name: Build and Publish Container

on:
  workflow_dispatch:

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}
  # For automatic pushes to Hugging Face Spaces, add
  # 'HF_TOKEN' as a repository secret pointing to a Hugging Face access token
  # with 'repo' scope for the target space `MCP-1st-Birthday/Roslyn-Stone`.

jobs:
  build-and-push:
    name: Build and Push Container Image
    environment:
      name: production
    runs-on: ubuntu-latest
    timeout-minutes: 45
    permissions:
      contents: read
      packages: write
      id-token: write
      attestations: write

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

      - name: Log in to GitHub Container Registry
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
            type=sha,prefix={{branch}}-
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Build and push Docker image
        uses: docker/build-push-action@v6
        id: build
        timeout-minutes: 30
        with:
          context: .
          file: ./src/RoslynStone.Api/Dockerfile
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          platforms: linux/amd64,linux/arm64

      - name: Generate artifact attestation
        if: github.event_name != 'pull_request'
        uses: actions/attest-build-provenance@v2
        with:
          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          subject-digest: ${{ steps.build.outputs.digest }}
          push-to-registry: true

      # Upload repository or built artifacts to Hugging Face Space
      - name: Set up Python for `hf` CLI
        if: github.event_name != 'pull_request' && github.ref == 'refs/heads/main'
        uses: actions/setup-python@v4
        with:
          python-version: '3.11'

      - name: Install HF CLI
        if: github.event_name != 'pull_request' && github.ref == 'refs/heads/main'
        timeout-minutes: 2
        run: |
          python -m pip install --upgrade pip
          pip install huggingface-hub
          # Try to install the `uvx` wrapper if available; do not fail if not published
          pip install uvx || true
          command -v uvx || true
          hf --version || true
        env:
          HF_TOKEN: ${{ secrets.HF_TOKEN }}

      - name: Login to Hugging Face (non-interactive using token)
        if: github.event_name != 'pull_request' && github.ref == 'refs/heads/main'
        timeout-minutes: 1
        run: |
          set -eux
          if [ -z "${HF_TOKEN}" ]; then
            echo "HF_TOKEN missing; skipping 'hf auth login'";
            exit 0;
          fi
          # Try uvx hugging-cli if available
          if command -v uvx >/dev/null 2>&1; then
            uvx hugging-cli login --token "${HF_TOKEN}" || true
          fi
          hf auth login --token "${HF_TOKEN}"
        env:
          HF_TOKEN: ${{ secrets.HF_TOKEN }}

      - name: Upload to Hugging Face Space (using uvx if available, else hf)
        if: github.event_name != 'pull_request' && github.ref == 'refs/heads/main'
        timeout-minutes: 10
        run: |
          # Use uvx wrapper if present, otherwise use hf CLI directly.
          # This uploads the repository root while excluding common build and binary dirs.
          set -eux
          if [ -z "${HF_TOKEN}" ]; then
            echo "HF_TOKEN is not set; skipping Hugging Face upload.";
            exit 0;
          fi
          # Upload the repository root to the Space, excluding common build outputs
          if command -v uvx >/dev/null 2>&1; then
            uvx hf upload MCP-1st-Birthday/Roslyn-Stone . --repo-type=space --exclude="/.venv/*" --exclude="/bin/*" --exclude="/obj/*" --exclude="/tests/*" --exclude="/.github/*" --delete="*" --commit-message="CI: Sync from GitHub Actions ${GITHUB_SHA}"
          else
            hf upload MCP-1st-Birthday/Roslyn-Stone . --repo-type=space --exclude="/.venv/*" --exclude="/bin/*" --exclude="/obj/*" --exclude="/tests/*" --exclude="/.github/*" --delete="*" --commit-message="CI: Sync from GitHub Actions ${GITHUB_SHA}"
          fi
        env:
          HF_TOKEN: ${{ secrets.HF_TOKEN }}