name: Security Scanning

on:
  push:
    branches: [main, develop]
  pull_request:
    branches: [main, develop]
  schedule:
    # Run security scans weekly on Sundays at midnight
    - cron: '0 0 * * 0'

jobs:
  # ==========================================
  # Secret Scanning
  # ==========================================
  secret-scan:
    name: Secret Scanning
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: TruffleHog Secret Scan
        uses: trufflesecurity/trufflehog@main
        with:
          extra_args: --only-verified

      - name: GitLeaks Secret Scan
        uses: gitleaks/gitleaks-action@v2
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        continue-on-error: true

  # ==========================================
  # Dependency Vulnerability Scanning
  # ==========================================
  dependency-scan:
    name: Dependency Vulnerability Scan
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Run Trivy vulnerability scanner (filesystem)
        uses: aquasecurity/trivy-action@master
        with:
          scan-type: 'fs'
          scan-ref: '.'
          severity: 'CRITICAL,HIGH'
          format: 'sarif'
          output: 'trivy-fs-results.sarif'
        continue-on-error: true

      - name: Upload Trivy scan results to GitHub Security tab
        uses: github/codeql-action/upload-sarif@v3
        with:
          sarif_file: 'trivy-fs-results.sarif'
        continue-on-error: true

  # ==========================================
  # Go Security Scan
  # ==========================================
  go-security:
    name: Go Security Scan
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.21'

      - name: Run Gosec Security Scanner
        uses: securego/gosec@master
        with:
          args: '-no-fail -fmt sarif -out gosec-results.sarif ./consent-service/...'
        continue-on-error: true

      - name: Upload Gosec results to GitHub Security tab
        uses: github/codeql-action/upload-sarif@v3
        with:
          sarif_file: 'gosec-results.sarif'
        continue-on-error: true

      - name: Run govulncheck
        working-directory: ./consent-service
        run: |
          go install golang.org/x/vuln/cmd/govulncheck@latest
          govulncheck ./... || true

  # ==========================================
  # Python Security Scan
  # ==========================================
  python-security:
    name: Python Security Scan
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.11'

      - name: Install safety
        run: pip install safety bandit

      - name: Run Safety (dependency check)
        working-directory: ./backend
        run: safety check -r requirements.txt --full-report || true

      - name: Run Bandit (code security scan)
        working-directory: ./backend
        run: bandit -r . -f sarif -o bandit-results.sarif --exit-zero

      - name: Upload Bandit results to GitHub Security tab
        uses: github/codeql-action/upload-sarif@v3
        with:
          sarif_file: './backend/bandit-results.sarif'
        continue-on-error: true

  # ==========================================
  # Node.js Security Scan
  # ==========================================
  node-security:
    name: Node.js Security Scan
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: Install dependencies
        working-directory: ./website
        run: npm ci

      - name: Run npm audit
        working-directory: ./website
        run: npm audit --audit-level=high || true

  # ==========================================
  # Docker Image Scanning
  # ==========================================
  docker-security:
    name: Docker Image Security
    runs-on: ubuntu-latest
    needs: [go-security, python-security, node-security]

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Build consent-service image
        run: docker build -t breakpilot/consent-service:scan ./consent-service

      - name: Run Trivy on consent-service
        uses: aquasecurity/trivy-action@master
        with:
          image-ref: 'breakpilot/consent-service:scan'
          severity: 'CRITICAL,HIGH'
          format: 'sarif'
          output: 'trivy-consent-results.sarif'
        continue-on-error: true

      - name: Build backend image
        run: docker build -t breakpilot/backend:scan ./backend

      - name: Run Trivy on backend
        uses: aquasecurity/trivy-action@master
        with:
          image-ref: 'breakpilot/backend:scan'
          severity: 'CRITICAL,HIGH'
          format: 'sarif'
          output: 'trivy-backend-results.sarif'
        continue-on-error: true

      - name: Upload Trivy results
        uses: github/codeql-action/upload-sarif@v3
        with:
          sarif_file: 'trivy-consent-results.sarif'
        continue-on-error: true

  # ==========================================
  # Security Summary
  # ==========================================
  security-summary:
    name: Security Summary
    runs-on: ubuntu-latest
    needs: [secret-scan, dependency-scan, go-security, python-security, node-security, docker-security]
    if: always()

    steps:
      - name: Create security summary
        run: |
          echo "## Security Scan Results" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "| Scan Type | Status |" >> $GITHUB_STEP_SUMMARY
          echo "|-----------|--------|" >> $GITHUB_STEP_SUMMARY
          echo "| Secret Scanning | ${{ needs.secret-scan.result }} |" >> $GITHUB_STEP_SUMMARY
          echo "| Dependency Scanning | ${{ needs.dependency-scan.result }} |" >> $GITHUB_STEP_SUMMARY
          echo "| Go Security | ${{ needs.go-security.result }} |" >> $GITHUB_STEP_SUMMARY
          echo "| Python Security | ${{ needs.python-security.result }} |" >> $GITHUB_STEP_SUMMARY
          echo "| Node.js Security | ${{ needs.node-security.result }} |" >> $GITHUB_STEP_SUMMARY
          echo "| Docker Security | ${{ needs.docker-security.result }} |" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "### Notes" >> $GITHUB_STEP_SUMMARY
          echo "- Results are uploaded to the GitHub Security tab" >> $GITHUB_STEP_SUMMARY
          echo "- Weekly scheduled scans run on Sundays" >> $GITHUB_STEP_SUMMARY