name: Sync with Hugging Face Space

on:
  push:
    branches: [main]
  workflow_dispatch:

jobs:
  sync-to-hub:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          lfs: true

      - name: Push to Hugging Face Space
        env:
          HF_TOKEN: ${{ secrets.HF_TOKEN }}
        run: |
          git remote remove space 2>/dev/null || true
          git remote add space https://m0ksh:${HF_TOKEN}@huggingface.co/spaces/m0ksh/PeptideAI-App
          
          # Create a history-free sync branch so we don't push old binary blobs.
          git config user.name "github-actions"
          git config user.email "actions@github.com"
          
          git checkout --orphan hf-sync
          git rm -rf . >/dev/null 2>&1 || true
          git checkout main -- .
          
          # Hugging Face Spaces rejects raw binary blobs in git history.
          rm -f PeptideAI/MLModels/*.pt PeptideAI/StreamlitApp/models/*.pt StreamlitApp/models/*.pt 2>/dev/null || true
          
          git add -A
          git commit -m "Sync from GitHub main" || true
          git push --force space hf-sync:main