#!/bin/bash
# installer zway to raspberry

INSTALL_DIR=/opt
ZWAY_DIR=$INSTALL_DIR/z-way-server
TEMP_DIR=/tmp
BOXED=`[ -e /etc/z-way/box_type ] && echo yes`

if [[ $ZWAY_UPIF ]]; then
    write_upi() {
	echo -e $1 > $ZWAY_UPIF
    }
else
    write_upi() {
	true;
    }
fi

##### The percentage of updates #####
write_upi "10%\nStarting upgrading"
#####################################

# Check for root priviledges
if [[ $(id -u) != 0 ]]
then
	echo "Superuser (root) priviledges are required to install Z-Way"
	echo "Please do 'sudo -s' first"
	exit 1
fi

# Accept EULA
if [[ "$BOXED" != "yes" ]]
then
	echo "Do you accept Z-Wave.Me licence agreement?"
	echo "Please read it on Z-Wave.Me web site: http://razberry.z-wave.me/docs/ZWAYEULA.pdf"
	while true
	do
		echo -n "yes/no: "
		read ANSWER < /dev/tty
		case $ANSWER in
			yes)
				break
				;;
			no)
				exit 1
				;;
		esac
		echo "Please answer yes or no"
	done
fi

# Check if Z-Way was already installed in /opt/z-way-server
upgrade_zway="no"
if [[ -d $ZWAY_DIR ]]; then
	upgrade_zway="yes"
else
	echo "z-way-server new installation"
fi

##### The percentage of updates #####
write_upi "20%\nInstalling additional libraries"
#####################################

echo "Installing additional libraries"
apt-get -y update
apt-get -y install sharutils tzdata gawk libc-ares2

##### The percentage of updates #####
write_upi "30%\nInstalling libraries for HomeKit support"
#####################################

echo "Installing additional libraries for HomeKit"
apt-get -y install libavahi-compat-libdnssd-dev

# Check symlinks
if [[ ! -e /usr/lib/arm-linux-gnueabihf/libssl.so ]]
	then
	echo "Making symlinks to libssl.so"
	cd /usr/lib/arm-linux-gnueabihf/
	ln -s libssl.so.1.0.0 libssl.so
fi

if [[ ! -e /usr/lib/arm-linux-gnueabihf/libcrypto.so ]]
	then
	echo "Making symlinks to libcrypto.so"
	cd /usr/lib/arm-linux-gnueabihf/
	ln -s libcrypto.so.1.0.0 libcrypto.so
fi

# Check that libarchive-dev is installed 
if [[ ! -e /usr/lib/arm-linux-gnueabihf/libarchive ]]
then
	echo "Installing libarchive-dev"
	apt-get -qy install libarchive-dev
fi

# Check libarchive.so.12 exist
if [[ ! -e /usr/lib/arm-linux-gnueabihf/libarchive.so.12 ]]
then
	echo "Making link to libarchive.so.12"
	ln -s /usr/lib/arm-linux-gnueabihf/libarchive.so /usr/lib/arm-linux-gnueabihf/libarchive.so.12
fi

##### The percentage of updates #####
write_upi "40%\nGetting Z-Way for Raspberry Pi"
#####################################

FILE=`basename z-way-server/z-way-server-RaspberryPiXTools-v2.3.8-rc4.tgz`
if [[ -e $TEMP_DIR/$FILE ]]; then
	echo "Removing duplicate of z-way installer"
	rm -rf $TEMP_DIR/$FILE
fi
echo "Getting Z-Way for Raspberry Pi and installing"
wget -4 http://razberry.z-wave.me/z-way-server/z-way-server-RaspberryPiXTools-v2.3.8-rc4.tgz -P $TEMP_DIR/

##### The percentage of updates #####
write_upi "50%\nExtracting new z-way-server"
#####################################

# remove z-way-server if exist
rm -rf $TEMP_DIR/z-way-server
# Extracting z-way-server
echo "Extracting new z-way-server"
tar -zxf $TEMP_DIR/$FILE -C $TEMP_DIR

