import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import '../../services/auth_service.dart';
import '../profile/profile_page.dart';
import 'tabs/water_supply_tab.dart';
import 'tabs/inspection_tab.dart';
import 'tabs/revenue_tab.dart';

/// 首页 —— 底部三 Tab (供水 / 巡检 / 营收) + 个人中心入口
class HomePage extends StatefulWidget {
  const HomePage({super.key});
  @override
  State<HomePage> createState() => _HomePageState();
}

class _HomePageState extends State<HomePage> {
  int _tabIndex = 0;

  final List<Widget> _tabs = const [
    WaterSupplyTab(),
    InspectionTab(),
    RevenueTab(),
  ];

  final List<String> _titles = const ['供水管理', '巡检管理', '营业收费'];

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(_titles[_tabIndex]),
        centerTitle: true,
        actions: [
          IconButton(
            icon: const Icon(Icons.person_outline),
            tooltip: '个人中心',
            onPressed: () {
              Navigator.push(
                context,
                MaterialPageRoute(builder: (_) => const ProfilePage()),
              );
            },
          ),
        ],
      ),
      body: IndexedStack(index: _tabIndex, children: _tabs),
      bottomNavigationBar: NavigationBar(
        selectedIndex: _tabIndex,
        onDestinationSelected: (i) => setState(() => _tabIndex = i),
        destinations: const [
          NavigationDestination(
            icon: Icon(Icons.water_drop_outlined),
            selectedIcon: Icon(Icons.water_drop),
            label: '供水',
          ),
          NavigationDestination(
            icon: Icon(Icons.search),
            selectedIcon: Icon(Icons.search),
            label: '巡检',
          ),
          NavigationDestination(
            icon: Icon(Icons.receipt_long_outlined),
            selectedIcon: Icon(Icons.receipt_long),
            label: '营收',
          ),
        ],
      ),
    );
  }
}