require 'rubygems'

ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../../Gemfile', __FILE__)
require 'bundler/setup' if File.exist?(ENV['BUNDLE_GEMFILE'])

Bundler.require(:default) if defined?(Bundler)

require 'benchmark'
require 'drape'
require './performance/models'
require './performance/decorators'

Benchmark.bm do |bm|
  puts "\n[ Exclusivelly using #method_missing for model delegation ]"
  [1_000, 10_000, 100_000].each do |i|
    puts "\n[ #{i} ]"
    bm.report('#new                 ') do
      i.times do
        ProductDecorator.decorate(Product.new)
      end
    end

    bm.report('#hello_world         ') do
      i.times do
        ProductDecorator.decorate(Product.new).hello_world
      end
    end

    bm.report('#sample_class_method ') do
      i.times do
        ProductDecorator.decorate(Product.new).class.sample_class_method
      end
    end
  end

  puts "\n[ Defining methods on method_missing first hit ]"
  [1_000, 10_000, 100_000].each do |i|
    puts "\n[ #{i} ]"
    bm.report('#new                 ') do
      i.times do
        FastProductDecorator.decorate(FastProduct.new)
      end
    end

    bm.report('#hello_world         ') do
      i.times do
        FastProductDecorator.decorate(FastProduct.new).hello_world
      end
    end

    bm.report('#sample_class_method ') do
      i.times do
        FastProductDecorator.decorate(FastProduct.new).class.sample_class_method
      end
    end
  end
end
