#!/bin/bash

# die if no display was found
xinfo &> /dev/null || exit 1

# eval xorg_width and xorg_height
eval $(xinfo)

# fallback
[[ -z ${xorg_width} ]] && xorg_width="1024"
[[ -z ${xorg_height} ]] && xorg_width="768"

if [ -e @@SYSCONFDIR@@/os-release ]
then
	osversion=$(source @@SYSCONFDIR@@/os-release; echo "${ID}-${Version_ID}")
elif [ -e @@SYSCONFDIR@@/mageversion ]
then
	osversion="alx-$(< @@SYSCONFDIR@@/mageversion)"
else
	osversion="alx-UNKNOWN"
fi

if [[ -n $(type -P mcore-serial) ]]
then
	serial="$(mcore-serial)"
else
	serial="UNKNOWN"
fi

sysinfo="Hostname: $(hostname) Serial: #${serial} OS: ${osversion} Kernel: $(uname -r)"
#len_sysinfo="${#sysinfo}"

# calculate icon xpos
# xorg_width / 2 - len_sysinfo / 2
#xpos="$(( ${xorg_width} / 2 - ${len_sysinfo} / 2 ))"
# xorg_width / 2
xpos="$(( ${xorg_width} / 2 ))"

# calculate icon ypos
# xorg_height - text_height; text_height=22 pixel
ypos="$(( ${xorg_height} - 22))"

[ -d ~/.idesktop ] || install -d ~/.idesktop

cat > ~/.idesktop/sysinfo.lnk << EOF
table Icon
  Caption: ${sysinfo}
  Command: exit 0
  Icon: @@PIXMAPSDIR@@/sysinfo.png
  X: ${xpos}
  Y: ${ypos}
  Width: 1
  Height: 1
end
EOF