import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'player_management_screen.dart';
import 'timer_setup_screen.dart';
import 'fields_screen.dart';
import 'stats_screen.dart';
import 'settings_screen.dart';

class HomeScreen extends ConsumerStatefulWidget {
  const HomeScreen({super.key});

  @override
  ConsumerState<HomeScreen> createState() => _HomeScreenState();
}

class _HomeScreenState extends ConsumerState<HomeScreen> {
  int _selectedIndex = 0;

  static const List<Widget> _screens = [
    PlayerManagementScreen(),
    TimerSetupScreen(),
    FieldsScreen(),
    StatsScreen(),
  ];

  void _onTabTapped(int index) {
    setState(() {
      _selectedIndex = index;
    });
  }

  // Zeigt das Zahnrad nur auf Spieler- und Statistik-Tab
  bool _showSettingsIcon() {
    return _selectedIndex == 0 || _selectedIndex == 3;
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Schleifchenturnier'),
        centerTitle: true,
        backgroundColor: Theme.of(context).colorScheme.primaryContainer,
        foregroundColor: Theme.of(context).colorScheme.onPrimaryContainer,
        elevation: 4,
        actions: _showSettingsIcon()
            ? [
          IconButton(
            icon: const Icon(Icons.settings),
            onPressed: () {
              Navigator.of(context).push(
                MaterialPageRoute(builder: (_) => const SettingsScreen()),
              );
            },
          ),
        ]
            : null,
      ),
      body: _screens[_selectedIndex],
      bottomNavigationBar: BottomNavigationBar(
        type: BottomNavigationBarType.fixed,
        currentIndex: _selectedIndex,
        onTap: _onTabTapped,
        selectedItemColor: Theme.of(context).colorScheme.primary,
        unselectedItemColor: Colors.grey.shade600,
        items: const [
          BottomNavigationBarItem(icon: Icon(Icons.people), label: 'Spieler'),
          BottomNavigationBarItem(icon: Icon(Icons.timer), label: 'Timer'),
          BottomNavigationBarItem(icon: Icon(Icons.sports_volleyball), label: 'Felder'),
          BottomNavigationBarItem(icon: Icon(Icons.bar_chart), label: 'Statistik'),
        ],
      ),
    );
  }
}