name: Build and deploy to GitHub Pages

# The hosted content is static (a fixed slice of the ABC dataset), so the
# workflow only runs on manual dispatch — no need to re-download the ~1.6 GB
# chunk on every push.
on:
  workflow_dispatch:

permissions:
  contents: read
  pages: write
  id-token: write

concurrency:
  group: pages
  cancel-in-progress: false

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Ensure 7z is available
        run: |
          if ! command -v 7z > /dev/null; then
            sudo apt-get update && sudo apt-get install -y p7zip-full
          fi
      - name: Build site
        run: scripts/build.sh
      - uses: actions/upload-pages-artifact@v3
        with:
          path: build/site

  deploy:
    needs: build
    runs-on: ubuntu-latest
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    steps:
      - id: deployment
        uses: actions/deploy-pages@v4