require File.dirname(__FILE__) + '/lib/core_ext'
require 'sluggable_finder'

module SluggableInit
  class << self
    
    def enable_activerecord
      return if ActiveRecord::Base.respond_to? :find_sluggable
      ActiveRecord::Base.class_eval { include SluggableFinder }
      
      associations = ActiveRecord::Associations
      collection = associations::AssociationCollection

      # to support paginating finders on associations, we have to mix in the
      # method_missing magic from EstadoBeta::Plugins::SluggableFinder::ClassMethods to AssociationProxy
      # subclasses, but in a different way for Rails 1.2.x and 2.0
      (collection.instance_methods.include?(:create!) ?
        collection : collection.subclasses.map(&:constantize)
      ).push(associations::HasManyThroughAssociation).each do |klass|
        klass.class_eval do
          include SluggableFinder::Finder
          alias_method_chain :find, :slug
        end
      end
    end
    
  end
end

SluggableInit.enable_activerecord if (defined?(ActiveRecord) && !ActiveRecord::Base.respond_to?(:sluggable_finder))