# Copyright (c) 2009 Symbian Foundation Ltd

# This component and the accompanying materials are made available

# under the terms of the License "Eclipse Public License v1.0"

# which accompanies this distribution, and is available

# at the URL "http://www.eclipse.org/legal/epl-v10.html".

#

# Initial Contributors:

# Symbian Foundation Ltd - initial contribution.

#

# Contributors:

# mattd <mattd@symbian.org>

#

# Description:

# DBR cleanenv - cleans your environment

import dbrbaseline

import dbrpatch

import dbrutils

import re #temporary for dealing with patches

def main(args):

    zippath = '/'

    if(len(args)):

      zippath = args[0] 

    dbfilename = dbrutils.defaultdb()

    baseline = dbrbaseline.readdb(dbfilename)

    if(len(baseline ) > 0):

        env = dbrutils.scanenv()

        patches = dbrpatch.loadpatches(dbrpatch.dbrutils.patchpath())

        db = dbrpatch.createpatchedbaseline(baseline,patches)

        results = dbrpatch.newupdatedb(db,env)

        dbrutils.deletefiles(sorted(results['added']))

        required = set()

        required.update(results['removed'])

        required.update(results['changed'])

        required.update(results['untestable']) #untestable is going to be a problem...

        dbrutils.extractfiles(required, zippath)

        for name in sorted(patches):

          dbrutils.extractfromzip(required, re.sub('.txt','.zip',name))        

        env = dbrutils.scanenv()

        results2 = dbrpatch.newupdatedb(db,env)          

        baseline = dbrpatch.updatebaseline(baseline, db)

        patches = dbrpatch.updatepatches(patches, db)

        dbrpatch.savepatches(patches)        

def run(args):  

  main(args)

def help():

  print "Cleans the current environment"

  print "Usage\n\tdbr cleanenv (<baseline_zip_path>)"

  print "\nDefault behaviour presumes baseline zips exist at the root"