name: "CodeQL"

on:
  push:
    branches: [ "main" ]
  pull_request:
    branches: [ "main" ]
  schedule:
    - cron: '0 0 * * 0'

jobs:
  analyze:
    name: Analyze (${{ matrix.language }})
    runs-on: ubuntu-latest
    permissions:
      # required for all workflows
      security-events: write
      # required to fetch internal or private CodeQL packs
      packages: read
      # only required for workflows in private repositories
      actions: read
      contents: read

    strategy:
      fail-fast: false
      matrix:
        include:
        - language: javascript-typescript
          build-mode: none

    steps:
    - name: Clean up disk space
      run: |
        echo "Disk space before cleanup:"
        df -h
        echo ""
        echo "Cleaning up unnecessary files to free disk space..."
        
        # Remove large tool directories that aren't needed for JavaScript/TypeScript CodeQL analysis
        # These tools will be re-downloaded by GitHub Actions if needed for other jobs
        sudo rm -rf /usr/share/dotnet
        sudo rm -rf /opt/ghc
        sudo rm -rf /usr/local/share/boost
        sudo rm -rf /usr/local/lib/android
        sudo rm -rf /opt/az
        
        # Remove large tool caches (CodeQL will re-download only what it needs)
        sudo rm -rf "$AGENT_TOOLSDIRECTORY"
        
        # Clean up system caches
        sudo apt-get clean
        sudo rm -rf /var/lib/apt/lists/*
        
        # Remove Docker images if Docker is installed (not needed for CodeQL)
        docker system prune -af || true
        
        # Remove pip cache
        rm -rf ~/.cache/pip || true
        
        # Remove npm cache (will be recreated during checkout if needed)
        npm cache clean --force || true
        
        echo ""
        echo "Disk space after cleanup:"
        df -h

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

    # Initializes the CodeQL tools for scanning.
    - name: Initialize CodeQL
      uses: github/codeql-action/init@v4
      with:
        languages: ${{ matrix.language }}
        build-mode: ${{ matrix.build-mode }}
        # Use our custom config file to exclude unnecessary files
        config-file: ./.github/codeql/codeql-config.yml

    - name: Perform CodeQL Analysis
      uses: github/codeql-action/analyze@v4
      with:
        category: "/language:${{matrix.language}}"