#!/bin/bash

print_help()
{
	echo "SimplePanoramaViewer utility script"
	echo
	echo "Use:"
	echo "  bash utility.sh OPTION [PATH_TO_INSTALL_DIR]"
	echo
	echo "Options:"
	echo "  -i, --install          Install SimplePanoramaViewer in PATH_TO_INSTALL_DIR"
	echo "  -u, --uninstall        Uninstall SimplePanoramaViewer from PATH_TO_INSTALL_DIR"
	echo "  -p, --package          Generate a package for SimplePanoramaViewer"
}

check_dir()
{
	if [ -z "$1" ]; then
	   echo "You need to pass a directory"
	   exit
	fi
}

install()
{
	DESTDIR=$1
	check_dir "$DESTDIR"
	if [ -z "$2" ]; then
		PREFIX=$DESTDIR
	else
		PREFIX="$2"
		DESTDIR=$DESTDIR$PREFIX
		echo $DESTDIR
	fi
	
	mkdir -p "$DESTDIR/share/SimplePanoramaViewer/"
	mkdir -p "$DESTDIR/bin/"
	mkdir -p "$DESTDIR/share/applications"
	mkdir -p "$DESTDIR/share/mime/image"
	cp SimplePanoramaViewer "$DESTDIR/share/SimplePanoramaViewer"
	cp -r css "$DESTDIR/share/SimplePanoramaViewer"
	cp -r html "$DESTDIR/share/SimplePanoramaViewer"
	cp -r js "$DESTDIR/share/SimplePanoramaViewer"
	cp install/SimplePanoramaViewer.desktop "$DESTDIR/share/applications"
	cp install/pjpg.xml "$DESTDIR/share/mime/image"
	echo "#!/bin/bash
$PREFIX/share/SimplePanoramaViewer/SimplePanoramaViewer \"\$@\"" > "$DESTDIR/bin/SimplePanoramaViewer"
	chmod a+x "$DESTDIR/bin/SimplePanoramaViewer"
	chmod -R a+r "$DESTDIR/share/SimplePanoramaViewer"
}

uninstall()
{
	DIR=$1
	check_dir "$DIR"
	
	rm "$DIR/bin/SimplePanoramaViewer"
	rm -r "$DIR/share/SimplePanoramaViewer/"
	rm "$DIR/share/applications/SimplePanoramaViewer.desktop"
	rm "$DIR/share/mime/image/pjpg.xml"
}

package()
{
	DIR="/tmp/SimplePanoramaViewer"
	
	mkdir "$DIR"
	cp SimplePanoramaViewer "$DIR"
	cp -r css "$DIR"
	cp -r html "$DIR"
	cp -r js "$DIR"
	chmod a+x "$DIR/SimplePanoramaViewer"
	
	mkdir -p dist
	cd /tmp || exit
	tar Jcvf "SimplePanoramaViewer.tar.xz" "SimplePanoramaViewer"
	
	cd - || exit
	cp -f "$DIR.tar.xz" dist
	
	rm -r "$DIR"
	rm "$DIR.tar.xz"
}

case "$1" in
	"-h" | "--help")
		print_help
		;;
	"-i" | "--install")
		install "$2" "$3"
		;;
	"-u" | "--uninstall")
		uninstall "$2"
		;;
	"-p" | "--package")
		package
		;;
	*)
		print_help
		;;
esac