#!/usr/bin/env bash
set -euo pipefail

repo_root=$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)
dither_dir="${repo_root}/bin/dither"
cache_dir="${DITHER_CACHE_DIR:-${repo_root}/.cache/dither}"

mkdir -p "${cache_dir}"

pushd "${dither_dir}" >/dev/null
bundle install
ROOT="${repo_root}/content" KEY="${repo_root}/secret.key" DITHER_CACHE_DIR="${cache_dir}" bundle exec rackup -p 4567 &
dither_pid=$!
popd >/dev/null

cleanup() {
	if kill -0 "${dither_pid}" 2>/dev/null; then
		kill "${dither_pid}" 2>/dev/null || true
		wait "${dither_pid}" 2>/dev/null || true
	fi
}
trap cleanup EXIT INT TERM

for _ in {1..50}; do
	if (echo >/dev/tcp/localhost/4567) >/dev/null 2>&1; then
		ready=1
		break
	fi
	sleep 0.1
done

if [[ "${ready:-0}" -ne 1 ]]; then
	echo "dither server did not start on port 4567" >&2
	exit 1
fi

pushd "${repo_root}" >/dev/null
rm -rf public
HUGO_PARAMS_GIT_COMMIT="$(git rev-parse HEAD)" \
	DITHER_SERVER=http://localhost:4567 \
	hugo --minify
find public -name "*.enc" -type f -delete
find public/elsewhere -name "*.gmi" -type f -delete
popd >/dev/null