name: Security Scan

on:
  push:
    branches: [ main, develop ]
  pull_request:
    branches: [ main, develop ]
  schedule:
    - cron: '0 0 * * 0'  # Weekly on Sunday

jobs:
  security:
    runs-on: ubuntu-latest
    
    permissions:
      contents: read
      security-events: write  # For CodeQL
      actions: read
    
    steps:
    - uses: actions/checkout@v4
    
    - name: Set up Python
      uses: actions/setup-python@v5
      with:
        python-version: '3.11'
    
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install bandit safety
        pip install -r backend/requirements.txt
    
    - name: Run Bandit security scan
      run: |
        bandit -r backend/app -ll
      continue-on-error: true
    
    - name: Check dependencies for known vulnerabilities
      run: |
        safety check --json
      continue-on-error: true
    
    - name: Run CodeQL Analysis
      uses: github/codeql-action/init@v3
      with:
        languages: python
    
    - name: Perform CodeQL Analysis
      uses: github/codeql-action/analyze@v3