module Ckeditor

def self.assets
  @assets ||= Ckeditor.cdn_enabled? ? ['ckeditor/config.js'] : []
end

def self.assets=(value)
  @assets = value.nil? ? nil : Array(value)
end

def self.assets_pipeline_enabled?
  @@assets_pipeline_enabled = Utils.assets_pipeline_enabled? if @@assets_pipeline_enabled.nil?
  @@assets_pipeline_enabled
end

def self.attachment_file_adapter
  attachment_file_model.to_adapter
end

def self.attachment_file_model(&block)
  if block_given?
    self.attachment_file_model = block
  else
    @@attachment_file_model_class ||= begin
      if @@attachment_file_model.respond_to? :call
        @@attachment_file_model.call
      else
        @@attachment_file_model || Ckeditor::AttachmentFile
      end
    end
  end
end

def self.attachment_file_model=(value)
  @@attachment_file_model_class = nil
  @@attachment_file_model = value
end

def self.authorize_with(*args, &block)
  extension = args.shift
  if extension
    @authorize = lambda do
      @authorization_adapter = Ckeditor::AUTHORIZATION_ADAPTERS[extension].new(*([self] + args).compact)
    end
  elsif block_given?
    @authorize = block
  end
  @authorize || DEFAULT_AUTHORIZE
end

def self.base_path
  @base_path ||= (asset_path || File.join([Rails.application.config.assets.prefix, '/ckeditor/']))
end

def self.cdn_enabled?
  !@@cdn_url.nil?
end

def self.current_user_method(&block)
  @current_user = block if block_given?
  @current_user || DEFAULT_CURRENT_USER
end

def self.picture_adapter
  picture_model.to_adapter
end

def self.picture_model(&block)
  if block_given?
    self.picture_model = block
  else
    @@picture_model_class ||= begin
      if @@picture_model.respond_to? :call
        @@picture_model.call
      else
        @@picture_model || Ckeditor::Picture
      end
    end
  end
end

def self.picture_model=(value)
  @@picture_model_class = nil
  @@picture_model = value
end

def self.root_path
  @root_path ||= Pathname.new(File.dirname(File.expand_path('../', __FILE__)))
end

def self.run_on_precompile?
  @@run_on_precompile
end

def self.setup
  yield self
end