import ViewController from 'wdk-client/Core/Controllers/ViewController';
import { RouteComponentProps } from 'react-router';

/**
 * A ViewController that is intended to render a UI on an entire screen.
 */
export default class PageController<Props = {}, State = {}> extends ViewController<Props, State> {

  /*--------------- Methods to override to display content ---------------*/

  /**
   * Returns the title of this page
   */
  getTitle(): string {
    return "WDK";
  }

  setDocumentTitle(): void {
    if (this.isRenderDataLoadError()) {
      document.title = "Error";
    }
    else if (this.isRenderDataNotFound()) {
      document.title = "Page not found";
    }
    else if (this.isRenderDataPermissionDenied()) {
      document.title = "Permission denied";
    }
    else if (!this.isRenderDataLoaded()) {
      document.title = "Loading...";
    }
    else {
      document.title = this.getTitle();
    }
  }

  componentDidMount(): void {
    super.componentDidMount()
    this.setDocumentTitle();
  }

  componentDidUpdate(prevProps: Props & RouteComponentProps<any>): void {
    this.loadData(prevProps);
    this.setDocumentTitle();
  }

}