#!/usr/bin/env bash

#
# Stats32 script generate some system infos for the motd file.
# Date: 08/2017
#
#  _______ __          __          ______ ______
# |     __|  |_.---.-.|  |_.-----.|__    |__    |
# |__     |   _|  _  ||   _|__ --||__    |    __|
# |_______|____|___._||____|_____||______|______|
#
#     by    Ｅｒｒｅｕｒ３２
#

## need figlet (auto installing with the ./install.sh)
# figlet -f wideterm

figlet -f chunky $(hostname)

echo -e "\033[0m"
[ -r /etc/lsb-release ] && . /etc/lsb-release

if [ -z "$DISTRIB_DESCRIPTION" ] && [ -x /usr/bin/lsb_release ]; then
        # Fall back to using the very slow lsb_release utility
        DISTRIB_DESCRIPTION=$(lsb_release -s -d)
fi

nbconnected="$(users | wc -w)"
#echo -e  " Kernel Info  [ $DISTRIB_DESCRIPTION ]"
#echo -e  " Shell        [ $SHELL ]"
#echo -e  " Last SSH     [ $(tput setab 1) $(users | wc -w) $(tput sgr0) connected ]"
#printf "%s-----------\t---\t------------\t----------\n"
#printf " Kernel Info :\t%s\t \t%s\t IP Address:\t%s\n" $DISTRIB_DESCRIPTION $ip
#printf " Shell  :\t%s\tSystem uptime:\t%s\n" $SHELL "$time"
#printf " Last SSH :\t%s\tSwap usage:\t%s\n" "$(tput setab 1) $(users | wc -w) $(tput sgr0) connected" 
#echo -e "\e[1;30m" ;  last -a -n $nbconnected | grep pts ; echo -e  "\e[0m"

sys_load_c="$(tput setab 34)$(tput setaf 0)"
usage_color="$(tput setaf 202)"
ssh_c="$(tput setab 124)"
NC="$(tput sgr0)"

load=`cat /proc/loadavg | awk '{print $1}'`
root_usage=`df -h / | awk '/\// {print $(NF-1)}'`
memory_usage=`free -m | awk '/Mem:/ { total=$2 } /buffers\/cache/ { used=$3 } END { printf("%3.1f%%", used/total*100)}'`
swap_usage=`free -m | awk '/Swap/ { printf("%3.1f%%", "exit !$2;$3/$2*100") }'`
users=`users | wc -w`
time=`uptime | grep -ohe 'up .*' | sed 's/,/\ hours/g' | awk '{ printf $2" "$3 }'`
processes=`ps aux | wc -l`
ip=`hostname -i`
# if IP  fail try this 
# ip=`hostname -i | awk '{ printf $2 }'`
printf "Kernel Info     [ $DISTRIB_DESCRIPTION ]\n"
printf "%s------------\t---\t-------------\t----------\n"
printf "System load  :\t%s\tIP Address   :\t%s\n" "${sys_load_c} $load ${NC}" $ip
printf "Memory usage :\t%s\tSystem uptime:\t%s\n" $memory_usage "$time"
printf "Usage on /   :\t%s\tenv LANGAUAGE:\t%s\n" "${usage_color}$root_usage ${NC}" "$(env | grep LANG=)"
printf "Swap usage   :\t%s\tProcesses    :\t%s\n" $swap_usage  $processes
printf "User SSH     :\t%s\tShell        :\t%s\n" "${ssh_c}  $(users | wc -w)  ${NC}" $SHELL
printf "%s------------\t---\t-------------\t----------\n"

echo -e "\n  Conected Users  $(users | wc -w) \e[1;30m" ;  [[ -z "$nbconnected" ]] && last -a -n $nbconnected | grep pts | head -3 ||  last -a -n $nbconnected | grep pts
echo -e "\e[0m"
#[[ -z "$nbconnected" ]] && echo "Empty" || echo "Not empty"


echo -e "\e[93m    Ｇｅｎｅｒａｔｅｄ  ｂｙ  ＭＯＴＤｓ３２\e[0m"
echo -e "               Welcome $USER"