#!/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.

# A script to extract all markdown files from the Celix main repository
# and copies them to the path specified in ${site_doc_dir}

CELIX_SRC_DIR=celix-src
CELIX_DOC_DIR=source/docs/celix

rm -rf ${CELIX_DOC_DIR}/*

for FILE_PATH in $(cd ${CELIX_SRC_DIR}; find . -name \*.md); do
    # Retrieve file information
    FILE_DIR="$(dirname ${FILE_PATH})"
    FILE_NAME="$(basename ${FILE_PATH})"

    # Copy markdown file to site destination
    mkdir -p ${CELIX_DOC_DIR}/${FILE_DIR}
    cp -v ${CELIX_SRC_DIR}/${FILE_PATH} ${CELIX_DOC_DIR}/${FILE_DIR}

    # Prepend markdown file with Hugo header
    DEST_FILE=${CELIX_DOC_DIR}/${FILE_PATH}
    SECOND_LINE=$(head -n 2 ${DEST_FILE} | tail -n 1)

    if [[ "${SECOND_LINE}" != *"type: celix-doc"* ]]; then
        sed -i "1s;^;---\ntype: celix-doc\ntitle: ${FILE_NAME}\n---\n\n;" ${DEST_FILE}
    fi

    # Replace markdown links with HTML links
    sed -i "s/.md)/.html)/" ${DEST_FILE}
done