class SecurityPolicy

def initialize
  @loaded = false
  @policy = nil
  @exit_status = nil
end

def load
  # export the security policy
  cmd = inspec.command('secedit /export /cfg win_secpol.cfg')
  return nil if cmd.exit_status.to_i != 0
  # store file content
  cmd = inspec.command('Get-Content win_secpol.cfg')
  @exit_status = cmd.exit_status.to_i
  return nil if @exit_status != 0
  @policy = cmd.stdout
  @loaded = true
  # returns self
  self
ensure
  # delete temp file
  inspec.command('Remove-Item win_secpol.cfg').exit_status.to_i
end

def method_missing(method)
  # load data if needed
  if @loaded == false
    load
  end
  # find line with key
  key = Regexp.escape(method.to_s)
  target = ''
  @policy.each_line {|s|
    target = s.strip if s =~ /^\s*#{key}\s*=\s*(.*)\b/
  }
  # extract variable value
  result = target.match(/[=]{1}\s*(?<value>.*)/)
  if !result.nil?
    val = result[:value]
    val = val.to_i if val =~ /^\d+$/
  else
    # TODO: we may need to return skip or failure if the
    # requested value is not available
    val = nil
  end
  val
end

def to_s
  'Security Policy'
end