version: 2.1
orbs:
  node: circleci/node@5

aliases:
  - &release-branches
    - master
    - develop
    - /^hotfix\//

executors:
  default-executor:
    docker:
      - image: cimg/node:16.18.1 # Consider switching to LTS when scratch-audio supports that version
    working_directory: ~/project
    resource_class: medium

commands:
  test:
    steps:
      - run:
          name: Test
          command: npm run test
  setup_deploy:
    steps:
      - run:
          name: Setup Deploy
          command: |
            export NODE_ENV=production
            export RELEASE_TIMESTAMP=$(date +'%Y%m%d%H%M%S')
            echo "export NPM_TAG=latest" >> $BASH_ENV
            npm run build
            if [ -z "$BEFORE_DEPLOY_RAN" ]; then
                VPKG=$($(npm bin)/json -f package.json version)
                VERSION=${VPKG}-prerelease.${RELEASE_TIMESTAMP}
                echo "export RELEASE_VERSION=${VPKG}-prerelease.${RELEASE_TIMESTAMP}" >> $BASH_ENV
                npm --no-git-tag-version version $VERSION
                if [[ "$CIRCLE_BRANCH" == hotfix/* ]]; then # double brackets are important for matching the wildcard
                    echo "export NPM_TAG=hotfix" >> $BASH_ENV
                fi
                git config --global user.email "$(git log --pretty=format:"%ae" -n1)"
                git config --global user.name "$(git log --pretty=format:"%an" -n1)"
                echo "export BEFORE_DEPLOY_RAN=true" >> $BASH_ENV
            fi
  deploy:
    steps:
      - run:
          name: Deploy
          command: |
            echo "Deploying version $RELEASE_VERSION to $NPM_TAG"
            npm set //registry.npmjs.org/:_authToken=$NPM_TOKEN
            npm publish --tag $NPM_TAG
            if npm info | grep -q $RELEASE_VERSION; then git tag $RELEASE_VERSION && git push https://${GH_TOKEN}@github.com/${CIRCLE_PROJECT_USERNAME}/${CIRCLE_PROJECT_REPONAME}.git $RELEASE_VERSION; fi

jobs:
  build-and-test:
    executor: default-executor
    steps:
      - checkout
      - node/install-packages
      - test
      - persist_to_workspace:
          root: ~/project
          paths:
            - .
  deploy:
    executor: default-executor
    steps:
      - attach_workspace:
          at: ~/project
      - setup_deploy
      - deploy

workflows:
  build-and-test-workflow:
    jobs:
      - build-and-test:
          filters:
            branches:
              ignore: *release-branches
  deploy-workflow:
    jobs:
      - build-and-test:
          filters:
            branches:
              only: *release-branches
      - deploy:
          context:
            - scratch-npm-creds
          requires:
            - build-and-test