#
# Author:: Lamont Granquist (<lamont@chef.io>)
# Copyright:: Copyright 2013-2016, Chef Software 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_relative "../../file_content_management/content_base"
require_relative "../../file_content_management/tempfile"

class Chef
  class Provider
    class CookbookFile
      class Content < Chef::FileContentManagement::ContentBase

        private

        def file_for_provider
          cookbook = run_context.cookbook_collection[resource_cookbook]
          file_cache_location = cookbook.preferred_filename_on_disk_location(run_context.node, :files, @new_resource.source)
          if file_cache_location.nil?
            nil
          else
            tempfile = Chef::FileContentManagement::Tempfile.new(@new_resource).tempfile
            tempfile.close
            logger.trace("#{@new_resource} staging #{file_cache_location} to #{tempfile.path}")
            FileUtils.cp(file_cache_location, tempfile.path)
            tempfile
          end
        end

        def resource_cookbook
          @new_resource.cookbook || @new_resource.cookbook_name
        end
      end
    end
  end
end