#!/bin/bash -e
#-e Causes bash script to exit if any of the installers
#return with a non-zero return value.

if [ `whoami` != 'root' ]; then
    echo "Please run as root user."
    exit 1
fi

set +e
DEB=$(dpkg -s airtime 2> /dev/null | grep Status)
set -e
if [[ "$DEB" = "Status: install ok installed" ]]; then
    echo -e "\nDebian package of Airtime detected. Please use the debian package to upgrade.\n"
    exit 1
fi

#Check whether version of virtualenv is <= 1.4.8. If so exit install. 
BAD_VERSION="1.4.8"
VERSION=$(virtualenv --version)
NEWEST_VERSION=$(echo -e "$BAD_VERSION\n$VERSION\n'" | sort -t '.' -g | tail -n 1)
echo -n "Ensuring python-virtualenv version > $BAD_VERSION..."
if [[ "$NEWEST_VERSION" = "$BAD_VERSION" ]]; then
    URL="http://apt.sourcefabric.org/pool/main/p/python-virtualenv/python-virtualenv_1.4.9-3_all.deb"
    echo "Failed!"
    echo "You have version $BAD_VERSION or older installed. Please install package at $URL first and then try installing Airtime again."
    exit 1
else
    echo "Success!"
fi


echo -e "\n******************************** Install Begin *********************************"

# Absolute path to this script, e.g. /home/user/bin/foo.sh
SCRIPT=`readlink -f $0`
# Absolute path this script is in, thus /home/user/bin
SCRIPTPATH=`dirname $SCRIPT`
AIRTIMEROOT=$SCRIPTPATH/../

rm -rf "/usr/lib/airtime"
$AIRTIMEROOT/python_apps/python-virtualenv/virtualenv-install.sh
python $AIRTIMEROOT/python_apps/create-pypo-user.py

$SCRIPTPATH/include/airtime-copy-files.sh
$SCRIPTPATH/include/airtime-initialize.sh $@

#Hack to parse rabbitmq pid and place it into the correct directory. This is also
#done in our rabbitmq init.d script, but placing it here so that monit recognizes 
# it faster (in time for the upcoming airtime-check-system)
codename=`lsb_release -cs`
if [ "$codename" == "oneiric" ];
then
    rabbitmqstatus=`/etc/init.d/rabbitmq-server status | grep "\[{pid"`
    rabbitmqpid=`echo $rabbitmqstatus | sed "s/.*,\(.*\)\}.*/\1/"`
else
    rabbitmqpid=`sed "s/.*,\(.*\)\}.*/\1/" /var/lib/rabbitmq/pids`
fi
echo "RabbitMQ PID: $rabbitmqpid"
echo "$rabbitmqpid" > /var/run/rabbitmq.pid

echo -e "\n*** Verifying your system environment, running airtime-check-system ***"
sleep 10
airtime-check-system

echo -e "\n******************************* Install Complete *******************************"