name: Security Scanning

on:
  push:
    branches: [ main, develop ]
  pull_request:
    branches: [ main, develop ]
  schedule:
    - cron: '0 2 * * *'  # Daily at 2 AM UTC
  workflow_dispatch:

jobs:
  dependency-scanning:
    name: Dependency Scanning
    runs-on: ubuntu-latest

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

    - name: Run pip-audit
      run: |
        pip install pip-audit
        pip-audit -r requirements.txt --format json --output dependency-report.json
        pip-audit -r requirements-dev.txt --format json --output dev-dependency-report.json

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

    - name: Run npm audit
      run: |
        cd frontend
        npm install
        npm audit --json > npm-audit-report.json
        npm audit fix || true

    - name: Generate Dependency License Report
      run: |
        pip install pip-licenses
        pip-licenses --format=json --output-path=license-report.json
        cd frontend
        npx license-report --output=json --only=prod > ../frontend-license-report.json

    - name: Upload security reports
      uses: actions/upload-artifact@v3
      with:
        name: security-reports
        path: |
          dependency-report.json
          dev-dependency-report.json
          safety-report.json
          dev-safety-report.json
          npm-audit-report.json
          license-report.json
          frontend-license-report.json

  code-scanning:
    name: Code Security Scanning
    runs-on: ubuntu-latest

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

    - name: Initialize CodeQL
      uses: github/codeql-action/init@v2
      with:
        languages: python, javascript

    - name: Autobuild
      uses: github/codeql-action/autobuild@v2

    - name: Perform CodeQL Analysis
      uses: github/codeql-action/analyze@v2

  secrets-scanning:
    name: Secrets Scanning
    runs-on: ubuntu-latest

    steps:
    - name: Checkout code
      uses: actions/checkout@v4
      with:
        fetch-depth: 0  # Fetch all history for secret scanning

    - name: Run Gitleaks
      uses: gitleaks/gitleaks-action@v2
      with:
        config-path: .gitleaks.toml
        report-path: gitleaks-report.json

    - name: Run TruffleHog
      uses: trufflesecurity/trufflehog@v3
      with:
        path: .
        base: main
        head: HEAD
        extra_args: --json --only-verified

    - name: Run detect-secrets
      run: |
        pip install detect-secrets
        detect-secrets scan . > detect-secrets-report.json

    - name: Upload secrets reports
      uses: actions/upload-artifact@v3
      with:
        name: secrets-reports
        path: |
          gitleaks-report.json
          trufflehog-report.json
          detect-secrets-report.json

  container-scanning:
    name: Container Security Scanning
    runs-on: ubuntu-latest

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

    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v3

    - name: Build backend image
      run: |
        cd backend
        docker build -t malaysian-sme-backend:test .

    - name: Build frontend image
      run: |
        cd frontend
        docker build -t malaysian-sme-frontend:test .

    - name: Run Trivy vulnerability scanner
      uses: aquasecurity/trivy-action@master
      with:
        image-ref: 'malaysian-sme-backend:test'
        format: 'json'
        output: 'trivy-backend-report.json'

    - name: Run Trivy on frontend
      uses: aquasecurity/trivy-action@master
      with:
        image-ref: 'malaysian-sme-frontend:test'
        format: 'json'
        output: 'trivy-frontend-report.json'

    - name: Run Snyk container scan
      uses: snyk/actions/docker@master
      env:
        SNYK_TOKEN: ${{ secrets.SNYK_TOKEN }}
      with:
        image: malaysian-sme-backend:test
        args: --file=backend/Dockerfile --json-file-output=snyk-backend-report.json

    - name: Run Snyk on frontend
      uses: snyk/actions/docker@master
      env:
        SNYK_TOKEN: ${{ secrets.SNYK_TOKEN }}
      with:
        image: malaysian-sme-frontend:test
        args: --file=frontend/Dockerfile --json-file-output=snyk-frontend-report.json

