import 'package:flutter/material.dart';
import 'features/home/home_screen.dart';
import 'features/history/history_screen.dart';
import 'features/statistics/statistics_screen.dart';
import 'features/garage/weapon_list_screen.dart';
import 'core/theme/app_theme.dart';

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

  @override
  State<MainNavigationHolder> createState() => _MainNavigationHolderState();
}

class _MainNavigationHolderState extends State<MainNavigationHolder> {
  int _selectedIndex = 0;

  // Incrémenté à chaque ouverture de l'onglet Stats pour forcer le rechargement
  // (l'écran est gardé vivant par l'IndexedStack et ne se rafraîchit pas seul).
  int _statsTick = 0;

  void _onItemTapped(int index) {
    setState(() {
      _selectedIndex = index;
      if (index == 2) _statsTick++;
    });
  }

  @override
  Widget build(BuildContext context) {
    final screens = [
      const HomeScreen(),
      const HistoryScreen(),
      StatisticsScreen(refreshTick: _statsTick),
      const WeaponListScreen(),
    ];
    return Scaffold(
      body: IndexedStack(
        index: _selectedIndex,
        children: screens,
      ),
      bottomNavigationBar: Container(
        decoration: BoxDecoration(
          boxShadow: [
            BoxShadow(
              color: Colors.black.withValues(alpha: 0.1),
              blurRadius: 10,
              offset: const Offset(0, -2),
            ),
          ],
        ),
        child: BottomNavigationBar(
          currentIndex: _selectedIndex,
          onTap: _onItemTapped,
          type: BottomNavigationBarType.fixed,
          backgroundColor: Theme.of(context).cardColor,
          selectedItemColor: AppTheme.primaryColor,
          unselectedItemColor: Colors.grey,
          showUnselectedLabels: true,
          items: const [
            BottomNavigationBarItem(
              icon: Icon(Icons.home_outlined),
              activeIcon: Icon(Icons.home),
              label: 'Accueil',
            ),
            BottomNavigationBarItem(
              icon: Icon(Icons.history_outlined),
              activeIcon: Icon(Icons.history),
              label: 'Historique',
            ),
            BottomNavigationBarItem(
              icon: Icon(Icons.analytics_outlined),
              activeIcon: Icon(Icons.analytics),
              label: 'Stats',
            ),
            BottomNavigationBarItem(
              icon: Icon(Icons.shield_outlined),
              activeIcon: Icon(Icons.shield),
              label: 'Armurerie',
            ),
          ],
        ),
      ),
    );
  }
}