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

import '../core/auth_service.dart';
import 'automation_rules_tab.dart';
import 'devices_tab.dart';
import 'zones_tab.dart';

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

  @override
  State<HomeScreen> createState() => _HomeScreenState();
}

class _HomeScreenState extends State<HomeScreen> {
  int _index = 0;

  static const _titles = ['Устройства', 'Зоны', 'Правила'];
  static const _tabs = [DevicesTab(), ZonesTab(), AutomationRulesTab()];

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(_titles[_index]),
        actions: [
          IconButton(
            icon: const Icon(Icons.logout),
            tooltip: 'Выйти',
            onPressed: () => context.read<AuthService>().logout(),
          ),
        ],
      ),
      body: IndexedStack(index: _index, children: _tabs),
      bottomNavigationBar: NavigationBar(
        selectedIndex: _index,
        onDestinationSelected: (index) => setState(() => _index = index),
        destinations: const [
          NavigationDestination(icon: Icon(Icons.devices_other), label: 'Устройства'),
          NavigationDestination(icon: Icon(Icons.room), label: 'Зоны'),
          NavigationDestination(icon: Icon(Icons.rule), label: 'Правила'),
        ],
      ),
    );
  }
}