# 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.
################################################################################

#!/bin/bash

# Fail on any error.
set -e

# Display commands to stderr.
set -x

readonly MVN_GOAL="$1"
readonly VERSION="$2"
shift 2
readonly EXTRA_MAVEN_ARGS=("$@")

if [ -z "${VERSION}" ]
then
  echo "Must set the VERSION variable"
  exit 1
fi

declare -a GIT_ARGS
GIT_ARGS=(-c user.email=noreply@google.com -c user.name="Tink Team")

library_output_file() {
  library="$1"
  library_output="bazel-bin/${library}"
  if [[ ! -e "${library_output}" ]]; then
     library_output="bazel-genfiles/${library}"
  fi
  if [[ ! -e "${library_output}" ]]; then
    echo "Could not find bazel output file for ${library}"
    exit 1
  fi
  echo -n "${library_output}"
}

deploy_library() {
  library_name="$1"
  library="$2"
  srcjar="$3"
  javadoc="$4"
  pomfile="$5"
  bazel build "${library}" "${srcjar}" "${javadoc}"

  # Update the version
  sed -i \
    's/VERSION_PLACEHOLDER/'"${VERSION}"'/' \
    "${pomfile}"

  mvn "${MVN_GOAL}" \
    -Dfile="$(library_output_file ${library})" \
    -Dsources="$(library_output_file ${srcjar})" \
    -Djavadoc="$(library_output_file ${javadoc})" \
    -DpomFile="$pomfile" \
    "${EXTRA_MAVEN_ARGS[@]:+${EXTRA_MAVEN_ARGS[@]}}"

  # Reverse the version change
  sed -i \
    's/'"${VERSION}"'/VERSION_PLACEHOLDER/' \
    "${pomfile}"

  publish_javadoc_to_github_pages "${library_name}" "${javadoc}"
}

publish_javadoc_to_github_pages() {
  library_name="$1"
  javadoc="$(library_output_file "$2")"

  # The account is ise-crypto and its access token is pulled from Keystore.
  local git_url
  git_url="https://ise-crypto:${GITHUB_ACCESS_TOKEN}@github.com/google/tink.git"
  if [ -z "${KOKORO_ROOT}" ]; then
    git_url="git@github.com:google/tink.git"
  fi

  rm -rf gh-pages
  git "${GIT_ARGS[@]}" \
    clone --quiet --branch=gh-pages "${git_url}" gh-pages > /dev/null

  cd gh-pages
  if [ -d "javadoc/${library_name}/${VERSION}" ]; then
    git "${GIT_ARGS[@]}" rm -rf "javadoc/${library_name}/${VERSION}"
  fi
  mkdir -p "javadoc/${library_name}/${VERSION}"

  unzip "../${javadoc}" -d "javadoc/${library_name}/${VERSION}"
  rm -rf "javadoc/${library_name}/${VERSION}/META-INF/"
  git "${GIT_ARGS[@]}" add -f "javadoc/${library_name}/${VERSION}"
  if [[ "$(git "${GIT_ARGS[@]}" status --porcelain)" ]]; then
    # Changes
    git "${GIT_ARGS[@]}" \
      commit -m "${library_name}-${VERSION} Javadoc auto-pushed to gh-pages"
    git "${GIT_ARGS[@]}" push -fq origin gh-pages > /dev/null
    echo -e "Published Javadoc to gh-pages.\n"
  else
    # No changes
    echo -e "No changes in ${library_name}-${VERSION} Javadoc.\n"
  fi
  cd ..
}

deploy_library \
  tink \
  java/tink.jar \
  java/tink-src.jar \
  java/tink-javadoc.jar \
  $(dirname $0)/tink.pom.xml

deploy_library \
  tink-awskms \
  java/tink-awskms.jar \
  java/tink-awskms-src.jar \
  java/tink-awskms-javadoc.jar \
  $(dirname $0)/tink-awskms.pom.xml

deploy_library \
  tink-gcpkms \
  java/tink-gcpkms.jar \
  java/tink-gcpkms-src.jar \
  java/tink-gcpkms-javadoc.jar \
  $(dirname $0)/tink-gcpkms.pom.xml

deploy_library \
  tink-android \
  java/tink-android.jar \
  java/tink-android-src.jar \
  java/tink-android-javadoc.jar \
  $(dirname $0)/tink-android.pom.xml

deploy_library \
  apps-paymentmethodtoken \
  apps/paymentmethodtoken/maven.jar \
  apps/paymentmethodtoken/maven-src.jar \
  apps/paymentmethodtoken/maven-javadoc.jar \
  $(dirname $0)/apps-paymentmethodtoken.pom.xml

deploy_library \
  apps-rewardedads \
  apps/rewardedads/maven.jar \
  apps/rewardedads/maven-src.jar \
  apps/rewardedads/maven-javadoc.jar \
  $(dirname $0)/apps-rewardedads.pom.xml

deploy_library \
  apps-webpush \
  apps/webpush/maven.jar \
  apps/webpush/maven-src.jar \
  apps/webpush/maven-javadoc.jar \
  $(dirname $0)/apps-webpush.pom.xml