name: Security & Dependency Updates

on:
  schedule:
    # Run security scans daily at 3 AM UTC
    - cron: "0 3 * * *"
  workflow_dispatch:
  push:
    paths:
      - "requirements*.txt"
      - "Dockerfile"
      - ".gitea/workflows/security.yml"

env:
  PYTHON_VERSION: "3.11"
  # GitHub token for better rate limits and authentication
  GH_TOKEN: ${{ secrets.GH_TOKEN }}

jobs:
  # Dependency vulnerability scan
  dependency-scan:
    name: Dependency Security Scan
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          token: ${{ secrets.CI_BOT_TOKEN }}

      - name: Install jq (for parsing JSON)
        run: sudo apt-get update && sudo apt-get install -y jq

      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: ${{ env.PYTHON_VERSION }}

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip --root-user-action=ignore
          # Pin safety to a v2 line where `check --json` is stable
          pip install --root-user-action=ignore "safety>=2,<3" bandit semgrep

      - name: Run Safety check
        run: |
          if [ -f requirements.txt ]; then
            safety check -r requirements.txt --json --output safety-report.json || true
          else
            echo "[]" > safety-report.json
          fi
          if [ -f requirements-dev.txt ]; then
            safety check -r requirements-dev.txt --json --output safety-dev-report.json || true
          else
            echo "[]" > safety-dev-report.json
          fi

      - name: Run Bandit security scan
        run: |
          if [ -d src ]; then
            bandit -r src/ -f json -o bandit-report.json || true
          else
            echo '{"results":[]}' > bandit-report.json
          fi

      - name: Run Semgrep security scan
        run: |
          if [ -d src ]; then
            semgrep --config=auto src/ --json --output=semgrep-report.json || true
          else
            echo '{"results":[]}' > semgrep-report.json
          fi

      - name: Upload security reports
        uses: actions/upload-artifact@v3
        with:
          name: security-reports-${{ github.run_number }}
          path: |
            safety-report.json
            safety-dev-report.json
            bandit-report.json
            semgrep-report.json

      - name: Check for critical vulnerabilities
        run: |
          echo "🔍 Checking for critical vulnerabilities..."

          # --- Safety results (robust to array/object formats) ---
          summarize_safety () {
            f="$1"
            if [ -f "$f" ]; then
              count=$(jq -r '
                if type=="array" then length
                else ((.vulnerabilities // []) | length)
                end
              ' "$f" 2>/dev/null || echo "0")

              if [ "${count:-0}" -gt 0 ]; then
                echo "⚠️ Found $count dependency vulnerabilities in $f"
                jq -r '
                  if type=="array" then
                    .[] | "- \(.package_name // .name) \(.installed_version // ""): \(.vulnerability_id // .advisory // "N/A")"
                  else
                    (.vulnerabilities // [])[] | "- \(.package_name) \(.installed_version): \(.vulnerability_id)"
                  end
                ' "$f" || true
              else
                echo "✅ No dependency vulnerabilities found in $f"
              fi
            fi
          }
          summarize_safety safety-report.json
          summarize_safety safety-dev-report.json

          # --- Bandit results (count HIGH severity properly) ---
          if [ -f bandit-report.json ]; then
            high_severity=$(jq '[.results[]? | select(.issue_severity=="HIGH")] | length' bandit-report.json 2>/dev/null || echo "0")
            if [ "${high_severity:-0}" -gt 0 ]; then
              echo "⚠️ Found $high_severity high-severity security issues"
            else
              echo "✅ No high-severity security issues found"
            fi
          fi

  # License compliance check
  license-check:
    name: License Compliance
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          token: ${{ secrets.CI_BOT_TOKEN }}

      - name: Install jq (for parsing JSON)
        run: sudo apt-get update && sudo apt-get install -y jq

      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: ${{ env.PYTHON_VERSION }}

      - name: Install pip-licenses
        run: |
          python -m pip install --upgrade pip --root-user-action=ignore
          pip install --root-user-action=ignore pip-licenses
          if [ -f requirements.txt ]; then
            pip install --root-user-action=ignore -r requirements.txt
          fi

      - name: Check licenses
        run: |
          echo "📄 Checking dependency licenses..."
          pip-licenses --format=json --output-file=licenses.json
          pip-licenses --format=markdown --output-file=licenses.md

          # Check for potentially problematic licenses
          problematic_licenses=("GPL" "AGPL" "LGPL")
          for license in "${problematic_licenses[@]}"; do
            if grep -iq "$license" licenses.json; then
              echo "⚠️ Found potentially problematic license: $license"
            fi
          done

          echo "✅ License check completed"

      - name: Upload license report
        uses: actions/upload-artifact@v3
        with:
          name: license-report-${{ github.run_number }}
          path: |
            licenses.json
            licenses.md

  # Dependency update check
  dependency-update:
    name: Check for Dependency Updates
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          token: ${{ secrets.CI_BOT_TOKEN }}

      - name: Install jq (for parsing JSON)
        run: sudo apt-get update && sudo apt-get install -y jq

      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: ${{ env.PYTHON_VERSION }}

      - name: Check for outdated packages
        run: |
          echo "📦 Checking for outdated packages..."
          if [ -f requirements.txt ]; then
            python -m pip install --upgrade pip --root-user-action=ignore
            pip install --root-user-action=ignore -r requirements.txt
          fi
          pip list --outdated --format=json > outdated-packages.json || true

          if [ -s outdated-packages.json ] && [ "$(cat outdated-packages.json)" != "[]" ]; then
            echo "📋 Outdated packages found:"
            jq -r '.[] | "- \(.name): \(.version) -> \(.latest_version)"' outdated-packages.json
          else
            echo "✅ All packages are up to date"
          fi

      - name: Create dependency update issue
        if: github.event_name == 'schedule'
        run: |
          if [ -s outdated-packages.json ] && [ "$(cat outdated-packages.json)" != "[]" ]; then
            echo "📝 Creating dependency update issue..."
            cat > issue-body.md << 'EOF'
## 📦 Dependency Updates Available

The following packages have updates available:
EOF
            jq -r '.[] | "- **\(.name)**: \(.version) →