#!/usr/bin/python2.6
#
# @package      hubzero-cli
# @file         hzusermod
# @author       David Benham <dbenham@purdue.edu>
# @copyright    Copyright (c) 2013 HUBzero Foundation, LLC.
# @license      http://www.gnu.org/licenses/lgpl-3.0.html LGPLv3
#
# Copyright (c) 2013 HUBzero Foundation, LLC.
#
# This file is part of: The HUBzero(R) Platform for Scientific Collaboration
#
# The HUBzero(R) Platform for Scientific Collaboration (HUBzero) is free
# software: you can redistribute it and/or modify it under the terms of
# the GNU Lesser General Public License as published by the Free Software
# Foundation, either version 3 of the License, or (at your option) any
# later version.
#
# HUBzero is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# HUBzero is a registered trademark of HUBzero Foundation, LLC.
#

import argparse
import grp
import hubzero.utilities.user
import hubzero.config.passwords
import hubzero.config.webconfig
import re
import traceback
import os
import hubzero.utilities.misc

hubname = hubzero.config.webconfig.getDefaultSite()
docroot = hubzero.config.hubzerositeconfig.getHubzeroConfigOption(hubname, "DocumentRoot")

if os.path.exists(docroot + "/libraries/cms/index.html"):
        hubzero.utilities.misc.JOOMLA_25 = True

def addUserToGroup(userName, groupName):
	hubzero.utilities.group.addusertogroup_ldap(userName, groupName)


# ####################
# main

# parse the command line
parser = argparse.ArgumentParser()
parser.add_argument("username", help="username, alpha username")
parser.add_argument("-G", help="add specified user to groups", default="")
parser.add_argument("-a", help="add user to the supplementary group(s). Use only with the -G option", action="store_true", default=False)

args = parser.parse_args()

if args.a and not args.G:
	print "-a option only used with -G option"
	exit(1)

if args.G:

	# replace all user's groups with the specified groups, start by removing all current memberships
	if not args.a:
		
		# get all user's current groups
		dbPW = hubzero.config.webconfig.getWebConfigDBPassword()
		dbUserName = hubzero.config.webconfig.getWebConfigDBUsername()
		dbName = hubzero.config.webconfig.getWebConfigDBName()
		db =  hubzero.data.db.MySQLConnection("localhost", dbName, dbUserName, dbPW)

		# grab all users groups from db 
		sql = "SELECT p.username, g.cn, p.uidNumber, g.gidNumber \
		FROM jos_xgroups_members m \
		JOIN jos_xprofiles p on p.uidNumber = m.uidNumber \
		JOIN jos_xgroups g on g.gidNumber = m.gidNumber \
		WHERE p.username = %s "
		
		for groupMembership in db.query(sql, (args.username)):
			print "deleting " + groupMembership.username + " from " + groupMembership.cn
			try:
				hubzero.utilities.group.deleteuserfromgroup(groupMembership.username, groupMembership.cn)				
			except Exception:
				print " Error removing group membership"		
				raise
		
	# add all new memberships	
	if "," in args.G:
		for groupName in args.G.split(","):
			hubzero.utilities.group.addUserToGroup(args.username, groupName)
	else:
		hubzero.utilities.group.addUserToGroup(args.username, args.G)

