name: Deploy to Hugging Face Spaces

on:
  push:
    branches: [main]

jobs:
  deploy:
    name: Push source to Hugging Face Spaces
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Configure git
        run: |
          git config user.email "adivid198986@gmail.com"
          git config user.name  "aditya-rAj19"

      - name: Push to Hugging Face Spaces
        env:
          HF_TOKEN: ${{ secrets.HF_TOKEN }}
          HF_USER: aditya-rAj19
          HF_SPACE: FaceSWAP
        run: |
          if [ -z "$HF_TOKEN" ]; then
            echo "::error::HF_TOKEN secret is empty or not set."
            echo "Add it at: GitHub repo -> Settings -> Secrets and variables -> Actions -> New repository secret"
            echo "Name: HF_TOKEN   Value: a Hugging Face token with WRITE access (huggingface.co -> Settings -> Access Tokens)"
            exit 1
          fi
          # Token-in-URL auth. Force-push the repo to the Space.
          git remote remove hf 2>/dev/null || true
          git remote add hf "https://${HF_USER}:${HF_TOKEN}@huggingface.co/spaces/${HF_USER}/${HF_SPACE}"
          echo "Pushing to https://huggingface.co/spaces/${HF_USER}/${HF_SPACE} ..."
          # HF can transiently reject a push while the Space is still building
          # from a previous push — retry a few times before failing.
          n=0
          until git push hf HEAD:main --force; do
            n=$((n+1))
            if [ "$n" -ge 4 ]; then
              echo "::error::Push to Hugging Face failed after $n attempts."
              exit 1
            fi
            echo "Push attempt $n failed - retrying in 15s..."
            sleep 15
          done
          echo "Pushed to Hugging Face Spaces successfully."