---
# yaml-language-server: $schema=https://json.schemastore.org/github-workflow.json
name: Security Trends Analysis

on:
  workflow_run:
    workflows: ['Security Checks']
    types:
      - completed

jobs:
  analyze-trends:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      issues: write

    steps:
      - uses: actions/checkout@v4
        with:
          ref: main
          fetch-depth: 0

      - name: Download latest results
        uses: actions/download-artifact@v4
        with:
          name: security-reports-${{ github.event.workflow_run.id }}
          path: latest-results

      - name: Analyze Trends
        id: analyze
        uses: actions/github-script@v7
        with:
          script: |
            const fs = require('fs');
            const path = require('path');

            try {
              // ... [previous code remains the same until report generation]

              // Generate trend report
              const report = generateTrendReport(trends);

              // Save report explicitly for next step
              console.log('Writing trend report to file...');
              fs.writeFileSync('trend-report.md', report);
              console.log('Trend report saved successfully');

              // Save history
              fs.writeFileSync(historyFile, JSON.stringify(history, null, 2));

              // Generate and save chart
              const chartData = generateChartData(history);
              fs.writeFileSync('security-trends.svg', chartData);

              // Set outputs for other steps
              core.setOutput('has_vulnerabilities',
                trends.critical.current > 0 || trends.high.current > 0);
              core.setOutput('trend_status',
                trends.critical.trend > 0 || trends.high.trend > 0 ? 'worsening' : 'improving');
              core.setOutput('report_path', 'trend-report.md');

            } catch (error) {
              core.setFailed(`Failed to analyze trends: ${error.message}`);
              throw error;
            }

      - name: Verify Report File
        id: verify
        shell: bash
        run: |
          if [ ! -f "trend-report.md" ]; then
            echo "::error::Trend report file not found"
            echo "exists=false" >> "$GITHUB_OUTPUT"
            exit 1
          else
            echo "exists=true" >> "$GITHUB_OUTPUT"
            echo "size=$(stat -f%z trend-report.md)" >> "$GITHUB_OUTPUT"
          fi

      - name: Create Trend Report Issue
        if: |
          github.event.workflow_run.conclusion == 'success' &&
          steps.verify.outputs.exists == 'true'
        uses: actions/github-script@v7
        with:
          script: |
            try {
              const fs = require('fs');
              const reportPath = 'trend-report.md';

              console.log('Reading trend report from:', reportPath);
              console.log('File size:', '${{ steps.verify.outputs.size }}', 'bytes');

              if (!fs.existsSync(reportPath)) {
                throw new Error('Trend report file not found despite verification');
              }

              const report = fs.readFileSync(reportPath, 'utf8');
              if (!report.trim()) {
                throw new Error('Trend report file is empty');
              }

              const hasVulnerabilities = '${{ steps.analyze.outputs.has_vulnerabilities }}' === 'true';
              const trendStatus = '${{ steps.analyze.outputs.trend_status }}';

              const title = `📊 Security Trend Report - ${
                hasVulnerabilities ?
                  `⚠️ Vulnerabilities ${trendStatus}` :
                  '✅ No vulnerabilities'
              }`;

              await github.rest.issues.create({
                owner: context.repo.owner,
                repo: context.repo.repo,
                title: title,
                body: report,
                labels: ['security', 'metrics', hasVulnerabilities ? 'attention-required' : 'healthy']
              });

              console.log('Successfully created trend report issue');

            } catch (error) {
              console.error('Failed to create trend report issue:', error);
              core.setFailed(`Failed to create trend report issue: ${error.message}`);
            }

      - name: Cleanup
        if: always()
        shell: bash
        run: |
          # Remove temporary files but keep the history
          rm -f trend-report.md security-trends.svg
          echo "Cleaned up temporary files"