version: 2.1

commands:
  restore_cache_cmd:
    steps:
      - restore_cache:
          key: yarn-v6-packages-{{ checksum "yarn.lock" }}
  save_cache_cmd:
    steps:
      - save_cache:
          paths:
            - ./node_modules
          key: yarn-v6-packages-{{ checksum "yarn.lock" }}

executors:
  dockerhub-publisher:
    environment:
      IMAGE_NAME: morganlmd/my-awesome-ci-expr
      IMAGE_NAME_TMP: app
    docker:
      - image: circleci/buildpack-deps:stretch

jobs:
  build:
    docker:
      - image: "circleci/node:12"

    steps:
      - checkout
      - restore_cache_cmd
      - run:
          command: "yarn global add node-gyp && yarn install"
          name: "installation"
      - save_cache_cmd

  lint:
    docker:
      - image: "circleci/node:12"

    steps:
      - checkout
      - restore_cache_cmd
      - run:
          command: "yarn lint && yarn format:check"
          name: "lint and format check"
      - save_cache_cmd

  unit-tests:
    docker:
      - image: "circleci/node:12"

    steps:
      - checkout
      - restore_cache_cmd
      - run:
          command: "yarn test:ci"
          name: "test unitaires"
      - save_cache_cmd


  database:
    docker:
      - image: "circleci/node:12"
        environment:
          DATABASE_URL: postgres://psqluer:psqlpassword@localhost:5432/psdb
          JWT_SECRET: some string you want
          API_PORT: 3000
          API_HOST: localhost
          API_PROTOCOL: http

      - image: "circleci/postgres:9.6.2-alpine"
        environment:
          POSTGRES_USER: psqluer
          POSTGRES_PASSWORD: psqlpassword
          POSTGRES_DB: psdb

    steps:
      - checkout
      - restore_cache_cmd
      - run:
          command: "yarn test:e2e"
          name: "test end 2 end db postgres"
      - save_cache_cmd

  docker-build:
    executor: dockerhub-publisher
    steps:
      - checkout
      - restore_cache_cmd
      - setup_remote_docker
      - run:
          name: build docker image
          command: |
            docker build -t $IMAGE_NAME_TMP .
      - run:
          name: Archive docker image
          command: docker save -o image.tar $IMAGE_NAME_TMP
      - persist_to_workspace:
          root: .
          paths:
            - ./image.tar
      - save_cache_cmd

  dockerhub-publishing:
    executor: dockerhub-publisher
    steps:
      - restore_cache_cmd
      - attach_workspace:
          at: /tmp/workspace
      - setup_remote_docker
      - run:
          name: load archived docker image
          command: docker load -i /tmp/workspace/image.tar
      - run:
          name: publish docker image to dockerhub
          command: |
            echo "$DOCKERHUB_PASSWORD" | docker login -u "$DOCKERHUB_USERNAME" --password-stdin
            IMAGE_TAG="0.0.${CIRCLE_BUILD_NUM}"
            docker tag $IMAGE_NAME_TMP $IMAGE_NAME:latest
            docker tag $IMAGE_NAME:latest $IMAGE_NAME:$IMAGE_TAG
            docker push $IMAGE_NAME:latest
            docker push $IMAGE_NAME:$IMAGE_TAG
      - save_cache_cmd

  documentation:
    docker:
      - image: "circleci/node:12"
    steps:
      - checkout
      - restore_cache_cmd
      - run:
          command: yarn doc:build
          name: creation de la doc
      - store_artifacts: 
          path: ./doc-server
      - save_cache_cmd

workflows:
  version: 2
  build-master:
    jobs:
      - build
      - lint:
          requires:
            - build
      - unit-tests:
          requires:
            - build
      - database:
          requires:
            - build
      - docker-build:
          requires:
            - build
            - lint
            - unit-tests
          context:
            - FGES
          filters:
            branches:
              only: main
      - dockerhub-publishing:
          requires: 
            - build
            - lint
            - unit-tests
            - docker-build
          context:
            - FGES
          filters:
            branches:
              only: main
      - documentation:
          requires:
            - build
            - lint
            - unit-tests