# Fix installation on Raspbian Jessie
IS_JESSIE=`cat /etc/*-release | grep jessie`
if [[ ! -z $IS_JESSIE ]]
then
	echo "Deleting not needed libraries for Raspbian Jessie"
	if [[ -e $TEMP_DIR/z-way-server/libs/libnettle.so ]]
	then
		rm -f $TEMP_DIR/z-way-server/libs/libnettle.so
	fi
	if [[ -e $TEMP_DIR/z-way-server/libs/libnettle.so.4 ]]
	then
		rm -f $TEMP_DIR/z-way-server/libs/libnettle.so.4
	fi
fi

##### The percentage of updates #####
write_upi "60%\nMaking backup and installing Z-Way"
#####################################

# If downloading and extracting is ok, then make backup and move z-way-server from /tmp to /data
if [[ "$?" -eq "0" ]]; then
	# if need upgrade
	if [[ "$upgrade_zway" = "yes" ]]; then
		echo "Previous z-way-server installation found"

		# Stopping z-way-server
		if [[ -e /etc/init.d/z-way-server ]]
		then
			/etc/init.d/z-way-server stop
		fi

		if [[ -e /etc/init.d/Z-Way ]]
		then
			/etc/init.d/Z-Way stop
			rm /etc/init.d/Z-Way
		fi

		# Make backup
		TMP_ZWAY_DIR=${ZWAY_DIR}_$(date "+%Y-%m-%d-%H-%M-%S")
		echo "Making backup of previous version of Z-Way in $TMP_ZWAY_DIR"
		mv $ZWAY_DIR $TMP_ZWAY_DIR
		mv $TEMP_DIR/z-way-server $INSTALL_DIR/

		# Copy old configuration files to the new location
		echo "Copying settings"
		cp $TMP_ZWAY_DIR/config/Configuration.xml $ZWAY_DIR/config/
		cp $TMP_ZWAY_DIR/config/Rules.xml $ZWAY_DIR/config/
		cp -R $TMP_ZWAY_DIR/config/maps $ZWAY_DIR/config/
		cp -R $TMP_ZWAY_DIR/config/zddx $ZWAY_DIR/config/

		if [[ -e $TMP_ZWAY_DIR/automation/user_syscommands ]]
			then
			cp $TMP_ZWAY_DIR/automation/user_syscommands $ZWAY_DIR/automation/user_syscommands
		fi
		
		if [[ -d $TMP_ZWAY_DIR/automation/storage ]]
			then
			rm -Rf $ZWAY_DIR/automation/storage
			cp -R $TMP_ZWAY_DIR/automation/storage $ZWAY_DIR/automation/
		fi

		if [[ -d $TMP_ZWAY_DIR/automation/userModules ]]
			then
			rm -Rf $ZWAY_DIR/automation/userModules
			cp -R $TMP_ZWAY_DIR/automation/userModules $ZWAY_DIR/automation/
		fi

		echo "Copying user directory"
		if [[ -d $TMP_ZWAY_DIR/htdocs/smarthome/user ]]
			then
			rm -Rf $ZWAY_DIR/htdocs/smarthome/user
			cp -R $TMP_ZWAY_DIR/htdocs/smarthome/user $ZWAY_DIR/htdocs/smarthome/
		fi

		if ! diff $ZWAY_DIR/config.xml $TMP_ZWAY_DIR/config.xml -w > /dev/null
		then
			echo "config.xml replaced by the new one - make sure to restore your changes"
			echo "diff $ZWAY_DIR/config.xml $TMP_ZWAY_DIR/config.xml:"
			diff $ZWAY_DIR/config.xml $TMP_ZWAY_DIR/config.xml -w
			echo
		fi
		echo "!!! Defaults.xml and config.xml updated with new versions !!!"
	else
		mv $TEMP_DIR/z-way-server $INSTALL_DIR/
		echo "New version z-way-server installed"
	fi
else
	write_upi "30%\nDownloading and extracting z-way-server failed"

	echo "Downloading and extracting z-way-server failed"
	echo "Exiting"
	exit 1
fi

mkdir -p /etc/z-way
echo "v2.3.8-rc4" > /etc/z-way/VERSION
echo "razberry" > /etc/z-way/box_type

# Create Z-Way startup script
echo "Creating Z-Way startup script"
echo '#! /bin/sh
### BEGIN INIT INFO
# Provides:		  z-way-server
# Required-Start:	
# Required-Stop:	 
# Default-Start:	 2 3 4 5
# Default-Stop:	  0 1 6
# Short-Description: RaZberry Z-Wave service
# Description:	   Start Z-Way server for to allow Raspberry Pi talk with Z-Wave devices using RaZberry
### END INIT INFO

