version: 2
jobs:
  build:
    docker:
      - image: circleci/python
    steps:
      - checkout
      - setup_remote_docker

      - run:
          name: Create version.json
          command: |
            printf '{"commit":"%s","version":"%s","source":"https://github.com/%s/%s","build":"%s"}\n' \
            "$CIRCLE_SHA1" \
            "$CIRCLE_TAG" \
            "$CIRCLE_PROJECT_USERNAME" \
            "$CIRCLE_PROJECT_REPONAME" \
            "$CIRCLE_BUILD_URL" | tee version.json
      - store_artifacts:
          path: version.json

      - run:
          name: Build deployment container image
          command: docker build -t app:build .
      - run:
          name: Test flake8
          command: docker run -it app:build test_flake8
      - run:
          name: Test nose
          command: docker run -it app:build test_nose
      - run:
          name: Functional tests
          command: docker run -it app:build test_functional
      - run:
          name: Push to Dockerhub
          command: |
            if [ "${CIRCLE_BRANCH}" == "master" ]; then
              bin/ci/deploy-dockerhub.sh latest
            fi
            if [[ "${CIRCLE_BRANCH}" == feature* ]] || [[ "${CIRCLE_BRANCH}" == dockerpush* ]]; then
              bin/ci/deploy-dockerhub.sh "$CIRCLE_BRANCH"
            fi
            if [ -n "${CIRCLE_TAG}" ]; then
              bin/ci/deploy-dockerhub.sh "$CIRCLE_TAG"
            fi

workflows:
  version: 2

  # workflow jobs are _not_ run in tag builds by default
  # we use filters to whitelist jobs that should be run for tags

  # workflow jobs are run in _all_ branch builds by default
  # we use filters to blacklist jobs that shouldn't be run for a branch

  # see: https://circleci.com/docs/2.0/workflows/#git-tag-job-execution

  build-test-push:
    jobs:
      - build:
          filters:
            tags:
              only: /.*/