gh-pages.yml

name: GitHub Pages

on:
  pull_request:
  push:
    branches:
      - main

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

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

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.11'

      - name: Install Python dependencies
        run: pip install -r requirements.txt

      - name: Generate image slot and gallery references
        run: python scripts/generate_image_slots.py

      - name: Generate site health report
        run: python scripts/site_health.py

      - name: Build site
        run: mkdocs build --strict --clean

      - name: Upload built site artifact
        if: github.event_name == 'push' && github.ref == 'refs/heads/main'
        uses: actions/upload-pages-artifact@v3
        with:
          path: site

  deploy:
    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
    needs: build
    runs-on: ubuntu-latest
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}

    steps:
      - name: Verify GitHub Pages is enabled
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          if ! curl -fsSL \
            -H "Accept: application/vnd.github+json" \
            -H "Authorization: Bearer ${GH_TOKEN}" \
            "https://api.github.com/repos/${GITHUB_REPOSITORY}/pages" >/dev/null; then
            echo "GitHub Pages is not enabled for this repository. Enable Pages before deploying." >&2
            exit 1
          fi

      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v4