version: 2

orbs:
  heroku: circleci/heroku@1.2.3

jobs:
  build:
    docker:
      - image: circleci/node:dubnium-browsers
    working_directory: ~/repo
    steps:
      - checkout
      - restore_cache:
          keys:
            - dependencies-{{ checksum "package.json" }}-{{ .Environment.CACHE_VERSION }}
            # fallback to using the latest cache if no exact match is found
            - dependencies-
      - run: yarn global add node-gyp && yarn install
      - save_cache:
          paths:
            - node_modules
          key: dependencies-{{ checksum "package.json" }}-{{ .Environment.CACHE_VERSION }}
  lint:
    docker:
      - image: circleci/node:dubnium-browsers
    working_directory: ~/repo
    steps:
      - checkout
      - restore_cache:
          key: dependencies-{{ checksum "package.json" }}-{{ .Environment.CACHE_VERSION }}
      - run: yarn lint
      - run: yarn format:check
  server-doc-build:
    docker:
      - image: circleci/node:dubnium-browsers
    working_directory: ~/repo
    steps:
      - checkout
      - restore_cache:
          key: dependencies-{{ checksum "package.json" }}-{{ .Environment.CACHE_VERSION }}
      - run: yarn doc:build
      - run:
          name: Copy deployment artifacts to workspace
          command: |
            cp doc-server/ /tmp/server-doc -r
      - store_artifacts:
          path: /tmp/server-doc
      - persist_to_workspace:
          root: /tmp
          paths:
            - server-doc
  server-doc-deploy:
    docker:
      - image: circleci/node:dubnium-browsers
    working_directory: ~/deploy-doc-server
    steps:
      - attach_workspace:
          at: /tmp
      - run:
          name: Deploy app
          command: git push heroku main
  back-test-unit:
    docker:
      - image: circleci/node:dubnium-browsers
    working_directory: ~/repo
    steps:
      - checkout
      - restore_cache:
          key: dependencies-{{ checksum "package.json" }}-{{ .Environment.CACHE_VERSION }}
      - run:
          command: yarn test:ci
          environment:
            DATABASE_URL: postgres://psqluer:psqlpassword@localhost:5432/psqluer
            JWT_SECRET: aaaa
            API_PORT: 3000
            API_HOST: localhost
            API_PROTOCOL: http
      - run: yarn add codecov && yarn codecov
  back-test-e2e:
    docker:
      - image: circleci/node:dubnium-browsers
      - image: circleci/postgres:9.6.5
        environment:
          POSTGRES_DB: psqluer
          POSTGRES_USER: psqluer
          POSTGRES_PASSWORD: psqlpassword
    working_directory: ~/repo
    steps:
      - checkout
      - restore_cache:
          key: dependencies-{{ checksum "package.json" }}-{{ .Environment.CACHE_VERSION }}
      - run:
          command: yarn test:e2e
          environment:
            DATABASE_URL: postgres://psqluer:psqlpassword@localhost:5432/psqluer
            JWT_SECRET: aaaa
            API_PORT: 3000
            API_HOST: localhost
            API_PROTOCOL: http

  docker-build-and-push:
    working_directory: /dockerapp
    docker:
      - image: docker:17.05.0-ce-git
    steps:
      - checkout
      - setup_remote_docker
      - run:
          name: Build application Docker image
          command: |
            docker build --cache-from=app -t app .
      - deploy:
          name: Publish application to docker hub
          command: |
            docker login -e $DOCKER_HUB_EMAIL -u $DOCKER_HUB_USER_ID -p $DOCKER_HUB_PWD
            docker tag app $DOCKER_HUB_USER_ID/my-awesome-ci-expr:$CIRCLE_BUILD_NUM
            docker tag app $DOCKER_HUB_USER_ID/my-awesome-ci-expr:latest
            docker push $DOCKER_HUB_USER_ID/my-awesome-ci-expr:$CIRCLE_BUILD_NUM
            docker push $DOCKER_HUB_USER_ID/my-awesome-ci-expr:latest
  deploy:
    executor: heroku/default
    steps:
      - checkout
      - heroku/install
      - run:
          name: Smoke Test
          command: | 
            HTTPCODE=`curl -s -o /dev/null -w "%{http_code}" https://$HEROKU_APP_NAME.herokuapp.com/`
            if [ "$HTTPCODE" -ne 200 ];then
              echo "heroku app not responding, failing deploy"
              exit 1
            fi
  # back-deploy-heroku:
  #   docker:
  #     - image: buildpack-deps:trusty
  #   steps:
  #     - checkout
  #     - run:
  #         name: Heroku Deploy
  #         command: git push heroku main
      # - run:
      #     name: Smoke Test
      #     command: | 
      #       HTTPCODE=`curl -s -o /dev/null -w "%{http_code}" https://$HEROKU_APP_NAME.herokuapp.com/`
      #       if [ "$HTTPCODE" -ne 200 ];then
      #         echo "heroku app not responding, failing deploy"
      #         exit 1
      #       fi

workflows:
  version: 2
  build-test-and-lint:
    jobs:
      - build
      - back-test-unit:
          requires:
            - build
      - back-test-e2e:
          requires:
            - build
      - lint:
          requires:
            - build
      # - back-deploy-heroku:
      #     requires:
      #       - build
      #       - lint
      #       - back-test-e2e
      #       - back-test-unit
      #     filters:
      #       branches:
      #         only: main
      - server-doc-build:
          requires:
            - build
            - lint
            - back-test-e2e
            - back-test-unit
          filters:
            branches:
              only: main
      - server-doc-deploy:
          requires:
            - server-doc-build
          filters:
            branches:
              only: main
      - deploy:
        requires:
          - build
      - heroku/deploy-via-git: 
          requires:
            - deploy
            - lint
            - back-test-e2e
            - back-test-unit
          filters:
            branches:
              only: main