#!/bin/bash

#Variables
ASTETC=/etc/asterisk
ASTUSER=asterisk
ASTGROUP=asterisk
DEFCONTEXT=friends
DEFVMCONTEXT=intern
USERNAME=$2
BB=/dev/null
VMHOME=/var/spool/asterisk/voicemail
SNDHOME=/var/lib/asterisk/sounds

if [ `which apg 2> $BB` ]
then

case $1 in

add)

if [ -z $USERNAME ]
then
read -p "Username: " USERNAME
fi

if `grep "username=$USERNAME" $ASTETC/sip.conf > $BB`
then
echo "Username $USERNAME already exists"
exit
fi

read -p "Extension: " EXTENSION

if `grep "exten => $EXTENSION" $ASTETC/extensions.conf > $BB`
then
echo "Extension $EXTENSION is already defined."
exit
fi

if `grep "$EXTENSION =>" $ASTETC/voicemail.conf > $BB`
then
echo "Extension $EXTENSION conflicts with VM Box $EXTENSION."
exit
fi

read -p "Full Name: " FULLNAME

if [ -z "$FULLNAME" ]
then
echo "I need a full name."
exit
fi

read -p "Context (Press enter for default): " CONTEXT
read -p "CID Number (Press enter for default): " CIDNUMBER
read -p "E-Mail Address (Press enter for none): " EMAILADD
read -p "Password (Press enter for auto-gen): " PASSWORD
read -p "VM Pin (Press enter for auto-gen): " VMPIN

if [ -z $CONTEXT ]
then
CONTEXT=$DEFCONTEXT
fi

if [ -z $PASSWORD ]
then
PASSWORD=`apg -a1 -n1 -x8 -m8 -M NCL`
fi

if [ -z $VMPIN ]
then
VMPIN=`apg -a1 -n1 -x4 -m4 -M N`
fi

if [ -z $CIDNUMBER ]
then
export CIDNUMBER=DEFAULT
fi

if [ -z $EMAILADD ]
then
export EMAILADD=NONE
fi

# DVMEXT=`expr $EXTEN + 1`

echo "
Username: $USERNAME
Extension: $EXTENSION
Voicemail Extension: $DVMEXT
Full Name: "$FULLNAME"
Context: $CONTEXT
CIDNumber: $CIDNUMBER
E-Mail Address: $EMAILADD
Password: $PASSWORD
VM Pin: $VMPIN
"
read -p "Does this look good? (yes/no) " RESPONSE

if [ $RESPONSE = yes ]
then
#Finally create the user and vm, db, etc..
echo adding user $USERNAME to sip.conf...
echo "
[$USERNAME]
type=friend
username=$USERNAME
secret=$PASSWORD
dtmfmode=rfc2833
host=dynamic
context=$CONTEXT
callerid="$FULLNAME" <$EXTENSION>
mailbox=$EXTENSION
nat=yes
qualify=250" >> $ASTETC/sip.conf

echo adding user $USERNAME to voicemail.conf...
echo "$EXTENSION => $VMPIN,$FULLNAME,$EMAILADD" >> $ASTETC/voicemail.conf

echo adding user $USERNAME to extensions.conf...
echo "exten => $EXTENSION,1,Macro(stdexten,$EXTENSION,$USERNAME)" >> $ASTETC/extensions.conf
echo "exten => $DVMEXT,1,Macro(vm,$EXTENSION)" >> $ASTETC/extensions.conf
echo >> $ASTETC/extensions.conf

echo Creating voicemail for $USERNAME...
CONTEXT=intern
mkdir -p $VMHOME/$CONTEXT/$EXTENSION
mkdir -p $VMHOME/$CONTEXT/$EXTENSION/INBOX
cat $SNDHOME/vm-theperson.gsm > $VMHOME/$CONTEXT/$EXTENSION/unavail.gsm
cat $SNDHOME/vm-theperson.gsm > $VMHOME/$CONTEXT/$EXTENSION/busy.gsm
cat $SNDHOME/vm-extension.gsm > $VMHOME/$CONTEXT/$EXTENSION/greet.gsm
nums=`echo $EXTENSION | sed 's/./ \0/g'`
for x in $nums; do
        cat $SNDHOME/digits/${x}.gsm >> $VMHOME/$CONTEXT/$EXTENSION/unavail.gsm
        cat $SNDHOME/digits/${x}.gsm >> $VMHOME/$CONTEXT/$EXTENSION/busy.gsm
        cat $SNDHOME/digits/${x}.gsm >> $VMHOME/$CONTEXT/$EXTENSION/greet.gsm
done
cat $SNDHOME/vm-isunavail.gsm >> $VMHOME/$CONTEXT/$EXTENSION/unavail.gsm
cat $SNDHOME/vm-isonphone.gsm >> $VMHOME/$CONTEXT/$EXTENSION/busy.gsm
chown -R asterisk:asterisk $VMHOME/$CONTEXT/$EXTENSION
chmod -R 750 $VMHOME/$CONTEXT/$EXTENSION

echo Updating Asterisk...
if [ $CIDNUMBER = DEFAULT ]
then
echo CID Default.
else
asterisk -r -x "database put FromCID $USERNAME $CIDNUMBER" 
fi

echo Done\!

else
echo Add user aborted.
fi

;;

del)

echo "Sorry, not implemented."
;;

*)

echo "
Usage:

$0 [action] [username]

Where action is one of:

add - Adds an Asterisk User.
del - Deletes an Asterisk User.
"
;;

esac
else
echo You need apg.
fi