import 'dart:async';
import 'package:flutter/material.dart';
import 'core/app_controller.dart';
import 'l10n/strings.dart';
import 'services/blob_store.dart';
import 'services/secure_store.dart';
import 'services/local_files.dart';
import 'ui/adaptive.dart';
import 'ui/gates.dart';
import 'ui/theme.dart';
import 'ui/workspace.dart';

void main() {
  WidgetsFlutterBinding.ensureInitialized();
  unawaited(purgeTransferCache().catchError((Object _) {}));
  final controller = AppController(DeviceStore.normal, blobs: FileBlobStore());
  runApp(SmMobileApp(controller));
  controller.initialize();
}

class SmMobileApp extends StatefulWidget {
  final AppController controller;
  const SmMobileApp(this.controller, {super.key});
  @override
  State<SmMobileApp> createState() => _SmMobileAppState();
}

class _SmMobileAppState extends State<SmMobileApp> {
  final navigator = GlobalKey<NavigatorState>();
  @override
  void initState() {
    super.initState();
    widget.controller.onLocked = () {
      unawaited(purgeTransferCache().catchError((Object _) {}));
      navigator.currentState?.popUntil((r) => r.isFirst);
    };
  }

  @override
  Widget build(BuildContext context) => ListenableBuilder(
    listenable: widget.controller,
    builder: (_, _) {
      final c = widget.controller;
      return MaterialApp(
        navigatorKey: navigator,
        title: 'SM Mobile',
        debugShowCheckedModeBanner: false,
        locale: c.locale,
        supportedLocales: AppLocalizations.supportedLocales,
        localizationsDelegates: AppLocalizations.localizationsDelegates,
        theme: buildTheme(Brightness.light),
        darkTheme: buildTheme(Brightness.dark),
        themeMode: c.theme,
        builder: (context, child) => Listener(
          onPointerDown: (_) => c.activity(),
          onPointerMove: (_) => c.activity(),
          // iOS and Android keep the keyboard open after a tap outside a
          // text field; a tap on empty space closes it. Taps on buttons,
          // fields and the terminal are won by their own recognizers.
          child: GestureDetector(
            behavior: HitTestBehavior.translucent,
            // Not an action for screen readers, only a touch convenience.
            excludeFromSemantics: true,
            onTap: () => FocusManager.instance.primaryFocus?.unfocus(),
            child: MinimumCanvas(child: child!),
          ),
        ),
        home: !c.ready
            ? const Scaffold(body: Center(child: CircularProgressIndicator()))
            : c.startupError != null
            ? Builder(
                builder: (context) => Scaffold(
                  body: SafeArea(
                    child: Center(
                      child: Padding(
                        padding: const EdgeInsets.all(24),
                        child: Text(context.tr(c.startupError!)),
                      ),
                    ),
                  ),
                ),
              )
            : !c.accepted
            ? Onboarding(c)
            : !c.vault.unlocked
            ? VaultGate(c)
            : Workspace(c),
      );
    },
  );
}