import { IControllerArray, IBindingContext } from './exported';
import { ElementController } from '../view/exported';


export interface IElement {



  /**
   * showdow DOM if any
   */
  $shadowdom?: Node | Element | HTMLElement;


  /**
   * DOM Element to the custom element
   */
  $element?: Node | Element | HTMLElement;


  /**
   * DOM attributes on Element
   */
  $attributes?: NamedNodeMap;



  /**
   * binding context
   */
  $bindingContext?: IBindingContext;



  /**
    * controller
    */
  $controller?: ElementController;



  /**
   * mandatory( one of them), need to return template
   * all helper variables are set here
   */
  loadTemplate?(): string | Promise<string>;



  /**
   * when created, and $element etc is set
   */
  created?(templateNode?: Node | Element): void;



  /**
   * middleware, incase you want to mess with it
   * important to return true/false
   */
  processContent?(templateNode?: Node | Element): boolean;



  /**
   * middleware, get controllers of content processed
   * content are added to element, but attached is not called on any of them
   */
  contentProcessed?(controllers?: IControllerArray): void;



  /**
   * element will be attached/connected to parent when this is called
   * Good place to call addEventlister
   */
  attached?(): void;



  /**
   * when element node is about to be detached from parent
   * Good place to call removeEventlister/clean up
   */
  detached?(): void;



}