name: License Check

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

jobs:
  license-check:
    runs-on: ubuntu-latest
    
    steps:
    - name: Checkout code
      uses: actions/checkout@v4
    
    - name: Check license headers
      run: |
        # Check if LICENSE file exists
        if [ ! -f "LICENSE" ]; then
          echo "LICENSE file is missing"
          exit 1
        fi
        
        # Check if it's MIT license
        if ! grep -q "MIT License" LICENSE; then
          echo "License file should be MIT License"
          exit 1
        fi
        
        echo "License file OK"
    
    - name: Check Go files for license headers
      run: |
        # Check for license headers in Go files (optional but good practice)
        missing_headers=0
        
        for file in $(find . -name "*.go" -not -path "./vendor/*" -not -path "./.git/*"); do
          if ! head -10 "$file" | grep -q "Copyright" && ! head -10 "$file" | grep -q "MIT"; then
            echo "Missing license header in: $file"
            missing_headers=$((missing_headers + 1))
          fi
        done
        
        if [ $missing_headers -gt 0 ]; then
          echo "Found $missing_headers Go files without license headers"
          echo "Consider adding license headers to Go files"
          # Don't fail the build, just warn
        else
          echo "All Go files have license headers"
        fi