#!/usr/bin/env bash
set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
STACK_DIR="$(cd "$SCRIPT_DIR/.." && pwd)"
ENV_FILE="${ENV_FILE:-$STACK_DIR/.env}"
DO_UP="${1:-}"

if [[ ! -f "$ENV_FILE" ]]; then
  echo "Missing $ENV_FILE — copy .env.example to .env and fill in real values first." >&2
  exit 1
fi

set -a
# shellcheck disable=SC1090
source "$ENV_FILE"
set +a

mkdir -p \
  "$APPDATA_PIHOLE_ROOT/etc-pihole" \
  "$APPDATA_PIHOLE_ROOT/etc-dnsmasq.d" \
  "$APPDATA_UNBOUND_ROOT/var"
UNBOUND_TARGET="$APPDATA_UNBOUND_ROOT/unbound.conf"
UNBOUND_TMP="$APPDATA_UNBOUND_ROOT/.unbound.conf.tmp.$$"
cp "$STACK_DIR/unbound.conf" "$UNBOUND_TMP"
mv -f "$UNBOUND_TMP" "$UNBOUND_TARGET"
if [[ ! -s "$APPDATA_UNBOUND_ROOT/var/root.hints" ]]; then
  curl -fsSL -o "$APPDATA_UNBOUND_ROOT/var/root.hints" https://www.internic.net/domain/named.cache
fi
ENV_FILE="$ENV_FILE" python3 "$STACK_DIR/bin/render_keepalived_conf.py"
docker compose --env-file "$ENV_FILE" -f "$STACK_DIR/docker-compose.yaml" config >/dev/null
if [[ "$DO_UP" == "--up" ]]; then
  docker compose --env-file "$ENV_FILE" -f "$STACK_DIR/docker-compose.yaml" up -d
  docker compose --env-file "$ENV_FILE" -f "$STACK_DIR/docker-compose.yaml" ps
fi