class ChefCLI::PolicyfileServices::RmPolicyGroup

def run
  undo_record.description = "delete-policy-group #{policy_group}"
  policy_group_list = http_client.get("/policy_groups")
  unless policy_group_list.key?(policy_group)
    ui.err("Policy group '#{policy_group}' does not exist on the server")
    return false
  end
  policy_group_info = policy_group_list[policy_group]
  policies_in_group = policy_group_info["policies"] || []
  policies_in_group.each do |name, revision_info|
    rev_id = revision_info["revision_id"]
    policy_revision_data = http_client.get("/policies/#{name}/revisions/#{rev_id}")
    undo_record.add_policy_revision(name, policy_group, policy_revision_data)
  end
  http_client.delete("/policy_groups/#{policy_group}")
  undo_record.add_policy_group(policy_group)
  ui.err("Removed policy group '#{policy_group}'.")
  undo_stack.push(undo_record)
rescue => e
  raise DeletePolicyGroupError.new("Failed to delete policy group '#{policy_group}'", e)
end