module Formol
  class Config < Struct.new(:user_class, 
                            :current_user_helper_method,
                            :formatter,
                            :email_from,
                            :text_formatter,
                            :default_avatar,
                            :default_pygment_theme)

    def user
      @user ||= user_class.constantize
    end
    
    def default_avatar
      @default_avatar || 'formol/default_avatar.png'
    end
    
    def default_pygment_theme
      @default_pygment_theme || :pastie
    end
    
    def default_pygment_theme=(theme)
      raise "pygments theme '#{theme}' does not exists. Please provide one of the following list:\n#{Formol.pygment_stylesheets.join(', ')}" unless Formol.pygment_stylesheets.include?(theme.to_sym)
      
      @default_pygment_theme = theme
    end
  end
end