wronginput() {
	printf "Wrong input: %s\n" "${1}"
	printf "this is valid: %s\n" "${2}"
}

input() {
	output=""
	echo "${1}"
	read -r -p "[${2}]: " output
	test -z "${output}" && output="${2}"
	return 0
}

#multiplechoice "networksystem" "dhcpcd" "networkmanager" "iwd" "none"

multiplechoice() {
	output=""
	local done=""
	local input=("${@}")
	for i in $(seq 1 "$(( ${#input[@]} - 1 ))"); do
		if [[ "${i}" == "1" ]]; then
			choices="${input[$i]}"
			use="${input[$i]}"
		else
			choices="${choices}|${input[$i]}"
			use+=" ${input[$i]}"
		fi
	done
	while input "[${choices}]: " "${input[1]}"; do
		for i in $(seq 1 "$(( ${#input[@]} - 1 ))"); do
			if [[ "${output}" == "${input[$i]}" ]] || [[ "${output}" == "${input[$i]:0:2}" ]]; then
				setconf add "${1}" "${input[$i]}"
				done=1
			fi
		done
		if [[ -z "${done}" ]]; then
			echo wronginput "${output}"
			echo use these: "${use}"
		else
			break
		fi

	done
}

#yesno question y
yesno() {
	local input=""
	local retval=""
	local default=""
	local q=""
	case "${2}" in
		Y|y) q="${1} [Y|n]:"; default=y;;
		N|n) q="${1} [y|N]:"; default=n;;
	esac
	while read -r -p "${q} " input; do
		test -z "${input}" && input="${default}"
		case "${input}" in
			y*|Y*|*es*|*ES*|*Es*|*eS*|1)
				retval=1
				break
				;;
			n*|N*|0)
				retval=""
				break
				;;
			*) wronginput "${input}" "${choices[*]}"
				;;
		esac
	done
	if [[ -z "${retval}" ]]; then
		return 1
	else
		return 0
	fi
}

input_pw() {
	output=""
	local pw1=1
	local pw2=2
	until [[ "${pw1}" == "${pw2}" ]]; do
		read -r -s -p "${1}: " pw1 && echo
		read -r -s -p "${1} verify: " pw2 && echo
		test -z "${pw1}" && pw1=oem
		test -z "${pw2}" && pw2=oem
	done
	echo password set to "\"oem\""
	output="${pw1}"
}

#setconf add lang de_DE
#setconf rm lang

setconf() {
	case "${1}" in
		add)
			cfg+=( ["${2}"]="${3}" )
			#if grep -q -w "${2}" "${vars}/cfg"; then
			#	sed -i "/${2}/d" "${vars}/cfg"
			#fi
			echo "cfg+=( [${2}]=\"${3}\" )" >> "${vars}/cfg" ;;
	esac	
}

addpkg() {
	local input=( ${@} )
	for i in $(seq 0 "$(( ${#input[@]} - 1 ))"); do
		pkg+=( "${input[$i]}" )
		echo "pkg+=( \"${input[$i]}\" )" >> "${vars}/pkg"
	done
}

servicesenable() {
	local input=( ${@} )
	for i in $(seq 0 "$(( ${#input[@]} - 1 ))"); do
		services_enable+=( "${input[$i]}" )
		echo "services_enable+=( \"${input[$i]}\" )" >> "${vars}/services_enable"
	done
}

servicesdisable() {
	local input=( ${@} )
	for i in $(seq 0 "$(( ${#input[@]} - 1 ))"); do
		services_disable+=( "${input[$i]}" )
		echo "services_disable+=( \"${input[$i]}\" )" >> "${vars}/services_disable"
	done
}

ignorepkg() {
	local input=( ${@} )
	for i in $(seq 0 "$(( ${#input[@]} - 1 ))"); do
		ignorepkg+=( "${input[$i]}" )
		echo "ignorepkg+=( \"${input[$i]}\" )" >> "${vars}/ignorepkg"
	done
}

removepkg() {
	local input=( ${@} )
	for i in $(seq 0 "$(( ${#input[@]} - 1 ))"); do
                removepkg+=( "${input[$i]}" )
		echo "removepkg+=( \"${input[$i]}\" )" >> "${vars}/removepkg"
        done
}

check() {
	if [[ $1 == "alnum" ]]; then
		if [[ "${2}" =~ ^[[:alnum:]]+$ ]] || [[ "${2}" =~ ^[0-9A-Za-z._]+$ ]]; then
			return 0
		else
			echo "only alphanumerics and ._"
			return 1
		fi
	elif [[ $1 == "num" ]]; then
		if [[ "${2}" =~ ^[0-9]+$ ]]; then
			return 0
		else
			echo "only numbers ${2}"
			return 1
		fi
	fi
}

#useradd valuename index value
useradder() {
	users+=( ["${1}${2}"]="${3}" )
	#echo "users+=( [${1}${2}]=${3} )"
	echo "users+=( [${1}${2}]=\"${3}\" )" >> "${vars}/users"
}

module() {
	case $1 in
		start)
			modulename="${2}"
			desc="${3}"
			#echo "${3}.."
			;;
		end)
			modulename=""
			;;
	esac
}

umounter() {
	umount -R "${1}"
	vgchange -an
	for i in $(find /dev/mapper -name "voidluks*" -printf "%P\n"); do
		cryptsetup close "${i}"
	done
}

inst() {
	xbps-install -Sy -R "${remote}" -r "${dest}" "${@}" || exit
}

remove() {
	xbps-remove -Ry -r "${dest}" "${ignorepkg[@]}" "${@}" || exit
}


#if findinarray "${i}" "${array[@]}"; then echo found; fi
findinarray() {
	local input=()
	local index=1
	for i in "${@}"; do
		if [[ ! "${index}" == "1" ]]; then
			input+=( "${i}" )
		fi
		index=$(( index + 1 ))
	done
	for i in "${input[@]}"; do
		if [[ "${i}" == "${1}" ]]; then
			return 0
		fi
	done
	return 1
}