name: Deploy site 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:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: oven-sh/setup-bun@v2
      - name: Install dependencies
        run: bun install --frozen-lockfile
        working-directory: site
      - name: Build
        run: bun run build
        working-directory: site
        env:
          # Optional arena backend (see worker/README.md); empty = local-only votes.
          VITE_ARENA_API: ${{ vars.VITE_ARENA_API }}
          VITE_TURNSTILE_SITE_KEY: ${{ vars.VITE_TURNSTILE_SITE_KEY }}
      - uses: actions/configure-pages@v5
      - uses: actions/upload-pages-artifact@v3
        with:
          path: site/dist

  deploy:
    needs: build
    runs-on: ubuntu-latest
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    steps:
      - id: deployment
        uses: actions/deploy-pages@v4