#!/bin/bash
# Provision the NPM LXC — dual-homed (LAN + internal bridge)
# Usage: ./provision-npm.sh <lxc-id> <lan-ip> <lan-gateway>
# Example: ./provision-npm.sh 103 10.4.0.50 10.4.0.1
set -e

LXC_ID=$1
LAN_IP=$2
LAN_GW=$3

if [ -z "$LXC_ID" ] || [ -z "$LAN_IP" ] || [ -z "$LAN_GW" ]; then
  echo "Usage: $0 <lxc-id> <lan-ip> <lan-gateway>"
  exit 1
fi

echo "==> Creating NPM LXC $LXC_ID (dual-homed)"

pct create "$LXC_ID" local:vztmpl/ubuntu-22.04-standard_22.04-1_amd64.tar.zst \
  --hostname "hnf-npm" \
  --memory 512 \
  --cores 1 \
  --rootfs local-lvm:8 \
  --net0 name=eth0,bridge=vmbr0,ip="${LAN_IP}/22",gw="${LAN_GW}" \
  --net1 name=eth1,bridge=vmbr1,ip="10.10.10.2/24" \
  --features nesting=1 \
  --unprivileged 0 \
  --start 1

sleep 5

pct exec "$LXC_ID" -- bash -c "
  apt-get update -qq
  apt-get install -y -qq ca-certificates curl gnupg
  install -m 0755 -d /etc/apt/keyrings
  curl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg
  echo 'deb [arch=amd64 signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu jammy stable' \
    > /etc/apt/sources.list.d/docker.list
  apt-get update -qq
  apt-get install -y -qq docker-ce docker-ce-cli containerd.io docker-compose-plugin
  systemctl enable docker
"

echo ""
echo "==> NPM LXC ready"
echo "    LAN:      $LAN_IP (vmbr0)"
echo "    Internal: 10.10.10.2 (vmbr1)"
echo "    Next: deploy Nginx Proxy Manager via docker compose"
echo "    NPM admin UI will be at http://$LAN_IP:81"