flutterApp/lib/features/main_container/presentation/main_wrapper.dart

import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:maibu_satabot_v2/features/main_container/presentation/cubit/tab_config_cubit.dart';
import 'package:maibu_satabot_v2/features/main_container/domain/tab_config.dart';
import 'package:maibu_satabot_v2/features/home/presentation/pages/home_page.dart';
import 'package:maibu_satabot_v2/features/v2/home/presentation/pages/home_v2_page.dart';
import 'package:maibu_satabot_v2/features/v2/home/presentation/bloc/home_v2_bloc.dart';
import 'package:maibu_satabot_v2/features/ai/presentation/pages/ai_page.dart';
import 'package:maibu_satabot_v2/features/waring_center/presentation/pages/warning_center_page.dart';
import 'package:maibu_satabot_v2/features/my/presentation/pages/my_page.dart';
import 'package:maibu_satabot_v2/core/di/injection.dart';

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

  @override
  State<MainWrapper> createState() => _MainWrapperState();
}

class _MainWrapperState extends State<MainWrapper> {
  int _currentIndex = 0;
  final PageController _pageController = PageController();

  @override
  void dispose() {
    _pageController.dispose();
    super.dispose();
  }

  IconData _getIconData(String iconName) {
    switch (iconName) {
      case 'home_rounded':
        return Icons.home_rounded;
      case 'grid_view_rounded':
        return Icons.grid_view_rounded;
      case 'auto_awesome_rounded':
        return Icons.auto_awesome_rounded;
      case 'warning_amber_rounded':
        return Icons.warning_amber_rounded;
      case 'person_rounded':
        return Icons.person_rounded;
      default:
        return Icons.home_rounded;
    }
  }

  Widget _buildCurrentPage(TabConfigItem tab) {
    switch (tab.id) {
      case 'home_v2':
        return BlocProvider(
          create: (context) => sl<HomeV2Bloc>(),
          child: const HomeV2Page(),
        );
      case 'home':
        return const HomePage();
      case 'ai':
        return const AiPage();
      case 'warning':
        return const WarningCenterPage();
      case 'my':
        return const MyPage();
      default:
        return const HomePage();
    }
  }

  @override
  Widget build(BuildContext context) {
    return BlocBuilder<TabConfigCubit, TabConfigState>(
      builder: (context, state) {
        if (state is! TabConfigLoaded) {
          return const Scaffold(body: Center(child: CircularProgressIndicator()));
        }

        final config = state.config;
        final enabledItems = config.enabledItems;

        if (enabledItems.isEmpty) {
          return const Scaffold(
            body: Center(
              child: Text('请至少启用一个 Tab'),
            ),
          );
        }

        if (_currentIndex >= enabledItems.length) {
          _currentIndex = 0;
        }

        return Scaffold(
          extendBody: true,
          body: PageView(
            controller: _pageController,
            physics: const NeverScrollableScrollPhysics(),
            onPageChanged: (index) {
              setState(() {
                _currentIndex = index;
              });
            },
            children: enabledItems.map((tab) => _buildCurrentPage(tab)).toList(),
          ),
          bottomNavigationBar: Container(
            decoration: BoxDecoration(
              color: Colors.white,
              boxShadow: [
                BoxShadow(
                  color: Colors.black.withOpacity(0.08),
                  blurRadius: 10,
                  offset: const Offset(0, -2),
                ),
              ],
            ),
            child: SafeArea(
              top: false,
              child: Row(
                mainAxisAlignment: MainAxisAlignment.spaceAround,
                children: enabledItems.asMap().entries.map((entry) {
                  final index = entry.key;
                  final item = entry.value;
                  final isSelected = _currentIndex == index;
                  
                  return Expanded(
                    child: InkWell(
                      onTap: () {
                        setState(() {
                          _currentIndex = index;
                        });
                        _pageController.jumpToPage(index);
                      },
                      child: Column(
                        mainAxisSize: MainAxisSize.min,
                        children: [
                          const SizedBox(height: 8),
                          Icon(
                            _getIconData(item.icon),
                            size: 24,
                            color: isSelected ? Colors.blue : Colors.grey,
                          ),
                          const SizedBox(height: 4),
                          Text(
                            item.name,
                            style: TextStyle(
                              fontSize: 11,
                              color: isSelected ? Colors.blue : Colors.grey,
                              fontWeight: isSelected ? FontWeight.w600 : FontWeight.normal,
                            ),
                          ),
                          const SizedBox(height: 8),
                        ],
                      ),
                    ),
                  );
                }).toList(),
              ),
            ),
          ),
        );
      },
    );
  }
}