ModernMemoires/lib/utils/widgets/BottomNavigationWidget.dart

import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';

class CustomBottomNavigationBar extends StatefulWidget {
  final int initialSelectedIndex;

  CustomBottomNavigationBar({Key? key, this.initialSelectedIndex = 0})
      : super(key: key);

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

class _CustomBottomNavigationBarState extends State<CustomBottomNavigationBar> {
  late int _selectedIndex;

  @override
  void initState() {
    super.initState();
    _selectedIndex = widget.initialSelectedIndex;
  }

  void _onItemTapped(int index) {
    setState(() {
      _selectedIndex = index;
    });
    print('Item $index clicked');
    var currentRoute =
        GoRouter.of(context).routeInformationProvider.value.location;
    var goToRoute = "/";
    switch (index) {
      case 0:
        goToRoute = "/statistic";
        break;
      case 1:
        goToRoute = "/home";
        break;
      case 2:
        goToRoute = "/settings";
        break;
    }
    if (currentRoute != goToRoute) {
      context.go(goToRoute);
    }
  }

  @override
  Widget build(BuildContext context) {
    return Container(
      width: 175,
      margin: EdgeInsets.only(left: 130, right: 130, bottom: 30),
      padding: EdgeInsets.all(5),
      decoration: BoxDecoration(
        color: Colors.white,
        border: Border.all(color: Colors.transparent),
        borderRadius:
            BorderRadius.circular(40), // Adjust radius to fit your design
        boxShadow: [
          BoxShadow(
            color: Colors.grey.withOpacity(0.5),
            spreadRadius: 1,
            blurRadius: 7,
            offset: Offset(3, 3), // changes position of shadow
          ),
          BoxShadow(
            color: Colors.grey.withOpacity(0.3),
            spreadRadius: 1,
            blurRadius: 5,
            offset: Offset(-1, -1), // changes position of shadow
          ),
          // You can add more BoxShadow layers to create more complex shadows
        ],
      ),
      child: ClipRRect(
        borderRadius: BorderRadius.circular(35),
        child: Row(
          mainAxisAlignment: MainAxisAlignment.spaceEvenly,
          children: <Widget>[
            _buildNavItem(Icons.stacked_bar_chart, 0),
            _buildNavItem(Icons.circle, 1),
            _buildNavItem(Icons.settings, 2),
          ],
        ),
      ),
    );
  }

  Widget _buildNavItem(IconData icon, int index) {
    return Container(
      decoration: _selectedIndex == index
          ? BoxDecoration(
              color: Colors.lightGreen,
              borderRadius: BorderRadius.circular(40),
            )
          : null,
      child: IconButton(
        icon: Icon(icon),
        color: _selectedIndex == index ? Colors.white : null,
        onPressed: () => _onItemTapped(index),
        splashColor: Colors.transparent,
        highlightColor: Colors.transparent,
        iconSize: 30,
      ),
    );
  }
}