version: 2

defaults: &defaults
  working_directory: ~/project
  docker:
    - image: banian/node-headless-chrome
  environment:
    - NODE_ENV: test

jobs:
  # --------------------------------------------------------------------------
  # Phase 1: Setup
  # --------------------------------------------------------------------------
  setup:
    <<: *defaults
    steps:
      # Checkout repository
      - checkout

      # Restore cache
      - restore_cache:
          key: yarn-{{ checksum "yarn.lock" }}

      # Install dependencies
      - run:
          name: Install Dependencies
          command: yarn --frozen-lockfile --non-interactive

      # Save cache
      - save_cache:
          key: yarn-{{ checksum "yarn.lock" }}
          paths:
            - node_modules
            - packages/*/node_modules
            - distributions/*/node_modules

      # Persist workspace
      - persist_to_workspace:
          root: ~/project
          paths:
            - node_modules
            - packages/*/node_modules
            - distributions/*/node_modules
            - packages/*/dist

  # --------------------------------------------------------------------------
  # Phase 2: Lint + Audit + Build Nuxt and fixtures
  # --------------------------------------------------------------------------
  lint:
    <<: *defaults
    steps:
      - checkout
      - attach_workspace:
          at: ~/project
      - run:
          name: Lint
          command: yarn test:lint

  audit:
    <<: *defaults
    steps:
      - checkout
      - attach_workspace:
          at: ~/project
      - run:
          name: Security Audit
          command: npm install --package-lock-only && npm audit --audit-level=moderate

  build:
    <<: *defaults
    steps:
      - checkout
      - attach_workspace:
          at: ~/project
      - run:
          name: Build Fixtures
          command: yarn test:fixtures -w=4 --coverage && yarn coverage
      - persist_to_workspace:
          root: ~/project
          paths:
            - test/fixtures

  # --------------------------------------------------------------------------
  # Phase 3: Unit and E2E tests
  # --------------------------------------------------------------------------
  test-unit:
    <<: *defaults
    steps:
      - checkout
      - attach_workspace:
          at: ~/project
      - run:
          name: Unit Tests
          command: yarn test:unit -w=4 --coverage && yarn coverage

  test-e2e:
    <<: *defaults
    steps:
      - checkout
      - attach_workspace:
          at: ~/project
      - run:
          name: E2E Tests
          command: yarn test:e2e && yarn coverage

  # --------------------------------------------------------------------------
  # Phase 4: Release (dev branch only)
  # --------------------------------------------------------------------------
  release:
    <<: *defaults
    steps:
      - checkout
      - attach_workspace:
          at: ~/project
      - run:
          name: release
          command: |
            GIT_COMMIT_MSG=`git --no-pager log --pretty=full -n1 $CIRCLE_SHA1`
            if echo "$GIT_COMMIT_MSG" | grep -o "\[skip release\]"; then
              echo "Release phase is skipped since [skip release] exists in commit message or body."
            else
              echo "//registry.npmjs.org/:_authToken=$NPM_TOKEN" >> ~/.npmrc
              echo "//registry.yarnpkg.com/:_authToken=$NPM_TOKEN" >> ~/.npmrc
              yarn lerna version --yes --no-git-tag-version --no-push
              PACKAGE_SUFFIX=edge yarn build
              if [ "$CIRCLE_BRANCH" = "next" ]; then tag="-t next"; fi
              ./scripts/workspace-run npm publish $tag -q
            fi

# Workflow definition
workflows:
  version: 2
  setup-and-test:
    jobs:
      - setup

      - lint:
          requires:
            - setup

      - audit:
          requires:
            - setup

      - build:
          requires:
            - setup

      - test-unit:
          requires:
            - build

      - test-e2e:
          requires:
            - build

      - release:
          requires:
            - build
            - lint
            - audit
            - test-unit
            - test-e2e
          filters:
            branches:
              only:
                - dev
                - next