name: Publish documentation to GitHub Pages

permissions:
  contents: read

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

on:
  push:
    branches: ['main']

env:
  NODE_VERSION: 22.x

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - name: Use Node.js ${{ env.NODE_VERSION }}
        uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: 'npm'

      - run: npm ci
      - run: npm run build:docs

      - uses: actions/upload-artifact@v4
        with:
          name: docs-output
          path: ./docs
          retention-days: 1

  deploy:
    needs: build
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    runs-on: ubuntu-latest
    permissions:
      pages: write
      id-token: write
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Download build output
        uses: actions/download-artifact@v4
        with:
          name: docs-output
          path: ./docs

      - name: Setup Pages
        uses: actions/configure-pages@v5

      - name: Upload artifact
        uses: actions/upload-pages-artifact@v3
        with:
          path: './docs'

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