import 'package:flutter/material.dart';
import 'book_screen.dart';
import 'calendar_screen.dart';
import 'settings_screen.dart';
import 'target_screen.dart';
import '../widgets/bottom_nav.dart';
//import 'login_screen.dart';
import 'camera_screen.dart';


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

  @override
  _HomeScreenState createState() => _HomeScreenState();
}

class _HomeScreenState extends State<HomeScreen> {
  int _selectedIndex = 1; // Default to Shooting Screen

  static final List<Widget> _pages = <Widget>[
    BookScreen(),
    TargetScreen(),
    Placeholder(), // Placeholder for Scan - optional
    CalendarScreen(),
    SettingsScreen(),
  ];

  static final List<String> _pageTitles = [
    'Book',
    'Shooting',
    'Scan',
    'Calendar',
    'Settings'
  ];

  void _onItemTapped(int index) {
    if (index == 2) {
      _openCameraScan();
      return;
    }
    setState(() {
      _selectedIndex = index;
    });
  }

  //void _logout() {
  //  Navigator.of(context).pushAndRemoveUntil(
  //    MaterialPageRoute(builder: (context) => const LoginScreen()),
  //    (Route<dynamic> route) => false,
  //  );
  //}

  // When opening the camera screen, ensure the shooting screen is always selected after returning
  void _openCameraScan() async {
    // Navigate to CameraScreen
    await Navigator.of(context).push(
      MaterialPageRoute(builder: (context) => const CameraScreen()),
    );

    // After returning, ensure that Shooting screen (index 1) is selected
    setState(() {
      _selectedIndex = 1;
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(
          _pageTitles[_selectedIndex],
          style: const TextStyle(color: Colors.white),
        ),
        backgroundColor: Colors.grey[900],
        iconTheme: const IconThemeData(color: Colors.white),
        automaticallyImplyLeading: false,
        actions: [
          IconButton(
            icon: const Icon(Icons.logout, color: Colors.red),
            onPressed: null, // disables the button
          ),
        ],
      ),
      body: _pages[_selectedIndex],
      bottomNavigationBar: BottomNavBar(
        selectedIndex: _selectedIndex,
        onItemTapped: _onItemTapped,
      ),
    );
  }
}