#!/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
#------------------------------------------------------------------------------

"""
This script will set the password for a user to the value set in the password
variable in the main function.

The name of the user to set the password for is passed as a parameter to the file.

Usage:
	python setpass.py [instance] user
	
instance defaults to 1 if not given.
"""

import os
import string
import sys
import time
import platform
from subprocess import *
import platform
import ConfigParser

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

config = ConfigParser.RawConfigParser()
config.read('maintenance.cfg')

##########################################################################
#####                                                                #####
#####  CONFIGURATION VARIABLES: Modify in maintenance.cfg as needed. #####
#####                                                                #####

server = (config.get(SDP_INSTANCE, 'server'))
p4user = (config.get(SDP_INSTANCE, 'p4user'))
passwd = (config.get(SDP_INSTANCE, 'passwd'))
defaultpass = (config.get(SDP_INSTANCE, 'default_user_password'))

if platform.system() == "Windows": 
  p4="p4.exe -p %s -u %s" % (server, p4user)
else:
  p4="/p4/1/bin/p4_1  -p %s -u %s" % (server, p4user)

os.system('echo %s| %s login' % (passwd, p4))

if platform.system() == "Windows": 
  p4="p4.exe"
else:
  p4="/p4/1/bin/p4_1"

###############################################################################
def log(msglevel="DEBUG", message=""):
  if msglevel == "TEST":
    print("Running in test mode. Command run would have been:\n", message)
  elif msglevel == "ERROR":
    print(message)
    sys.exit(1)
  elif (verbosity == "3"):
    print(message)
  elif (verbosity == "2" and msglevel == "INFO"):
    print(message)

###############################################################################
def setpassword(user):
  try:
    cmd = ' passwd %s' % (user)
    pipe = Popen(p4 + cmd, shell=True, stdin=PIPE, stdout=PIPE, stderr=PIPE, universal_newlines=True)
    stderr = pipe.stdin.write(defaultpass)
    pipe.stdin.flush()
    time.sleep(2)
    stderr = pipe.stdin.write(defaultpass)
    pipe.stdin.flush()
    pipe.stdin.close()
    if pipe.wait() != 0:
      log("ERROR", "Password reset failed.\n%s%s generated the following error: %s" % (p4, cmd, stderr))
  except OSError as err:
    log("ERROR", "Execution failed: %s" % (err))

def main():
  if len (sys.argv) < 2:
    print ("Read the usage section at the top of the script for required parameters.")
    sys.exit(1)
  if len(sys.argv) > 2: 
    user = sys.argv[2]
  else:
    user = sys.argv[1]

  setpassword(user)

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