import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';

import '../../../get_core/get_core.dart';
import '../../../get_instance/get_instance.dart';
import '../../../get_state_manager/get_state_manager.dart';
import '../../../get_utils/get_utils.dart';
import '../../get_navigation.dart';

class GetMaterialApp extends StatelessWidget {
  final GlobalKey<NavigatorState>? navigatorKey;

  final GlobalKey<ScaffoldMessengerState>? scaffoldMessengerKey;
  final Widget? home;
  final Map<String, WidgetBuilder>? routes;
  final String? initialRoute;
  final RouteFactory? onGenerateRoute;
  final InitialRouteListFactory? onGenerateInitialRoutes;
  final RouteFactory? onUnknownRoute;
  final List<NavigatorObserver>? navigatorObservers;
  final TransitionBuilder? builder;
  final String title;
  final GenerateAppTitle? onGenerateTitle;
  final ThemeData? theme;
  final ThemeData? darkTheme;
  final ThemeMode themeMode;
  final CustomTransition? customTransition;
  final Color? color;
  final Map<String, Map<String, String>>? translationsKeys;
  final Translations? translations;
  final TextDirection? textDirection;
  final Locale? locale;
  final Locale? fallbackLocale;
  final Iterable<LocalizationsDelegate<dynamic>>? localizationsDelegates;
  final LocaleListResolutionCallback? localeListResolutionCallback;
  final LocaleResolutionCallback? localeResolutionCallback;
  final Iterable<Locale> supportedLocales;
  final bool showPerformanceOverlay;
  final bool checkerboardRasterCacheImages;
  final bool checkerboardOffscreenLayers;
  final bool showSemanticsDebugger;
  final bool debugShowCheckedModeBanner;
  final Map<LogicalKeySet, Intent>? shortcuts;
  final ScrollBehavior? scrollBehavior;
  final ThemeData? highContrastTheme;
  final ThemeData? highContrastDarkTheme;
  final Map<Type, Action<Intent>>? actions;
  final bool debugShowMaterialGrid;
  final ValueChanged<Routing?>? routingCallback;
  final Transition? defaultTransition;
  final bool? opaqueRoute;
  final VoidCallback? onInit;
  final VoidCallback? onReady;
  final VoidCallback? onDispose;
  final bool? enableLog;
  final LogWriterCallback? logWriterCallback;
  final bool? popGesture;
  final SmartManagement smartManagement;
  final BindingsInterface? initialBinding;
  final Duration? transitionDuration;
  final bool? defaultGlobalState;
  final List<GetPage>? getPages;
  final GetPage? unknownRoute;
  final RouteInformationProvider? routeInformationProvider;
  final RouteInformationParser<Object>? routeInformationParser;
  final RouterDelegate<Object>? routerDelegate;
  final BackButtonDispatcher? backButtonDispatcher;
  final bool useInheritedMediaQuery;
  GetMaterialApp({
    Key? key,
    this.navigatorKey,
    this.scaffoldMessengerKey,
    this.home,
    Map<String, Widget Function(BuildContext)> this.routes =
        const <String, WidgetBuilder>{},
    this.initialRoute,
    this.onGenerateRoute,
    this.onGenerateInitialRoutes,
    this.onUnknownRoute,
    this.useInheritedMediaQuery = false,
    List<NavigatorObserver> this.navigatorObservers =
        const <NavigatorObserver>[],
    this.builder,
    this.textDirection,
    this.title = '',
    this.onGenerateTitle,
    this.color,
    this.theme,
    this.darkTheme,
    this.themeMode = ThemeMode.system,
    this.locale,
    this.fallbackLocale,
    this.localizationsDelegates,
    this.localeListResolutionCallback,
    this.localeResolutionCallback,
    this.supportedLocales = const <Locale>[Locale('en', 'US')],
    this.debugShowMaterialGrid = false,
    this.showPerformanceOverlay = false,
    this.checkerboardRasterCacheImages = false,
    this.checkerboardOffscreenLayers = false,
    this.showSemanticsDebugger = false,
    this.debugShowCheckedModeBanner = true,
    this.shortcuts,
    this.scrollBehavior,
    this.customTransition,
    this.translationsKeys,
    this.translations,
    this.onInit,
    this.onReady,
    this.onDispose,
    this.routingCallback,
    this.defaultTransition,
    this.getPages,
    this.opaqueRoute,
    this.enableLog = kDebugMode,
    this.logWriterCallback,
    this.popGesture,
    this.transitionDuration,
    this.defaultGlobalState,
    this.smartManagement = SmartManagement.full,
    this.initialBinding,
    this.unknownRoute,
    this.highContrastTheme,
    this.highContrastDarkTheme,
    this.actions,
  })  : routeInformationProvider = null,
        backButtonDispatcher = null,
        routeInformationParser = null,
        routerDelegate = null,
        super(key: key);

