class ChefCLI::Command::DeletePolicyGroup

def apply_params!(params)
  remaining_args = parse_options(params)
  if remaining_args.size == 1
    @policy_group = remaining_args.first
    true
  elsif remaining_args.empty?
    ui.err("You must specify the POLICY_GROUP to delete.")
    ui.err("")
    ui.err(opt_parser)
    false
  else
    ui.err("Too many arguments")
    ui.err("")
    ui.err(opt_parser)
    false
  end
end

def debug?
  !!config[:debug]
end

def handle_error(error)
  ui.err("Error: #{error.message}")
  if error.respond_to?(:reason)
    ui.err("Reason: #{error.reason}")
    ui.err("")
    ui.err(error.extended_error_info) if debug?
    ui.err(error.cause.backtrace.join("\n")) if debug?
  end
end

def initialize(*args)
  super
  @policy_group = nil
  @rm_policy_group_service = nil
  @ui = UI.new
end

def rm_policy_group_service
  @rm_policy_group_service ||=
    PolicyfileServices::RmPolicyGroup.new(config: chef_config,
                                          ui: ui,
                                          policy_group: policy_group)
end

def run(params)
  return 1 unless apply_params!(params)
  rm_policy_group_service.run
  ui.msg("This operation can be reversed by running `#{ChefCLI::Dist::EXEC} undelete --last`.")
  0
rescue PolicyfileServiceError => e
  handle_error(e)
  1
end