#
# Author:: John Keiser (<jkeiser@opscode.com>)
# Copyright:: Copyright (c) 2013 Opscode, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

require 'chef_fs/file_system/base_fs_dir'
require 'chef_fs/file_system/acl_dir'
require 'chef_fs/file_system/cookbooks_acl_dir'
require 'chef_fs/file_system/acl_entry'
require 'chef_fs/data_handler/acl_data_handler'

module ChefFS
  module FileSystem
    class AclsDir < BaseFSDir
      ENTITY_TYPES = %w(clients containers cookbooks data_bags environments groups nodes roles) # we don't read sandboxes, so we don't read their acls

      def initialize(parent)
        super('acls', parent)
      end

      def data_handler
        @data_handler ||= ChefFS::DataHandler::AclDataHandler.new
      end

      def api_path
        parent.api_path
      end

      def can_have_child?(name, is_dir)
        is_dir ? ENTITY_TYPES.include(name) : name == 'organization.json'
      end

      def children
        if @children.nil?
          @children = ENTITY_TYPES.map do |entity_type|
            case entity_type
            when 'cookbooks'
              CookbooksAclDir.new(entity_type, self)
            else
              AclDir.new(entity_type, self)
            end
          end
          @children << AclEntry.new('organization.json', self, true) # the org acl is retrieved as GET /organizations/ORGNAME/ANYTHINGATALL/_acl
        end
        @children
      end

      def rest
        parent.rest
      end
    end
  end
end