name: Sync to Hugging Face Space

on:
  push:
    branches:
      - main
  workflow_dispatch:

jobs:
  sync-to-space:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 1  # Shallow clone to avoid large files in history
          lfs: false  # Don't fetch LFS files since we don't use them

      - name: Push to Hugging Face Space
        env:
          HF_TOKEN: ${{ secrets.HF_TOKEN }}
        run: |
          # Fail loudly and show each command
          set -euxo pipefail

          # Configure git
          git config --global user.email "actions@github.com"
          git config --global user.name "GitHub Actions"
          git config --global credential.helper ""
          export GIT_TERMINAL_PROMPT=0

          echo "Current branch:"
          git branch --show-current || true

          echo "Git remotes:"
          git remote -v

          # Add/replace remote with token auth (note 'user' here)
          git remote remove hf 2>/dev/null || true
          git remote add hf "https://user:${HF_TOKEN}@huggingface.co/spaces/samir72/Multi-Agent-Research-Paper-Analysis-System"

          echo "Testing authentication with git ls-remote..."
          git ls-remote hf

          echo "Creating fresh orphan branch without history..."
          # Create a new branch with only current state (no history with large files)
          git checkout --orphan temp-clean-branch
          git add -A
          git commit -m "Clean sync from GitHub - no large files in history"

          echo "Force pushing clean branch to HF Space..."
          git push --force hf temp-clean-branch:main