# .github/workflows/sync-to-hf.yml
name: Sync to Hugging Face hub
on:
  push:
    branches: [main]
  workflow_dispatch:

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

      - name: Configure git & Git LFS
        run: |
          git config user.name  "GitHub Actions"
          git config user.email "actions@github.com"
          git lfs install --local

      - name: Set Space path
        run: |
          echo "HF_USERNAME=SCGR" >> $GITHUB_ENV
          echo "SPACE_NAME=Promptaid_Vision" >> $GITHUB_ENV

      # Use .netrc so we never print the token in a URL
      - name: Authenticate to Hugging Face via netrc
        env:
          HF_API_KEY: ${{ secrets.HF_API_KEY }}
        run: |
          test -n "$HF_API_KEY" || (echo "❌ Missing GitHub secret HF_API_KEY" && exit 1)
          cat > ~/.netrc <<EOF
          machine huggingface.co
            login ${HF_USERNAME}
            password ${HF_API_KEY}
          EOF
          chmod 600 ~/.netrc

      # Diagnostics — this step will explain any failure (auth/URL/offending files)
      - name: Diagnose before push
        env:
          HF_API_KEY: ${{ secrets.HF_API_KEY }}
        run: |
          set -euo pipefail
          echo "WHOAMI:"
          curl -sS -H "Authorization: Bearer $HF_API_KEY" https://huggingface.co/api/whoami-v2 || exit 1
          echo; echo "Space API check:"
          curl -sS -o /dev/null -w "HTTP %{http_code}\n" \
            -H "Authorization: Bearer $HF_API_KEY" \
            https://huggingface.co/api/spaces/${HF_USERNAME}/${SPACE_NAME}

          echo; echo "git ls-remote on Space:"
          git ls-remote https://huggingface.co/spaces/${HF_USERNAME}/${SPACE_NAME}.git

          echo; echo "Large files (>10MB) in working tree (should be none unless via LFS):"
          find . -type f -size +10M -not -path "./.git/*" -printf "%p\t%k KB\n" || true

          echo; echo "LFS-tracked patterns:"
          git lfs track || true

          echo; echo "LFS objects present locally (should list your media):"
          git lfs ls-files || true

      # Get all LFS files from GitHub before mirroring to the Space
      - name: Fetch LFS objects from origin
        run: |
          git lfs fetch --all origin
          git lfs checkout   # materialize pointers -> files (optional but safe)
          git lfs ls-files   # show what LFS will upload

      # Now upload LFS to the Space and push the refs
      - name: Push to HF Space
        run: |
          set -euo pipefail
          git remote remove space 2>/dev/null || true
          git remote add space https://huggingface.co/spaces/${HF_USERNAME}/${SPACE_NAME}.git
          git lfs push --all space         # upload all LFS objects to the Space remote
          git push space HEAD:main --force