import 'package:e_commerce/const/AppColors.dart';
import 'package:e_commerce/ui/bottom_nav_pages/cart.dart';
import 'package:e_commerce/ui/bottom_nav_pages/favourite.dart';
import 'package:e_commerce/ui/bottom_nav_pages/home.dart';
import 'package:e_commerce/ui/bottom_nav_pages/profile.dart';
import 'package:e_commerce/ui/login_screen.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';

class BottomNavController extends StatefulWidget {
  @override
  _BottomNavControllerState createState() => _BottomNavControllerState();
}

class _BottomNavControllerState extends State<BottomNavController> {
  final _pages = [
    Home(),
    Favourite(),
    Cart(),
    Profile(),
  ];
  var _currentIndex = 0;
  DateTime? lastBackPressTime;

  @override
  Widget build(BuildContext context) {
    Future<bool> onWillPop() async {
      DateTime now = DateTime.now();
      if (lastBackPressTime == null ||
          now.difference(lastBackPressTime!) > Duration(seconds: 1)) {
        lastBackPressTime = now;
        return Future.value(true); // Allow back press
      } else {
        return showDialog(
          context: context,
          builder: (context) {
            return AlertDialog(
              title: Text("Konfirmasi"),
              content: Text("Apakah Anda yakin ingin keluar?"),
              actions: [
                TextButton(
                  onPressed: () {
                    Navigator.of(context).pop(false); // Cancel action
                  },
                  child: Text("Batal"),
                ),
                TextButton(
                  onPressed: () {
                    Navigator.pushReplacement(
                        context,
                        CupertinoPageRoute(
                            builder: (context) => LoginScreen()));
                  },
                  child: Text("Keluar"),
                ),
              ],
            );
          },
        ).then((value) => value ?? false); // If no response, default to false
      }
    }

    return WillPopScope(
      onWillPop: onWillPop,
      child: Scaffold(
        appBar: AppBar(
          backgroundColor: Colors.transparent,
          elevation: 0,
          title: Text(
            "PojokTI",
            style: TextStyle(color: Colors.black),
          ),
          centerTitle: true,
          automaticallyImplyLeading: false,
        ),
        bottomNavigationBar: BottomNavigationBar(
          elevation: 5,
          selectedItemColor: AppColors.deep_orange,
          backgroundColor: Colors.white,
          unselectedItemColor: Colors.grey,
          currentIndex: _currentIndex,
          selectedLabelStyle:
              TextStyle(color: Colors.black, fontWeight: FontWeight.bold),
          items: [
            BottomNavigationBarItem(
              icon: Icon(Icons.home),
              label: "Home",
            ),
            BottomNavigationBarItem(
                icon: Icon(Icons.favorite_outline), label: "Favourite"),
            BottomNavigationBarItem(
              icon: Icon(Icons.add_shopping_cart),
              label: "Cart",
            ),
            BottomNavigationBarItem(
              icon: Icon(Icons.person),
              label: "Person",
            ),
          ],
          onTap: (index) {
            setState(() {
              _currentIndex = index;
              print(_currentIndex);
            });
          },
        ),
        body: _pages[_currentIndex],
      ),
    );
  }
}