# Description: RaZberry Z-Way server
# Author: Yurkin Vitaliy <aivs@z-wave.me>

PATH=/bin:/usr/bin:/sbin:/usr/sbin
NAME=z-way-server
DAEMON_PATH=/opt/z-way-server
PIDFILE=/var/run/$NAME.pid

# adding z-way libs to library path
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/opt/z-way-server/libs

case "$1" in
  start)
	echo -n "Starting z-way-server: "
	start-stop-daemon --start  --pidfile $PIDFILE --make-pidfile  --background --no-close --chdir $DAEMON_PATH --exec $NAME > /dev/null 2>&1
	echo "done."
	;;
  stop)
	echo -n "Stopping z-way-server: "
	start-stop-daemon --stop --quiet --pidfile $PIDFILE
	rm $PIDFILE
	echo "done."
	;;
  restart)
	echo "Restarting z-way-server: "
	sh $0 stop
	sleep 10
	sh $0 start
	;;
  save)
	echo "Saving z-way-server configuration"
	PID=`sed s/[^0-9]//g $PIDFILE`
	/bin/kill -10 $PID
	;;
  *)
	echo "Usage: /etc/init.d/z-way-server {start|stop|restart|save}"
	exit 1
	;;
esac
exit 0' > /etc/init.d/z-way-server
chmod +x /etc/init.d/z-way-server

# Add z-way-server.log to logrotate
echo '/var/log/z-way-server.log {
        size=25M
        rotate 10
        compress
        nodelaycompress
        missingok
        notifempty
        postrotate
    		/usr/bin/killall -HUP z-way-server 2>/dev/null || true
		endscript
}' > /etc/logrotate.d/z-way-server

# Add Z-Way to autostart
echo "Adding z-way-server to autostart"
update-rc.d z-way-server defaults

##### The percentage of updates #####
write_upi "70%\nGetting Webif for Raspberry Pi and installing"
#####################################

# Getting Webif and installing
echo "Getting Webif for Raspberry Pi and installing"
wget -4 http://razberry.z-wave.me/webif_raspberry.tar.gz -O - | tar -zx -C /

# If first install, get new ID
if [[ ! -e /etc/init.d/zbw_connect ]]
	then
	echo "First install, getting Remote ID"
	echo '#!/bin/bash
### BEGIN INIT INFO
# Provides:          zbw_autosetup
# Required-Start:    $all
# Required-Stop:     $all
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: zbw_autosetup
# Description:       the script setup a zbw_connect script
### END INIT INFO


function delete_me()
{
    insserv -r zbw_autosetup
    rm -f /etc/init.d/zbw_autosetup
    rm -f $0
}

if [[ $0 == "/tmp/zbw_autosetup" ]]; then
    delete_me;
    exit
fi

case "$1" in
    start)
        # if we already have zbw_connect, delete ourself
	if [[ -x /etc/init.d/zbw_connect ]]; then
	    # a hack to eliminate an error on a remouting / ro
	    cp $0 /tmp/zbw_autosetup
	    exec /tmp/zbw_autosetup
	fi

        if wget -4 http://find.zwave.me/zbw_new_user -O /tmp/zbw_connect_setup.run; then
            sleep 10
	    if bash /tmp/zbw_connect_setup.run; then
	        # Update service file for Jessie
	        systemctl daemon-reload
	        /etc/init.d/zbw_connect start
	        # a hack to eliminate an error on a remouting / ro
	        cp $0 /tmp/zbw_autosetup
	        exec /tmp/zbw_autosetup
	    fi
	    mount -o remount,ro /
	fi
	;;
esac
' > /etc/init.d/zbw_autosetup
	chmod +x /etc/init.d/zbw_autosetup
	/etc/init.d/zbw_autosetup start
else 
	# Update zbw_connect to new version
	cd /etc/init.d/
	./zbw_connect stop
	echo 'begin-base64 644 zbw_connect_with_out_key
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ICAgICAgICB6YndfY29ubmVjdAojIFJlcXVpcmVkLVN0YXJ0OiAgICAkYWxs
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ICAgMiAzIDQgNQojIERlZmF1bHQtU3RvcDogICAgICAwIDEgNgojIFNob3J0
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====' | uudecode  -o zbw_connect.new
	tail -n 29 zbw_connect >> zbw_connect.new
	mv zbw_connect.new zbw_connect
	chmod +x zbw_connect
	# Update service file for Jessie
	systemctl daemon-reload
	# Change default zbw port to 8083
	echo "8083" > /etc/zbw/local_port
	echo "zbw_connect patched"
	./zbw_connect start
fi

