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

function stringify_dir {
	tar -c "$1" | xz -z9evc 2>/dev/null | base64 | tr -d '\n' | sed 's/$/\n/'
}

pushd ~ >/dev/null
	BACKUP=""
	GOG_CONF_DIR=".config/lgogdownloader"
	if [ -d ${GOG_CONF_DIR} ]; then
		BACKUP=$(stringify_dir "${GOG_CONF_DIR}")
	fi
	rm -rf "${GOG_CONF_DIR}"
	lgogdownloader --login
	OUTPUT=$(stringify_dir "${GOG_CONF_DIR}")
	rm -rf "${GOG_CONF_DIR}"
	if [ "${BACKUP}" != "" ]; then
		echo "${BACKUP}" | base64 -d | tar -Jxf - -C ~
	fi
popd >/dev/null

echo "Your GOG_CONFIG:"
echo "${OUTPUT}"