ask

if shellm-ndef; then
shellm-define

## \brief Provide useful function to get stdin content.

shellm source ui/auto.sh
shellm source message.sh

shellm_ask_confirm=
shellm_ask_timeout=-1

set_ask_timeout() {
	shellm_ask_timeout=${1:-${shellm_ask_timeout}}
}

unset_ask_timeout() {
	shellm_ask_timeout=-1
}

ask_cli() {
	local a timeout
	[ ${shellm_ask_timeout:--1} -ne -1 ] &&
		timeout="-t ${shellm_ask_timeout}"
  # shellcheck disable=SC2086
	if read ${timeout} -p "$* " a; then
		case $a in
			[Yy]|[Yy][Ee][Ss]) return 0 ;;
			[Nn]|[Nn][Oo]) return 1 ;;
			[Aa]|[Yy][Aa]|[Yy][Aa][Ll][Ll]) return 2 ;;
			[Qq]|[Nn][Aa]|[Nn][Aa][Ll][Ll]) return 3 ;;
			*) return 1 ;;
		esac
	else
		echo
		return 1
	fi
}

ask_gui() {
	local timeout yad
	[ ${shellm_ask_timeout:--1} -ne -1 ] &&
		timeout="--timeout=${shellm_ask_timeout}"
	yad="/usr/bin/yad ${timeout} \
		--question \
		--text '$*'"
	[ -n "${shellm_ask_confirm}" ] &&
		yad="$yad --button 'Yes:0' \
		--button 'No:1' \
		--button 'Yes to all:2' \
		--button 'No to all:3'"
	eval "$yad"
	[ $? -eq 70 ] && return 1
}

activate_ask_extra() {
	shellm_ask_confirm=help
}

deactivate_ask_extra() {
	shellm_ask_confirm=
}

ask() {
	case ${shellm_ask_confirm} in
		"") auto_ui "ask_cli '$*'" "ask_gui '$*'"
			case $? in
				0|2) return 0 ;;
				1|3) return 1 ;;
			esac
		;;
		help)
			err "*** y:yes / n:no / a:yes-to-all / q:no-to-all"
			shellm_ask_confirm=ask
			ask "$@"
		;;
		ask)
			auto_ui "ask_cli '$*'" "ask_gui '$*'"
			case $? in
				0|1) return $? ;;
				2) shellm_ask_confirm=yes-to-all; return 0 ;;
				3) shellm_ask_confirm=no-to-all; return 1 ;;
			esac
		;;
		yes-to-all) return 0 ;;
		no-to-all) return 1 ;;
	esac
}

fi # __IO_ASK_SH