#!/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 "${dither_dir}" >/dev/null
ROOT="${repo_root}/content" KEY="${repo_root}/secret.key" DITHER_CACHE_DIR="${cache_dir}" bundle exec ruby dither.rb &
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

# Wait until the dither server is listening instead of guessing with sleep.
for _ in {1..50}; do
	if (echo >/dev/tcp/localhost/4567) >/dev/null 2>&1; then
		break
	fi
	sleep 0.1
done

DITHER_SERVER=http://localhost:4567 hugo server