import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'screens/dashboard/dashboard_screen.dart';
import 'screens/routines/routines_screen.dart';
import 'screens/calendar/calendar_screen.dart';
import 'screens/stats/stats_screen.dart';
import 'screens/settings/settings_screen.dart';
import 'theme/app_theme.dart';

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  
  // Initialize Hive (local database)
  // await Hive.initFlutter();
  // _registerAdapters();
  
  runApp(
    const ProviderScope(
      child: LifeFlowApp(),
    ),
  );
}

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'LifeFlow',
      debugShowCheckedModeBanner: false,
      theme: AppTheme.lightTheme,
      darkTheme: AppTheme.darkTheme,
      themeMode: ThemeMode.system,
      home: const MainNavigationScreen(),
    );
  }
}

class MainNavigationScreen extends StatefulWidget {
  const MainNavigationScreen({super.key});

  @override
  State<MainNavigationScreen> createState() => _MainNavigationScreenState();
}

class _MainNavigationScreenState extends State<MainNavigationScreen> {
  int _currentIndex = 0;

  final _screens = const [
    DashboardScreen(),
    RoutinesScreen(),
    CalendarScreen(),
    StatsScreen(),
    SettingsScreen(),
  ];

  final _destinations = const [
    NavigationDestination(
      icon: Icon(Icons.dashboard_outlined),
      selectedIcon: Icon(Icons.dashboard),
      label: 'Home',
    ),
    NavigationDestination(
      icon: Icon(Icons.checklist_outlined),
      selectedIcon: Icon(Icons.checklist),
      label: 'Routines',
    ),
    NavigationDestination(
      icon: Icon(Icons.calendar_today_outlined),
      selectedIcon: Icon(Icons.calendar_today),
      label: 'Calendar',
    ),
    NavigationDestination(
      icon: Icon(Icons.insights_outlined),
      selectedIcon: Icon(Icons.insights),
      label: 'Stats',
    ),
    NavigationDestination(
      icon: Icon(Icons.settings_outlined),
      selectedIcon: Icon(Icons.settings),
      label: 'Settings',
    ),
  ];

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: AnimatedSwitcher(
        duration: const Duration(milliseconds: 300),
        child: _screens[_currentIndex],
      ),
      bottomNavigationBar: NavigationBar(
        selectedIndex: _currentIndex,
        onDestinationSelected: (index) {
          setState(() {
            _currentIndex = index;
          });
        },
        destinations: _destinations,
      ),
    );
  }
}