import os
import os.path
import shutil
import hashlib

class UserHandler:

    def __init__(self, root):
        self.root = root

    def register(self, name):
        userDir = self.root + '/' + name
        self.hash = hashlib.sha1(name).hexdigest()
        root_node = userDir + '/' + self.hash[:2] + '/' + self.hash[2:]
        os.makedirs(root_node)
        os.utime(root_node + '/permissions')
        os.utime(root_node + '/childs')
        os.utime(root_node + '/object')

    def registered(self, name):
        return os.path.exists(self.root + '/' + name)

    def unregister(self, name):
        shutil.rmtree(self.root + '/' + name)

    def get_user_list(self):
        return os.listdir(self.root)

class User:

    def __init__(self, name):
        self.name = name
        self.rootObject = hashlib.sha1(name).hexdigest()