#!/bin/bash
PATH=/usr/local/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/bin:/sbin
chkans=0
SERVERIP=$(ip a s eth0 | awk '/inet / {print$2}' | cut -d/ -f1)
RTFILE=/usr/local/bin/rt

installed() {
hash $1 2>/dev/null
}

ask_version() {
    while true
      do
      echo "Select version to upgrade/downgrade to"
      echo "1. libtorrent 0.13.2/rtorrent 0.9.2"
      echo "2. libtorrent 0.13.3/rtorrent 0.9.3"
      echo "3. libtorrent 0.13.4/rtorrent 0.9.4"
      echo "4. Quit"
      read -p "Select an option " answer
      case $answer in [1] ) libvers="libtorrent-0.13.2" && rtvers="rtorrent-0.9.2" && return 0 ;;
                      [2] ) libvers="libtorrent-0.13.3" && rtvers="rtorrent-0.9.3" && return 0 ;;
                      [3] ) libvers="libtorrent-0.13.4" && rtvers="rtorrent-0.9.4" && return 0 ;;
                      [4] ) exit ;;
                          * ) echo "Enter 1-4";;
      esac
    done
}

confirm_answer() {
while true
      do
      read -p "Sure you wish to install $libvers/$rtvers? " answer
      case $answer in [Yy]* ) chkans=1 && return 0 ;;
                      [Nn]* ) return 0 ;;
                          * ) echo "Enter y or n";;
      esac
    done

}

if ( installed rtorrent )
  then
    sudo echo "rtorrent detected"
    echo
  else
    echo "rtorrent NOT installed"
    echo "This script is for upgrading/downgrading only, not for initial install"
    exit 1
fi

while [ $chkans = 0 ]
do
ask_version
confirm_answer
done
echo
echo "Installing $libvers/$rtvers"

if ! [ -x $RTFILE ]
then
sudo wget --no-check-certificate https://raw.githubusercontent.com/arakasi72/rtinst/master/rt -O /usr/local/bin/rt && sudo chmod 755 /usr/local/bin/rt
fi


crontab -l | perl -nle 's/^([^#@])/# $1/;print' | crontab
rt stop
cd source
#svn co https://svn.code.sf.net/p/xmlrpc-c/code/stable xmlrpc
curl http://libtorrent.rakshasa.no/downloads/$libvers.tar.gz | tar xz
curl http://libtorrent.rakshasa.no/downloads/$rtvers.tar.gz | tar xz

#cd xmlrpc
#./configure --prefix=/usr --enable-libxml2-backend --disable-libwww-client --disable-wininet-client --disable-abyss-server --disable-cgi-server
#make
#sudo make install

cd ~/source/$libvers
./autogen.sh
./configure --prefix=/usr
make -j2
sudo make install

cd ~/source/$rtvers
./autogen.sh
./configure --prefix=/usr --with-xmlrpc-c
make -j2
sudo make install
sudo ldconfig

rt start
crontab -l | perl -nle 's/^#\s*([0-9*])/$1/;print' | crontab
echo
echo "$libvers/$rtvers installed"
echo
echo "Confirm at https://$SERVERIP/rutorrent"
echo
echo "Your .rtorrent.rc file, and download, watch, and .session directories have not been altered in any way"