#!/bin/bash
# Copyright 2019 gRPC authors.
#
# Licensed 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 -e

uname -a

cd $(dirname $0)
base=$(pwd)
protobuf_base=$base/deps/protobuf

tools_version=$(jq '.version' < package.json | tr -d '"')

# Note: artifacts should not be output in the package directory
out_dir=$base/../../artifacts/grpc-tools/v$tools_version
mkdir -p "$out_dir"

build () {
  cmake_flag=$*

  rm -rf $base/build/bin
  rm -f $base/CMakeCache.txt
  rm -rf $base/CMakeFiles
  rm -f $protobuf_base/CMakeCache.txt
  rm -rf $protobuf_base/CMakeFiles
  cmake $cmake_flag . && cmake --build . --target clean && cmake --build . -- -j 12
  mkdir -p $base/build/bin
  cp -L $protobuf_base/protoc $base/build/bin/protoc
  cp $base/grpc_node_plugin $base/build/bin/
  file $base/build/bin/*
}

artifacts() {
  platform=$1
  arch=$2
  dir=$3

  tar -czf $out_dir/$platform-$arch.tar.gz -C $(dirname $dir) $(basename $dir)
}

case $(uname -s) in
  Linux)
    build -DCMAKE_TOOLCHAIN_FILE=linux_32bit.toolchain.cmake
    artifacts linux ia32 $base/build/bin
    build -DCMAKE_TOOLCHAIN_FILE=linux_64bit.toolchain.cmake
    artifacts linux x64 $base/build/bin
    ;;
  Darwin)
    build -DCMAKE_TOOLCHAIN_FILE=linux_64bit.toolchain.cmake -DCMAKE_OSX_ARCHITECTURES="arm64;x86_64"

    for arch in "x86_64" "arm64"; do
      mkdir $base/build/bin/$arch
      for bin in protoc grpc_node_plugin; do
        lipo -extract x86_64 $base/build/bin/$bin -o $base/build/bin/$arch/$bin
      done
      artifacts darwin $arch $base/build/bin/$arch/
    done
    ;;
esac