name: Lighthouse CI

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

jobs:
  lighthouse:
    runs-on: ubuntu-latest
    
    steps:
      - uses: actions/checkout@v3
      
      - name: Setup Node.js
        uses: actions/setup-node@v3
        with:
          node-version: '18'
          cache: 'npm'
      
      - name: Install dependencies
        run: npm ci
      
      - name: Build application
        run: npm run build
      
      - name: Run Lighthouse CI
        run: npm run lighthouse
        env:
          LHCI_GITHUB_APP_TOKEN: ${{ secrets.LHCI_GITHUB_APP_TOKEN }}
      
      - name: Upload Lighthouse results
        uses: actions/upload-artifact@v3
        if: always()
        with:
          name: lighthouse-results
          path: lighthouse-reports
      
      - name: Comment PR with results
        if: github.event_name == 'pull_request'
        uses: actions/github-script@v6
        with:
          script: |
            const fs = require('fs');
            const path = require('path');
            
            // 读取结果
            const resultsPath = path.join(process.cwd(), 'lighthouse-reports', 'manifest.json');
            if (fs.existsSync(resultsPath)) {
              const results = JSON.parse(fs.readFileSync(resultsPath, 'utf-8'));
              
              // 生成评论
              const comment = `## 📊 Lighthouse CI Results
            
            ${results.map(r => `
            ### ${r.url}
            - **Performance**: ${(r.summary.performance * 100).toFixed(0)}/100
            - **Accessibility**: ${(r.summary.accessibility * 100).toFixed(0)}/100
            - **Best Practices**: ${(r.summary['best-practices'] * 100).toFixed(0)}/100
            - **SEO**: ${(r.summary.seo * 100).toFixed(0)}/100
            `).join('\n')}
            
            [View Full Report](${results[0].url})`;
              
              // 发布评论
              await github.rest.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: context.issue.number,
                body: comment
              });
            }