#!/usr/bin/env bash
#
# Print system information
# Copyright (C) 2013-2025 by Thomas Dreibholz
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# Contact: thomas.dreibholz@gmail.com


# ###### Center text in console #############################################
center ()
{
   local text="$1"
   local length=${#text}
   local width=`tput cols`   # Console width

   let indent=(${width} - ${length})/2
   if [ ${indent} -lt 0 ] ; then
      indent=0
   fi
   printf "%${indent}s%s\n" "" "${text}"
}


# ###### Print centered separator in console ################################
separator ()
{
   local separatorCharacter="="
   local separator=""
   local width=`tput cols`   # Console width
   local separatorWidth

   let separatorWidth=${width}-4
   local i=0
   while [ $i -lt ${separatorWidth} ] ; do
      separator="${separator}${separatorCharacter}"
      let i=$i+1
   done
   center "${separator}"
}


# ====== Print banner =======================================================

RSERPOOLDEMO_VERSION=""
if [ -e /etc/simulamet/rserpooldemo-version ] ; then
   RSERPOOLDEMO_VERSION=`cat /etc/simulamet/rserpooldemo-version`
fi

echo -en "\x1b[1;34m"
separator
echo -en "\x1b[1;31m"
center "######   #####  ######  #         ###   ###### "
center "#     # #     # #     # #          #    #     #"
center "#     # #       #     # #          #    #     #"
center "######   #####  ######  #          #    ###### "
center "#   #         # #       #          #    #     #"
center "#    #  #     # #       #          #    #     #"
center "#     #  #####  #       #######   ###   ###### "
echo ""
center "-- RSPLIB Project at the University of Duisburg-Essen --"
echo -en "\x1b[1;34m"
if [ "${RSERPOOLDEMO_VERSION}" != "" ] ; then
   echo ""
   center "${RSERPOOLDEMO_VERSION}"
fi
separator
echo -e "\x1b[0m"


exit 1   # With exit code 1, no further files in /etc/system-info.d are processed!

# Use exit code 0 to process further files!
