name: README Quality Check

on:
  pull_request:
    paths: 
      - 'README*.md'
      - 'Docs/**/*.md'
  push:
    branches: [main, master, develop]
  workflow_dispatch:

permissions:
  contents: read
  pull-requests: write
  issues: write

jobs:
  readme-quality-check:
    name: Multi-language README Quality Assessment
    runs-on: ubuntu-latest
    
    steps:
    - name: Checkout repository
      uses: actions/checkout@v4
      
    - name: Set up Python
      uses: actions/setup-python@v5
      with:
        python-version: '3.11'
        
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install requests beautifulsoup4 pyyaml
        
    - name: Create quality checker script
      run: |
        cat > readme_checker.py << 'EOF'
        #!/usr/bin/env python3
        # -*- coding: utf-8 -*-
        """
        SuperClaude Multi-language README Quality Checker
        Checks version sync, link validity, and structural consistency
        """
        
        import os
        import re
        import requests
        import json
        from pathlib import Path
        from urllib.parse import urljoin
        
        class READMEQualityChecker:
            def __init__(self):
                self.readme_files = ['README.md', 'README-zh.md', 'README-ja.md', 'README-kr.md']
                self.results = {
                    'structure_consistency': [],
                    'link_validation': [],
                    'translation_sync': [],
                    'overall_score': 0
                }
                
            def check_structure_consistency(self):
                """Check structural consistency"""
                print("🔍 Checking structural consistency...")
                
                structures = {}
                for file in self.readme_files:
                    if os.path.exists(file):
                        with open(file, 'r', encoding='utf-8') as f:
                            content = f.read()
                            # Extract heading structure
                            headers = re.findall(r'^#{1,6}\s+(.+)$', content, re.MULTILINE)
                            structures[file] = len(headers)
                            
                # Compare structural differences
                line_counts = [structures.get(f, 0) for f in self.readme_files if f in structures]
                if line_counts:
                    max_diff = max(line_counts) - min(line_counts)
                    consistency_score = max(0, 100 - (max_diff * 5))
                    
                    self.results['structure_consistency'] = {
                        'score': consistency_score,
                        'details': structures,
                        'status': 'PASS' if consistency_score >= 90 else 'WARN'
                    }
                    
                    print(f"✅ Structural consistency: {consistency_score}/100")
                    for file, count in structures.items():
                        print(f"   {file}: {count} headers")
                        
            def check_link_validation(self):
                """Check link validity"""
                print("🔗 Checking link validity...")
                
                all_links = {}
                broken_links = []
                
                for file in self.readme_files:
                    if os.path.exists(file):
                        with open(file, 'r', encoding='utf-8') as f:
                            content = f.read()
                            
                        # Extract all links
                        links = re.findall(r'\[([^\]]+)\]\(([^)]+)\)', content)
                        all_links[file] = []
                        
                        for text, url in links:
                            link_info = {'text': text, 'url': url, 'status': 'unknown'}
                            
                            # Check local file links
                            if not url.startswith(('http://', 'https://', '#')):
                                if os.path.exists(url):
                                    link_info['status'] = 'valid'
                                else:
                                    link_info['status'] = 'broken'
                                    broken_links.append(f"{file}: {url}")
                            
                            # HTTP link check (simplified)
                            elif url.startswith(('http://', 'https://')):
                                try:
                                    # Only check key links to avoid excessive requests
                                    if any(domain in url for domain in ['github.com', 'pypi.org', 'npmjs.com']):
                                        response = requests.head(url, timeout=10, allow_redirects=True)
                                        link_info['status'] = 'valid' if response.status_code < 400 else 'broken'
                                    else:
                                        link_info['status'] = 'skipped'
                                except:
                                    link_info['status'] = 'error'
                            else:
                                link_info['status'] = 'anchor'
                                
                            all_links[file].append(link_info)
                
                # Calculate link health score
                total_links = sum(len(links) for links in all_links.values())
                broken_count = len(broken_links)
                link_score = max(0, 100 - (broken_count * 10)) if total_links > 0 else 100
                
                self.results['link_validation'] = {
                    'score': link_score,
                    'total_links': total_links,
                    'broken_links': broken_count,
                    'broken_list': broken_links[:10],  # Show max 10
                    'status': 'PASS' if link_score >= 80 else 'FAIL'
                }
                
                print(f"✅ Link validity: {link_score}/100")
                print(f"   Total links: {total_links}")
                print(f"   Broken links: {broken_count}")
                
            def check_translation_sync(self):
                """Check translation sync"""
                print("🌍 Checking translation sync...")
                
                if not all(os.path.exists(f) for f in self.readme_files):
                    print("⚠️  Some README files are missing")
                    self.results['translation_sync'] = {
                        'score': 60,
                        'status': 'WARN',
                        'message': 'Some README files are missing'
                    }
                    return
                
                # Check file modification times
                mod_times = {}
                for file in self.readme_files:
                    mod_times[file] = os.path.getmtime(file)
                    
                # Calculate time difference (seconds)
                times = list(mod_times.values())
                time_diff = max(times) - min(times)
                
                # Score based on time diff (within 7 days = synced)
                sync_score = max(0, 100 - (time_diff / (7 * 24 * 3600) * 20))
                
                self.results['translation_sync'] = {
                    'score': int(sync_score),
                    'time_diff_days': round(time_diff / (24 * 3600), 2),
                    'status': 'PASS' if sync_score >= 80 else 'WARN',
                    'mod_times': {f: f"{os.path.getmtime(f):.0f}" for f in self.readme_files}
                }
                
                print(f"✅ Translation sync: {int(sync_score)}/100")
                print(f"   Max time difference: {round(time_diff / (24 * 3600), 1)} days")
                
            def generate_report(self):
                """Generate quality report"""
                print("\n📊 Generating quality report...")
                
