version: 2
workflows:
  version: 2
  build-and-deploy:
    jobs:
    - build:
        filters:
          tags:
            ignore: /.*/
          branches:
            ignore: /gh-pages/
    - unit_tests:
        filters:
          tags:
            ignore: /.*/
          branches:
            ignore: /gh-pages/
    - deploy_staging:
        filters:
          branches:
            only: master
    - deploy_prod:
        filters:
          branches:
            ignore: /.*/
          tags:
            only: /v[0-9]+(\.[0-9]+)*/

#==================================================================================================
# Anchors
#==================================================================================================
defaults: &default_docker_image_and_directory
  working_directory: ~/noah-ui
  docker:
  # If you need to update this image update the image tag below
  # with a tag from https://hub.docker.com/r/circleci/node/tags/
  - image: circleci/node:8.12.0-browsers

anchor_1: &restore_yarn_cache
  restore_cache:
    keys:
    - v2-yarn-{{ .Branch }}-{{ checksum "yarn.lock" }}
    - v2-yarn-{{ .Branch }}
    - v2-yarn

anchor_2: &save_yarn_cache
  save_cache:
    key: v2-yarn-{{ .Branch }}-{{ checksum "yarn.lock" }}
    paths:
    - /home/circleci/.cache/yarn
    - /home/circleci/.yarn-cache

anchor_3: &yarn_install
  run: yarn install --pure-lockfile --no-progress --non-interactive --check-files

anchor_4: &rebuild_node_sass
  run: npm rebuild node-sass

anchor_5: &create_npmrc
  run:
    name: Set and authenticate with registry
    command: |
      echo "${NPMRC}" | base64 --decode > ~/.npmrc
    #--------------------------------------------------------------------------------------------------
jobs:
  build:
    <<: *default_docker_image_and_directory
    steps:
    - checkout
    - *create_npmrc
    - *restore_yarn_cache
    - *yarn_install
    - *rebuild_node_sass
    - *save_yarn_cache
    - run: yarn run build
  unit_tests:
    <<: *default_docker_image_and_directory
    steps:
    - checkout
    - *create_npmrc
    - *restore_yarn_cache
    - *yarn_install
    - *rebuild_node_sass
    - *save_yarn_cache
    - run: yarn lint
    - run: yarn test:unit
    - run:
        name: "Publish coverage data to Codecov"
        when: always
        command: |
          readonly coverage_path="${PWD}/coverage/lcov.info"
          readonly artifacts_path='/tmp/artifacts'
          if [[ ! -f "${coverage_path}" ]]; then
            echo "no coverage file found"
            exit 0
          fi
          if [[ ! "${CODECOV_TOKEN}" ]]; then
            echo "CODECOV_TOKEN environment variable must be set in order to publish coverage data to Codecov"
            exit 0
          fi
          mkdir -p "${artifacts_path}"
          cp "${coverage_path}" "${artifacts_path}/coverage.json"
          node_modules/.bin/codecov \
            --disable=gcov \
            "--file=${coverage_path}"
    - run: yarn run build
  deploy_prod:
    <<: *default_docker_image_and_directory
    steps:
    - checkout
    - *create_npmrc
    - *restore_yarn_cache
    - *yarn_install
    - *rebuild_node_sass
    - run:
        name: "Deploy to production"
        command: yarn deploy:prod
  deploy_staging:
    <<: *default_docker_image_and_directory
    steps:
    - checkout
    - *create_npmrc
    - *restore_yarn_cache
    - *yarn_install
    - *rebuild_node_sass
    - run:
        name: "Deploy to staging"
        command: yarn deploy:staging