#!/usr/bin/env sh

set -o errexit
set -o nounset

ADGUARD_ADMIN_USERNAME=${ADGUARD_ADMIN_USERNAME:-admin}

mkdir -p /etc/adguard
touch /etc/adguard/config.yaml

if [ -f /etc/adguard/config.yaml.default ]; then
  cp /etc/adguard/config.yaml.default /etc/adguard/config.yaml
fi

password="$(htpasswd -B -C 10 -n -b "$ADGUARD_ADMIN_USERNAME" "$ADGUARD_ADMIN_PASSWORD" | cut -d ':' -f2-)"
yq eval -i ".users = [{\"name\": \"$ADGUARD_ADMIN_USERNAME\", \"password\": \"$password\"}]" /etc/adguard/config.yaml

LOG_PIPE="$(mktemp -u)"
mkfifo "$LOG_PIPE"

(
  while IFS= read -r line; do
    if echo "$line" | grep -qEi "\[(WARN|ERROR|FATAL)\]"; then
      echo "$line" >&2
    else
      echo "$line"
    fi
  done < "$LOG_PIPE"
) &

exec AdGuardHome \
  -c /etc/adguard/config.yaml \
  -w /var/lib/adguard \
  "$@" > "$LOG_PIPE" 2>&1