#!/bin/bash


# Note: this script works on debian 7/wheezy and debian 8/jessie
#
# If running on a raspberry 1(A/B) raspian/wheezy - downgrade node.js to 5.4.0
# Please note that raspian/wheezy for arm defaults to gcc 4.6
# <strike>gcc 4.7</strike> is needed for compiling node-js modules
# 2017-01-03 gcc 4.8 is required

BRANCH=stable


###################################
# Exit bash if a command fails
set -e
# also exit if a part of a pipe fails
set -o pipefail



function restartxo {
	killall -9 node
	rm -f /root/forever.log
	forever start -l /root/forever.log /root/xo-server/bin/xo-server
}

if [ "$1" == "restart" ] ; then
	restartxo
	exit
fi


phymem=$(free -m|awk '/^Mem:/{print $2}')
swapmem=$(free -m|awk '/^Swap:/{print $2}')
total=$(expr $phymem + $swapmem)
if [ $total -le 1536 ] ; then
	echo not enough memory: $total
	exit
fi

if [ "$1" == "clean" ] ; then
	echo cleaning xo-web
	rm -rf xo-web

#	echo cleaning xo-web-v4
#	rm -rf xo-web-v4

	echo cleaning xo-server
	rm -rf xo-server

	echo cleaning .npm
	rm -rf .npm

	echo cleaning .node-gyp
	rm -rf .node-gyp

	echo cleaning .cache
	rm -rf .cache

	echo cleaning .forever
	rm -rf .forever
	rm -rf forever.log


	echo done
	exit
fi


if [ ! -x "/usr/bin/curl" ] ; then
	echo "installing curl"
	apt-get install curl || exit
fi

if [ ! -x "/usr/bin/gcc" ] ; then
	echo "installing build-essential"
	apt-get install  build-essential || exit
fi

if [ ! -f "/usr/include/libpng12/png.h" ] ; then
	echo "installing libpng"
	apt-get install libpng12-dev || exit
fi

if [ ! -x "/usr/bin/redis-server" ] ; then
	echo "installing redis-server"
	apt-get install  redis-server || exit
fi

if [ ! -x "/usr/bin/git" ] ; then
	echo "installing git"
	apt-get install git || exit
fi


if [ ! -x "/usr/local/bin/n" ] ; then
	echo "installing node.js bootstrap"
	curl -o /usr/local/bin/n https://raw.githubusercontent.com/visionmedia/n/master/bin/n || exit
	chmod +x /usr/local/bin/n
fi

if [ ! -x "/usr/local/bin/node" ] ; then
	echo "installing node.js"
	n lts || exit
fi

if [ ! -x "/usr/local/bin/gulp" ] ; then
	echo "installing gulp"
	npm install -g gulp || exit
fi

if [ ! -x "/usr/local/bin/forever" ] ; then
	echo "installing forever"
	npm install -g forever || exit
fi

if [ ! -x "/usr/local/bin/node-gyp" ] ; then
	echo "installing node-gyp"
	npm install -g node-gyp || exit
fi

if [ ! -d "/usr/local/lib/node_modules/bcrypt" ] ; then
	echo "installing bcrypt"
	npm install -g --unsafe-perm bcrypt || exit
fi

if [ ! -d "xo-web" ] ; then 
	git clone -b $BRANCH https://github.com/vatesfr/xo-web.git
else
	cd xo-web
	git pull
	cd ..
fi

#if [ ! -d "xo-web-v4" ] ; then
#	git clone -b $BRANCH https://github.com/vatesfr/xo-web.git xo-web-v4
#	cd xo-web-v4
#	git checkout tags/v4.16.0
#	cd ..
#fi

if [ ! -d "xo-server" ] ; then 
	git clone -b $BRANCH https://github.com/vatesfr/xo-server.git
else
	cd xo-server
	git pull
	cd ..
fi


# xo-server
echo "building xo-server"
cd xo-server
	npm install --unsafe-perm || exit
	npm run build || exit

	#for some reasone leveldown  fails occasionally on arm/raspberry pi
	if [ ! -d "/root/xo-server/node_modules/leveldown/build" ] ; then
		pushd node_modules/leveldown
		node-gyp configure || exit
		node-gyp build || exit
		popd
	fi
cd ..



#xo-web
echo "building xo-web"
cd xo-web
	#npm install --unsafe-perm || exit
	npm install || exit
	npm run build || exit
cd ..

##xo-web-v4
#echo "building xo-web-v4"
#cd xo-web-v4
#	npm install || exit
#	npm run build || exit
#cd ..



#if [ ! -f xo-web/dist/styles/main.css ] ; then
#	mkdir xo-web/dist/styles
#	mkdir xo-web/dist/images
#
#	cp xo-web-v4/dist/styles/main.css xo-web/dist/styles/main.css
#	cp xo-web-v4/dist/images/logo_small.png xo-web/dist/images/logo_small.png
#fi


if [ ! -f "/etc/xo-server/config.yaml" ] ; then
	if  [ ! -d "/etc/xo-server" ] ; then
		mkdir /etc/xo-server
	fi

	echo "please setup /etc/xo-server/config.yaml"
	exit
fi

echo Installing plugins
npm install --global xo-server-transport-email
npm install --global xo-server-transport-xmpp
npm install --global xo-server-backup-reports

#npm install --save xo-server-usage-report


#restartxo