#!/usr/bin/env python
# Copyright 2016 The Fuchsia Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


import shuffler
import utils.file_util as file_util

class ModuleNameShuffler:
  """ A shuffler for the module usage pipeline

  Args:
    for_private_release {bool}: Will the extracted data be analyzed using
    differentially private release? We use different input and output files
    in this case.
  """

  def shuffle(self, for_private_release=False):
    ''' This function invokes the generic function shuffleCSVFiles() on
    the module-usage-specific CSV files.
    '''
    input_file = (file_util.MODULE_NAME_PR_RANDOMIZER_OUTPUT_FILE_NAME if
      for_private_release else
    	file_util.MODULE_NAME_RANDOMIZER_OUTPUT_FILE_NAME)
    output_file = (file_util.MODULE_NAME_PR_SHUFFLER_OUTPUT_FILE_NAME if
    	for_private_release else
    	file_util.MODULE_NAME_SHUFFLER_OUTPUT_FILE_NAME)
    shuffler.shuffleCSVFiles(input_file, output_file)