##### The percentage of updates #####
write_upi "80%\nGetting webserver mongoose for Webif"
#####################################

# Getting webserver mongoose for webif
cd $TEMP_DIR
if [[ -e mongoose.pkg.rPi.tgz ]]; then
	echo "Removing duplicate of mongoose"
	rm -rf mongoose.pkg.rPi.tgz
fi
echo "Getting webserver mongoose for Webif"
wget -4 http://razberry.z-wave.me/mongoose.pkg.rPi.tgz -P $TEMP_DIR

##### The percentage of updates #####
write_upi "90%\nRestarting Webif and Z-Way"
#####################################

# Stopping mongoose
if [[ -e /etc/init.d/mongoose ]]
then
	echo "Stopping mongoose http server"
	/etc/init.d/mongoose stop
fi

# Installing webserver mongoose for webif
tar -zxf $TEMP_DIR/mongoose.pkg.rPi.tgz -C /

# Adding webserver to autostart 
echo "Adding mongoose to autostart"
update-rc.d mongoose defaults

# Starting webserver mongoose
echo "Start mongoose http server"
/etc/init.d/mongoose start

# Prepare AMA0
sed 's/console=ttyAMA0,115200//; s/kgdboc=ttyAMA0,115200//; s/console=serial0,115200//' /boot/cmdline.txt > /tmp/zway_install_cmdline.txt

# Disable bluetooth Raspberry Pi 3
RPI_BOARD_REVISION=`grep Revision /proc/cpuinfo | cut -d: -f2 | tr -d " "`
if [[ $RPI_BOARD_REVISION ==  "a02082" || $RPI_BOARD_REVISION == "a22082" || $RPI_BOARD_REVISION == "a020d3" ]]
then
	echo "Raspberry Pi 3 Detected. Disabling Bluetooth"
	systemctl disable hciuart
	# Add "dtoverlay=pi3-disable-bt" to /boot/config.txt if needed
	if [[ ! `grep "dtoverlay=pi3-disable-bt" /boot/config.txt` ]]
	then
		echo "Adding 'dtoverlay=pi3-disable-bt' to /boot/config.txt"
		echo "dtoverlay=pi3-disable-bt" >> /boot/config.txt
	fi
fi

# Transform old DevicesData.xml to new format
(cd $ZWAY_DIR && test -x ./z-cfg-update && ls -1 config/zddx/*.xml > /dev/null 2>&1 | LD_LIBRARY_PATH=./libs xargs -l ./z-cfg-update)

if diff /boot/cmdline.txt /tmp/zway_install_cmdline.txt > /dev/null
then
	rm /tmp/zway_install_cmdline.txt
	# Starting z-way-server mongoose
	echo "Starting z-way-server"
	/etc/init.d/z-way-server start
else
	echo "Preparing AMA0 interface:"
	echo " removing 'console=ttyAMA0,115200' and 'kgdboc=ttyAMA0,115200 and 'console=serial0,115200' from kernel command line (/boot/cmdline.txt)"
	mv /tmp/zway_install_cmdline.txt /boot/cmdline.txt
	echo "AMA0 interface reconfigured, please restart Raspberry"
fi

# Make sure to save changes
sync
	
# Subscribe user to news
if [[ "$BOXED" != "yes" ]]
then
	echo "Do you want to receive emails with news about RaZberry project?"
	echo "! Please subscribe again if you did it before 30.03.2013"
	while true
	do
		echo -n "yes/no: "
		read ANSWER < /dev/tty
		case $ANSWER in
			yes)
				echo -n "Enter your email address: "
				read EMAIL < /dev/tty
				curl -d "email=$EMAIL" http://razberry.z-wave.me/subscribe.php
				break
				;;
			no)
				break
				;;
		esac
		echo "Please answer yes or no"
	done
fi

echo "Thank you for using RaZberry!"

exit 0