#!/bin/bash

set -ex

cd `dirname $0`/..

if [[ -z "${PROTOC}" ]]; then
  PROTOC=$(pwd)/protoc
fi
if [ ! -f $PROTOC ]; then
  ${BAZEL:-bazel} $BAZEL_STARTUP_FLAGS build -c opt //:protoc $BAZEL_FLAGS
  PROTOC=$(pwd)/bazel-bin/protoc
fi

if [[ -d php/tmp && -z $(find php/tests/proto $PROTOC -newer php/tmp) ]]; then
  # Generated protos are already present and up to date, so we can skip protoc.
  #
  # Protoc is very fast, but sometimes it is not available (like if we haven't
  # built it in Docker). Skipping it helps us proceed in this case.
  echo "Test protos are up-to-date, skipping protoc."
  exit 0
fi

rm -rf php/tmp
mkdir -p php/tmp

find php/tests/proto -type f -name "*.proto"| xargs $PROTOC --php_out=php/tmp -Isrc -Iphp/tests

# Needed because any test proto importing json_options / json_enumvalue_options
# will invoke \GPBMetadata\Google\Protobuf\JsonOptions::initOnce() in its
# generated metadata class.
JSON_OPTIONS_FILES="src/google/protobuf/json_options.proto \
    src/google/protobuf/json_enumvalue_options.proto"
$PROTOC --php_out=php/tmp -Isrc -Iphp/tests $JSON_OPTIONS_FILES

if [ "$1" = "--aggregate_metadata" ]; then
  # Overwrite some of the files to use aggregation.
  AGGREGATED_FILES="tests/proto/test.proto tests/proto/test_include.proto tests/proto/test_import_descriptor_proto.proto"
  $PROTOC --php_out=aggregate_metadata=foo#bar:php/tmp -Isrc -Iphp/tests $AGGREGATED_FILES
fi

echo "Generated test protos from tests/proto -> tmp"