import os

def check_file(path):
    filename = os.path.basename(path)
    classname = filename.replace('.yaml', '')
    
    with open(path, 'r') as f:
        lines = f.readlines()
        
    in_imports = False
    
    for i, line in enumerate(lines):
        stripped = line.strip()
        if stripped == "imports:":
            in_imports = True
            continue
            
        if in_imports:
            if not stripped.startswith("-"):
                if stripped and not stripped.startswith("#"):
                    in_imports = False
            else:
                import_path = stripped.lstrip("- ").strip()
                if import_path == f"./{classname}":
                    print(f"Self-import found in {path} at line {i+1}: {stripped}")

def process_directory(directory):
    for root, dirs, files in os.walk(directory):
        for file in files:
            if file.endswith(".yaml"):
                check_file(os.path.join(root, file))

process_directory("schemas/20251121/linkml/modules/classes")