name: Sync to Hugging Face Space

on:
  push:
    branches:
      - main
  workflow_dispatch:

jobs:
  sync-to-hf:
    name: Push to HF Space
    runs-on: ubuntu-latest
    permissions:
      contents: read
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          lfs: true

      - name: Configure Git
        run: |
          git config --global user.email "github-actions[bot]@users.noreply.github.com"
          git config --global user.name "github-actions[bot]"

      - name: Validate HF_TOKEN
        env:
          HF_TOKEN: ${{ secrets.HF_TOKEN }}
        run: |
          if [ -z "${HF_TOKEN}" ]; then
            echo "Error: HF_TOKEN secret is not set."
            echo "Please add a Hugging Face User Access Token as a repository secret named HF_TOKEN."
            echo "See: https://huggingface.co/settings/tokens"
            exit 1
          fi

      - name: Push to Hugging Face Space
        env:
          HF_TOKEN: ${{ secrets.HF_TOKEN }}
        run: |
          git remote add space https://Abs6187:${HF_TOKEN}@huggingface.co/spaces/Abs6187/TechTrident

          # Build a clean deployment commit that excludes binary files that are
          # already present on the HF Space or would be rejected by the pre-receive hook.
          # - model/: files exceed the 10 MiB per-file limit.
          # - logs/*.png: binary image files rejected by HF's binary-file policy.
          # git checkout --orphan keeps all current files staged in the index.
          git checkout --orphan hf-deploy
          git rm -rf --cached model/
          git rm -rf --cached logs/*.png
          git commit -m "Sync to Hugging Face Space (model and log images excluded)"
          git push --force space hf-deploy:main