import os
import re

def scan_self_closing_tags(root_dir):
    print(f"Scanning {root_dir} for suspicious self-closing tags...")
    
    # Tags that are safe to self-close or are void elements
    safe_tags = {
        'image', 'img', 'input', 'br', 'hr', 'meta', 'link', 'col', 'base', 
        'area', 'embed', 'param', 'source', 'track', 'wbr',
        'slot', 'template' # Maybe
    }
    
    suspicious_files = []
    
    for subdir, dirs, files in os.walk(root_dir):
        if 'node_modules' in subdir or 'unpackage' in subdir:
            continue
            
        for file in files:
            if file.endswith('.uvue') or file.endswith('.vue'):
                file_path = os.path.join(subdir, file)
                try:
                    with open(file_path, 'r', encoding='utf-8') as f:
                        content = f.read()
                        
                        # Regex to find self-closing tags: <TagName ... />
                        # matches <TagName (anything but >) />
                        matches = re.finditer(r'<([a-zA-Z0-9-]+)([^>]*)/>', content)
                        
                        found_issues = []
                        for match in matches:
                            tag_name = match.group(1)
                            if tag_name not in safe_tags:
                                # Start checking if it's a known component that might be problematic
                                # For now, report everything that isn't standard void
                                context = content[max(0, match.start()-20):min(len(content), match.end()+20)]
                                found_issues.append((tag_name, context.replace('\n', '\\n')))
                        
                        if found_issues:
                            print(f"\nExample issues in {file_path}:")
                            for tag, ctx in found_issues:
                                print(f"  Tag: <{tag} ... /> | Context: {ctx}")
                            suspicious_files.append(file_path)
                            
                except Exception as e:
                    print(f"Error reading {file_path}: {e}")

    return suspicious_files

scan_self_closing_tags(r'.')