from __future__ import absolute_import
from univention.listener import ListenerModuleHandler


class UserAndGroupChangeLogging(ListenerModuleHandler):
	class Configuration:
		name = 'user_and_group_change_logging'
		description = 'log changes to user and group objects'
		ldap_filter = '(|(objectClass=posixAccount)(objectClass=univentionGroup))'
		attributes = []

	def user_or_group(self, attrs, upper=False):
		res = 'user' if 'uid' in attrs else 'group'
		if upper:
			res = '{}{}'.format(res[0].upper(), res[1:])
		return res

	def create(self, dn, new):
		self.logger.info('New %s created at DN %r with attributes %r', self.user_or_group(new), dn, new)

	def modify(self, dn, old, new, old_dn):
		self.logger.info('Attributes of %s %r changed: %r', self.user_or_group(new), dn, self.diff(old, new))
		if old_dn:
			self.logger.info('It is also a move! old_dn: %r', old_dn)

	def remove(self, dn, old):
		self.logger.info('%s %r was removed.', self.user_or_group(old, True), dn)