import 'dart:io';

import 'package:dynamic_color/dynamic_color.dart';
import 'package:fluent_ui/fluent_ui.dart' as f;
import 'package:flutter/cupertino.dart' as c;
import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart' as m;
import 'package:flutter/services.dart';
import 'package:flutter/widgets.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:info_tren/models.dart';
import 'package:info_tren/pages/about/about_page.dart';
import 'package:info_tren/pages/main/main_page.dart';
import 'package:info_tren/pages/settings/setings_page.dart';
import 'package:info_tren/pages/station_arrdep_page/select_station/select_station.dart';
import 'package:info_tren/pages/station_arrdep_page/view_station/view_station.dart';
import 'package:info_tren/pages/train_info_page/view_train/train_info.dart';
import 'package:info_tren/pages/train_info_page/select_train/select_train.dart';
import 'package:info_tren/providers.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:timezone/data/latest.dart';

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  initializeTimeZones();
  final sharedPreferences = await SharedPreferences.getInstance();
  runApp(
    ProviderScope(
      overrides: [
        sharedPreferencesProvider.overrideWithValue(sharedPreferences),
      ],
      child: const StartPoint(),
    ),
  );
}

Map<String, WidgetBuilder> get routes => {
  Navigator.defaultRouteName: (context) {
    return const MainPage();
  },
  AboutPage.routeName: (context) {
    return const AboutPage();
  },
  SettingsPage.routeName: (context) {
    return const SettingsPage();
  },
  SelectTrainPage.routeName: (context) {
    return const SelectTrainPage();
  },
  TrainInfo.routeName: (context) {
    final args = ModalRoute.of(context)!.settings.arguments as TrainInfoArguments;
    return ProviderScope(
      overrides: [
        trainInfoArgumentsProvider.overrideWithValue(args),
      ],
      child: const TrainInfo(),
    );
  },
  SelectStationPage.routeName: (context) {
    return const SelectStationPage();
  },
  ViewStationPage.routeName: (context) {
    final args = ModalRoute.of(context)!.settings.arguments as ViewStationArguments;
    return ProviderScope(
      overrides: [
        viewStationArgumentsProvider.overrideWithValue(args),
      ],
      child: const ViewStationPage(),
    );
  },
};

class DragFluentScrollBevahior extends f.FluentScrollBehavior {
  const DragFluentScrollBevahior();

  @override
  Set<PointerDeviceKind> get dragDevices => {
    PointerDeviceKind.mouse,
    PointerDeviceKind.touch,
  };
}

class DragCupertinoScrollBevahior extends c.CupertinoScrollBehavior {
  const DragCupertinoScrollBevahior();

  @override
  Set<PointerDeviceKind> get dragDevices => {
    PointerDeviceKind.mouse,
    PointerDeviceKind.touch,
  };
}

class DragMaterialScrollBevahior extends m.MaterialScrollBehavior {
  const DragMaterialScrollBevahior();

  @override
  Set<PointerDeviceKind> get dragDevices => {
    PointerDeviceKind.mouse,
    PointerDeviceKind.touch,
  };
}

class StartPoint extends ConsumerWidget {
  final String appTitle = 'Info Tren';

  const StartPoint({super.key});

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final uiDesign = ref.watch(uiDesignProvider);
    if (uiDesign == UiDesign.CUPERTINO) {
      return DynamicColorBuilder(
        builder: (lightScheme, darkScheme) {
          return AnnotatedRegion(
            value: const SystemUiOverlayStyle(
              statusBarBrightness: c.Brightness.dark,
            ),
            child: c.CupertinoApp(
              title: appTitle,
              theme: c.CupertinoThemeData(
                primaryColor: darkScheme?.primary ?? m.Colors.blue.shade600,
                brightness: c.Brightness.dark,
                // textTheme: CupertinoTextThemeData(
                //   textStyle: TextStyle(
                //     fontFamily: 'Atkinson Hyperlegible',
                //   ),
                // ),
              ),
              scrollBehavior: Platform.isLinux ? const DragCupertinoScrollBevahior() : null,
              routes: routes,
            ),
          );
        }
      );
    }
    else if (uiDesign == UiDesign.FLUENT) {
      return DynamicColorBuilder(
        builder: (lightScheme, darkScheme) {
          return f.FluentApp(
            title: appTitle,
            theme: f.FluentThemeData(
              brightness: f.Brightness.light,
              accentColor: lightScheme != null ? f.AccentColor.swatch({
                'normal': lightScheme.primary,
              }) : f.Colors.blue,
            ),
            darkTheme: f.FluentThemeData(
              brightness: f.Brightness.dark,
              accentColor: darkScheme != null ? f.AccentColor.swatch({
                'normal': darkScheme.primary,
              }) : f.Colors.blue,
            ),
            routes: routes,
            scrollBehavior: Platform.isLinux ? const DragFluentScrollBevahior() : const f.FluentScrollBehavior(),
          );
        }
      );
    }
    else {
      return DynamicColorBuilder(
        builder: (lightScheme, darkScheme) {
          lightScheme ??= m.ColorScheme.fromSwatch(
            brightness: m.Brightness.light,
            primarySwatch: m.Colors.blue,
          );
          darkScheme ??= m.ColorScheme.fromSwatch(
            brightness: m.Brightness.dark,
            primarySwatch: m.Colors.blue,
          );
            

          return m.MaterialApp(
            title: appTitle,
            theme: m.ThemeData(
              colorScheme: lightScheme,
              useMaterial3: true,
              // fontFamily: 'Atkinson Hyperlegible',
            ),
            darkTheme: m.ThemeData(
              colorScheme: darkScheme,
              useMaterial3: true,
              // fontFamily: 'Atkinson Hyperlegible',
            ),
            scrollBehavior: Platform.isLinux ? const DragMaterialScrollBevahior() : null,
            routes: routes,
          );
        }
      );
    }
  }
}