eth0=${NPM_IP_ETH0}, eth1=${NPM_IP}"
  pct set "$VMID" -net0 "name=eth0,bridge=vmbr0,ip=${NPM_IP_ETH0}/24"
  pct set "$VMID" -net1 "name=eth1,bridge=vmbr0,ip=${NPM_IP}/24,gw=${GATEWAY}"
else
  echo "Single-interface layout detected: eth0=${NPM_IP}"
  pct set "$VMID" -net0 "name=eth0,bridge=vmbr0,ip=${NPM_IP}/24,gw=${GATEWAY}"
fi
pct stop "$VMID" 2>/dev/null || true
sleep 2
pct start "$VMID"
echo "Started. Wait ~30s then run verify-npmplus-running-and-network.sh"