#!/bin/bash
# check if its a smart host with control
if [ -f /etc/debian_version ]; then
  echo debian Smart Host
else
  echo Smart Host with Control
  if [ -f /usr/local/bin/node ]; then
    echo Node Installed Already Skipping...
  else
    echo Could not find node, installing now...
    mkdir /home/RPM/temp
    cd /home/RPM/temp
    wget http://nodejs.org/dist/v6.9.3/node-v6.9.3-linux-armv7l.tar.gz
    cd /usr/local
    sudo tar --strip-components 1 -xzf /home/RPM/temp/node-v6.9.3-linux-armv7l.tar.gz
    rm -rf /home/RPM/temp
  fi
fi

# Make directory and download skill, move files in correct location
mkdir /home/RPM/alexa-app-savant
cd /home/RPM/alexa-app-savant
npm install alexa-app-savant --save
cp -a /home/RPM/alexa-app-savant/node_modules/alexa-app-savant/. /home/RPM/alexa-app-savant
mkdir /home/RPM/alexa-app-savant/node_modules/alexa-app-server/sslcert
mkdir /home/RPM/alexa-app-savant/app/alexa-app-savant/userIntents/

cd /home/RPM/alexa-app-savant/app/alexa-app-savant
npm install --save

#install pm2 to keep script alive
sudo npm install pm2 -g

#Generate ssh key and cert, put in folder for server use
if [ -f /home/RPM/alexa-app-savant/node_modules/alexa-app-server/sslcert/private-key.pem ]; then
  echo Certs already exist... skipping
else
  echo Could not find certs. Making them now...
  openssl genrsa -out /home/RPM/alexa-app-savant/node_modules/alexa-app-server/sslcert/private-key.pem 1024
  openssl req -new -x509 -key /home/RPM/alexa-app-savant/node_modules/alexa-app-server/sslcert/private-key.pem -out /home/RPM/alexa-app-savant/node_modules/alexa-app-server/sslcert/cert.cer -days 365
  #copy key and cert to home folder for later use
  cp /home/RPM/alexa-app-savant/node_modules/alexa-app-server/sslcert/private-key.pem /home/RPM/
  cp /home/RPM/alexa-app-savant/node_modules/alexa-app-server/sslcert/cert.cer /home/RPM/
fi

#modify server index.js with key location
sed -i -e "s|'sslcert/'|__dirname+'/sslcert/'|g" /home/RPM/alexa-app-savant/node_modules/alexa-app-server/index.js

#start server
pm2 start /home/RPM/alexa-app-savant/index.js -l /home/RPM/alexaLog.log


#redirect port 1414
sudo iptables -A PREROUTING -t nat -i eth0 -p tcp --dport 443 -j REDIRECT --to-port 1414
sudo iptables-save > ~/iptables

# start pm2 on boot and save config
sudo pm2 startup
sudo pm2 save