#!/usr/bin/env python
#
#*******************************************************************************
#
#Copyright (c) 2009, Perforce Software, Inc.  All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# 
# 1.  Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 
# 2.  Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL PERFORCE SOFTWARE, INC. BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#*******************************************************************************
#
#Author: Stephen Moon
#Date: 7/15/2010
#Modified Date: 12/30/2010
#
#Summary: A change-commit trigger which submits the compiler generated files
#         to the "build" folder as well as "debug" folder
#
#Triggers:
#
#     changeCommit change-commit //depot/js/build/... "c:\<path_to_python> 
#     <path_to_script> //depot/js/build/..." 
#*******************************************************************************

from subprocess import Popen,PIPE,STDOUT
from datetime import date
import sys,os,re,time,logging

#Enable logging of the backup script
logging.basicConfig(level=logging.DEBUG,
                    format='%(asctime)s %(name)-12s %(levelname)-8s %(message)s',
                    datefmt='%m-%d %H:%M',
                    filename='p4change.log',
                    filemode='w')
# define a Handler which writes INFO messages or higher to the sys.stderr
console = logging.StreamHandler()
console.setLevel(logging.INFO)
# set a format which is simpler for console use
formatter = logging.Formatter('%(name)-12s: %(levelname)-8s %(message)s')
# tell the handler to use this format
console.setFormatter(formatter)
# add the handler to the root logger
logging.getLogger('').addHandler(console)

#define all the environmental variables
p4debug = logging.getLogger('p4debug')
p4error = logging.getLogger('p4error')

#set envionment
#in my case, I am running in an Unicode mode 
#and the security level is set to 3 where
#user smoon belongs to a group whose timeout
#value is set to "unlimited"

os.environ['P4USER'] = "smoon"
os.environ['P4PORT'] = "20101" 
os.environ['P4CHARSET'] = "utf8" 
os.environ['P4CLIENT'] = "smoon_ws" 
os.environ['P4PASSWD'] = 'CC690F2731877023275B4598827421BF'

class ChangeClass(object):

   def __init__(self):

      self.descList = []
      self.filesList = []
   
def showChange(chngList,chClass):

   desc = re.compile(r'^(Description:)')
   files = re.compile(r'^(Files:)')
   fileM = re.compile(r'^\s+(\/\/\w+\/.+)(\/.+)\s+(#.*)$')
   inDesc = 0
   inFiles = 0

   getChanges = ['p4','change','-o',chngList]
   p = Popen(getChanges,shell=True,stdout=PIPE,stderr=PIPE)

   outPut = p.stdout.readline()
   while outPut:

      #print outPut,

      outPut = p.stdout.readline()
      descMatch = desc.match(outPut)
      if descMatch is not None:
         inDesc = 1

      filesMatch = files.match(outPut)
      if filesMatch is not None:
         inDesc = 0
         inFiles = 1

      if inDesc == 1 and descMatch is None and outPut.strip() != "":
         chClass.descList.append(outPut)

      if inFiles == 1 and filesMatch is None and outPut.strip() != "":
      
         noutPut = fileM.match(outPut)
         if noutPut:
            chClass.filesList.append(noutPut.group(1) + noutPut.group(2))

   chngErr = p.communicate()[1]

   p.stdout.close()
   p.stderr.close()

   if chngErr == "":
      print('"p4 change -s %s" was performed successfully' % chngList)
      p4debug.debug('"p4 change -s %s" was performed successfully' % chngList)
   else:
      print('An error encountered during "p4 change -o %s"' % chngList)
      p4debug.exception('An error encountered during "p4 change -o %s"' % chngList)
      p4debug.exception(chngErr)
      exit(1)

   return chClass

def integrateFiles(srcPath,destPath):

   integrateFiles = ['p4','integ','-v',srcPath,destPath]
   integP = Popen(integrateFiles,shell=True,stdout=PIPE,stderr=PIPE)
   integOut,integErr = integP.communicate()

   integP.stdout.close()
   integP.stderr.close()

   if integErr == "":
      print('"p4 integ %s %s" was performed successfully' % (srcPath,destPath))
      p4debug.debug('"p4 integ %s %s" was performed successfully' % (srcPath,destPath))
   else:
      print('An error encountered during "p4 integ %s %s"' % (srcPath,destPath))
      p4debug.exception('An error encountered during "p4 integ %s %s"' % (srcPath,destPath))
      p4debug.exception(integErr)
      exit(1)

def submitFiles(chClass):

   descMsg = ""
   for line in chClass.descList:
      descMsg += line.strip()
      #print "l: " + line
   
   submitFiles= ['p4','submit','-d',descMsg]
   submitP = Popen(submitFiles,shell=True,stdout=PIPE,stderr=PIPE)
   subOut,subErr = submitP.communicate()

   submitP.stdout.close()
   submitP.stderr.close()

   if subErr == "":
      print('"p4 submit -d %s" was performed successfully' % (descMsg)) 
      p4debug.debug('"p4 submit -d %s" was performed successfully' % (descMsg)) 
      exit(0)
   else:
      print('An error encountered during "p4 submit -d %s"' % (descMsg))
      p4debug.exception('An error encountered during "p4 submit -d %s"' % (descMsg))
      p4debug.exception(subErr)
      exit(1)

def main():

   chngList = sys.argv[1]
   srcPath = sys.argv[2] 
   destPath = "//depot/js/debug/..."

   chClass = ChangeClass()
   chClass = showChange(chngList,chClass)
   integrateFiles(srcPath,destPath)
   submitFiles(chClass)

if __name__ == '__main__':

   main()