#!/bin/sh -eu

dbus_name="org.freedesktop.Notifications"
dbus_path="/org/freedesktop/Notifications"
dbus_ifac="org.dunstproject.cmd0"
dbus_property="org.freedesktop.DBus.Properties"

usage() {
	echo "Usage: dunstctl <command> [options...]"
	echo ""
	echo "Commands:"
	echo "  close [-a|--all]         Close the last or all notifications"
	echo "  context                  Open context menu of latest notification"
	echo "  display                  Redisplay closed notifications"
	echo "  status                   Reload the configuration file"
	echo "  help                     Show this help"
}

method_call() {
	dbus-send --print-reply=literal --dest=$dbus_name $dbus_path $dbus_ifac."$*"
}

property_get() {
	result=$(dbus-send --print-reply=literal --dest=$dbus_name $dbus_path $dbus_property.Get string:$dbus_ifac string:"$*")
	if test "${result#*'true'}" != "$result"; then
		echo "dunst notifications are enabled"
	else
		echo "dunst notifications are disabled"
	fi
}

property_set() {
	dbus-send --print-reply=literal --dest=$dbus_name $dbus_path $dbus_property.Set string:$dbus_ifac string:"$@"
}

if [ $# -eq 0 ] || [ $# -gt 3 ]; then
   usage
   exit 1
fi

case "$1" in
"close")
	[ $# -lt 2 ] && param="" || param="$2"
	case "$param" in
	"-a"|"--all")
		method_call NotificationCloseAll
		;;
	"")
		method_call NotificationCloseLast
		;;
	*)
		echo "dunstctl: unrecognized option '$2'"
		exit 1
		;;
	esac
	;;
"context")
	method_call ContextMenuCall
	;;
"display")
	method_call NotificationShow
	;;
"status")
	[ $# -lt 2 ] && action="" || action="$2"
	case "$action" in
	"disable")
		property_set running variant:boolean:false
		;;
	"enable")
		property_set running variant:boolean:true
		;;
	""|"get")
		property_get running
		;;
	*)
		echo "dunstctl status: unrecognized option '$2'"
		exit 1
		;;
	esac
	;;
"help"|"--help"|"-h")
	usage
	;;
*)
	echo "dunstctl: unrecognized command '$1'"
	exit 1
	;;
esac