#
# Copyright 2012-2014 Chef Software, Inc.
#
# 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 'ohai'

module Omnibus
  class Ohai
    class << self
      def method_missing(m, *args, &block)
        ohai.send(m, *args, &block)
      end

      private

      def ohai
        return @ohai if @ohai

        @ohai = ::Ohai::System.new
        @ohai.require_plugin('os')
        @ohai.require_plugin('platform')
        @ohai.require_plugin('linux/cpu') if @ohai.os == 'linux'
        @ohai.require_plugin('kernel')
        @ohai
      end
    end
  end
end

module Omnibus
  class OhaiWithWarning < Ohai
    include Logging

    class << self
      def method_missing(m, *args, &block)
        bad_boy = caller[2]

        unless warned[bad_boy]
          log.deprecated('OHAI') do
            "OHAI constant. Please use Ohai instead: #{bad_boy}"
          end
          warned[bad_boy] = true
        end

        Ohai.send(m, *args, &block)
      end

      def warned
        @warned ||= {}
      end
    end
  end
end

#
# @todo remove in the next major release
#
OHAI = Omnibus::OhaiWithWarning