name: Test bootc Documentation

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]

jobs:
  test-base-image:
    runs-on: ubuntu-latest
    
    steps:
    - uses: actions/checkout@v4
    
    - name: Set up Podman
      run: |
        sudo apt-get update
        sudo apt-get install -y podman
        podman --version
    
    - name: Build base image
      run: |
        cd building
        podman build -f base-images-wo-bootc.md -t debian-bootc-test:latest .
        # Extract Containerfile from markdown
        grep -A 1000 "```dockerfile" base-images-wo-bootc.md | grep -B 1000 "```" | sed '1d;$d' > Containerfile.test
        podman build -f Containerfile.test -t debian-bootc-test:latest .
    
    - name: Test image validation
      run: |
        # Test label validation
        podman inspect debian-bootc-test:latest | grep -q '"containers.bootc": "1"' || exit 1
        podman inspect debian-bootc-test:latest | grep -q '"ostree.bootable": "1"' || exit 1
        echo "✅ Label validation passed"
        
        # Test filesystem validation
        MOUNTPOINT=$(podman image mount debian-bootc-test:latest)
        if [ -n "$MOUNTPOINT" ]; then
          # Check systemd as init
          if [ -L "$MOUNTPOINT/sbin/init" ] && [ "$(readlink "$MOUNTPOINT/sbin/init")" = "/lib/systemd/systemd" ]; then
            echo "✅ systemd is properly set as init"
          else
            echo "❌ systemd is not set as init"
            exit 1
          fi
          
          # Check essential binaries
          for binary in /lib/systemd/systemd /usr/bin/systemctl /sbin/init; do
            if [ -f "$MOUNTPOINT$binary" ]; then
              echo "✅ $binary exists"
            else
              echo "❌ $binary missing"
              exit 1
            fi
          done
          
          podman image umount debian-bootc-test:latest
        else
          echo "⚠️ Could not mount image, skipping filesystem validation"
        fi
        
        echo "✅ All validations passed"
    
    - name: Test nginx layer
      run: |
        # Create a simple nginx test
        cat > nginx-test.dockerfile << 'EOF'
        FROM debian-bootc-test:latest
        RUN apt update && apt install -y nginx && apt clean
        RUN systemctl enable nginx.service
        LABEL containers.bootc 1
        LABEL ostree.bootable 1
        CMD ["/lib/systemd/systemd"]
        EOF
        
        podman build -f nginx-test.dockerfile -t debian-bootc-nginx-test:latest .
        
        # Test nginx configuration
        podman run --rm debian-bootc-nginx-test:latest nginx -t || echo "⚠️ nginx config test failed (expected in container)"
        
        echo "✅ nginx layer test completed"
    
    - name: Cleanup
      if: always()
      run: |
        podman rmi debian-bootc-test:latest debian-bootc-nginx-test:latest || true
        rm -f nginx-test.dockerfile Containerfile.test || true

  test-documentation:
    runs-on: ubuntu-latest
    
    steps:
    - uses: actions/checkout@v4
    
    - name: Check markdown syntax
      run: |
        # Install markdown lint if available
        if command -v markdownlint >/dev/null 2>&1; then
          find . -name "*.md" -not -path "./.git/*" | xargs markdownlint
        else
          echo "markdownlint not available, skipping markdown syntax check"
        fi
    
    - name: Check for broken links
      run: |
        # Simple check for obvious broken links
        grep -r "https://" . --include="*.md" | grep -v "github.com" | grep -v "debian.org" | grep -v "apache.org" || echo "No external links found"
    
    - name: Validate documentation structure
      run: |
        # Check that all referenced files exist
        for file in README.md COMPATIBILITY.md installation.md; do
          if [ -f "$file" ]; then
            echo "✅ $file exists"
          else
            echo "❌ $file missing"
            exit 1
          fi
        done
        
        # Check that building directory has required files
        for file in building/base-images.md building/base-images-wo-bootc.md; do
          if [ -f "$file" ]; then
            echo "✅ $file exists"
          else
            echo "❌ $file missing"
            exit 1
          fi
        done
        
        echo "✅ Documentation structure validation passed"