#!/usr/bin/env python
# ==============================================================================
# Copyright and license info is available in the LICENSE file included with
# the Server Deployment Package (SDP), and also available online:
# https://swarm.workshop.perforce.com/projects/perforce-software-sdp/view/main/LICENSE
# ------------------------------------------------------------------------------

"""
Usage:
	python protect_groups.py [instance] protect_groups.txt > remove_groups.txt

instance defaults to 1 if not given.

This script will list all the groups mentioned in "p4 protect" that are not a Perforce group.
You need to pull the groups from p4 protect with:

p4 protect -o | grep group |  cut -d " " -f 3 | sort | uniq > protect_groups.txt and pass protect_groups.txt to this script.
"""

import os
import sys
import sdputils

if len(sys.argv) > 1:
    SDP_INSTANCE = str(sys.argv[1])
    protect_groups = sys.argv[2]
else:
    SDP_INSTANCE = '1'
    protect_groups = sys.argv[1]

utils = sdputils.SDPUtils(SDP_INSTANCE)
config = utils.config
p4 = utils.p4
utils.login()

p4groups = []
groupusers = []


def main():
    if len(sys.argv) < 1:
        print(
            "This script requires a file with the list of groups in the protections table as a parameter. See the top of the script for instructions.")

    try:
        for group in os.popen("%s groups" % p4).readlines():
            group = group.rstrip()
            group = group.lower()
            p4groups.append(group)
    except:
        print("Non unicode group name on server. Some group names may have been skipped.")

    input = open(protect_groups, "r")

    for line in input.readlines():
        line = line.rstrip()
        line = line.lower()
        if line in p4groups:
            continue
        else:
            print(line)
    input.close()


###############################################################################
# main
if __name__ == "__main__":
    main()