#!/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.
#
set -ex

# you might need sudo to run this script
if [ -z ${OPENRESTY_PREFIX} ]; then
    OPENRESTY_PREFIX="/usr/local/openresty"
fi

LUAROCKS_VER=3.12.0
wget -q https://github.com/luarocks/luarocks/archive/v"$LUAROCKS_VER".tar.gz
tar -xf v"$LUAROCKS_VER".tar.gz
rm -f v"$LUAROCKS_VER".tar.gz
cd luarocks-"$LUAROCKS_VER" || exit

OR_BIN="$OPENRESTY_PREFIX/bin/openresty"
OR_VER=$($OR_BIN -v 2>&1 | awk -F '/' '{print $2}' | awk -F '.' '{print $1 * 100 + $2}')
if [[ -e $OR_BIN && "$OR_VER" -ge 119 ]]; then
    WITH_LUA_OPT="--with-lua=${OPENRESTY_PREFIX}/luajit"
else
    # For old version OpenResty, we still need to install LuaRocks with Lua
    WITH_LUA_OPT=
fi

./configure $WITH_LUA_OPT \
    > build.log 2>&1 || (cat build.log && exit 1)

make build > build.log 2>&1 || (cat build.log && exit 1)
sudo make install > build.log 2>&1 || (cat build.log && exit 1)
cd .. || exit
rm -rf luarocks-"$LUAROCKS_VER"

mkdir ~/.luarocks || true

# For old version OpenResty, we still need to install LuaRocks with Lua
OPENSSL_PREFIX=${OPENRESTY_PREFIX}/openssl
if [ -d ${OPENRESTY_PREFIX}/openssl3 ]; then
    OPENSSL_PREFIX=${OPENRESTY_PREFIX}/openssl3
elif [ -d ${OPENRESTY_PREFIX}/openssl111 ]; then
    OPENSSL_PREFIX=${OPENRESTY_PREFIX}/openssl111
fi

[ ! -d ${OPENSSL_PREFIX} ] && echo "Warning: the path ${OPENSSL_PREFIX} is not found."

FOUND_PATH=$(echo "${PATH}" | grep -oP '(?<=:|)/usr/local/bin(?=:|)') || true
if [[ "${FOUND_PATH}" == "" ]]; then
   echo "Warning: the path /usr/local/bin is not included in the system default PATH variable."
   export PATH=$PATH:/usr/local/bin
fi

luarocks config variables.OPENSSL_LIBDIR ${OPENSSL_PREFIX}/lib
luarocks config variables.OPENSSL_INCDIR ${OPENSSL_PREFIX}/include
luarocks config variables.YAML_DIR /usr