#!/usr/local/bin/cbsd

# dialog_menu_main
#
# Display the dialog(1)-based application main menu.
#
dialog_menu_main()
{
	local title="$DIALOG_TITLE"
	local btitle="$DIALOG_BACKTITLE"
	local prompt=" Virtual Machine: ${jname} "
	local menu_list="
		'A $msg_add_new_nic'	'${msg_add_new_nic_desc}'	'Add and configure new virtual NIC'
		'-'	'-'	''
	" # END-QUOTE
	local defaultitem=
	local hline="$hline_arrows_tab_enter"

	local n=1

	for last_nic in $( ${SEQ_CMD} 1 16 ); do
		unset nic_id nic_driver nic_slot nic_type nic_parent nic_hwaddr nic_address
		eval nic_id="\$nic_id$last_nic"
		eval nic_driver="\$nic_driver$last_nic"

		[ -z "${nic_id}" -o -z "${nic_driver}" ] && break
		eval nic_slot="\$nic_slot$last_nic"
		eval nic_type="\$nic_type$last_nic"
		eval nic_parent="\$nic_parent$last_nic"
		eval nic_hwaddr="\$nic_hwaddr$last_nic"
		eval nic_address="\$nic_address$last_nic"

		nic=$( echo $nic_path | ${CUT_CMD} -d "." -f 1 )
		menu_list="${menu_list} '${nic_id} nic${n}'	'${nic_driver}'	'$nic_slot,$nic_type,$nic_parent,$nic_hwaddr,$nic_address'"
		n=$(( $n + 1 ))
	done

	local height width rows
	eval f_dialog_menu_with_help_size height width rows \
		\"\$title\"  \
		\"\$btitle\" \
		\"\$prompt\" \
		\"\$hline\"  \
		$menu_list

	height=$(( height + 1 ))

	# Obtain default-item from previously stored selection
	f_dialog_default_fetch defaultitem

	local menu_choice
	menu_choice=$( eval $DIALOG \
		--clear                                 \
		--title \"\$title\"                     \
		--backtitle \"\$btitle\"                \
		--hline \"\$hline\"                     \
		--item-help                             \
		--ok-label \"\$msg_ok\"                 \
		--cancel-label \"Exit\"                 \
		${cbsd_help}                            \
		${USE_XDIALOG:+--help \"\"}             \
		--default-item \"\$defaultitem\"        \
		--menu \" \$prompt \"                   \
		$height $width $rows                    \
		$menu_list                              \
		2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
	)

	local retval=$?
	f_dialog_data_sanitize menu_choice
	f_dialog_menutag_store "$menu_choice"

	# Only update default-item on success
	[ $retval -eq $DIALOG_OK ] && f_dialog_default_store "$menu_choice"
	return $retval
}

find_first_free_nic_id()
{
	local last_nic _res

	for last_nic in $( ${SEQ_CMD} 1 16 ); do
		unset _res
		_res=$( cbsdsqlro ${jailsysdir}/${jname}/local.sqlite SELECT nic_path FROM xennic WHERE jname=\"${jname}\" AND nic_path=\"nic${last_nic}.vhd\" 2>&1 )
		[ -z "${_res}" ] && echo "${last_nic}" && break
	done

	echo "${last_nic}"
}

############################################################ MAIN
export NOCOLOR=1

MYARG="jname"
MYOPTARG=""
MYDESC="xen nic image dialog"
CBSDMODULE="xen"

globalconf="${distdir}/cbsd.conf";

set -e
. ${globalconf}
set +e

. ${subrdir}/nc.subr
. ${strings}
. ${tools}
. ${subrdir}/vnet.subr
. ${cbsdinit}

. ${subrdir}/bsdconfig.subr
#f_include_lang $BSDCFG_LIBE/$APP_DIR/include/messages-xennic.subr
. $BSDCFG_LIBE/$APP_DIR/include/messages-xennic.subr

. ${subrdir}/rcconf.subr
[ $? -eq 1 ] && err 1 "${N1_COLOR}No such VM: ${N2_COLOR}${jname}${N0_COLOR}"
[ "${emulator}" != "xen" ] && err 1 "${N1_COLOR}Not in xen mode${N0_COLOR}"

. $BSDCFG_LIBE/$APP_DIR/include/xennic.subr

# Incorporate rc-file if it exists
[ -f "$HOME/.bsdconfigrc" ] && f_include "$HOME/.bsdconfigrc"

#
# Process command-line arguments
#
while getopts h$GETOPTS_STDARGS flag; do
	case "$flag" in
	h|\?) f_usage $BSDCFG_LIBE/$APP_DIR/USAGE "PROGRAM_NAME" "$pgm" ;;
	esac
done
shift $(( $OPTIND - 1 ))

#
# Initialize
#
f_dialog_title " $msg_configure_xennic "
f_dialog_backtitle "${ipgm:+bsdconfig }$pgm"
f_mustberoot_init

#
# Loop over the main menu until we've accomplished what we came here to do
#
while :; do
	load_nic_info
	dialog_menu_main || break
	f_dialog_menutag_fetch mtag

	[ -z "${mtag}" ] && exit $SUCCESS

	command=

	case "$mtag" in
		?" $msg_exit") break ;;
		?" $msg_add_new_nic")
			last_nic=$( find_first_free_nic_id )
			nic="nic${last_nic}"
			command="xennic-newnic jname=${jname} nic=${nic}"
			;;
		*)
			[ "${mtag}" = "-" ] && continue
			index=${mtag%% *}
			nic=${mtag##* }
			command="xennic-cfgnic jname=${jname} nic=${index}"
			;;
	esac

	if [ "$command" ]; then
		$BSDCFG_LIBE/$APP_DIR/$command ${USE_XDIALOG:+-X}
	fi

done

return $SUCCESS

################################################################################
# END
################################################################################
