#!/bin/sh

YELLOW='\033[1;33m'
RED='\033[0;31m'
BLUE='\033[1;34m'
SET='\033[0m'

echo "${YELLOW}Installing PPP for Sixfab Cellular IoT Shield/HAT with Twilio Super SIM${SET}"

echo "${YELLOW}Downloading setup files${SET}"
wget --no-check-certificate  https://raw.githubusercontent.com/sixfab/Sixfab_PPP_Installer/master/ppp_installer/chat-connect -O chat-connect

if [ $? -ne 0 ]; then
    echo "${RED}Download failed${SET}"
    exit 1; 
fi

wget --no-check-certificate  https://raw.githubusercontent.com/sixfab/Sixfab_PPP_Installer/master/ppp_installer/chat-disconnect -O chat-disconnect

if [ $? -ne 0 ]; then
    echo "${RED}Download failed${SET}"
    exit 1;
fi

wget --no-check-certificate  https://raw.githubusercontent.com/sixfab/Sixfab_PPP_Installer/master/ppp_installer/provider -O provider

if [ $? -ne 0 ]; then
    echo "${RED}Download failed${SET}"
    exit 1;
fi

echo "${YELLOW}ppp and wiringpi (gpio tool) install${SET}"
apt install ppp wiringpi -y

mkdir -p /etc/chatscripts

mv chat-connect /etc/chatscripts/
mv chat-disconnect /etc/chatscripts/

mkdir -p /etc/ppp/peers
sed -i "s/#APN/super/" provider
sed -i "s/#DEVICE/ttyUSB3/" provider
mv provider /etc/ppp/peers/provider

if ! (grep -q 'sudo route' /etc/ppp/ip-up ); then
    echo "sudo route del default" >> /etc/ppp/ip-up
    echo "sudo route add default ppp0" >> /etc/ppp/ip-up
fi

while [ 1 ]
do
	echo "${YELLOW}Do you want to activate auto connect/reconnect service at R.Pi boot up? [Y/n] ${SET}"
	read auto_reconnect

	case $auto_reconnect in
		[Yy]* )    echo "${YELLOW}Downloading setup file${SET}"
			  
			wget --no-check-certificate https://raw.githubusercontent.com/sixfab/Sixfab_PPP_Installer/master/ppp_installer/reconnect_service -O reconnect.service
			  
			wget --no-check-certificate  https://raw.githubusercontent.com/sixfab/Sixfab_PPP_Installer/master/ppp_installer/reconnect_cellulariot -O reconnect.sh
						  
			mv reconnect.sh /usr/src/
			mv reconnect.service /etc/systemd/system/
			  
			systemctl daemon-reload
			systemctl enable reconnect.service
			  
			break;;
			  
		[Nn]* )    echo "${YELLOW}To connect to internet run ${BLUE}\"sudo pon\"${YELLOW} and to disconnect run ${BLUE}\"sudo poff\" ${SET}"
			  break;;
		*)   echo "${RED}Wrong Selection, Select among Y or n${SET}";;
	esac
done

read -p "Press ENTER key to reboot" ENTER
reboot