import 'dart:async';
import 'dart:io';

import 'package:ef/ef.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_svg/svg.dart';
import 'package:get_storage/get_storage.dart';
import 'package:vbvs_app/common/color/appConstants.dart';
import 'package:vbvs_app/common/util/FitTool.dart';
import 'package:vbvs_app/common/util/MyUtils.dart';
import 'package:vbvs_app/component/tool/TopSlideNotification.dart';
import 'package:vbvs_app/controller/main_bottom/global_controller.dart';
import 'package:vbvs_app/controller/main_bottom/main_page_controller.dart';
import 'package:vbvs_app/controller/message/message_controller.dart';
import 'package:vbvs_app/controller/setting/language/language_controller.dart';
import 'package:vbvs_app/controller/theme_controller/ThemeController.dart';
import 'package:vbvs_app/controller/user_info_controller.dart';
import 'package:vbvs_app/enum/APPPackageType.dart';
import 'package:vbvs_app/enum/LoginStatus.dart';
import 'package:vbvs_app/pages/common/selectDialog.dart';
import 'package:vbvs_app/pages/main_bottom/e_page.dart';
import 'package:vbvs_app/pages/main_bottom/home_page.dart';
import 'package:vbvs_app/pages/main_bottom/message_page.dart';
import 'package:vbvs_app/pages/main_bottom/mine_page.dart';
import 'package:vbvs_app/pages/mh_page/component/mht_bind_dialog.dart';

class MainPageBottomChange extends GetView<MainPageController> {
  GlobalController globalController = Get.find();
  ThemeController themeController = Get.find();
  MessageController messageController = Get.find();
  final getStorage = GetStorage();

  late final List<Widget> arr;
  late final List<BottomNavigationBarItem> bottomItems;
  DateTime? _lastBackPressedTime;
  LanguageController languageController = Get.find();
  bool select = false;//是否已经提示过升级弹窗

  MainPageBottomChange({super.key}) {
    // ✅ 根据是否测试账号动态生成页面
    if (!AppConstants.is_test_account) {
      arr = [
        HomePage(),
        EPage(sleepUri: "https://xiaoe.he-info.cn/"),
        MessagePage(),
        MinePage(),
      ];
      bottomItems = [
        getBottomNavigationBarItem("assets/img/menu/home.svg",
            "assets/img/menu/n_home.svg", "菜单.首页".tr),
        getBottomNavigationBarItem(
            "assets/img/menu/e.svg", "assets/img/menu/n_e.svg", "菜单.小e".tr),
        getBottomNavigationBarItem("assets/img/menu/message.svg",
            "assets/img/menu/n_message.svg", "菜单.消息".tr,
            showBadge: true),
        getBottomNavigationBarItem("assets/img/menu/mine.svg",
            "assets/img/menu/n_mine.svg", "菜单.我的".tr),
      ];
    } else {
      arr = [
        HomePage(),
        MessagePage(),
        MinePage(),
      ];
      bottomItems = [
        getBottomNavigationBarItem("assets/img/menu/home.svg",
            "assets/img/menu/n_home.svg", "菜单.首页".tr),
        getBottomNavigationBarItem("assets/img/menu/message.svg",
            "assets/img/menu/n_message.svg", "菜单.消息".tr,
            showBadge: (messageController.model.body_message_read == 1 ||
                messageController.model.system_message_read == 1)),
        getBottomNavigationBarItem("assets/img/menu/mine.svg",
            "assets/img/menu/n_mine.svg", "菜单.我的".tr),
      ];
    }
  }

  getBottomNavigationBarItem(String svgPath, String actSvgPath, String label,
      {double size = 0, bool isEmpty = false, bool showBadge = false}) {
    if (size == 0) size = 36.rpx;

