# frozen_string_literal: true
#
# Copyright:: 2019, Chef Software, Inc.
# Author:: Tim Smith (<tsmith84@gmail.com>)
#
# 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.
#
module RuboCop
  module Cop
    module Chef
      module Modernize
        # In HWRPs and LWRPs you defined attributes, but custom resources changed the name to be properties to avoid confusion with chef recipe attributes. When writing a custom resource they should be called properties even though the two are aliased.
        #
        # @example
        #
        #   #### incorrect
        #   attribute :something, String
        #
        #   action :create do
        #     # some action code because we're in a custom resource
        #   end
        #
        #   #### correct
        #   property :something, String
        #
        #   action :create do
        #     # some action code because we're in a custom resource
        #   end
        #
        class CustomResourceWithAttributes < Base
          extend AutoCorrector

          MSG = 'Custom Resources should contain properties not attributes'
          RESTRICT_ON_SEND = [:attribute].freeze

          def_node_matcher :attribute?, <<-PATTERN
            (send nil? $:attribute ... )
          PATTERN

          def_node_search :resource_actions?, <<-PATTERN
            (block (send nil? :action ... ) ... )
          PATTERN

          def on_send(node)
            return unless resource_actions?(processed_source.ast)
            attribute?(node) do
              add_offense(node.loc.selector, severity: :refactor) do |corrector|
                corrector.replace(node.loc.selector, 'property')
              end
            end
          end
        end
      end
    end
  end
end