name: Deploy to HF Space

on:
  push:
    branches: [main]
  workflow_dispatch:

concurrency:
  group: deploy-hf-space
  cancel-in-progress: true

jobs:
  validate:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: 20
      # No build step (HF builds the Docker image). Just a cheap syntax
      # gate so we never ship a server that won't boot.
      - name: Syntax check
        run: for f in server/*.js; do node --check "$f"; done
      # Unit tests (built-in node:test runner, no deps). Gates the
      # deploy: the `deploy` job `needs: validate`, so a red test
      # blocks the push to the Space.
      - name: Run tests
        run: npm test

  deploy:
    needs: validate
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      # Mirror this repo to the Space. The Space is a deploy target, so
      # a force push is expected (its history is disposable).
      - name: Push to Hugging Face Space
        env:
          HF_TOKEN: ${{ secrets.HF_TOKEN }}
        run: |
          git config user.email "ci@github-actions"
          git config user.name "github-actions"
          # Token auth: the username part of the URL is ignored by HF,
          # only HF_TOKEN authenticates. Space target is fixed.
          git push --force "https://pollen-robotics:${HF_TOKEN}@huggingface.co/spaces/pollen-robotics/reachy-mini-api.git" HEAD:main