  static String _cleanRouteName(String name) {
    name = name.replaceAll('() => ', '');

    /// uncommonent for URL styling.
    // name = name.paramCase!;
    if (!name.startsWith('/')) {
      name = '/$name';
    }
    return Uri.tryParse(name)?.toString() ?? name;
  }

  GetMaterialApp.router({
    Key? key,
    this.routeInformationProvider,
    this.scaffoldMessengerKey,
    this.routeInformationParser,
    this.routerDelegate,
    this.backButtonDispatcher,
    this.builder,
    this.title = '',
    this.onGenerateTitle,
    this.color,
    this.theme,
    this.darkTheme,
    this.useInheritedMediaQuery = false,
    this.highContrastTheme,
    this.highContrastDarkTheme,
    this.themeMode = ThemeMode.system,
    this.locale,
    this.localizationsDelegates,
    this.localeListResolutionCallback,
    this.localeResolutionCallback,
    this.supportedLocales = const <Locale>[Locale('en', 'US')],
    this.debugShowMaterialGrid = false,
    this.showPerformanceOverlay = false,
    this.checkerboardRasterCacheImages = false,
    this.checkerboardOffscreenLayers = false,
    this.showSemanticsDebugger = false,
    this.debugShowCheckedModeBanner = true,
    this.shortcuts,
    this.scrollBehavior,
    this.actions,
    this.customTransition,
    this.translationsKeys,
    this.translations,
    this.textDirection,
    this.fallbackLocale,
    this.routingCallback,
    this.defaultTransition,
    this.opaqueRoute,
    this.onInit,
    this.onReady,
    this.onDispose,
    this.enableLog = kDebugMode,
    this.logWriterCallback,
    this.popGesture,
    this.smartManagement = SmartManagement.full,
    this.initialBinding,
    this.transitionDuration,
    this.defaultGlobalState,
    this.getPages,
    this.navigatorObservers,
    this.unknownRoute,
  })  : navigatorKey = null,
        onGenerateRoute = null,
        home = null,
        onGenerateInitialRoutes = null,
        onUnknownRoute = null,
        routes = null,
        initialRoute = null,
        super(key: key);

  @override
  Widget build(BuildContext context) => GetBuilder<GetMaterialController>(
      init: Get.rootController,
      dispose: (d) {
        onDispose?.call();
        Get.clearRouteTree();
        Get.clearTranslations();
        Get.resetRootNavigator();
        Get.routerDelegate = null;
        Get.routeInformationParser = null;
      },
      initState: (i) {
        // Get.routerDelegate = routerDelegate;
        // Get.routeInformationParser = routeInformationParser;
        Get.engine!.addPostFrameCallback((timeStamp) {
          onReady?.call();
        });
        if (locale != null) Get.locale = locale;

        if (fallbackLocale != null) Get.fallbackLocale = fallbackLocale;

        if (translations != null) {
          Get.addTranslations(translations!.keys);
        } else if (translationsKeys != null) {
          Get.addTranslations(translationsKeys!);
        }

