name: 🔒 Security Scan

on:
  push:
    branches: [main, master, dev]
  pull_request:
    branches: [main, master]
  schedule:
    - cron: '0 0 * * 0'
  workflow_dispatch:

permissions:
  contents: read
  security-events: write
  actions: read

jobs:
  codeql:
    name: CodeQL Analysis
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        language: ['javascript', 'typescript', 'python']
    
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      
      - name: Initialize CodeQL
        uses: github/codeql-action/init@v3
        with:
          languages: ${{ matrix.language }}
      
      - name: Autobuild
        uses: github/codeql-action/autobuild@v3
      
      - name: Perform CodeQL Analysis
        uses: github/codeql-action/analyze@v3

  dependency-scan:
    name: Dependency Scan
    runs-on: ubuntu-latest
    
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      
      - name: Run npm audit
        if: hashFiles('package.json') != ''
        run: npm audit --audit-level=moderate || true
      
      - name: Dependency Review
        uses: actions/dependency-review-action@v4
        if: github.event_name == 'pull_request'