#!/bin/bash

# Copyright 2022 Google LLC

#

# 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

#

# https://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

SERVICE=$1

VARIANT=$2

ROOT_DIR=$(realpath $(dirname "${BASH_SOURCE[0]}")/../../../)

LATEST_VARIANT=2.0.0

if [[ -z "${SERVICE}" ]]

then

echo "Usage: ${0} <service> [variant]"

exit 1

fi

# Default to use the latest variant

if [[ -z "${VARIANT}" ]]

then

VARIANT=${LATEST_VARIANT}

fi

# Install the local generator without dependencies first and then install the dependencies with hash checking.

python2 -m pip install --no-deps -e ${ROOT_DIR}/google-api-java-client-services/generator --user -q

python2 -m pip install --require-hashes -r ${ROOT_DIR}/google-api-java-client-services/generator/generator_requirements.txt --user

pushd ${ROOT_DIR}/discovery-artifact-manager

for DISCOVERY in `ls discoveries/${SERVICE}.*.json`

do

VERSION=$(basename ${DISCOVERY} | sed 's/\.json//' | cut -d. -f2-)

TARGET_DIR=${ROOT_DIR}/google-api-java-client-services/clients/google-api-services-${SERVICE}/${VERSION}/${VARIANT}

OUTPUT_DIR=$(mktemp -d)

echo ${DISCOVERY}

echo ${VERSION}

echo ${OUTPUT_DIR}

# run the local generator

python2 -m googleapis.codegen \

--output_dir=${OUTPUT_DIR} \

--input=${DISCOVERY} \

--language=java \

--language_variant=${VARIANT} \

--package_path=api/services

if [ $(find "${OUTPUT_DIR}" -mindepth 1 | wc -l) == '0' ]; then

echo 'the generation produced no files'

exit 1

fi

# for new libraries, we create the destination folder

mkdir -p "${TARGET_DIR}"

# transfer generated source into the wiped-out service's source folder

rm -rdf ${TARGET_DIR}/*

cp -r ${OUTPUT_DIR}/* "${TARGET_DIR}"

# Copy the latest variant's README to the main service location

# Generation of libraries with older variants should not update the root README

cp ${ROOT_DIR}/google-api-java-client-services/clients/google-api-services-${SERVICE}/${VERSION}/${LATEST_VARIANT}/README.md ${ROOT_DIR}/google-api-java-client-services/clients/google-api-services-${SERVICE}/${VERSION}/README.md

done