#!/usr/bin/env bash
################################################################################
#  Licensed to the Apache Software Foundation (ASF) under one
#  or more contributor license agreements.  See the NOTICE file
#  distributed with this work for additional information
#  regarding copyright ownership.  The ASF licenses this file
#  to you under the Apache License, Version 2.0 (the
#  "License"); you may not use this file except in compliance
#  with the License.  You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
# limitations under the License.
################################################################################


HAS_JEKYLL=true

command -v jekyll > /dev/null
if [ $? -ne 0 ]; then
	echo -n "ERROR: Could not find jekyll. "
	echo "Please install with 'gem install jekyll' (see http://jekyllrb.com)."

	HAS_JEKYLL=false
fi

command -v redcarpet > /dev/null
if [ $? -ne 0 ]; then
	echo -n "WARN: Could not find redcarpet. "
	echo -n "Please install with 'sudo gem install redcarpet' (see https://github.com/vmg/redcarpet). "
	echo "Redcarpet is needed for Markdown parsing and table of contents generation."
fi

command -v pygmentize > /dev/null
if [ $? -ne 0 ]; then
	echo -n "WARN: Could not find pygments. "
	echo -n "Please install with 'sudo easy_install Pygments' (requires Python; see http://pygments.org). "
	echo "Pygments is needed for syntax highlighting of the code examples."
fi

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

DOCS_SRC=${DIR}
DOCS_DST=${DOCS_SRC}/target

# default jekyll command is to just build site
JEKYLL_CMD="build"

# if -p flag is provided, serve site on localhost
while getopts ":p" opt; do
	case $opt in
		p)
		JEKYLL_CMD="serve --config _config.yml,_local_preview_conf.yml --watch"
		;;
	esac
done

if $HAS_JEKYLL; then
	jekyll ${JEKYLL_CMD} --source ${DOCS_SRC} --destination ${DOCS_DST}
fi