# ============================================================================
# BlackRoad OS - Security Scanning Pipeline
# Copyright (c) 2025 BlackRoad OS, Inc. / Alexa Louise Amundson
# All Rights Reserved.
# ============================================================================
#
# Comprehensive security scanning workflow.
# Runs on push, PR, and weekly schedule.
# ============================================================================

name: Security

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

permissions:
  contents: read
  security-events: write

jobs:
  # ─────────────────────────────────────────────────────────────────────────
  # CodeQL Analysis
  # ─────────────────────────────────────────────────────────────────────────
  codeql:
    name: CodeQL Analysis
    runs-on: ubuntu-latest
    permissions:
      actions: read
      contents: read
      security-events: write

    strategy:
      fail-fast: false
      matrix:
        language: ['python']

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

      - name: Initialize CodeQL
        uses: github/codeql-action/init@v3
        with:
          languages: ${{ matrix.language }}
          queries: security-and-quality

      - name: Autobuild
        uses: github/codeql-action/autobuild@v3

      - name: Perform CodeQL Analysis
        uses: github/codeql-action/analyze@v3
        with:
          category: "/language:${{matrix.language}}"

  # ─────────────────────────────────────────────────────────────────────────
  # Dependency Vulnerability Scan
  # ─────────────────────────────────────────────────────────────────────────
  dependency-scan:
    name: Dependency Scan
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        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 pip-audit

      - name: Check for vulnerable dependencies
        run: |
          echo "## Dependency Vulnerability Scan" >> $GITHUB_STEP_SUMMARY

          # Check requirements.txt if exists
          if [ -f requirements.txt ]; then
            echo "### requirements.txt" >> $GITHUB_STEP_SUMMARY
            pip-audit -r requirements.txt --format markdown >> $GITHUB_STEP_SUMMARY 2>/dev/null || echo "No issues found" >> $GITHUB_STEP_SUMMARY
          fi

          # Check pyproject.toml if exists
          if [ -f pyproject.toml ]; then
            echo "### pyproject.toml" >> $GITHUB_STEP_SUMMARY
            pip-audit --format markdown >> $GITHUB_STEP_SUMMARY 2>/dev/null || echo "No issues found" >> $GITHUB_STEP_SUMMARY
          fi
        continue-on-error: true

  # ─────────────────────────────────────────────────────────────────────────
  # Secret Scanning
  # ─────────────────────────────────────────────────────────────────────────
  secret-scan:
    name: Secret Scan
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Install truffleHog
        run: pip install trufflehog

      - name: Scan for secrets
        run: |
          echo "## Secret Scan Results" >> $GITHUB_STEP_SUMMARY

          # Scan with truffleHog
          trufflehog filesystem . --only-verified --json 2>/dev/null | head -20 > secrets.json || true

          if [ -s secrets.json ]; then
            echo "::warning::Potential secrets detected. Review secrets.json"
            echo "Potential secrets found - review required" >> $GITHUB_STEP_SUMMARY
          else
            echo "No verified secrets detected" >> $GITHUB_STEP_SUMMARY
          fi
        continue-on-error: true

      - name: Check for common secret patterns
        run: |
          echo "### Pattern Checks" >> $GITHUB_STEP_SUMMARY

          # Check for AWS keys
          if grep -rE "AKIA[0-9A-Z]{16}" --include="*.py" --include="*.sh" --include="*.yaml" . 2>/dev/null; then
            echo "::warning::Potential AWS access key found"
            echo "- Potential AWS key pattern detected" >> $GITHUB_STEP_SUMMARY
          fi

          # Check for private keys
          if grep -rE "BEGIN (RSA |DSA |EC |OPENSSH )?PRIVATE KEY" --include="*.py" --include="*.sh" --include="*.pem" . 2>/dev/null; then
            echo "::warning::Private key found in repository"
            echo "- Private key detected" >> $GITHUB_STEP_SUMMARY
          fi

          # Check for hardcoded passwords
          if grep -rEi "password\s*=\s*['\"][^'\"]{8,}['\"]" --include="*.py" --include="*.sh" . 2>/dev/null; then
            echo "::warning::Potential hardcoded password found"
            echo "- Potential hardcoded password detected" >> $GITHUB_STEP_SUMMARY
          fi

          echo "Pattern scan complete" >> $GITHUB_STEP_SUMMARY
        continue-on-error: true

  # ─────────────────────────────────────────────────────────────────────────
  # SAST (Static Application Security Testing)
  # ─────────────────────────────────────────────────────────────────────────
  sast:
    name: SAST Scan
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

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

      - name: Install Bandit
        run: pip install bandit

      - name: Run Bandit security scan
        run: |
          echo "## Bandit Security Scan" >> $GITHUB_STEP_SUMMARY

          bandit -r . -f json -o bandit-report.json --exclude './.git,./node_modules,./.venv' || true

          # Convert to markdown summary
          if [ -f bandit-report.json ]; then
            ISSUES=$(cat bandit-report.json | python3 -c "import json,sys; d=json.load(sys.stdin); print(len(d.get('results', [])))")
            echo "Found $ISSUES security issues" >> $GITHUB_STEP_SUMMARY

            if [ "$ISSUES" -gt 0 ]; then
              echo "" >> $GITHUB_STEP_SUMMARY
              echo "### Top Issues" >> $GITHUB_STEP_SUMMARY
              cat bandit-report.json | python3 -c "
import json, sys
d = json.load(sys.stdin)
for r in d.get('results', [])[:10]:
    print(f\"- **{r['issue_severity']}**: {r['issue_text']} ({r['filename']}:{r['line_number']})\")
" >> $GITHUB_STEP_SUMMARY
            fi
          fi
        continue-on-error: true

      - name: Upload Bandit report
        uses: actions/upload-artifact@v4
        if: always()
        with:
          name: bandit-report
          path: bandit-report.json
          retention-days: 30