#!/usr/bin/env bash

# CONSTANTS

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

# FUNCTIONS

function usage {
	echo Usage:
	echo -e "\t$(basename "$0") <CONTAINER_NAME> [--] <COMMAND>"
	echo
	echo "Examples:"
	echo -e "\t$(basename "$0") container1 uptime"
	echo -e "\t$(basename "$0") container1 -- ls -la"
	echo -e "\t$(basename "$0") container1 -- bash <<EOF\n\t\tls -l\n\t\tuptime\n\tEOF"
}

function parse_options {
	while [[ $# -gt 0 ]]; do
		case "$1" in
			--help | -h)
				usage && exit 0
				;;
			--)
				# don't care with --
				;;
			*)
				if [[ -z $CONTAINER ]]; then
					CONTAINER=$1
				elif [[ -z $COMMAND ]]; then
					# FIXME: quite tricky
					COMMAND=("$@")
					for i in "${!COMMAND[@]}"; do
						local value=${COMMAND[$i]}
						[[ $value == *" "* ]] && COMMAND[$i]="'$value'" || true # add quote when space detected!
					done
					break
				fi
				;;
		esac
		shift 1
	done

	[[ -n $CONTAINER ]] || [[ -n $COMMAND ]] || (usage && exit 1)
}

function exec {
	eval "incus exec $CONTAINER -- ${COMMAND[@]}"
}

# MAIN

set -Eue
parse_options "$@"
exec