    - name: Upload container security reports
      uses: actions/upload-artifact@v3
      with:
        name: container-security-reports
        path: |
          trivy-backend-report.json
          trivy-frontend-report.json
          snyk-backend-report.json
          snyk-frontend-report.json

  compliance-checking:
    name: Compliance Checking
    runs-on: ubuntu-latest

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

    - name: Run Checkov infrastructure scanning
      uses: bridgecrewio/checkov-action@master
      with:
        directory: .
        framework: dockerfile
        output: cli
        soft_fail: true

    - name: Run GDPR compliance checks
      run: |
        pip install gdpr-compliance-checker
        gdpr-compliance-check --config .gdpr-config.json --output gdpr-report.json

    - name: Run PDPA compliance checks (Malaysia specific)
      run: |
        python scripts/pdpa-compliance-check.py --output pdpa-report.json

    - name: Upload compliance reports
      uses: actions/upload-artifact@v3
      with:
        name: compliance-reports
        path: |
          gdpr-report.json
          pdpa-report.json

  security-dashboard:
    name: Security Dashboard
    runs-on: ubuntu-latest
    needs: [dependency-scanning, code-scanning, secrets-scanning, container-scanning, compliance-checking]
    if: always()

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

    - name: Generate security dashboard
      run: |
        pip install jinja2
        python scripts/generate-security-dashboard.py

    - name: Upload security dashboard
      uses: actions/upload-artifact@v3
      with:
        name: security-dashboard
        path: security-dashboard.html

    - name: Comment on PR with security results
      if: github.event_name == 'pull_request'
      uses: actions/github-script@v6
      with:
        script: |
          const fs = require('fs');
          const path = require('path');

          // Read security reports
          const dependencyReport = JSON.parse(fs.readFileSync('security-reports/dependency-report.json', 'utf8'));
          const trivyReport = JSON.parse(fs.readFileSync('container-security-reports/trivy-backend-report.json', 'utf8'));

          // Generate summary
          const dependencyVulnerabilities = dependencyReport.vulnerabilities || [];
          const containerVulnerabilities = trivyReport.Results || [];

          let comment = `## 🔒 Security Scan Results\n\n`;
          comment += `### Dependency Vulnerabilities: ${dependencyVulnerabilities.length}\n`;
          comment += `### Container Vulnerabilities: ${containerVulnerabilities.length}\n\n`;

          if (dependencyVulnerabilities.length > 0 || containerVulnerabilities.length > 0) {
            comment += `⚠️ **Security issues found. Please review the reports.**\n\n`;
            comment += `📋 **Detailed Reports:**\n`;
            comment += `- [Dependency Report](https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }})\n`;
            comment += `- [Container Security Report](https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }})\n`;
          } else {
            comment += `✅ **No security issues found!**\n`;
          }

          // Post comment
          github.rest.issues.createComment({
            issue_number: context.issue.number,
            owner: context.repo.owner,
            repo: context.repo.repo,
            body: comment
          });

  remediation:
    name: Security Remediation
    runs-on: ubuntu-latest
    needs: security-dashboard
    if: failure() && github.event_name == 'push'

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

    - name: Create remediation issue
      uses: actions/github-script@v6
      with:
        script: |
          github.rest.issues.create({
            owner: context.repo.owner,
            repo: context.repo.repo,
            title: `🔒 Security Issues Detected - ${{ github.sha }}`,
            body: `Security scanning detected vulnerabilities in commit ${{ github.sha }}.

          **Branch:** ${{ github.ref }}
          **Commit:** ${{ github.sha }}
          **Author:** ${{ github.actor }}

          Please review the security reports and take appropriate action.

          📋 **Reports:**
          - [Security Dashboard](https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }})
          - [Dependency Report](https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }})
          - [Container Security Report](https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }})

          🎯 **Action Items:**
          1. Review and assess critical vulnerabilities
          2. Update affected dependencies
          3. Rebuild and redeploy secure containers
          4. Verify fixes with security scans

          This issue was automatically created by the CI/CD pipeline.`,
            labels: ['security', 'bug', 'priority-high']
          });