#!/usr/bin/env bash

CONTAINER_OS=ubuntu
CONTAINER_VERSION=18.04
CONTAINER_NAME=$(basename `git rev-parse --show-toplevel`)

function container_sh {
	lxc exec ${CONTAINER_NAME} -- sh -c "${1}"
	return $?
}

function container_cmd {
	lxc exec ${CONTAINER_NAME} -- ${1}
	return $?
}

function container_snap_cmd {
	container_sh "cd ~/${CONTAINER_NAME} && ${1}"
	return $?
}

[[ ! -z $(which snap) ]] || sudo apt install snapd
[[ ! -z $(which lxd) ]] || sudo snap install lxd

container_sh "echo true" || (lxc launch ${CONTAINER_OS}:${CONTIANER_VERSION} ${CONTAINER_NAME} && sleep 5) || (lxd init && lxc launch ${CONTAINER_OS}:${CONTIANER_VERSION} ${CONTAINER_NAME} || sleep 5)

container_sh "apt update && apt upgrade -y && apt dist-upgrade -y"

if [ $? -ne 0 ]; then
	echo "Cannot create container ${CONTAINER_OS}:${CONTAINER_VERSION} for ${CONTAINER_NAME}"
	exit 1
fi

container_sh "snap list snapcraft"

if [ $? -ne 0 ]; then
	container_sh "snap install snapcraft --classic"
fi

container_sh "[ -d ~/${CONTAINER_NAME} ] && rm -rf ~/${CONTAINER_NAME}"

lxc file push ../${CONTAINER_NAME} ${CONTAINER_NAME}/root/ -r

container_snap_cmd "snapcraft  --destructive-mode"

if [ $? -eq 0 ]; then
	FILE=$(container_snap_cmd "ls | grep .snap --max-count=1")
	lxc file pull ${CONTAINER_NAME}/root/${CONTAINER_NAME}/${FILE} ./
fi