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

      # Link
      - run:
          name: ‌ Link
          command: yarn lerna link

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

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

  # --------------------------------------------------------------------------
  # 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 Nuxt
          command: yarn build
      - run:
          name: Build Fixtures
          command: yarn build && yarn test:fixtures -w=4 --coverage && yarn coverage
      - persist_to_workspace:
          root: ~/project
          paths:
            - test/fixtures # TODO
            - distributions/**/dist
            - packages/**/dist

  # --------------------------------------------------------------------------
  # 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: |
            echo "//registry.npmjs.org/:_authToken=$NPM_TOKEN" >> ~/.npmrc
            echo "//registry.yarnpkg.com/:_authToken=$NPM_TOKEN" >> ~/.npmrc
            yarn lerna version
            PACKAGE_SUFFIX=edge yarn build
            yarn lerna publish

# 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