name: Deploy Pages

on:
  push:
    branches: [main]
    paths:
      - 'examples/**'
      - 'scripts/build-pages.js'
      - 'src/**'
      - 'assets/**'
      - 'package.json'
      - '.github/workflows/pages.yml'
  workflow_dispatch:

# Allow GitHub Pages to read from this workflow
permissions:
  contents: read
  pages: write
  id-token: write

# Only one Pages deployment at a time
concurrency:
  group: 'pages'
  cancel-in-progress: true

jobs:
  build:
    name: Build showcase site
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v7

      - name: Use Node 22
        uses: actions/setup-node@v6
        with:
          node-version: '22.x'
          cache: npm

      - name: Install dependencies
        run: npm ci

      - name: Compile examples smoke test
        run: |
          for f in examples/*.pjs; do
            echo "Compiling $f..."
            node src/cli/index.js compile "$f" --stdout > /dev/null
          done

      - name: Build showcase site
        run: npm run pages:build

      - name: Upload Pages artifact
        uses: actions/upload-pages-artifact@v5
        with:
          path: ./dist-pages

  deploy:
    name: Deploy to GitHub Pages
    needs: build
    runs-on: ubuntu-latest
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    steps:
      - name: Deploy
        id: deployment
        uses: actions/deploy-pages@v5