import os
import stat
import subprocess

# Standardwerte für Berechtigungen
DEFAULT_DIR_PERMS = 0o755
DEFAULT_FILE_PERMS = 0o644
DEFAULT_OWNER = "65534:65534"  # nobody:nogroup

def check_permissions(path):
    try:
        stat_info = os.stat(path)
        uid = stat_info.st_uid
        gid = stat_info.st_gid
        mode = stat_info.st_mode
        if uid == 65534 and gid == 65534 and (mode & 0o777) == 0o755:
            print(f"Permissions are correct for: {path}")
        else:
            print(f"Warning: Permissions may not be correct for: {path}")
            print(f"Current: UID={uid}, GID={gid}, Mode={mode:o}")
            print(f"Expected: UID=65534, GID=65534, Mode=755")
    except OSError as e:
        print(f"Error checking permissions: {e}")

def set_permissions(path, is_directory=True):
    if is_directory:
        perms = input(f"Enter directory permissions [{DEFAULT_DIR_PERMS:o}]: ") or DEFAULT_DIR_PERMS
    else:
        perms = input(f"Enter file permissions [{DEFAULT_FILE_PERMS:o}]: ") or DEFAULT_FILE_PERMS

    owner = input(f"Enter owner [{DEFAULT_OWNER}]: ") or DEFAULT_OWNER

    if isinstance(perms, str):
        perms = int(perms, 8)

    try:
        subprocess.run(['sudo', 'chmod', f'{perms:o}', path], check=True)
        subprocess.run(['sudo', 'chown', owner, path], check=True)
        print(f"Set permissions for {path}: {perms:o}, owner: {owner}")
    except subprocess.CalledProcessError as e:
        print(f"Error setting permissions: {e}")

def set_permissions_recursive(path):
    for root, dirs, files in os.walk(path):
        set_permissions(root, is_directory=True)
        for file in files:
            set_permissions(os.path.join(root, file), is_directory=False)

def ensure_correct_permissions(path, is_directory=True):
    stat_info = os.stat(path)
    uid = stat_info.st_uid
    gid = stat_info.st_gid
    mode = stat_info.st_mode

    expected_mode = DEFAULT_DIR_PERMS if is_directory else DEFAULT_FILE_PERMS

    if uid != 65534 or gid != 65534 or (mode & 0o777) != expected_mode:
        print(f"Correcting permissions for: {path}")
        set_permissions(path, is_directory)
    else:
        print(f"Permissions are already correct for: {path}")

def ensure_correct_permissions_recursive(path):
    for root, dirs, files in os.walk(path):
        ensure_correct_permissions(root, is_directory=True)
        for file in files:
            ensure_correct_permissions(os.path.join(root, file), is_directory=False)

def create_files_in_directory(directory):
    while True:
        create_file = input(f"Do you want to create a file in {directory}? (y/n): ").lower()
        if create_file != 'y':
            break
        
        filename = input("Enter the file name: ")
        full_path = os.path.join(directory, filename)
        
        try:
            with open(full_path, 'w') as f:
                pass  # Create an empty file
            print(f"Created file: {full_path}")
            set_permissions(full_path, is_directory=False)
        except IOError as e:
            print(f"Error creating file: {e}")