#!/bin/bash
#snow delay/closing parser program
#Kyle Bassett, Chris Merck

clear
echo "SNOWDAY Auto-TXTer V 0.1"
echo "By Kyle Bassett and Chris Merck"

#----DIR location for snowday----:
cd ~/snowday

#this file must have an empty last line
file_txt_clients="./email_clients"
http_vtsd="URL OF WEBSITE TO BE PARSED"

#time to wait to rec'v and parse file
timedelay=60
#time to stop txt msgs
timestopdelay=100000
#txtmsg body:
txtbody="School District-KBass's SnoInfo-reply STOP.SNOW to cancel.  Have fun! `date`"


#infinite loop, stop for delay/closing
while [ "" = "" ]
do

#----------get page to parse-----------
lwp-download $http_vtsd ./vtsd

#----------parse page------------------
closed=`cat ./vtsd/index.html | grep -i closed | wc -l | cut -f 2`
delay=`cat ./vtsd/index.html | grep -i delay | wc -l | cut -f 2`

msg=""
#for debugging:
#msg="no delay / closing yet!"
if [ $delay = 1 ]
then
msg="Delayed Opening"
echo "Delayed Opening"
timedelay=$timestopdelay
fi


#closed=0
#msgcountperday=2




if [ $closed = 1 ]
then
timedelay=$timestopdelay
msg="School is Closed"
echo "School is Closed"
fi

if [ "" != "$msg" ]
then

#determine the number of lines in the file
#this is the number of ppl to send to,
# each line being another email address or vtext addr

lines=`wc -l $file_txt_clients | cut -d " " -f 1`
echo "email_clients contains $lines clients."

lineindex=$lines

until [ "$lineindex" = "0" ]
do

#send the top line in a text message
email=`tail -n $lineindex $file_txt_clients | head -n 1`

#create command file to carry out SMTP transaction
echo "HELO ksb" > tmp
echo "MAIL FROM: snowday@cipercast.net" >> tmp  #you can make this anything!
echo "RCPT TO: $email" >> tmp
echo "DATA" >> tmp
echo "Subject: $msg" >> tmp
echo $txtbody >> tmp
echo "." >> tmp
echo "QUIT" >> tmp

#send message over an smtp relay
netcat smtp.find_your_own_mail_relay.net 25 < tmp

#update our index number
let "lineindex -= 1"
echo "lines left: $lineindex"

done
fi

rm ~/snowday/vtsd/index.html
sleep $timedelay

done