#!/usr/bin/env bash
# ------------------------------------------------------------------
#  AdGuard Home
#  Source:       https://server-installer.de/scripts/adguard-home
#  Version:      v1.0.2
#  Last updated: 2026-08-27
#  Target OS:    Debian 11, Debian 12, Ubuntu 22.04, Ubuntu 24.04
# ------------------------------------------------------------------
set -euo pipefail

log() { printf '\033[36m==>\033[0m %s\n' "$*"; }

if [[ $EUID -ne 0 ]]; then
  echo "Please run as root (sudo)." >&2
  exit 1
fi

log "Running the official AdGuard Home installer"
apt-get update -qq
apt-get install -y -qq curl
curl -fsSL https://raw.githubusercontent.com/AdguardTeam/AdGuardHome/master/scripts/install.sh \
  | sh -s -- -v

if systemctl is-active --quiet systemd-resolved; then
  log "Freeing port 53 from systemd-resolved"
  mkdir -p /etc/systemd/resolved.conf.d
  printf '[Resolve]\nDNSStubListener=no\n' > /etc/systemd/resolved.conf.d/adguardhome.conf
  systemctl restart systemd-resolved
fi

log "Finish setup at http://$(hostname -I | awk '{print $1}'):3000"

log "Done."