# Copyright 2020 Google Inc.
#
# 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.

name: Release Candidate

on:
  # Only run the workflow when a PR is updated or when a developer explicitly requests
  # a build by sending a 'firebase_build' event.
  pull_request:
    types: [opened, synchronize, closed]

  repository_dispatch:
    types:
      - firebase_build

jobs:
  stage_release:
    # To publish a release, merge the release PR with the label 'release:publish'.
    # To stage a release without publishing it, send a 'firebase_build' event or apply
    # the 'release:stage' label to a PR.
    if: github.event.action == 'firebase_build' ||
      contains(github.event.pull_request.labels.*.name, 'release:stage') ||
      (github.event.pull_request.merged &&
        contains(github.event.pull_request.labels.*.name, 'release:publish'))

    runs-on: ubuntu-latest

    # When manually triggering the build, the requester can specify a target branch or a tag
    # via the 'ref' client parameter.
    steps:
    - name: Checkout source for staging
      uses: actions/checkout@v4
      with:
        ref: ${{ github.event.client_payload.ref || github.ref }}

    - name: Set up JDK 8
      uses: actions/setup-java@v4
      with:
        distribution: 'zulu'
        java-version: 8

    - name: Compile, test and package
      run: ./.github/scripts/package_artifacts.sh
      env:
        FIREBASE_SERVICE_ACCT_KEY: ${{ secrets.FIREBASE_SERVICE_ACCT_KEY }}
        FIREBASE_API_KEY: ${{ secrets.FIREBASE_API_KEY }}

    # Attach the packaged artifacts to the workflow output. These can be manually
    # downloaded for later inspection if necessary.
    - name: Archive artifacts
      uses: actions/upload-artifact@v4
      with:
        name: dist
        path: dist

  publish_release:
    needs: stage_release

    # Check whether the release should be published. We publish only when the trigger PR is
    #   1. merged
    #   2. to the master branch
    #   3. with the label 'release:publish', and
    #   4. the title prefix '[chore] Release '.
    if: github.event.pull_request.merged &&
      github.ref == 'refs/heads/master' &&
      contains(github.event.pull_request.labels.*.name, 'release:publish') &&
      startsWith(github.event.pull_request.title, '[chore] Release ')

    runs-on: ubuntu-latest

    steps:
    - name: Checkout source for publish
      uses: actions/checkout@v4

    - name: Set up JDK 8
      uses: actions/setup-java@v4
      with:
        distribution: 'zulu'
        java-version: 8

    - name: Publish preflight check
      id: preflight
      run: ./.github/scripts/publish_preflight_check.sh

    - name: Publish to Maven Central
      run: ./.github/scripts/publish_artifacts.sh
      env:
        GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
        GPG_PRIVATE_KEY: ${{ secrets.GPG_PRIVATE_KEY }}
        NEXUS_OSSRH_USERNAME: ${{ secrets.NEXUS_OSSRH_USERNAME }}
        NEXUS_OSSRH_PASSWORD: ${{ secrets.NEXUS_OSSRH_PASSWORD }}

    # See: https://cli.github.com/manual/gh_release_create
    - name: Create release tag
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      run: gh release create ${{ steps.preflight.outputs.version }}
            --title "Firebase Admin Java SDK ${{ steps.preflight.outputs.version }}"
            --notes '${{ steps.preflight.outputs.changelog }}'

    # Post to Twitter if explicitly opted-in by adding the label 'release:tweet'.
    - name: Post to Twitter
      if: success() &&
        contains(github.event.pull_request.labels.*.name, 'release:tweet')
      uses: firebase/firebase-admin-node/.github/actions/send-tweet@master
      with:
        status: >
          ${{ steps.preflight.outputs.version }} of @Firebase Admin Java SDK is available.
          https://github.com/firebase/firebase-admin-java/releases/tag/${{ steps.preflight.outputs.version }}
        consumer-key: ${{ secrets.TWITTER_CONSUMER_KEY }}
        consumer-secret: ${{ secrets.TWITTER_CONSUMER_SECRET }}
        access-token: ${{ secrets.TWITTER_ACCESS_TOKEN }}
        access-token-secret: ${{ secrets.TWITTER_ACCESS_TOKEN_SECRET }}
      continue-on-error: true
