version: 2.1
jobs:
  build:
    docker:
      - image: circleci/python:3.9-buster-node-browsers
    steps:
      - checkout
      - restore_cache:
          key: deps-{{ checksum "requirements/dev.txt"}}-{{ .Environment.CACHE_VERSION }}
      - run:
          name: Install dependencies in venv
          command: python3 -m venv venv
      - run:
          name: Activate venv
          command: . venv/bin/activate
      - run:
          name: Install requirements
          command: pip install -r requirements/dev.txt
            
            
      - save_cache:
          key: deps-{{ checksum "requirements/dev.txt"}}-{{ .Environment.CACHE_VERSION }}
          paths: 
            - "venv"
  test:
    docker: 
      - image: circleci/python:3.9-buster-node-browsers
        environment:
          DATABASE_URL: postgresql://myUser:myPassword@localhost:5432/my_database_postgres
          FLASK_APP: autoapp.py
          CONDUIT_SECRET: 'something-really-secret'
          FLASK_DEBUG: 1
      - image: circleci/postgres:9.6.2-alpine
        environment:
          POSTGRES_USER: myUser
          POSTGRES_DB: my_database_postgres
          POSTGRES_PASSWORD: myPassword
    steps:
      - checkout
      - restore_cache:
          key: deps-{{ checksum "requirements/dev.txt"}}-{{ .Environment.CACHE_VERSION }}
      - run: 
          name: Waiting postgresql
          command : dockerize -wait tcp://localhost:5432 -timeout 1m
      # - run: 
      #     name: Activate tests
      #     command: . venv/bin/activate
      # - run: 
      #     name: Launching upgrade
      #     command: flask db upgrade      
      # - run: 
      #     name: Launching tests
      #     command: flask test      
            
  deploy-heroku:
    docker: 
      - image : buildpack-deps:trusty
    steps:
      - checkout
      - run:
          name: Config main to heroku
          command: git config --global push.default matching
      - run:
          name: Deploy main to heroku
          command: git push https://heroku:$HEROKU_API_KEY@git.heroku.com/$HEROKU_APP_NAME.git main   
            
      - run:
          name: Smoke test
          command: HTTPCODE=`curl -s -o /dev/null -w "%{http_code}" https://$HEROKU_APP_NAME.herokuapp.com/api/articles`
      - run:
          name: Smoke test check
          command:  if [[ "$HTTPCODE" -ne 200 ]];then
                      echo "heroku app not responding, failing to deploy" &&  exit 1;
                    fi
  docker-build-push:
    working_directory: /dockerapp
    docker:
      - image: docker:17.05.0-ce-git
    steps:
      - checkout
      - setup_remote_docker
      - run:
          name:  dockerize my app 
          command: docker build --cache-from=app -t app .
      - run: 
          name: Login my app to the hub
          command: docker login -u $DOCKER_HUB_USERNAME -p $DOCKER_HUB_PASSWORD
      - run: 
          name: Tag my app 
          command: docker tag app $DOCKER_HUB_USERNAME/2020-2021-devops-final-back:$CIRCLE_BUILD_NUM      
      - run: 
          name: Tag my app to latest
          command: docker tag app $DOCKER_HUB_USERNAME/2020-2021-devops-final-back:latest    
      - run: 
          name: Publish my app
          command:  docker push $DOCKER_HUB_USERNAME/2020-2021-devops-final-back:$CIRCLE_BUILD_NUM        
      - run: 
          name: Publish my app to the hub
          command:  docker push $DOCKER_HUB_USERNAME/2020-2021-devops-final-back:latest  
           
workflows:
  build_test_deploy:
    jobs:
      - build
      - test:
          requires:
            - build
      - deploy-heroku:
          context: Heroku-tp-final
          requires: 
            - build
      - docker-build-push:
          context: Docker-tp-final
          requires: 
            - build