#!/bin/bash
# A tool to install xlxd, your own D-Star Reflector.
# For more information, please visit: https://n5amd.com
#Lets begin-------------------------------------------------------------------------------------------------
WHO=$(whoami)
if [ "$WHO" != "root" ]
then
  echo ""
  echo "You Must be root to run this script!!"
  exit 0
fi
if [ ! -e "/etc/debian_version" ]
then
  echo ""
  echo "This script is only tested in Debian 9 and x64 cpu Arch. "
  exit 0
fi
DIRDIR=$(pwd)
LOCAL_IP=$(ip a | grep inet | grep "eth0\|en" | awk '{print $2}' | tr '/' ' ' | awk '{print $1}')
INFREF=https://n5amd.com/digital-radio-how-tos/create-xlx-xrf-d-star-reflector/
XLXDREPO=https://github.com/LX3JL/xlxd.git
DMRIDURL=http://xlxapi.rlx.lu/api/exportdmr.php
WEBDIR=/var/www/xlxd
XLXINSTDIR=/root/reflector-install-files/xlxd
DEP="wget git build-essential g++ apache2 php libapache2-mod-php php7.0-mbstring"
DEP2="wget git build-essential g++ apache2 php libapache2-mod-php php7.3-mbstring"
DEP3="wget git build-essential g++ apache2 php libapache2-mod-php php-curl php-json php-cgi snapd"
VERSION=$(sed 's/\..*//' /etc/debian_version)
clear
echo ""
echo "XLX uses 3 digit numbers for its reflectors. For example: 248, 999, 099."
read -p "What 3 digit XRF number will you be using?  " XRFDIGIT
XRFNUM=XLX$XRFDIGIT
echo ""
echo "--------------------------------------"
read -p "What is the FQDN of the XLX Reflector dashboard? Example: xlx999.domain.com.  " XLXDOMAIN
echo ""
echo "--------------------------------------"
read -p "What E-Mail address can your users send questions to?  " EMAIL
echo ""
echo "--------------------------------------"
read -p "What is the admins callsign?  " CALLSIGN
echo ""
echo ""
echo "------------------------------------------------------------------------------"
echo "Making install directories and installing dependicies...."
echo "------------------------------------------------------------------------------"
mkdir -p $XLXINSTDIR
mkdir -p $WEBDIR
apt-get update
if [ $VERSION = 9 ]
then
    apt-get -y install $DEP
    a2enmod php7.0
elif [ $VERSION = 10 ]
then
    apt-get -y install $DEP2
elif [ $VERSION = 11 ]
then
    apt install -y $DEP3
fi

echo "------------------------------------------------------------------------------"
if [ -e $XLXINSTDIR/xlxd/src/xlxd ]
then
   echo ""
   echo "It looks like you have already compiled XLXD. If you want to install/complile xlxd again, delete the directory '/root/reflector-install-files/xlxd' and run this script again. "
   exit 0
else
   echo "Downloading and compiling xlxd... "
   echo "------------------------------------------------------------------------------"
   cd $XLXINSTDIR
   git clone $XLXDREPO
   cd $XLXINSTDIR/xlxd/src
   make clean
if [ $VERSION = 11 ]
then
   nano main.h
else 
   exit 0
   make
   make install
fi
if [ -e $XLXINSTDIR/xlxd/src/xlxd ]
then
   echo ""
   echo ""
   echo "------------------------------------------------------------------------------"
   echo "It looks like everything compiled successfully. There is a 'xlxd' application file. "
else
   echo ""
   echo "UH OH!! I dont see the xlxd application file after attempting to compile."
   echo "The output above is the only indication as to why it might have failed.  "
   echo "Delete the directory '/root/reflector-install-files/xlxd' and run this script again. "
   echo ""
   exit 0
fi
echo "------------------------------------------------------------------------------"
echo "Getting the DMRID.dat file... "
echo "------------------------------------------------------------------------------"
wget -O /xlxd/dmrid.dat $DMRIDURL
echo "------------------------------------------------------------------------------"
echo "Copying web dashboard files and updating init script... "
cp -R $XLXINSTDIR/xlxd/dashboard/* /var/www/xlxd/
cp $XLXINSTDIR/xlxd/scripts/xlxd /etc/init.d/xlxd
sed -i "s/XLX999 192.168.1.240 127.0.0.1/$XRFNUM $LOCAL_IP 127.0.0.1/g" /etc/init.d/xlxd
update-rc.d xlxd defaults
# Delaying startup time
mv /etc/rc3.d/S01xlxd /etc/rc3.d/S10xlxd
echo "Updating XLXD Config file... "
XLXCONFIG=/var/www/xlxd/pgs/config.inc.php
sed -i "s/your_email/$EMAIL/g" $XLXCONFIG
sed -i "s/LX1IQ/$CALLSIGN/g" $XLXCONFIG
sed -i "s/http:\/\/your_dashboard/http:\/\/$XLXDOMAIN/g" $XLXCONFIG
sed -i "s/\/tmp\/callinghome.php/\/xlxd\/callinghome.php/g" $XLXCONFIG
echo "Copying directives and reloading apache... "
cp $DIRDIR/templates/apache.tbd.conf /etc/apache2/sites-available/$XLXDOMAIN.conf
sed -i "s/apache.tbd/$XLXDOMAIN/g" /etc/apache2/sites-available/$XLXDOMAIN.conf
sed -i "s/ysf-xlxd/xlxd/g" /etc/apache2/sites-available/$XLXDOMAIN.conf
chown -R www-data:www-data /var/www/xlxd/
chown -R www-data:www-data /xlxd/
a2ensite $XLXDOMAIN
if [ $VERSION = 11 ]
then
    snap install core
    snap refresh core
    snap install --classic certbot
    ln -s /snap/bin/certbot /usr/bin/certbot
    ufw allow http
    ufw allow https
    systemctl restart apache2
    certbot --apache
else
   echo ""
   echo "Ahh! Somthing went wrong with the snapd cerbot app, your SSL certificate"
   echo "The output above is the only indication as to why it might have failed.  "
   echo "Run certbot --apache again to restart certbot installation"
   echo ""
   exit 0
fi
service xlxd start
systemctl restart apache2
echo "------------------------------------------------------------------------------"
echo ""
echo ""
echo "******************************************************************************"
echo ""
echo ""
echo "XLXD is finished installing and ready to be used. Please read the following..."
echo ""
echo ""
echo "******************************************************************************"
echo ""
echo " For Public Reflectors: "
echo "If your XLX number is not already taken, enabling callinghome is all you need to do  "
echo "for your reflector to be added to all the host files automatically. It does take     "
echo "about an hour for the change to reflect, if your reflector is accessible and working."
echo "Once activated, the callinghome hash to backup will be /xlxd/callinghome.php. "
echo "More Information: $INFREF"
echo ""
echo ""
echo " For test/private Reflectors: "
echo "If you are using this reflector as a test or for offline access you will  "
echo "need to configure the host files of the devices connecting to this server."
echo "There are many online tutorials on 'Editing pi-star host files'.          "
echo ""
echo ""
echo "          Your $XRFNUM dashboad should now be accessible...            "
echo "                http://$XLXDOMAIN                                      "
echo ""
echo ""
echo "You can make further customizations to the main config file $XLXCONFIG."
echo "Be sure to thank the creators of xlxd for the ability to spin up          "
echo "your very own D-Star reflector.                                           "
echo ""
echo "------------------------------------------------------------------------------"