name: Jekyll
on:
  push:
    branches:
      - main
  pull_request:

env:
  _UID: 1000
  _GID: 1000
  BASE_URL: www.lafs.eval.latfa.net
  PREFIX: ""
  SUFFIX: ""
jobs:
  jekyll:
    runs-on: ubuntu-22.04
    steps:
      - name: Check out repository
        id: checkout
        uses: actions/checkout@v4
      - name: Change file ownership
        id: file_ownership
        run: |
          chown -R ${_UID}:${_GID} .
      - name: Install requirements
        id: install_requirements
        run: |
          apt-get -q update
          apt-get -q install -y docker-compose rsync
          apt-get -q clean
      - name: Verify docker
        id: verify_docker
        run: |
          docker run --rm hello-world:latest > /dev/null
          docker rmi hello-world:latest > /dev/null
          docker version
          docker-compose version
          docker volume ls
      - name: Build Jekyll image
        id: build_image
        run: |
          # The environment variables _UID and _GID can impact this image
          docker-compose build jekyll
      - name: Build Jekyll site
        id: build_site
        run: |
          docker-compose run --rm -v "${JOB_CONTAINER_NAME}:/site" -w /site \
          jekyll build --verbose
        continue-on-error: true
      - name: Prepare ssh key
        id: prepare_ssh_key
        if: ${{ gitea.ref == 'refs/heads/main' }}
        run: |
          echo "${{ secrets.WWW_DEPLOY_KEY }}" > ~/.ssh/id_ed25519
          chmod 600 ~/.ssh/id_ed25519
      - name: Deploy Jekyll site
        id: deploy_site
        if: ${{ gitea.ref == 'refs/heads/main' }}
        run: |
          rsync -halvi \
            -e "ssh -a -x -o StrictHostKeyChecking=no" \
            ./_site/ www@lafs.eval.latfa.net:/var/www/site/
      - name: Comment pull request
        id: comment_pull_request
        if: gitea.event_name == 'pull_request'
        uses: exercism/pr-commenter-action@v1.4.0
        with:
          template-variables: |
            {
              "asciidocOutcome": "${{ steps.asciidoc.outcome }}",
              "verifyOutcome": "${{ steps.verify.outcome }}",
              "verifyOutputsResult": ${{ toJSON(steps.verify.outputs.result) }},
              "deployOutcome": "${{ steps.deploy.outcome }}",
              "deployUrl": "${{ format('{0}/{1}{2}/', env.BASE_URL, env.PREFIX, env.SUFFIX) }}",
              "githubActor": "${{ github.actor }}",
              "githubEventName": "${{ github.event_name }}",
              "githubWorkflow": "${{ github.workflow }}",
              "githubRunNumber": "${{ github.run_number }}",
              "githubRunAttempt": "${{ github.run_attempt }}"
            }
      - name: Fail on error
        id: fail-on-error
        if: |
          steps.build_site.outcome != 'success'
          || (github.event_name == 'pull_request' && steps.deploy_site.outcome != 'success')
        run: exit 1