import 'package:flutter/widgets.dart';
import 'package:info_tren/models/ui_design.dart';
import 'package:info_tren/pages/about/about_page.dart';
import 'package:info_tren/pages/main/main_page_cupertino.dart';
import 'package:info_tren/pages/main/main_page_material.dart';
import 'package:info_tren/pages/station_arrdep_page/select_station/select_station.dart';
import 'package:info_tren/pages/train_info_page/select_train/select_train.dart';
import 'package:info_tren/utils/default_ui_design.dart';

class MainPage extends StatelessWidget {
  final UiDesign? uiDesign;

  const MainPage({ Key? key, this.uiDesign }) : super(key: key);

  @override
  Widget build(BuildContext context) {
    final uiDesign = this.uiDesign ?? defaultUiDesign;
    
    switch (uiDesign) {
      case UiDesign.MATERIAL:
        return MainPageMaterial();
      case UiDesign.CUPERTINO:
        return MainPageCupertino();
      default:
        throw UnmatchedUiDesignException(uiDesign);
    }
  }
}

abstract class MainPageShared extends StatelessWidget {
  final String pageTitle = 'Info Tren';
  final String moreOptionsText = 'Mai multe opțiuni';

  List<MainPageAction> get popupMenu => [
    MainPageAction(
      name: 'Despre aplicație',
      action: (context) {
        Navigator.of(context).pushNamed(AboutPage.routeName);
      },
    ),
  ];

  List<MainPageAction> get options => [
    MainPageAction(
      name: 'Informații despre tren',
      description: 'Află informații despre parcursul unui anumit tren',
      action: (context) {
        onTrainInfoPageInvoke(context);
      },
    ),
    MainPageAction(
      name: 'Tabelă plecari/sosiri',
      description: 'Vezi trenurile care pleacă și sosesc dintr-o gară',
      action: (context) {
        onStationBoardPageInvoke(context);
      },
    ),
    MainPageAction(
      name: 'Planificare rută',
      description: 'Găsește trenurile disponibile pentru călătoria între două gări',
      // TODO: Implement route planning
      action: null,
    ),
  ];

  onTrainInfoPageInvoke(BuildContext context) {
    Navigator.of(context).pushNamed(SelectTrainPage.routeName);
  }

  onStationBoardPageInvoke(BuildContext context) {
    Navigator.of(context).pushNamed(SelectStationPage.routeName);
  }

  onRoutePlanPageInvoke(BuildContext context) {

  }
}

class MainPageAction {
  final String name;
  final String? description;
  final void Function(BuildContext context)? action;

  MainPageAction({required this.name, this.action, this.description});
}