#!/bin/dash

# Data Path   : /srv/data
# Docker Path : /var/lib/docker

GITEA_INSTANCE_URL=""
GITEA_INSTANCE_URL=$(whiptail --title "GITEA_INSTANCE_URL" --inputbox "" 0 30 "${GITEA_INSTANCE_URL}" 3>&1 1>&2 2>&3)
GITEA_RUNNER_REGISTRATION_TOKEN=""
GITEA_RUNNER_REGISTRATION_TOKEN=$(whiptail --title "GITEA_RUNNER_REGISTRATION_TOKEN" --inputbox "" 0 30 "${GITEA_RUNNER_REGISTRATION_TOKEN}" 3>&1 1>&2 2>&3)
IMAGES=""

if [ "${GITEA_INSTANCE_URL}" = "" ] || [ "${GITEA_RUNNER_REGISTRATION_TOKEN}" = "" ]; then
	exit 1
fi

apk add docker docker-compose
rc-update add docker boot
service docker start

mkdir -p /srv/compose
mkdir -p /srv/data


SelectImages() {
	SEL=$(whiptail --title "Images" --checklist "" 0 0 0 \
		"alpine" "" on \
		"debian-bookworm" "" on \
		"debian-bookworm-slim" "" on \
		"debian-bullseye" "" on \
		"debian-bullseye-slim" "" on \
		"debian-buster" "" on \
		"debian-buster-slim" "" on \
		"node-16-bullseye" "" on \
		"node-18-bookworm" "" on \
		"node-20-bookworm" "" on \
		"archlinux" "" on \
		"archlinux-base-devel" "" on 3>&1 1>&2 2>&3)
	# shellcheck disable=SC2181
	if [ "${?}" = "0" ]; then
		for ITM in ${SEL}; do
			# shellcheck disable=SC3000-SC4000
			case ${ITM//\"/} in
				"alpine") IMAGES=${IMAGES}'"alpine:docker://alpine",';;
				"debian-bookworm") IMAGES=${IMAGES}'"debian-bookworm:docker://debian:bookworm",';;
				"debian-bookworm-slim") IMAGES=${IMAGES}'"debian-bookworm-slim:docker://debian:bookworm-slim",';;
				"debian-bullseye") IMAGES=${IMAGES}'"debian-bullseye:docker://debian:bullseye",';;
				"debian-bullseye-slim") IMAGES=${IMAGES}'"debian-bullseye-slim:docker://debian:bullseye-slim",';;
				"debian-buster") IMAGES=${IMAGES}'"debian-buster:docker://debian:buster",';;
				"debian-buster-slim") IMAGES=${IMAGES}'"debian-buster-slim:docker://debian:buster-slim",';;
				"node-16-bullseye") IMAGES=${IMAGES}'"node-16:docker://node:16-bullseye",';;
				"node-18-bookworm") IMAGES=${IMAGES}'"node-18:docker://node:18-bookworm",';;
				"node-20-bookworm") IMAGES=${IMAGES}'"node-20:docker://node:20-bookworm",';;
				"archlinux") IMAGES=${IMAGES}'"archlinux:docker://archlinux",';;
				"archlinux-base-devel") IMAGES=${IMAGES}'"archlinux-base-devel:docker://archlinux:base-devel",';;
			esac
		done
		# shellcheck disable=SC3057
		IMAGES=${IMAGES::-1}
	fi
}
SelectImages

{
	echo "runner:"
	echo "  insecure: true"
	echo "  labels: [${IMAGES}]"
} > /srv/data/config.yaml

{
	echo "services:"
	echo "  runner:"
	echo "    container_name: gitea-act_runner"
	echo "    image: gitea/act_runner:latest"
	echo "    restart: unless-stopped"
	echo "    volumes:"
	echo "      - /srv/data:/data"
	echo "      - /var/run/docker.sock:/var/run/docker.sock"
	echo "    environment:"
	echo "      - CONFIG_FILE=/data/config.yaml"
	echo "      - GITEA_INSTANCE_URL=${GITEA_INSTANCE_URL}"
	echo "      - GITEA_RUNNER_REGISTRATION_TOKEN=${GITEA_RUNNER_REGISTRATION_TOKEN}"
} > /srv/compose/compose.yaml

cd /srv/compose || exit 1
docker-compose up -d