version: 2.1  
jobs:
  install:
    docker:
      - image: cimg/node:16.10.0
        auth:
          username: anthonyjhoiro
          password: $DOCKERHUB_PASSWORD 
    steps:
      - checkout
      - restore_cache:
          keys:
            - npm-v1-dependencies-{{ checksum "yarn.lock" }}
      - run: 
          name: Install deps using Yarn
          command: yarn install

      - save_cache:
          name: Save Yarn Package Cache
          key: npm-v1-dependencies-{{ checksum "yarn.lock" }}
          paths:
            - node_modules
  
  lint:
    docker:
      - image: cimg/node:16.10.0
        auth:
          username: anthonyjhoiro
          password: $DOCKERHUB_PASSWORD 
    steps:
      - restore_cache:
          keys:
            - npm-v1-lint-{{ checksum "src" }}
      - run: 
          name: Check files format
          command: yarn format:check

      - run: 
          name: Lint files
          command: yarn lint

      - save_cache:
          name: Save linted files
          key: npm-v1-lint-{{ checksum "src" }}
          paths:
            - src
  test-ci:
    docker:
      - image: cimg/node:16.10.0
        auth:
          username: anthonyjhoiro
          password: $DOCKERHUB_PASSWORD 
    steps:
    - run: 
        name: Unit Tests
        command: yarn test:ci

workflows:
  build-workflow:
    jobs:
      - install
      - lint
      - test-ci