    Widget buildIcon(String path) {
      return Obx(() {
        int type1 = messageController.model.body_message_read!;
        int type2 = messageController.model.system_message_read!;
        return Padding(
          padding: EdgeInsets.only(bottom: 6.rpx),
          child: isEmpty
              ? Container()
              : Stack(
                  clipBehavior: Clip.none,
                  children: [
                    SvgPicture.asset(
                      path,
                      width: size,
                      height: size,
                    ),
                    if ((type1 == 1 || type2 == 1) && showBadge)
                      Positioned(
                        right: -20.rpx,
                        top: -2.rpx,
                        child: Container(
                          width: 14.rpx,
                          height: 14.rpx,
                          decoration: const BoxDecoration(
                            color: Colors.red,
                            shape: BoxShape.circle,
                          ),
                        ),
                      ),
                  ],
                ),
        );
      });
    }

    return BottomNavigationBarItem(
      icon: buildIcon(actSvgPath),
      activeIcon: buildIcon(svgPath),
      label: label,
    );
  }

  @override
  Widget build(BuildContext context) {
    if (AppConstants().ent_type == APPPackageType.TH.code) {
      Future.delayed(const Duration(milliseconds: 0), () {
        String? isShowYingShiDialog = getStorage.read("isShowYingShiDialog");
        if (isShowYingShiDialog == null || isShowYingShiDialog != "true") {
          String btnName = "同意".tr;
          String cancelName = "取消".tr;
          if (Platform.isAndroid) cancelName = "退出".tr;

          showCustomConfirmOfWebViewDialog(context, "隐私协议".tr, getPrivacy(1),
                  btnName: btnName, showCancel: true, cancelName: cancelName)
              .then((e) {
            if (e == "confirm") {
              getStorage.write("isShowYingShiDialog", "true");
            } else {
              if (cancelName == "退出") SystemNavigator.pop();
            }
          });
        }
        if (select != true) {
          //todo 判断APP是否需要更新
          UserInfoController userInfoController = Get.find();
          userInfoController
              .checkAPPUpdate(AppConstants.theh_app_version)
              .then((data) {
            if (data != null) {
              if (data['update'] != null && data['update'] == true) {
                //需要更新
                String updateUrl = data['updateUrl'];
                try {
                  select = true;
                  showAPPUpgradeDialog(
                      // backgroundColor:themeController.currentColor.sc5,
                      context,
                      Column(
                        children: [
                          /// 上半部分：居中对齐
                          Column(
                            crossAxisAlignment: CrossAxisAlignment.center,
                            children: [
                              SizedBox(
                                width: 94.rpx,
                                height: 70.rpx,
                                child: SvgPicture.asset(
                                  'assets/img/icon/upgrade.svg',
                                  fit: BoxFit.cover,
                                ),
                              ),
                              SizedBox(height: 37.rpx),
                              Text(
                                "检测到新版本！".tr,
                                style: TextStyle(
                                  color: stringToColor("#333333"),
                                  fontSize: AppConstants().title_text_fontSize,
                                ),
                              ),
                            ],
                          ),

                          SizedBox(height: 37.rpx),

                          /// 下半部分：左对齐
                          Column(
                            crossAxisAlignment: CrossAxisAlignment.start,
                            children: [
                              Text("当前版本号".tr + "：" + "1.2.0"),
                              Text("升级后版本".tr + "：" + "1.2.0"),
                              Text(
                                "升级内容".tr +
                                    "：" +
                                    "更新更新更新更新更新更新更新更新更新更新更新更新更新更新更新更新更新更新等...",
                              ),
                            ],
                          ),
                        ],
                      ), onUpgradeTap: () {
                    if (Platform.isIOS) {
                      // 跳转AppStore
                      ef.log("msg");
                    } else {
                      //本地安装
                      ef.log("msg");
                    }
                    Get.back();
                  });
                } catch (e) {
                  ef.log("msg");
                }
              }
            }
          });
        }
      });
    }

    return Obx(() {
      final currentLanguage =
          languageController.selectLanguage.value; // 监听此变量变化
      return PopScope(
        canPop: false,
        onPopInvokedWithResult: (disposition, result) async {
          UserInfoController userInfoController = Get.find();
          if (userInfoController.model.isProgrammaticPop) {
            userInfoController.model.isProgrammaticPop = false;
            return;
          }

