import 'dart:io' show Platform;
import 'package:flutter/foundation.dart';
import 'package:go_router/go_router.dart';
import 'package:hive_flutter/hive_flutter.dart';
import 'package:provider/provider.dart';
import 'package:quotegen_client/pages/gallery/page.dart';
import 'package:quotegen_client/pages/home/page.dart';
import 'package:quotegen_client/providers/backend_status_provider.dart';
import 'package:quotegen_client/providers/form_provider.dart';
import 'package:quotegen_client/providers/gallery_provider.dart';
import 'package:quotegen_client/providers/render_provider.dart';
import 'package:quotegen_client/providers/session_provider.dart';
import 'package:shadcn_flutter/shadcn_flutter.dart';
import 'package:google_mobile_ads/google_mobile_ads.dart';

void main() async {
  WidgetsFlutterBinding.ensureInitialized();

  // Initialize mobile ads (AdMob) only on mobile platforms (not web or macOS)
  if (!kIsWeb && !Platform.isMacOS) {
    await MobileAds.instance.initialize();
  }

  await Hive.initFlutter();
  await Hive.openLazyBox<String>("gallery");

  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MultiProvider(
      providers: [
        ChangeNotifierProvider(create: (_) => FormProvider()),
        ChangeNotifierProvider(create: (_) => SessionProvider()),
        ChangeNotifierProvider(create: (_) => RenderProvider()),
        ChangeNotifierProvider(create: (_) => GalleryProvider()),
        ChangeNotifierProvider(create: (_) => BackendStatusProvider()),
      ],
      child: ShadcnApp.router(
      title: 'TweetForge',
      routerConfig: _router,
      scaling: {
        TargetPlatform.iOS: AdaptiveScaling.only(
          sizeScaling: 1.3,
          textScaling: 1.2,
          radiusScaling: 1.3
        ),
        TargetPlatform.android: AdaptiveScaling.only(
          sizeScaling: 1.2,
          textScaling: 1.02,
          radiusScaling: 1.0
        ),
      }[defaultTargetPlatform] ?? AdaptiveScaling.mobile,
      theme: ThemeData(
        colorScheme: ColorSchemes.darkGray.indigo,
        surfaceOpacity: 1,

      ),
    ));
  }
}

GoRouter _router = GoRouter(
  initialLocation: "/",
  routes: [

    ShellRoute(
      builder: (context, state, child) {
        return _AppShell(child: child);
      },
      routes: [
        HomePage.route,
        GalleryPage.route,
      ]
    ),



  ],
);

class _AppShell extends StatelessWidget {
  final Widget child;
  const _AppShell({required this.child});

  @override
  Widget build(BuildContext context) {
    final location = GoRouterState.of(context).uri.path;
    final index = location.startsWith("/gallery") ? 1 : 0;

    double bottomPadding = MediaQuery.of(context).padding.bottom;

    return Column(
      children: [
        Expanded(child: child),

        NavigationBar(
          index: index,
          onSelected: (i) {
            if (i == 0) context.go("/");
            else if (i == 1) context.go("/gallery");
          },
          labelType: NavigationLabelType.all,
          children: [
            NavigationItem(
              label: Text(
                "Editor"
              ),
              child: Icon(
                LucideIcons.house
              ),
            ),
            NavigationItem(
              label: Text(
                "Gallery"
              ),
              child: Icon(
                LucideIcons.galleryHorizontal
              ),
            ),
            // NavigationItem(
            //   label: Text(
            //     "Settings"
            //   ),
            //   child: Icon(
            //     LucideIcons.settings
            //   ),
            // )
          ],
        ),

        if (defaultTargetPlatform == TargetPlatform.android)
          Gap(bottomPadding)

      ],
    );
  }
}