                # Calculate overall score
                scores = [
                    self.results['structure_consistency'].get('score', 0),
                    self.results['link_validation'].get('score', 0),
                    self.results['translation_sync'].get('score', 0)
                ]
                overall_score = sum(scores) // len(scores)
                self.results['overall_score'] = overall_score
                
                # Generate GitHub Actions summary
                pipe = "|"
                table_header = f"{pipe} Check {pipe} Score {pipe} Status {pipe} Details {pipe}"
                table_separator = f"{pipe}----------|------|------|------|"
                table_row1 = f"{pipe} 📐 Structure {pipe} {self.results['structure_consistency'].get('score', 0)}/100 {pipe} {self.results['structure_consistency'].get('status', 'N/A')} {pipe} {len(self.results['structure_consistency'].get('details', {}))} files {pipe}"
                table_row2 = f"{pipe} 🔗 Links {pipe} {self.results['link_validation'].get('score', 0)}/100 {pipe} {self.results['link_validation'].get('status', 'N/A')} {pipe} {self.results['link_validation'].get('broken_links', 0)} broken {pipe}"
                table_row3 = f"{pipe} 🌍 Translation {pipe} {self.results['translation_sync'].get('score', 0)}/100 {pipe} {self.results['translation_sync'].get('status', 'N/A')} {pipe} {self.results['translation_sync'].get('time_diff_days', 0)} days diff {pipe}"

                summary_parts = [
                    "## 📊 README Quality Check Report",
                    "",
                    f"### 🏆 Overall Score: {overall_score}/100",
                    "",
                    table_header,
                    table_separator,
                    table_row1,
                    table_row2,
                    table_row3,
                    "",
                    "### 📋 Details",
                    "",
                    "**Structural consistency details:**"
                ]
                summary = "\n".join(summary_parts)

                for file, count in self.results['structure_consistency'].get('details', {}).items():
                    summary += f"\n- `{file}`: {count} headings"

                if self.results['link_validation'].get('broken_links'):
                    summary += f"\n\n**Broken links:**\n"
                    for link in self.results['link_validation']['broken_list']:
                        summary += f"\n- ❌ {link}"

                summary += f"\n\n### 🎯 Recommendations\n"

                if overall_score >= 90:
                    summary += "✅ Excellent quality! Keep it up."
                elif overall_score >= 70:
                    summary += "⚠️ Good quality with room for improvement."
                else:
                    summary += "🚨 Needs improvement! Please review the issues above."

                # Write GitHub Actions summary
                github_step_summary = os.environ.get('GITHUB_STEP_SUMMARY')
                if github_step_summary:
                    with open(github_step_summary, 'w', encoding='utf-8') as f:
                        f.write(summary)
                
                # Save detailed results
                with open('readme-quality-report.json', 'w', encoding='utf-8') as f:
                    json.dump(self.results, f, indent=2, ensure_ascii=False)
                
                print("✅ Report generated")

                # Determine exit code based on score
                return 0 if overall_score >= 70 else 1
                
            def run_all_checks(self):
                """Run all checks"""
                print("🚀 Starting README quality check...\n")
                
                self.check_structure_consistency()
                self.check_link_validation() 
                self.check_translation_sync()
                
                exit_code = self.generate_report()
                
                print(f"\n🎯 Check complete! Score: {self.results['overall_score']}/100")
                return exit_code

        if __name__ == "__main__":
            checker = READMEQualityChecker()
            exit_code = checker.run_all_checks()
            exit(exit_code)
        EOF
        
    - name: Run README quality check
      run: python readme_checker.py
      
    - name: Upload quality report
      if: always()
      uses: actions/upload-artifact@v4
      with:
        name: readme-quality-report
        path: readme-quality-report.json
        retention-days: 30
        
    - name: Comment PR (if applicable)
      if: github.event_name == 'pull_request' && always() && github.event.pull_request.head.repo.full_name == github.repository
      uses: actions/github-script@v7
      with:
        script: |
          const fs = require('fs');
          
          if (fs.existsSync('readme-quality-report.json')) {
            const report = JSON.parse(fs.readFileSync('readme-quality-report.json', 'utf8'));
            
            const score = report.overall_score;
            const emoji = score >= 90 ? '🏆' : score >= 70 ? '✅' : '⚠️';
            
            const comment = `${emoji} **README Quality Check: ${score}/100**\n\n` +
              `📐 Structural consistency: ${report.structure_consistency?.score || 0}/100\n` +
              `🔗 Link validity: ${report.link_validation?.score || 0}/100\n` +
              `🌍 Translation sync: ${report.translation_sync?.score || 0}/100\n\n` +
              `See the Actions tab for the detailed report.`;
            
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: comment
            });
          }