setup

#!/bin/bash

function main {
    which npm >/dev/null || (echo "Node.JS is not present" && exit 1)
    which grunt >/dev/null || (echo "Grunt is not present : npm install -g grunt-cli" && exit 1)
    if [ ! -d "reveal.js" ] || [ "$FORCE" == TRUE ]; then
	echo "First setup might take a while ..."
	rm -Rf reveal.js
	git submodule init
	git submodule update
	if [ ! -d "reveal.js/node_modules" ] || [ "$FORCE" == TRUE ]; then
		echo "Fetching and builing dependencies"
		cd reveal.js
		sudo npm install
		cd -
	fi
    fi
    if [ -e "reveal.js/index.html" ]; then
	if [ ! -h "reveal.js/index.html" ]; then
	    rm -Rf reveal.js/index.html
	    ln -s ../index.html reveal.js/index.html
	fi
    else
	ln -s ../index.html reveal.js/index.html
    fi
    if [ ! -d "reveal.js/images" ]; then
        rm -Rf reveal.js/images
        ln -s ../images reveal.js/images
    else
        ln -s ../images reveal.js/images
    fi
}
while getopts ":f" opt; do
  case $opt in
    f)
	  FORCE=TRUE && echo "Will force setup"
      ;;
    \?)
	  FORCE=FALSE
      ;;
  esac
done
main