name: Sync to Hugging Face hub

on:
  push:
    branches: [main]

  workflow_dispatch:

jobs:
  sync-to-hub:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0
          lfs: true

      # -------------------------
      # 1. Set up Python
      # -------------------------
      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.10'

      # -------------------------
      # 2. Install dependencies
      # -------------------------
      - name: Install dependencies
        run: |
          pip install --upgrade pip
          pip install flake8 nbqa pytest pandas scikit-learn

      # -------------------------
      # 3. Lint Python files
      # -------------------------
      - name: Lint .py files
        run: |
          flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics

      # -------------------------
      # 4. Lint notebooks with nbQA
      # -------------------------
      - name: Lint notebooks
        run: |
          nbqa flake8 . --exclude A2,A3 --extend-ignore=F821 --select=E9,F63,F7,F82 --statistics

      # -------------------------
      # 5. Block problematic files
      # -------------------------
      - name: Check for restricted file types
        run: |
          if git diff --name-only HEAD~1 | grep -E '\.(pdf|xlsx)$'; then
            echo "❌ PDF/XLSX files detected. These break HuggingFace sync."
            exit 1
          fi

      # -------------------------
      # 6. Run unit tests
      # -------------------------
      - name: Run unit tests
        run: |
          pytest A4/ -v --tb=short

      # -------------------------
      # 7. Push to HuggingFace
      # -------------------------
      - name: Push to hub
        env:
          HF_TOKEN: ${{ secrets.HF_TOKEN }}
        run: |
          git push -f https://Bachstelze:$HF_TOKEN@huggingface.co/spaces/Bachstelze/github_sync main