import 'package:flutter/material.dart';
import 'package:ta_running/screens/start_activity_screen.dart';
import 'home_screen.dart';
import 'profile_screen.dart';

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

  @override
  State<MainScreen> createState() => _MainScreenState();
}

class _MainScreenState extends State<MainScreen> {
  int _selectedIndex = 0;

  final List<Widget> _screens = [
    const HomeScreen(),
    const StartActivityScreen(),
    const ProfileScreen(),
  ];

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

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: _screens[_selectedIndex],
      bottomNavigationBar: Container(
        decoration: BoxDecoration(
          color: Colors.white,
          boxShadow: [
            BoxShadow(
              color: Colors.black.withOpacity(0.2), // Warna bayangan hitam dengan transparansi
              blurRadius: 10, // Ukuran blur bayangan
              offset: Offset(0, -4), // Posisi bayangan
            ),
          ],
        ),
        child: BottomNavigationBar(
          currentIndex: _selectedIndex,
          onTap: _onTabTapped,
          showSelectedLabels: true, // label tampil saat aktif
          showUnselectedLabels: false, // label disembunyikan saat tidak aktif
          selectedItemColor: Colors.blueAccent,
          unselectedItemColor: Colors.grey,
          backgroundColor: Colors.white,
          type: BottomNavigationBarType.fixed,
          items: const [
            BottomNavigationBarItem(
              icon: Icon(Icons.home),
              label: 'Home',
            ),
            BottomNavigationBarItem(
              icon: Icon(Icons.play_arrow),
              label: 'Start',
            ),
            BottomNavigationBarItem(
              icon: Icon(Icons.person),
              label: 'Profile',
            ),
          ],
        ),
      ),
    );
  }
}