# Publishes the browsable demo at https://demo.firegex.pwnzer0tt1.it - the real frontend
# built against the in-memory backend in frontend/src/js/demo.ts, so it needs no server.
name: Deploy demo to GitHub Pages

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

# Let a running deploy finish rather than publishing a half-built site, but keep only the
# newest queued commit: intermediate ones would be overwritten seconds later anyway.
concurrency:
  group: pages
  cancel-in-progress: false

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set up bun
        uses: oven-sh/setup-bun@v2
        with:
          bun-version: latest

      - name: Install dependencies
        working-directory: frontend
        run: bun install --frozen-lockfile

      - name: Build the demo
        working-directory: frontend
        run: bun run build:demo

      - name: Prepare the artifact
        working-directory: frontend/dist
        run: |
          # GitHub Pages serves 404.html for any path it has no file for. Handing it the
          # SPA entrypoint is what makes deep links like /services/<id> resolve.
          cp index.html 404.html
          echo 'demo.firegex.pwnzer0tt1.it' > CNAME

      - name: Upload artifact
        uses: actions/upload-pages-artifact@v3
        with:
          path: frontend/dist

  deploy:
    needs: build
    runs-on: ubuntu-latest
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    permissions:
      pages: write
      id-token: write
    steps:
      # Pages is already enabled on this repository with source "GitHub Actions".
      # The `enablement: true` option cannot replace that here: GITHUB_TOKEN is not
      # allowed to create a Pages site, whatever permissions the job asks for.
      - name: Configure Pages
        uses: actions/configure-pages@v5

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