# Publishes the Docusaurus site in website/ to GitHub Pages.
#
# Requires Pages to be enabled for the repository with "GitHub Actions" as the
# source (Settings -> Pages -> Build and deployment). Until it is, this workflow
# fails at the deploy step while CI still proves the site builds.
name: docs

on:
  push:
    branches: [main]
    paths:
      - 'docs/**'
      - 'website/**'
      - '.github/workflows/docs.yml'
  workflow_dispatch:

# Pages needs these; the default GITHUB_TOKEN permissions are not enough.
permissions:
  contents: read
  pages: write
  id-token: write

# One deploy at a time, and let a newer commit win rather than queueing behind
# an in-flight run.
concurrency:
  group: pages
  cancel-in-progress: true

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          # showLastUpdateTime reads git history, which a shallow clone lacks.
          fetch-depth: 0

      - uses: actions/setup-node@v4
        with:
          node-version: 22
          cache: npm
          cache-dependency-path: website/package-lock.json

      - name: build
        working-directory: website
        run: |
          npm ci
          npm run build

      - uses: actions/configure-pages@v5

      - uses: actions/upload-pages-artifact@v3
        with:
          path: website/build

  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