        Get.customTransition = customTransition;

        initialBinding?.dependencies();
        if (getPages != null) {
          Get.addPages(getPages!);
        } else {
          Get.addPage(
            GetPage(
              name: _cleanRouteName("/${home.runtimeType}"),
              page: () => home!,
            ),
          );
        }

        //Get.setDefaultDelegate(routerDelegate);
        Get.smartManagement = smartManagement;
        onInit?.call();

        Get.config(
          enableLog: enableLog ?? Get.isLogEnable,
          logWriterCallback: logWriterCallback,
          defaultTransition: defaultTransition ?? Get.defaultTransition,
          defaultOpaqueRoute: opaqueRoute ?? Get.isOpaqueRouteDefault,
          defaultPopGesture: popGesture ?? Get.isPopGestureEnable,
          defaultDurationTransition:
              transitionDuration ?? Get.defaultTransitionDuration,
        );
      },
      builder: (_) {
        final routerDelegate = Get.createDelegate(
            pages: getPages ?? [],
            notFoundRoute: unknownRoute,
            navigatorKey: navigatorKey,
            navigatorObservers: (navigatorObservers == null
                ? <NavigatorObserver>[GetObserver(routingCallback, Get.routing)]
                : <NavigatorObserver>[
                    GetObserver(routingCallback, Get.routing),
                    ...navigatorObservers!
                  ]));

        final routeInformationParser = Get.createInformationParser(
          initialRoute: initialRoute ??
              getPages?.first.name ??
              _cleanRouteName("/${home.runtimeType}"),
        );
        return MaterialApp.router(
          routerDelegate: routerDelegate,
          routeInformationParser: routeInformationParser,
          backButtonDispatcher: backButtonDispatcher,
          routeInformationProvider: routeInformationProvider,
          key: _.unikey,
          builder: defaultBuilder,
          title: title,
          onGenerateTitle: onGenerateTitle,
          color: color,
          theme: _.theme ?? theme ?? ThemeData.fallback(),
          darkTheme: _.darkTheme ?? darkTheme ?? theme ?? ThemeData.fallback(),
          themeMode: _.themeMode ?? themeMode,
          locale: Get.locale ?? locale,
          scaffoldMessengerKey: scaffoldMessengerKey ?? _.scaffoldMessengerKey,
          localizationsDelegates: localizationsDelegates,
          localeListResolutionCallback: localeListResolutionCallback,
          localeResolutionCallback: localeResolutionCallback,
          supportedLocales: supportedLocales,
          debugShowMaterialGrid: debugShowMaterialGrid,
          showPerformanceOverlay: showPerformanceOverlay,
          checkerboardRasterCacheImages: checkerboardRasterCacheImages,
          checkerboardOffscreenLayers: checkerboardOffscreenLayers,
          showSemanticsDebugger: showSemanticsDebugger,
          debugShowCheckedModeBanner: debugShowCheckedModeBanner,
          shortcuts: shortcuts,
          scrollBehavior: scrollBehavior,
          useInheritedMediaQuery: useInheritedMediaQuery,
        );
      });

  Widget defaultBuilder(BuildContext context, Widget? child) {
    return Directionality(
      textDirection: textDirection ??
          (rtlLanguages.contains(Get.locale?.languageCode)
              ? TextDirection.rtl
              : TextDirection.ltr),
      child: builder == null
          ? (child ?? Material())
          : builder!(context, child ?? Material()),
    );
  }

  Route<dynamic> generator(RouteSettings settings) {
    return PageRedirect(settings: settings, unknownRoute: unknownRoute).page();
  }

  // List<Route<dynamic>> initialRoutesGenerate(String name) {
  //   return [
  //     PageRedirect(
  //       settings: RouteSettings(name: name),
  //       unknownRoute: unknownRoute,
  //     ).page()
  //   ];
  // }
}