version: 2

defaults: &defaults
  working_directory: ~/app
  docker:
    - image: buildpack-deps:trusty
      environment:
        DOCKER_VERSION: 18.03.1-ce
        DOCKER_COMPOSE_VERSION: 1.21.1

jobs:
  build:
    <<: *defaults
    parallelism: 5
    steps:
      - checkout
      - setup_remote_docker
      - run:
          name: Install Docker
          command: |
            set -x
            curl -L -o /tmp/docker-${DOCKER_VERSION}.tgz https://download.docker.com/linux/static/stable/x86_64/docker-${DOCKER_VERSION}.tgz
            tar -xz -C /tmp -f /tmp/docker-${DOCKER_VERSION}.tgz
            chmod +x /tmp/docker/*
            mv /tmp/docker/* /usr/bin
      - run: 
          name: Install Docker Compose
          command: |
            sudo rm -f /usr/local/bin/docker-compose
            curl -L https://github.com/docker/compose/releases/download/${DOCKER_COMPOSE_VERSION}/docker-compose-`uname -s`-`uname -m` > docker-compose
            chmod +x docker-compose
            sudo mv docker-compose /usr/local/bin
      - run: 
          name: Create .env.test file
          command: env | egrep 'DEBUG|DANBOORU|RAILS|DATABASE_URL|SECRET' > .env.test
      - run:
          name: Build and Start Docker containers
          command: docker-compose -f config/docker/compose.yml up -d web
      - run:
          name: Run database migrations
          command: |
            docker-compose -f config/docker/compose.yml exec archives dockerize -wait tcp://$PGHOST:$PGPORT bash -l -c 'cd /app ; bundle exec rake db:create ; bundle exec rake db:migrate'
            docker-compose -f config/docker/compose.yml exec web dockerize -wait tcp://$PGHOST:$PGPORT bash -l -c 'cd /app ; bin/rake db:create ; bin/rake db:migrate'
      - run: 
          name: Run tests
          command: |
            docker-compose -f config/docker/compose.yml exec web bash -c 'curl -o /usr/bin/circleci https://circle-downloads.s3.amazonaws.com/releases/build_agent_wrapper/circleci && chmod +x /usr/bin/circleci'
            docker-compose -f config/docker/compose.yml exec web bash -c 'circleci tests glob "test/**/*_test.rb" | circleci tests split | xargs bin/rails test'
      - store_test_results:
          path: test/reports
      - run: 
          name: Teardown
          command: docker-compose -f config/docker/compose.yml down