#!/bin/bash
# Copyright 2016 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 -ex

cd $(dirname $0)/../../..

base=$(pwd)

mkdir -p artifacts/

# All the ruby packages have been built in the artifact phase already
# and we only collect them here to deliver them to the distribtest phase.
cp -r $EXTERNAL_GIT_ROOT/platform={windows,linux,macos}/artifacts/ruby_native_gem_*/* artifacts/ || true

well_known_protos=( any api compiler/plugin descriptor duration empty field_mask source_context struct timestamp type wrappers )

# TODO: all the artifact builder configurations generate a grpc-VERSION.gem
# source distribution package, and only one of them will end up
# in the artifacts/ directory. They should be all equivalent though.

for arch in {x86,x64}; do
  case $arch in
    x64)
      ruby_arch=x86_64
      ;;
    *)
      ruby_arch=$arch
      ;;
  esac
  for plat in {windows,linux,macos}; do
    input_dir="$EXTERNAL_GIT_ROOT/platform=${plat}/artifacts/protoc_${plat}_${arch}"
    output_dir="$base/src/ruby/tools/bin/${ruby_arch}-${plat}"
    mkdir -p $output_dir/google/protobuf
    mkdir -p $output_dir/google/protobuf/compiler  # needed for plugin.proto
    cp $input_dir/protoc* $output_dir/
    cp $input_dir/grpc_ruby_plugin* $output_dir/
    for proto in "${well_known_protos[@]}"; do
      cp $base/third_party/protobuf/src/google/protobuf/$proto.proto $output_dir/google/protobuf/$proto.proto
    done
  done
done

cd $base/src/ruby/tools
gem build grpc-tools.gemspec
cp ./grpc-tools*.gem $base/artifacts/