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: 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
          pip install --root-user-action=ignore safety bandit semgrep

      - name: Run Safety check
        run: |
          safety check -r requirements.txt --json --output safety-report.json || true
          safety check -r requirements-dev.txt --json --output safety-dev-report.json || true

      - name: Run Bandit security scan
        run: |
          bandit -r src/ -f json -o bandit-report.json || true

      - name: Run Semgrep security scan
        run: |
          semgrep --config=auto src/ --json --output=semgrep-report.json || true

      - 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..."

          # Check Safety results
          if [ -f safety-report.json ]; then
            critical_count=$(jq '.vulnerabilities | length' safety-report.json 2>/dev/null || echo "0")
            if [ "$critical_count" -gt 0 ]; then
              echo "Found $critical_count dependency vulnerabilities"
              jq '.vulnerabilities[] | "- \(.package_name) \(.installed_version): \(.vulnerability_id)"' safety-report.json
            else
              echo "No dependency vulnerabilities found"
            fi
          fi

          # Check Bandit results
          if [ -f bandit-report.json ]; then
            high_severity=$(jq '.results[] | select(.issue_severity == "HIGH") | length' bandit-report.json 2>/dev/null | wc -l)
            if [ "$high_severity" -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: 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
          pip install --root-user-action=ignore -r requirements.txt

      - 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 problematic licenses
          problematic_licenses=("GPL" "AGPL" "LGPL")

          for license in "${problematic_licenses[@]}"; do
            if grep -i "$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: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: ${{ env.PYTHON_VERSION }}

      - name: Install pip-check-updates equivalent
        run: |
          python -m pip install --upgrade pip --root-user-action=ignore
          pip install --root-user-action=ignore pip-review

      - name: Check for outdated packages
        run: |
          echo "Checking for outdated packages..."
          pip install --root-user-action=ignore -r requirements.txt
          pip list --outdated --format=json > outdated-packages.json || true

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

      - name: Upload dependency reports
        uses: actions/upload-artifact@v3
        with:
          name: dependency-reports-${{ github.run_number }}
          path: |
            outdated-packages.json

  # Code quality metrics
  code-quality:
    name: Code Quality Metrics
    runs-on: ubuntu-latest

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

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

      - name: Install quality tools
        run: |
          python -m pip install --upgrade pip --root-user-action=ignore
          pip install --root-user-action=ignore radon xenon vulture
          pip install --root-user-action=ignore -r requirements.txt

      - name: Calculate code complexity
        run: |
          echo "Calculating code complexity..."
          radon cc src/ --json > complexity-report.json
          radon mi src/ --json > maintainability-report.json

          echo "Complexity Summary:"
          radon cc src/ --average

          echo "Maintainability Summary:"
          radon mi src/

      - name: Find dead code
        run: |
          echo "Checking for dead code..."
          vulture src/ --json > dead-code-report.json || true

      - name: Check for code smells
        run: |
          echo "Checking for code smells..."
          xenon --max-absolute B --max-modules A --max-average A src/ || true

      - name: Upload quality reports
        uses: actions/upload-artifact@v3
        with:
          name: code-quality-reports-${{ github.run_number }}
          path: |
            complexity-report.json
            maintainability-report.json
            dead-code-report.json

  # Security summary
  security-summary:
    name: Security Summary
    runs-on: ubuntu-latest
    needs: [dependency-scan, license-check, code-quality]
    if: always()

    steps:
      - name: Download all artifacts
        uses: actions/download-artifact@v3

      - name: Generate security summary
        run: |
          echo "# Security Scan Summary" > security-summary.md
          echo "" >> security-summary.md
          echo "**Scan Date:** $(date -u)" >> security-summary.md
          echo "**Repository:** ${{ github.repository }}" >> security-summary.md
          echo "**Commit:** ${{ github.sha }}" >> security-summary.md
          echo "" >> security-summary.md

          echo "## Results" >> security-summary.md
          echo "" >> security-summary.md

          # Dependency scan results
          if [ -f security-reports-*/safety-report.json ]; then
            vuln_count=$(jq '.vulnerabilities | length' security-reports-*/safety-report.json 2>/dev/null || echo "0")
            if [ "$vuln_count" -eq 0 ]; then
              echo "- Dependency Scan: No vulnerabilities found" >> security-summary.md
            else
              echo "- Dependency Scan: $vuln_count vulnerabilities found" >> security-summary.md
            fi
          else
            echo "- Dependency Scan: Results not available" >> security-summary.md
          fi

          # Docker scan results (removed Trivy)
          echo "- Docker Scan: Skipped (Trivy removed)" >> security-summary.md

          # License check results
          if [ -f license-report-*/licenses.json ]; then
            echo "- License Check: Completed" >> security-summary.md
          else
            echo "- License Check: Results not available" >> security-summary.md
          fi

          # Code quality results
          if [ -f code-quality-reports-*/complexity-report.json ]; then
            echo "- Code Quality: Analyzed" >> security-summary.md
          else
            echo "- Code Quality: Results not available" >> security-summary.md
          fi

          echo "" >> security-summary.md
          echo "## Detailed Reports" >> security-summary.md
          echo "" >> security-summary.md
          echo "Detailed reports are available in the workflow artifacts." >> security-summary.md

          cat security-summary.md

      - name: Upload security summary
        uses: actions/upload-artifact@v3
        with:
          name: security-summary-${{ github.run_number }}
          path: security-summary.md