#!/bin/bash

function UNINSTALL {

	echo "Removing /etc/eclipse"
	rm -R --interactive=never /etc/eclipse
	groupdel eclipse
	echo "Removing /usr/share/applications/eclipse.desktop"
	rm --interactive=never /usr/share/applications/eclipse.desktop
	echo "Removing /bin/eclipse"
	rm --interactive=never /bin/eclipse
	echo "Done !"
}
function INSTALL {

	echo "Installing"
	echo "Removing old data"
	UNISTALL
tar -zxvf eclipse.tar.gz
mv eclipse /etc
groupadd eclipse
chgrp eclipse /etc/eclipse
chmod ug+rwx /etc/eclipse -R
usermod -a -G $USER kalpo
cp eclipse.png /etc/eclipse 
cat > /usr/share/applications/eclipse.desktop << EOF
[Desktop Entry]
Name=Eclipse
Exec=eclipse
Icon=/etc/eclipse/eclipse.png
Terminal=false
Type=Application
Categories=GNOME;GTK;Development;
EOF
cat > /bin/eclipse << EOF
/etc/eclipse/eclipse
EOF
chgrp eclipse /bin/eclipse
chmod a+rwx /bin/eclipse
echo "Done!!"
}

args=("$@")
i=0
USER="kalpo"
userLetter="-u"
UnInstallLetter="-U"
while [ $i -lt $# ]; do
	#echo ${args[${i}]}
	str=${args[${i}]}
	if [ $str = $userLetter ]; then
		TEMP_USER=${args[${i}+1]}
		if [ ${#TEMP_USER} -gt 0 ]; then
			USER=$TEMP_USER
			let i=i+1
			echo "USER SET: '$USER'"	
		else
			echo "BAD USER SETTING. USING DEFAULT: '$USER'"	
		fi
	elif [ $str = $UnInstallLetter ]; then
		echo "Uninstalling"	
		UNINSTALL
		exit 0;
	fi
	let i=i+1
done
INSTALL