---
version: 2
jobs:
  test:
    docker:
      - image: cibuilds/hugo:latest

    steps:
      - checkout

      # TODO: Uncomment below two lines and install git further up if submodules end up being added
      # install git submodules for managing third-part dependencies
      # - run: git submodule sync && git submodule update --init

      - run:
          name: Build HTML files
          command: HUGO_ENV=production hugo -v --minify

      - run:
          name: Test generated HTML files
          command: |
            htmlproofer public --allow-hash-href --check-html \
            --empty-alt-ignore --disable-external

      - persist_to_workspace:
          root: .
          paths:
            - public
            - config
            - themes
  lint:
    docker:
      - image: cimg/python:3.9

    steps:
      - checkout

      - run:
          name: Install pre-commit
          command: pip install pre-commit

      - run:
          name: Setup pre-commit cache key
          command: |
            cp .pre-commit-config.yaml pre-commit-cache-key.txt
            # Intentionally supplying --version twice to get verbose version information
            python --version --version >> pre-commit-cache-key.txt

      - restore_cache:
          keys:
            - v1-pre-commit-cache-{{ checksum "pre-commit-cache-key.txt" }}

      - run:
          name: Run pre-commit hooks
          command: pre-commit run --from-ref main --to-ref HEAD

      - save_cache:
          key: v1-pre-commit-cache-{{ checksum "pre-commit-cache-key.txt" }}
          paths:
            - ~/.cache/pre-commit

  deploy:
    docker:
      - image: cibuilds/hugo:latest
    environment:
      PROD_DEPLOY_CONFIG_PATH: config/production/deployment.toml

    steps:
      - attach_workspace:
          at: .

      - run:
          name: Install AWS CLI
          command: |
            sudo apt update
            sudo apt install python3-pip
            pip3 install awscli

      - deploy:
          name: Deploy to AWS
          command: |
            sed "s~{{S3URL}}~${S3URL}~g" "${PROD_DEPLOY_CONFIG_PATH}.sample" > "${PROD_DEPLOY_CONFIG_PATH}"
            sed -i "s~{{CLOUDFRONTDISTRIBUTIONID}}~${CLOUDFRONTDISTRIBUTIONID}~g" "${PROD_DEPLOY_CONFIG_PATH}"
            HUGO_ENV=production hugo deploy --invalidateCDN

workflows:
  version: 2
  main-workflow:
    jobs:
      - test

      - lint

      - deploy:
          context: aws-context
          requires:
            - test
            - lint
          filters:
            branches:
              only:
                - main