name: Docker Build and Test

on:
  push:
    branches: [ main, develop ]
    paths:
      - 'services/transport-server/**'
  pull_request:
    branches: [ main ]
    paths:
      - 'services/transport-server/**'

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: lerobot-arena/transport-server

jobs:
  build-and-test:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
    - name: Checkout repository
      uses: actions/checkout@v4

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

    - name: Log in to 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 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=sha,prefix={{branch}}-
          type=raw,value=latest,enable={{is_default_branch}}

    - name: Build Docker image
      uses: docker/build-push-action@v5
      with:
        context: ./services/transport-server
        file: ./services/transport-server/Dockerfile
        push: false
        tags: ${{ steps.meta.outputs.tags }}
        labels: ${{ steps.meta.outputs.labels }}
        cache-from: type=gha
        cache-to: type=gha,mode=max
        load: true

    - name: Test Docker image
      run: |
        # Start the container in background
        docker run -d --name test-container -p 7860:7860 -e SERVE_FRONTEND=true ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
        
        # Wait for container to start
        sleep 30
        
        # Test health endpoint
        curl -f http://localhost:7860/health || exit 1
        
        # Test API health endpoint
        curl -f http://localhost:7860/api/health || exit 1
        
        # Test frontend is served
        curl -f http://localhost:7860/ | grep -q "LeRobot Arena" || exit 1
        
        # Check logs for errors
        docker logs test-container
        
        # Stop container
        docker stop test-container
        docker rm test-container

    - name: Push Docker image
      if: github.event_name != 'pull_request'
      uses: docker/build-push-action@v5
      with:
        context: ./services/transport-server
        file: ./services/transport-server/Dockerfile
        push: true
        tags: ${{ steps.meta.outputs.tags }}
        labels: ${{ steps.meta.outputs.labels }}
        cache-from: type=gha
        cache-to: type=gha,mode=max

  security-scan:
    runs-on: ubuntu-latest
    needs: build-and-test
    permissions:
      contents: read
      security-events: write

    steps:
    - name: Checkout repository
      uses: actions/checkout@v4

    - name: Run Trivy vulnerability scanner
      uses: aquasecurity/trivy-action@master
      with:
        image-ref: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
        format: 'sarif'
        output: 'trivy-results.sarif'

    - name: Upload Trivy scan results to GitHub Security tab
      uses: github/codeql-action/upload-sarif@v2
      if: always()
      with:
        sarif_file: 'trivy-results.sarif'