import 'package:dating_touchme_app/generated/assets.dart';
import 'package:dating_touchme_app/pages/message/message_page.dart';
import 'package:dating_touchme_app/pages/mine/mine_page.dart';
import 'package:dating_touchme_app/rtc/rtm_manager.dart';
import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:get/get.dart';
import 'package:get_storage/get_storage.dart';

import 'package:dating_touchme_app/controller/mine/user_controller.dart';
import 'package:dating_touchme_app/controller/message/conversation_controller.dart';
import 'package:tdesign_flutter/tdesign_flutter.dart';

import '../../extension/router_service.dart';
import '../../widget/double_tap_to_exit_widget.dart';
import '../discover/discover_page.dart';
import '../home/home_page.dart';
// 移除未使用的导入

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

  @override
  State<MainPage> createState() => _MainPageState();
}

class _MainPageState extends State<MainPage> {
  final storage = GetStorage();
  PageController pageController = PageController(initialPage: 0);
  int currentIndex = 0; // 使用普通int替代RxInt
  
  // 将页面实例存储为成员变量，避免每次build都重新创建
  late HomePage homePage;
  late DiscoverPage discoverPage;
  late MessagePage messagePage;
  late MinePage minePage;

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

    // 初始化页面实例
    homePage = HomePage();
    discoverPage = DiscoverPage();
    messagePage = MessagePage();
    minePage = MinePage();

    // 初始化UserController并调用获取环信用户token的方法
    final userController = Get.put(UserController());
    userController.getHxUserToken();
    Get.put(RouteGuardService());
    // 检查token并调用获取婚姻信息详情的方法
    checkTokenAndFetchMarriageInfo();
    initRTM();
  }

  // 检查token并获取婚姻信息详情
  Future<void> checkTokenAndFetchMarriageInfo() async {
    // 调用userController中的getMarriageInformationDetail方法
    final userController = Get.find<UserController>();
    final userId = storage.read<String>('userId');
    if(userId != null && userId.isNotEmpty){
      await userController.getBaseUserInfo(userId, true);
    }
  }
  
  initRTM() async {
    String? userId = storage.read<String>('userId');
    await RTMManager.instance.initialize(appId: '4c2ea9dcb4c5440593a418df0fdd512d', userId: userId ?? '');
  }

  @override
  Widget build(BuildContext context) {
    return DoubleTapToExitWidget(
      child: Scaffold(
        backgroundColor: Colors.transparent,
        resizeToAvoidBottomInset: false,
        body: PageView(
          physics: const NeverScrollableScrollPhysics(),
          controller: pageController,
          children: [
            homePage, // 使用成员变量引用
            discoverPage,
            messagePage,
            minePage,
          ],
        ),
        bottomNavigationBar: _buildBottomNavigationBar(),
      ),
    );
  }

  /// 构建底部导航栏
  Widget _buildBottomNavigationBar() {
    // 确保 ConversationController 已注册（如果未注册则注册一个，避免 Obx 中的错误）
    if (!Get.isRegistered<ConversationController>()) {
      Get.put(ConversationController(), permanent: false);
    }
    
    return Obx(() {
      // 在 Obx 内部直接访问 observable，不使用条件判断，确保 GetX 能够追踪变化
      final controller = Get.find<ConversationController>();
      final unreadCount = controller.totalUnreadCount.value;
      
      return TDBottomTabBar(
            currentIndex: currentIndex,
            TDBottomTabBarBasicType.iconText,
            componentType: TDBottomTabBarComponentType.normal,
            useVerticalDivider: false,
            navigationTabs: [
              tabItem('首页', Assets.imagesHomePre, Assets.imagesHomeNol, 0),
              tabItem('找对象', Assets.imagesDiscoverPre, Assets.imagesDiscoverNol, 1),
          tabItemWithBadge('消息', Assets.imagesMessagePre, Assets.imagesMessageNol, 2, unreadCount),
              tabItem('我的', Assets.imagesMinePre, Assets.imagesMineNol, 3),
            ]
    );
    });
  }

  /// 底部导航栏item
  TDBottomTabBarTabConfig tabItem(String title, String selectedIcon, String unselectedIcon, int index) {
    return TDBottomTabBarTabConfig(
      tabText: title,
      selectedIcon: Image.asset(selectedIcon, width: 25, height: 25, fit: BoxFit.cover),
      unselectedIcon: Image.asset(unselectedIcon, width: 25, height: 25, fit: BoxFit.cover),
      selectTabTextStyle: TextStyle(color: Color(0xFFED4AC3)),
      unselectTabTextStyle: TextStyle(color: Color(0xFF999999)),
      onTap: () {
        currentIndex = index;
        pageController.jumpToPage(index);
      },
    );
  }

  /// 底部导航栏item（带未读数红点）
  TDBottomTabBarTabConfig tabItemWithBadge(String title, String selectedIcon, String unselectedIcon, int index, int unreadCount) {
    // 构建带未读数红点的图标
    Widget buildIconWithBadge(String iconPath, bool isSelected) {
      return Stack(
        clipBehavior: Clip.none,
        children: [
          Image.asset(iconPath, width: 25, height: 25, fit: BoxFit.cover),
          if (unreadCount > 0)
            Positioned(
              right: -6.w,
              top: -6.w,
              child: Container(
                padding: EdgeInsets.symmetric(horizontal: unreadCount > 99 ? 4.w : 5.w, vertical: 2.w),
                decoration: BoxDecoration(
                  color: Color(0xFFFF3B30),
                  borderRadius: BorderRadius.circular(10.w),
                  border: Border.all(color: Colors.white, width: 1.w),
                ),
                constraints: BoxConstraints(
                  minWidth: 16.w,
                  minHeight: 16.w,
                ),
                child: Center(
                  child: Text(
                    unreadCount > 99 ? '99+' : unreadCount.toString(),
                    style: TextStyle(
                      color: Colors.white,
                      fontSize: 10.sp,
                      fontWeight: FontWeight.w500,
                    ),
                    textAlign: TextAlign.center,
                  ),
                ),
              ),
            ),
        ],
      );
    }

    return TDBottomTabBarTabConfig(
      tabText: title,
      selectedIcon: buildIconWithBadge(selectedIcon, true),
      unselectedIcon: buildIconWithBadge(unselectedIcon, false),
      selectTabTextStyle: TextStyle(color: Color(0xFFED4AC3)),
      unselectTabTextStyle: TextStyle(color: Color(0xFF999999)),
      onTap: () {
        currentIndex = index;
        pageController.jumpToPage(index);
      },
    );
  }
}