module FactoryWoman

# File lib/factory_woman.rb, line 35
def self.class_name(association)
  model_name = association.options[:class_name] || association.name
  model_name = model_name.to_s.camelize
  begin
    klass = model_name.constantize
  rescue NameError
    klass = model_name.classify.constantize
  end
  klass = klass.superclass until klass.superclass == ActiveRecord::Base
  klass
end

# File lib/factory_woman.rb, line 4
def self.create(model_name, attributes = {})
  attributes.symbolize_keys!

  klass = model_name.to_s.camelize.constantize

  associations = load_associations(klass)

  associations.each do |association|
    association_key = ([association[:source_column]] + association[:aliases]).find { |a| attributes.key? a }
    if association_key.nil?
      attributes[association[:source_column]] = FactoryWoman.create(association[:target_klass].to_s.underscore.to_sym).id
    else
      next if association[:target_klass].exists?(association[:target_column] => attributes[association_key])
      FactoryWoman.create(association[:target_klass].to_s.underscore.to_sym, id: attributes[association_key])
    end
  end

  FactoryGirl.create(model_name, attributes)
end

# File lib/factory_woman.rb, line 24
def self.load_associations(klass)
  klass.reflect_on_all_associations(:belongs_to).map do |association|
    {
      target_klass: class_name(association),
      target_column: :id,
      source_column: association.foreign_key.to_sym,
      aliases: klass.attribute_aliases.select { |_, v| v.to_sym == association.foreign_key.to_sym }.keys.map(&:to_sym),
    }
  end
end