name: Deploy to Hugging Face Space

# Deploys main to the Hugging Face Space (chaeyoona/noteguard-agent), which then
# rebuilds the Docker image from the Dockerfile and serves it on port 7860.
# Requires an `HF_TOKEN` repository secret (a write-scoped Hugging Face access token).

on:
  push:
    branches: ["main"]
  workflow_dispatch:

permissions:
  contents: read

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

jobs:
  deploy:
    name: Push main to the Space
    runs-on: ubuntu-latest
    steps:
      - name: Check out main
        uses: actions/checkout@v4

      - name: Push snapshot to Hugging Face Space
        env:
          HF_TOKEN: ${{ secrets.HF_TOKEN }}
        run: |
          if [ -z "$HF_TOKEN" ]; then
            echo "::error::HF_TOKEN secret is not set. Add a write-scoped Hugging Face token under Settings -> Secrets and variables -> Actions."
            exit 1
          fi
          # The Space is a deploy target, not a source repo. Push a single fresh
          # snapshot of the current tree (orphan commit, no history) and force it
          # onto the Space's main branch. This keeps the Space in lockstep with
          # main and avoids sending historical binary blobs that HF's git backend
          # rejects (it requires such files to be stored via Git LFS / Xet).
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git checkout --orphan deploy
          git add -A
          git commit -q -m "Deploy ${GITHUB_SHA} from ${GITHUB_REF_NAME}"
          git push --force \
            "https://chaeyoona:${HF_TOKEN}@huggingface.co/spaces/chaeyoona/noteguard-agent.git" \
            deploy:main