#!/bin/bash

set -eu

APP_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

numcpus() {
	cat /proc/cpuinfo | grep '^processor' | wc -l
}

buildsite() {

	echo "Site: ${1}"

	pushd "$1" >/dev/null

	echo "Cleaning wwwroot directory..."

	if [[ -d wwwroot ]] ; then
		rm -r wwwroot
	fi	
	mkdir -p wwwroot/srv
	
	echo "Copying static resources..."
	
	if [[ ! -d static ]] ; then
		mkdir static
	fi
	cp "${APP_DIR}/static/"* wwwroot || true
	cp static/* wwwroot || true
	
	for htm in footer header homepage_blurb ; do
		if [[ ! -f "${htm}.htm" ]] ; then
			touch "${htm}.htm"
		fi
	done

	echo "Building pages..."

	local threadcount=$(numcpus)
	for i in $(seq 0 "$threadcount") ; do
		php "${APP_DIR}/rebuild.php" "$threadcount" "$i" &
	done
	wait

	echo "Site: ${1} finished."
	echo ""
		
	popd >/dev/null
}

usage() {
	echo "USAGE: ./rebuild.sh path-to-siteroot"
	exit 1
}

main() {
	if [[ $# -ne 1 ]] ; then
		usage
	fi
	
	buildsite "$1"
}

main "$@"

read -p "Press any key to continue..."