import 'package:flutter/material.dart';

import '../features/peers/pages/peers_page.dart';
import '../features/settings/pages/settings_page.dart';
import '../features/transfer/pages/transfer_page.dart';

enum AppTab { peers, transfer, settings }

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

  @override
  State<HomeShell> createState() => _HomeShellState();
}

class _HomeShellState extends State<HomeShell> {
  AppTab _current = AppTab.peers;

  void _onSelect(int index) {
    setState(() {
      _current = AppTab.values[index];
    });
  }

  @override
  Widget build(BuildContext context) {
    final isWide = MediaQuery.sizeOf(context).width >= 920;
    final pages = const [PeersPage(), TransferPage(), SettingsPage()];

    if (isWide) {
      return Scaffold(
        body: Row(
          children: [
            NavigationRail(
              selectedIndex: _current.index,
              onDestinationSelected: _onSelect,
              labelType: NavigationRailLabelType.all,
              minWidth: 84,
              destinations: const [
                NavigationRailDestination(
                  icon: Icon(Icons.radar_rounded),
                  label: Text('Peers'),
                ),
                NavigationRailDestination(
                  icon: Icon(Icons.sync_alt_rounded),
                  label: Text('Transfer'),
                ),
                NavigationRailDestination(
                  icon: Icon(Icons.tune_rounded),
                  label: Text('Settings'),
                ),
              ],
            ),
            const VerticalDivider(width: 1),
            Expanded(child: pages[_current.index]),
          ],
        ),
      );
    }

    return Scaffold(
      body: pages[_current.index],
      bottomNavigationBar: NavigationBar(
        selectedIndex: _current.index,
        onDestinationSelected: _onSelect,
        destinations: const [
          NavigationDestination(
            icon: Icon(Icons.radar_rounded),
            label: 'Peers',
          ),
          NavigationDestination(
            icon: Icon(Icons.sync_alt_rounded),
            label: 'Transfer',
          ),
          NavigationDestination(
            icon: Icon(Icons.tune_rounded),
            label: 'Settings',
          ),
        ],
      ),
    );
  }
}