pages.yml

name: Deploy HUD to GitHub Pages

on:
  push:
    branches: ["main"]
  workflow_dispatch:

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

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

jobs:
  build-pages:
    runs-on: ubuntu-latest
    outputs:
      pages_enabled: ${{ steps.pages_check.outputs.enabled }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Build HUD bundle
        run: |
          mkdir -p _site
          cp index.html styles.css app.js manifesto.html _site/
          cp -r docs _site/docs

      - name: Check Pages enablement
        id: pages_check
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          set -e
          code=$(curl -s -o /tmp/pages.json -w "%{http_code}" \
            -H "Authorization: Bearer ${GH_TOKEN}" \
            -H "Accept: application/vnd.github+json" \
            "https://api.github.com/repos/${{ github.repository }}/pages")

          if [ "$code" = "200" ]; then
            echo "enabled=true" >> "$GITHUB_OUTPUT"
            echo "Pages is enabled for this repository."
          else
            echo "enabled=false" >> "$GITHUB_OUTPUT"
            echo "Pages is not enabled (HTTP $code). Skipping deployment steps."
          fi

      - name: Configure Pages
        if: steps.pages_check.outputs.enabled == 'true'
        uses: actions/configure-pages@v5

      - name: Upload Pages artifact
        if: steps.pages_check.outputs.enabled == 'true'
        uses: actions/upload-pages-artifact@v3
        with:
          path: _site

      - name: Pages disabled notice
        if: steps.pages_check.outputs.enabled != 'true'
        run: |
          echo "GitHub Pages deployment skipped because Pages is not enabled for this repository."

  deploy:
    runs-on: ubuntu-latest
    needs: build-pages
    if: needs.build-pages.outputs.pages_enabled == 'true'
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v4