#!/usr/bin/python
# Copyright 2012 Google Inc. All Rights Reserved.

"""This File executes create/modify/delete operations on ACS datastore.

This class is used to interact with scripts that directly modifies
ACS datastore configuration. These ACS related actions may require
google3 dependencies
"""

__author__ = 'Lehan Meng (lmeng@google.com)'


import os
import re


class ACS(object):
  """This class executes operations that change Device profiles on ACS."""

  def __init__(self, expected_version=None, **kwargs):
    """Constructor for this Class."""
    self.acs_info = {
        'url': None,
        # expected image version ID on ACS
        'imageVersion': expected_version,
        'outfile': 'cmdOutput.txt'}
    for s in kwargs:
      self.acs_info[s] = kwargs[s]

  def SetLogging(self, log):
    """Setup the logging file(s)."""
    self.log = log

  def SetImageVersion(self, expected_version):
    """Set the expected image version that needs to be configured at ACS.

    Args:
      expected_version: the version string of the expected image.
    """
    m = re.match('\d+', expected_version)
    if m is None:
      info = self.log.CreateErrorInfo(
          'critical',
          'Error! Please use software id as expected image version value')
      self.log.SendLine(None, info)
    else:
      self.acs_info['imageVersion'] = expected_version

  def SaveConfiguration(self):
    """Run the ACS configuration script from Google3 location."""
    cur_dir = os.getcwd()
    print '============' + cur_dir
    os.chdir('/home/lmeng/git_project/google3/isp/'
             'fiber/testing/automated_tests/bulkupgrade/')
    print '============' + os.getcwd()
    os.system(
        'blaze test --notest_loasd --test_arg=--imageVersion='
        + self.acs_info['imageVersion']
        + ' --test_strategy=local :bulkupgrade_test ')
    os.chdir(cur_dir)
    print '============' + os.getcwd()

  def StubbyClientCall(self, cmd=None):
    """This is the nbi_client stubby call to get parameter names and values."""
    p = os.popen(cmd, 'r')
    log_list = []
    while 1:
      line = p.readline()
      if not line: break
      log_list.append(line.strip())
    return log_list

  def ParseParameterNames(self, cmd_list):
    """Parse the command output from nbi_client, retrieve parameter names."""
    if ('FAILED' in cmd_list[0]) or (not 'SUCCESS' in cmd_list[0]):
      info = self.log.CreateErrorInfo(
          'Critical', 'nbi_clienet call failed. Check log for details.')
      self.log.SendLine(None, info)
      return False

    chk_list = []
    for line in cmd_list:
      if 'name:' in line:
        output = re.sub('.*\"(.*)\".*', r'\1', line)
        output = re.sub(r'(\.)[\d]+(\.)', r'\1{i}\2', output)
        if chk_list.count(output) < 1:
          chk_list.append(output)
    return chk_list


if __name__ == '__main__':
  pass