name: Sync RVF Examples to GCS

on:
  push:
    branches: [main]
    paths:
      - 'examples/rvf/output/**'
      - 'examples/rvf/generate_examples.rs'
      - 'scripts/generate-rvf-manifest.py'
  workflow_dispatch:
    inputs:
      force_sync:
        description: 'Force sync even without changes'
        type: boolean
        default: false

env:
  GCS_BUCKET: ruvector-examples

jobs:
  sync:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      id-token: write

    steps:
      - uses: actions/checkout@v4

      - name: Set version
        run: |
          VERSION=$(jq -r .version npm/packages/ruvector/package.json)
          echo "VERSION=$VERSION" >> $GITHUB_ENV
          echo "Syncing version: $VERSION"

      - name: Generate manifest
        run: |
          python3 scripts/generate-rvf-manifest.py \
            --input examples/rvf/output/ \
            --version ${{ env.VERSION }} \
            --output examples/rvf/manifest.json

      - name: Generate checksums
        run: |
          cd examples/rvf/output
          sha256sum *.rvf > checksums.sha256

      - name: Authenticate to Google Cloud
        if: github.ref == 'refs/heads/main'
        uses: google-github-actions/auth@v2
        with:
          workload_identity_provider: ${{ secrets.GCP_WIF_PROVIDER }}
          service_account: ${{ secrets.GCS_SERVICE_ACCOUNT }}

      - name: Upload examples to GCS
        if: github.ref == 'refs/heads/main'
        uses: google-github-actions/upload-cloud-storage@v2
        with:
          path: examples/rvf/output/
          destination: ${{ env.GCS_BUCKET }}/v${{ env.VERSION }}/
          glob: '*.rvf'

      - name: Upload manifest and checksums
        if: github.ref == 'refs/heads/main'
        run: |
          gsutil cp examples/rvf/manifest.json gs://${{ env.GCS_BUCKET }}/v${{ env.VERSION }}/manifest.json
          gsutil cp examples/rvf/output/checksums.sha256 gs://${{ env.GCS_BUCKET }}/v${{ env.VERSION }}/checksums.sha256
          # Update root manifest (latest)
          gsutil cp examples/rvf/manifest.json gs://${{ env.GCS_BUCKET }}/manifest.json

      - name: Verify upload
        if: github.ref == 'refs/heads/main'
        run: |
          echo "Verifying GCS upload..."
          REMOTE_COUNT=$(gsutil ls gs://${{ env.GCS_BUCKET }}/v${{ env.VERSION }}/*.rvf | wc -l)
          LOCAL_COUNT=$(ls examples/rvf/output/*.rvf | wc -l)
          echo "Remote: $REMOTE_COUNT files, Local: $LOCAL_COUNT files"
          if [ "$REMOTE_COUNT" -ne "$LOCAL_COUNT" ]; then
            echo "ERROR: File count mismatch!"
            exit 1
          fi
          echo "Upload verified successfully"