module PSWindows::Group

def group_absent(name, &block)
  execute("net localgroup /delete \"#{name}\"", {:acceptable_exit_codes => [0,2]}, &block)
end

def group_get(name, &block)
  execute("net localgroup \"#{name}\"") do |result|
    fail_test "failed to get group #{name}" unless result.stdout =~ /^Alias name\s+#{name}/
    yield result if block_given?
  end
end

def group_gid(name)
  raise NotImplementedError, "Can't retrieve group gid on a Windows host"
end

def group_list(&block)
  execute('cmd /c echo "" | wmic group where localaccount="true" get name /format:value') do |result|
    groups = []
    result.stdout.each_line do |line|
      groups << (line.match(/^Name=(.+)$/) or next)[1]
    end
    yield result if block_given?
    groups
  end
end

def group_present(name, &block)
  execute("net localgroup /add \"#{name}\"", {:acceptable_exit_codes => [0,2]}, &block)
end