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:
      - checkout
      - restore_cache:
          keys:
            - npm-v1-dependencies-{{ checksum "yarn.lock" }}
            - npm-v1-lint-{{ .BuildNum }}
      - 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-{{ .BuildNum }}
          paths:
            - src
  test-ci:
    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: Unit Tests
          command: yarn test
  test-e2e:
    docker:
      - image: cimg/node:16.10.0
        auth:
          username: anthonyjhoiro
          password: $DOCKERHUB_PASSWORD 
      - image: circleci/postgres:9.6-alpine
        auth:
          username: anthonyjhoiro
          password: $DOCKERHUB_PASSWORD  # context / project UI env-var reference
        environment:
          POSTGRES_USER: postgres
          POSTGRES_PASSWORD: postgres
          POSTGRES_DB: psdb    
    steps:
      - checkout
      - restore_cache:
          keys:
            - npm-v1-dependencies-{{ checksum "yarn.lock" }}
      
      - run:
          name: Run e2e tests
          environment:
            DATABASE_URL: postgres://postgres:postgres@localhost:5432/psdb
          command: yarn test:e2e

  gendoc:
    docker:
      - image: cimg/node:16.10.0
        auth:
          username: anthonyjhoiro
          password: $DOCKERHUB_PASSWORD 
    
    steps:
      - checkout
      - restore_cache:
          keys:
            - npm-v1-dependencies-{{ checksum "yarn.lock" }}
            - npm-v1-lint-{{ .BuildNum }}
      - run: 
          name: Generate doc
          command: yarn doc:build
      
      - store_artifacts:
          path: docs
  
  builddocker:
    docker:
      - image: cimg/node:16.10.0
        auth:
          username: anthonyjhoiro
          password: $DOCKERHUB_PASSWORD 
    
    steps:
      - checkout
      - restore_cache:
          keys:
            - npm-v1-dependencies-{{ checksum "yarn.lock" }}
      - setup_remote_docker
      - run:
          name: Build and Push docker image
          command: |
            TAG=app
            IMAGE_NAME=anthonyjhoiro/my-awesome-ci-expr
            IMAGE_NAME_BUILDNUM=$IMAGE_NAME:{{ .BuildNum }}         
            IMAGE_NAME_LATEST=$IMAGE_NAME:latest
            docker build -t app .
            docker tag $APP $IMAGE_NAME_BUILDNUM
            docker tag $APP $IMAGE_NAME_LATEST
            echo $DOCKERHUB_PASSWORD | docker login -u anthonyjhoiro --password-stdin
            docker push $IMAGE_NAME_BUILDNUM
            docker push $IMAGE_NAME_LATEST



workflows:
  build-workflow:
    jobs:
      - install
      - lint:
          requires:
            - install
      - test-ci:
          requires:
            - install
      - test-e2e:
          requires:
            - install
      - gendoc:
          requires:
            - lint
            - test-ci
            - test-e2e
      - builddocker:
          filters:
            branches:
              # Run only on main branch
              only: /^main/ 
          requires:
            - lint
            - test-ci
            - test-e2e