          // if (Platform.isAndroid) {
          //   Get.back();
          // }
          if (Platform.isAndroid) {
            var flag = await _handleBackPressed(context);
            if (flag) {
              SystemNavigator.pop();
            }
          }
        },
        child: Obx(() {
          int currentIndex = controller.model.currentIndex;

          // ✅ 防止 index 超出范围（例如测试账号少一个 tab）
          if (currentIndex >= arr.length) {
            currentIndex = 0;
            controller.model.currentIndex = 0;
          }

          if (globalController.model.hideBottomNavigationBar == true) {
            return Scaffold(
              body: IndexedStack(
                index: currentIndex,
                children:
                    arr.map((page) => SizedBox.expand(child: page)).toList(),
              ),
            );
          } else {
            return Container(
              decoration: BoxDecoration(
                image: DecorationImage(
                  image: AssetImage(getBackgroundImage()),
                  fit: BoxFit.fill,
                ),
              ),
              child: Scaffold(
                backgroundColor: Colors.transparent,
                body: IndexedStack(
                  index: currentIndex,
                  children:
                      arr.map((page) => SizedBox.expand(child: page)).toList(),
                ),
                bottomNavigationBar: Theme(
                  data: Theme.of(context).copyWith(
                    splashFactory: NoSplash.splashFactory,
                    splashColor: Colors.transparent,
                    highlightColor: Colors.transparent,
                  ),
                  child: Container(
                    decoration: BoxDecoration(
                      border: Border(
                        top: BorderSide(
                          color:
                              themeController.currentColor.sc4.withOpacity(0.5),
                          width: AppConstants().border_width,
                        ),
                      ),
                    ),
                    child: BottomNavigationBar(
                      unselectedItemColor: themeController.currentColor.sc4,
                      selectedItemColor: themeController.currentColor.sc1,
                      backgroundColor: themeController.currentColor.sc5,
                      selectedFontSize: 26.rpx,
                      unselectedFontSize: 26.rpx,
                      type: BottomNavigationBarType.fixed,
                      currentIndex: currentIndex,
                      onTap: (index) {
                        Future.delayed(const Duration(milliseconds: 100), () {
                          UserInfoController userInfoController = Get.find();
                          bool isLoggedIn = userInfoController.model.login ==
                              LoginStatus.LOGIN.code;

                          // ✅ 仅非测试账号检查登录状态
                          if (!AppConstants.is_test_account &&
                              (index == 2) &&
                              !isLoggedIn) {
                            TopSlideNotification.show(
                              context,
                              text: "必须登录提示".tr,
                              textColor: themeController.currentColor.sc9,
                            );
                            Future.delayed(const Duration(milliseconds: 50),
                                () {
                              if (Get.currentRoute == '/ePage' ||
                                  Get.currentRoute == '/messagePage') {
                                Get.back();
                              }
                              Future.delayed(const Duration(milliseconds: 100),
                                  () {
                                Get.toNamed("/otherLoginPage");
                              });
                            });
                            return;
                          }

                          if (controller.model.currentIndex != index) {
                            globalController.model.hideBottomNavigationBar =
                                false;
                            globalController.updateAll();
                          }

                          controller.model.currentIndex = index;
                          controller.updateAll();
                        });
                      },
                      items: bottomItems,
                    ),
                  ),
                ),
              ),
            );
          }
        }),
      );
    });
  }

  Future<bool> _handleBackPressed(BuildContext context) async {
    final currentTime = DateTime.now();
    if (_lastBackPressedTime == null ||
        currentTime.difference(_lastBackPressedTime!) >
            const Duration(seconds: 2)) {
      _lastBackPressedTime = currentTime;
      TopSlideNotification.show(context, text: "滑动退出提醒".tr);
      return false;
    } else {
      return true;
    }
  }
}