#!/bin/bash
#Based on lyshie's scripts at https://gist.github.com/lyshie/0c49393076b8b375ca1bd98c28f95fb0

ACTION="$1"
PKG="$2"
APP_PATH="/var/cache/epi-downloads/"
TAR_PATH="/tmp/scratch_tmp/"
PACKAGE_NAME="edu.media.mit.scratch2editor"
VERSION="Scratch-desktop.exe"
TAR="Scratch-latest.tar"
LOG_FILE="/tmp/Install.log"
URL_SCRATCH="http://lliurex.net/recursos-edu/misc/"
NODE_PATH=$(npm root -g)
SCRATCH_PATH="/tmp/scratch-desktop/"

case $ACTION in

	testInstall)
		exit 0
	;;

	getStatus)
		case $PKG in
			scratch-desktop)

				TEST=$( dpkg-query -s $PACKAGE_NAME 2> /dev/null| grep Status | cut -d " " -f 4 )
				if [ "$TEST" == 'installed' ]; then
					echo "0"
				else
					echo "1"
				fi
			;;
		esac	
						

	;;

	preInstall)
		apt install npm p7zip-full -y
#		wget $URL_SCRATCH$VERSION -O ${APP_PATH}/${VERSION}
#		if [ $? != 0 ]
#		then
#			exit 1
#		fi
	;;

	installPackage)
		[ -e /usr/bin/node ] || ln -s /usr/bin/nodejs /usr/bin/node
		npm install -g electron@4.1.4 --save-dev
		######## extract scratch-desktop
		rm -rf $SCRATCH_PATH
		mkdir $SCRATCH_PATH
		rm -rf $TAR_PATH
		mkdir $TAR_PATH

#		wget -O $SCRATCH_PATH.exe 'https://downloads.scratch.mit.edu/desktop/Scratch%20Desktop%20Setup%203.6.0.exe'
		tar -xf $APP_PATH$TAR -C $TAR_PATH
		7za x -aoa -y $TAR_PATH$VERSION -o$SCRATCH_PATH #$SCRATCH_PATH.exe -o$SCRATCH_PATH
		######## create electron app
		cp -rf $NODE_PATH/electron/dist/* $SCRATCH_PATH/
		ln -fsr $SCRATCH_PATH/electron $SCRATCH_PATH/scratch-desktop
		

		######## fix permissions
		chmod 755 $SCRATCH_PATH/locales
		chmod 755 $SCRATCH_PATH/swiftshader
		chmod 755 $SCRATCH_PATH/resources
		chmod 755 $SCRATCH_PATH/resources/static
		chmod 755 $SCRATCH_PATH/resources/static/assets


		######## get application icon
#		wget -O $SCRATCH_PATH/resources/Icon.png 'https://scratch.mit.edu/images/download/icon.png
		cp $TAR_PATH/Icon.png $SCRATCH_PATH/resources/Icon.png


		######## create deb package
		npm install -g electron-installer-debian@0.6.0
#		wget -O /tmp/config-deb.json 'https://gist.githubusercontent.com/lyshie/0c49393076b8b375ca1bd98c28f95fb0/raw/223cc112d99c3bdc1829fc25b19c260856134a82/config-deb.json'
		/usr/local/bin/electron-installer-debian --config $TAR_PATH/config-deb.json
		dpkg -i /tmp/scratch-desktop_3.6.0_amd64.deb || exit 1


	;;

	remove)
		echo "Removing files..."
		apt remove scratch-desktop

	;;
	
		
esac

exit 0