#!/usr/bin/env bash

# CONSTANTS

BASEDIR=$(dirname "$0")
CONTAINER=''

# FUNCTIONS

function usage {
	echo "$(basename "$0") <CONTAINER_NAME>"
}

function parse_options {
	while [[ $# -gt 0 ]]; do
		case "$1" in
			--help | -h)
				usage && exit 0
				;;
			*)
				if [[ -z $CONTAINER ]]; then
					CONTAINER=$1
				else
					echo >&2 "Unknown option: $1" && usage && exit 2
				fi
				;;
		esac

		shift 1 # Move to the next argument
	done
	[[ -n $CONTAINER ]] || (usage && exit 1)

}

function before_start {
	# cold changes
	if [[ -v MIAOU_BASH_DIR ]]; then
		pct set $CONTAINER_ID -mp0 $MIAOU_BASH_DIR,mp=/opt/miaou-bash
	else
		echo >&2 "Warn: variable MIAOU_BASH_DIR missing!"
	fi
}

function after_start {
	# hot changes
	if [[ -v MIAOU_BASH_DIR ]]; then
		pct exec "$CONTAINER_ID" -- /opt/miaou-bash/init.sh
	fi
	pct exec "$CONTAINER_ID" --  apt-get purge -y postfix
	pct exec "$CONTAINER_ID" --  apt-get update
	pct exec "$CONTAINER_ID" --  apt-get install -y sudo
}

function create {
	CONTAINER_ID=$(pct-create $CONTAINER --no-start | grep "container: $CONTAINER succesfully created" | cut -d= -f2 | cut -d! -f1)
	before_start
	pct start $CONTAINER_ID
	after_start
}

# MAIN

set -Eue
parse_options $*
create
echo Success