from nameko.events import EventDispatcher, event_handler
from nameko.rpc import rpc
from configparser import ConfigParser
import ldap3

config = ConfigParser()
config.read('nameko.conf')

try:
    mult_server = int(config['LDAP']['SERVERMULTIPLE'])
except:
    exit("[LDAP] SERVERMULTIPLE has to be an integer >= 1")
if mult_server < 1:
    exit("[LDAP] SERVERMULTIPLE has to be an integer >= 1")

class UserLookUp(object):
    name = "userlookup"
    dispatch = EventDispatcher()

    @rpc
    def lookup(self, user):
        LDAP_UID = 'uid=%s' % user
        LDAP_USER_SEARCH = LDAP_UID + config['LDAP']['LDAPDATA']


class CreateUser(object):
    name = "createuser"
    dispatch = EventDispatcher()

    @rpc
    def create_user(self, user, password, firstname, lastname, email):
        return "To be done"


class GetUserData(object):
    name = "getuserdata"
    dispatch = EventDispatcher()

    @rpc
    def get_data(self, user):
        return "To be done"

class ChangeUserData(object):
    name = "changeuserdata"
    dispatch = EventDispatcher()

    @rpc
    def change_data(self, user, firstname, lastname, email):
        return "To be done"


class PasswordResetRequest(object):
    name = "passwordresetrequest"
    dispatch = EventDispatcher()

    @rpc
    def send_request(self, user):
        return "To be done"


class ChangePassword(object):
    name = "changepassword"
    dispatch = EventDispatcher()

    @rpc
    def change_password(self, user, oldpassword, newpassword):
        return "To be done"


class DeleteUser(object):
    name = "deleteuser"
    dispatch = EventDispatcher()

    @rpc
    def delete_user(self, user):
        return "To be done"


class Log(object):
    name = "log"
    ldaplog = config['System']['LOGDIR'] + '/ldap.log'


    # Gets all the dispatches with 'ldap' and writes them into the ldap.log 
    @event_handler('userlookup', 'ldap')
    @event_handler('createuser', 'ldap')
    @event_handler('getuserdata', 'ldap')
    @event_handler('changeuserdata', 'ldap')
    @event_handler('passwordresetrequest', 'ldap')
    @event_handler('changepassword', 'ldap')
    @event_handler('deleteuser', 'ldap')
    def event_handler_ldap(self, payload):
        f = open(self.ldaplog, mode='a', encoding='utf-8')
        f.write(payload)
        f.close