image: "node:12-slim"

stages:
  - test
  - artifact
  - release

before_script:
  # Install dependencies
  - apt-get update
  - apt-get install -y git python3 build-essential libxtst6

  # Prepare Chrome for puppeteer
  - apt-get install -y wget gnupg
  - wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add -
  - sh -c 'echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list'
  - apt-get update
  - apt-get install -y google-chrome-stable fonts-ipafont-gothic fonts-wqy-zenhei fonts-thai-tlwg fonts-kacst fonts-freefont-ttf libxss1 --no-install-recommends

# Build Send, run npm tests
test:
  stage: test
  script:
    - npm ci
    - npm run lint
    - npm test

# Build Docker image, export Docker image artifact
artifact-docker:
  stage: artifact
  image: docker:latest
  needs: []
  services:
    - docker:dind
  variables:
    IMG_FILE: "send:git-$CI_COMMIT_SHA.tar"
    IMG_NAME: "send:git-$CI_COMMIT_SHA"
  before_script: []
  script:
    - docker build -t $IMG_NAME .
    - docker image save -o $IMG_FILE $IMG_NAME
  artifacts:
    paths:
      - $IMG_FILE
    expire_in: 1 week

# Release public Docker image for the master branch
release-docker-master:
  stage: release
  image: docker:latest
  dependencies:
    - artifact-docker
  services:
    - docker:dind
  only:
    - master
  variables:
    IMG_IMPORT_FILE: "send:git-$CI_COMMIT_SHA.tar"
    IMG_IMPORT_NAME: "send:git-$CI_COMMIT_SHA"
    IMG_NAME: "registry.gitlab.com/timvisee/send:master-$CI_COMMIT_SHA"
  before_script: []
  script:
    # Login in to registry
    - 'docker login registry.gitlab.com -u $DOCKER_USER -p $DOCKER_PASS'

    # Load existing, retag for new image images
    - docker image load -i $IMG_IMPORT_FILE
    - docker tag $IMG_IMPORT_NAME $IMG_NAME

    # Publish tagged image
    - docker push $IMG_NAME

    - 'echo "Docker image artifact published, available as:" && echo "  docker pull $IMG_NAME"'

# Release public Docker image for a version tag
release-docker:
  stage: release
  image: docker:latest
  dependencies:
    - artifact-docker
  services:
    - docker:dind
  only:
    - /^v(\d+\.)*\d+$/
  variables:
    IMG_IMPORT_FILE: "send:git-$CI_COMMIT_SHA.tar"
    IMG_IMPORT_NAME: "send:git-$CI_COMMIT_SHA"
    IMG_NAME: "registry.gitlab.com/timvisee/send:$CI_COMMIT_REF_NAME"
    IMG_NAME_LATEST: "registry.gitlab.com/timvisee/send:latest"
  before_script: []
  script:
    # Login in to registry
    - 'docker login registry.gitlab.com -u $DOCKER_USER -p $DOCKER_PASS'

    # Load existing, retag for new image images
    - docker image load -i $IMG_IMPORT_FILE
    - docker tag $IMG_IMPORT_NAME $IMG_NAME
    - docker tag $IMG_IMPORT_NAME $IMG_NAME_LATEST

    # Publish tagged image
    - docker push $IMG_NAME
    - docker push $IMG_NAME_LATEST

    - 'echo "Docker image artifact published, available as:" && echo "  docker pull $IMG_NAME_LATEST" && echo "  docker pull $IMG_NAME"'