import os
import shutil
import tempfile
from dataclasses import dataclass
from typing import List, Optional

@dataclass
class EntryPoint:
    entry_point: Optional[str] = None
    extraction_path: Optional[str] = None

def clean_up_temp_files(directory_path: str) -> None:
    """Remove temporary files and directories"""
    try:
        if os.path.exists(directory_path):
            if os.path.isfile(directory_path):
                os.remove(directory_path)
            else:
                shutil.rmtree(directory_path, ignore_errors=True)
    except Exception as e:
        print(f"Failed to clean up {directory_path}: {e}")

def extract_pyinstaller_exe(exe_path: str) -> str:
    """Extract PyInstaller executable contents"""
    temp_dir = tempfile.mkdtemp(prefix="pyinstaller_extract_")
    
    # In a real implementation, you would use pyinstxtractor or similar tools
    # Here we just return the temporary directory
    return temp_dir

def find_payload_files(directory: str, extension: str, exclude_pattern: str) -> List[str]:
    """Find files with specific extension in directory"""
    result = []
    for root, _, files in os.walk(directory):
        for file in files:
            if file.endswith(extension) and exclude_pattern not in file:
                result.append(os.path.join(root, file))
    return result

def decompile_pyc(pyc_file: str) -> str:
    """Decompile .pyc file to source code"""
    # In a real implementation, you would use uncompyle6 or decompyle3
    # Here we just return a placeholder
    return f"# Decompiled content of {pyc_file}\n"

def attempts_to_get_entry_point(file_path: str) -> EntryPoint:
    """Try various methods to find the entry point"""
    # In a real implementation, this would be more complex
    return EntryPoint(entry_point=file_path)