#!/usr/bin/env bash

# CONSTANTS

BASEDIR=$(dirname "$0")
CONTAINER=${CONTAINER:-}
SCRIPT=''
DEBUG=false
QUIET=false
FORCE=${FORCE:-false}
RECIPE_ARGS=

# FUNCTIONS

function usage {
	echo "$(basename "$0") {CONTAINER_NAME} {PATH_TO_SCRIPT} [--debug|-d] [--quiet|-q] -- [recipe_args]"
	echo "execute a recipe inside a container with extra_args"
	echo --------------
	echo call examples:
	echo "    miaou-recipe ct1 recipes/helloworld.recipe -- one two"
	echo "    CONTAINER=ct1 miaou-recipe recipes/helloworld.recipe"
}

function parse_options {
	while [[ $# -gt 0 ]]; do
		case "$1" in
			--help | -h)
				usage && exit 0
				;;
			--debug | -d)
				DEBUG=true
				;;
			--quiet | -q)
				QUIET=true
				;;
			--)
				shift 1
				RECIPE_ARGS=("$@") # array of arguments, useful to prevent quoted strings => "${RECIPE_ARGS[@]}"
				break
				;;
			*)
				if [[ -z $CONTAINER ]]; then
					CONTAINER=$1
				elif [[ -z $SCRIPT ]]; then
					SCRIPT=$1
				else
					echo >&2 "Unknown option: $1" && usage && exit 2
				fi
				;;
		esac

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

function debug_option {
	[[ $DEBUG == 'true' ]] && echo "-x" || true
}

function recipe {
	[[ ! -f $SCRIPT ]] && echo >&2 "Script not found: $SCRIPT" && exit 3
	cat "$SCRIPT" | incus exec "$CONTAINER" -- env FORCE="$FORCE" bash $(debug_option) -s -- "${RECIPE_ARGS[@]}"
}

function show_success {
	echo "Recipe <$(basename "$SCRIPT")> successfully performed on container <$CONTAINER>"
}

# MAIN

set -Eue
parse_options "$@"
recipe
$QUIET || show_success