#!/bin/bash
#
# Matthew Page
# 11/20/2014
# CSCS 1730
# 
# timeonline -  a script to caclulate number of logins
#               and time online.
#

#variables for number of logins per month
auglogins=`last | grep $USER | grep Aug | wc -l`
seplogins=`last | grep $USER | grep Sep | wc -l`
octlogins=`last | grep $USER | grep Oct | wc -l`
novlogins=`last | grep $USER | grep Nov | wc -l`
declogins=`last | grep $USER | grep Dec | wc -l`
totallogins=$(echo "($auglogins + $seplogins + $octlogins + $novlogins + $declogins)" | bc -l)

days=`last | grep $USER | grep '+' | cut -d '(' -f2 | cut -d '+' -f1`
totaldays=`echo $days | xargs | sed 's/\ /+/g' | bc -l` 

#echo $totaldays

hoursfrompluslines=`last | grep $USER | cut -d '(' -f2 | grep '+' | cut -d '+' -f2 | cut -d ':' -f1 | xargs | sed 's/\ /+/g' | bc -l`
minutesfrompluslines=`last | grep $USER | cut -d '(' -f2 | grep '+' | cut -d '+' -f2 | cut -d ':' -f2 | cut -d ')' -f1 | xargs | sed 's/\ /+/g' | bc -l`

#echo $hoursfrompluslines
#echo $minutesfrompluslines

hoursfromNONpluslines=`last | grep $USER | grep -v '+' | grep -v "still logged in" | cut -d '(' -f2 | cut -d ':' -f1 | xargs | sed 's/\ /+/g' | bc -l`
minutesfromNONpluslines=`last | grep $USER | grep -v '+' | grep -v "still logged in" | cut -d '(' -f2 | cut -d ':' -f2 | cut -d ')' -f1 | xargs | sed 's/\ /+/g' | bc -l`

#echo $hoursfromNONpluslines
#echo $minutesfromNONpluslines

unrefinedhours=$(echo "($hoursfrompluslines + $hoursfromNONpluslines)" | bc -l)
unrefinedminutes=$(echo "($minutesfrompluslines + $minutesfromNONpluslines)" | bc -l)

#echo $unrefinedhours
#echo $unrefinedminutes

totalminutes=0
while [ $unrefinedminutes -ge 60 ];do
    unrefinedminutes=$(echo "($unrefinedminutes-60)" | bc -l)
    unrefinedhours=$(echo "($unrefinedhours+1)" | bc -l)
    totalminutes=$(echo $unrefinedminutes)
done

#echo $totalminutes
#echo $unrefinedhours

totalhours=0
while [ $unrefinedhours -ge 24 ];do
    unrefinedhours=$(echo "($unrefinedhours-24)" | bc -l)
    totaldays=$(echo "($totaldays+1)" | bc -l)
    totalhours=$(echo $unrefinedhours)
done

#echo $totalminutes
#echo $totalhours
#echo $totaldays

augtemp=$(echo $auglogins)
augstars=$(echo "")
while [ $augtemp -ge 10 ];do
    augtemp=$(echo "($augtemp-10)" | bc -l)
    augstars=$(echo $augstars+"*")
done

septemp=$(echo $seplogins)
sepstars=$(echo "")
while [ $septemp -ge 10 ];do
    septemp=$(echo "($septemp-10)" | bc -l)
    sepstars=$(echo $sepstars+"*")
done

octtemp=$(echo $octlogins)
octstars=$(echo "")
while [ $octtemp -ge 10 ];do
    octtemp=$(echo "($octtemp-10)" | bc -l)
    octstars=$(echo $octstars+"*")
done

novtemp=$(echo $novlogins)
novstars=$(echo "")
while [ $novtemp -ge 10 ];do
    novtemp=$(echo "($novtemp-10)" | bc -l)
    novstars=$(echo $novstars+"*")
done

dectemp=$(echo $declogins)
decstars=$(echo "")
while [ $dectemp -ge 10 ];do
    dectemp=$(echo "($dectemp-10)" | bc -l)
    decstars=$(echo $decstars+"*")
done

totaltemp=$(echo $totallogins)
totalstars=$(echo "")
while [ $totaltemp -ge 10 ];do
    totaltemp=$(echo "($totaltemp-10)" | bc -l)
    totalstars=$(echo $totalstars+"*")
done

echo "_____________________________"
echo " USER  : $USER   "
echo "_____________________________"
echo " Total Login Time: "
echo "_____________________________"
echo " Days:   | $totaldays"
echo " Hours:  | $totalhours"
echo " Minutes | $totalminutes"
echo "_____________________________"
echo " Total Logins Per Month: "
echo "_____________________________"
echo " Aug   | `echo $augstars | sed 's/+//g'` $auglogins"
echo " Sep   | `echo $sepstars | sed 's/+//g'` $seplogins"
echo " Oct   | `echo $octstars | sed 's/+//g'` $octlogins"
echo " Nov   | `echo $novstars | sed 's/+//g'` $novlogins"
echo " Dec   | `echo $decstars | sed 's/+//g'` $declogins"
echo "_____________________________"
echo " TOTAL : `echo $totalstars | sed 's/+//g'` $totallogins"