import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'main_screen.dart';
import 'permission_screen.dart';
import 'preferences.dart';

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await Preferences.init();

  // Keep status bar dark throughout the app
  SystemChrome.setSystemUIOverlayStyle(
    const SystemUiOverlayStyle(
      statusBarColor: Color(0xFF0d0d0d),
      statusBarIconBrightness: Brightness.light,
    ),
  );

  runApp(const TracPulseApp());
}

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'TracPulse',
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        useMaterial3: true,
        brightness: Brightness.dark,
        scaffoldBackgroundColor: const Color(0xFF0d0d0d),
        colorScheme: const ColorScheme.dark(
          surface: Color(0xFF0d0d0d),
          primary: Color(0xFF00bcd4),
          secondary: Color(0xFF00e676),
        ),
        appBarTheme: const AppBarTheme(
          centerTitle: true,
          backgroundColor: Color(0xFF161616),
          foregroundColor: Color(0xFFe0e0e0),
          elevation: 0,
        ),
        snackBarTheme: const SnackBarThemeData(
          backgroundColor: Color(0xFF1a1a1a),
          contentTextStyle: TextStyle(
            fontFamily: 'monospace',
            color: Color(0xFFe0e0e0),
          ),
        ),
        pageTransitionsTheme: const PageTransitionsTheme(
          builders: {
            TargetPlatform.android: ZoomPageTransitionsBuilder(),
            TargetPlatform.iOS: CupertinoPageTransitionsBuilder(),
          },
        ),
      ),
      home: Preferences.permissionsGranted
          ? const MainScreen()
          : const PermissionScreen(),
    );
  }
}