#This is a core class of Orbit Kernel. This class will register a module and set the properties defined in the module's initializer 
#file.
module OrbitApp
  module Widget
    module Registration
      module ClassMethods
        
      #initiate a blank array for registration
      cattr_accessor :registrations
      @@registrations = []        

        def new(name,&block)
          @@registrations << RegisteredWidget.new(name,&block)
        end

        def find_by_key(key)
          @@registrations.each{|t|
            return t if t.key.eql?(key)
          }
          return nil
        end

        def all
          return @@registrations  
        end
      end

      extend ClassMethods
      def  self.included(other)
          other.extend( ClassMethods )
      end

      class RegisteredWidget
        attr_reader :name,:key,:widget_label, :widget_methods, :widget_settings

        def initialize(name,&block)
          @name = name
          @key = @name.underscore.singularize
          @widget_label = @name
          @widget_methods = [] 
          @widget_settings = {}
         
          block.arity < 1 ? instance_eval(&block) : block.call(self) if block_given?
          setup_module_app
        end

        def get_orbit_widget
          OrbitWidget.find_by(key: @key, title: name) rescue nil
        end

        def setup_module_app
          orbit_widget = get_orbit_widget
          orbit_widget = OrbitWidget.new(:key=>@key,:title=>name) if orbit_widget.nil?
          orbit_widget.refetch_setting!(self)
          orbit_widget.save(:validate=>false)
        end

        %w{widget_label version organization author intro update_info}.each  do |field|
          define_method(field){|var| instance_variable_set( "@" + field, var)}
        end

        def widget_methods(widgets)
          @widget_methods = widgets
        end

        def get_widget_methods
          @widget_methods
        end

        def widget_settings(settings)
          @widget_settings = settings.first
        end

        def get_widget_settings
          @widget_settings
        end

      end
    end
  end
end