SolarAgent/lib/widgets/navigation.dart

import 'package:flutter/material.dart';
import 'package:solaragent/router.dart';

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

  static const List<(String, NavigationDestination)> destinations = [
    ('/', NavigationDestination(icon: Icon(Icons.explore), label: 'Explore')),
    ('/notifications', NavigationDestination(icon: Icon(Icons.notifications), label: 'Notifications')),
    ('/account', NavigationDestination(icon: Icon(Icons.account_circle), label: 'Account')),
  ];

  @override
  State<AgentNavigation> createState() => _AgentNavigationState();
}

class _AgentNavigationState extends State<AgentNavigation> {
  int currentPage = 0;

  @override
  void initState() {
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    return NavigationBar(
      selectedIndex: currentPage,
      destinations: AgentNavigation.destinations
          .map(((String, NavigationDestination) e) => e.$2)
          .toList(),
      onDestinationSelected: (index) {
        router.go(AgentNavigation.destinations[index].$1);
        setState(() => currentPage = index);
      },
    );
  }
}