eatvio_app/lib/widgets/custom_bottom_bar.dart

import 'package:eatvio_app/core/app_export.dart';
import 'package:flutter/material.dart';
import 'package:eatvio_app/widgets/app_bar/appbar_title_circleimage.dart';
import 'package:eatvio_app/widgets/custom_navigation_menu.dart';

// ignore: must_be_immutable
class CustomBottomBar extends StatefulWidget {
  CustomBottomBar({this.onChanged});

  Function(BottomBarEnum)? onChanged;

  @override
  CustomBottomBarState createState() => CustomBottomBarState();
}

class CustomBottomBarState extends State<CustomBottomBar> {
  int selectedIndex = 2;

  List<BottomMenuModel> bottomMenuList = [
    BottomMenuModel(
        icon: ImageConstant.imgLogo,
        activeIcon: ImageConstant.imgLogo,
        type: BottomBarEnum.tf,
        image: false),
    BottomMenuModel(
        icon: ImageConstant.imgFeed,
        activeIcon: ImageConstant.imgFeed,
        title: "Лента",
        type: BottomBarEnum.tf,
        image: false),
    BottomMenuModel(
        icon: ImageConstant.imgDiary,
        activeIcon: ImageConstant.imgDiary,
        title: "diary".tr,
        type: BottomBarEnum.tf,
        image: false),
    BottomMenuModel(
        icon: ImageConstant.imgChat,
        activeIcon: ImageConstant.imgChat,
        title: "chat".tr,
        type: BottomBarEnum.tf,
        image: false),
    BottomMenuModel(
        icon: ImageConstant.imgBell,
        activeIcon: ImageConstant.imgBell,
        type: BottomBarEnum.tf,
        image: false),
    BottomMenuModel(
      icon: ImageConstant.imgEllipse1,
      activeIcon: ImageConstant.imgEllipse1,
      type: BottomBarEnum.tf,
      image: true,
    ),
  ];

  @override
  Widget build(BuildContext context) {
    return Container(
      height: 100.v,
      decoration: BoxDecoration(
        border: Border.all(
          color: appTheme.whiteA700,
          width: 1.h,
        ),
      ),
      child: BottomNavigationBar(
        backgroundColor: Colors.transparent,
        showSelectedLabels: false,
        showUnselectedLabels: false,
        selectedFontSize: 0,
        elevation: 0,
        currentIndex: selectedIndex,
        type: BottomNavigationBarType.fixed,
        items: List.generate(bottomMenuList.length, bottomMenu),
        onTap: changeMeny,
      ),
    );
  }

  void changeMeny(index) {
    setState(() {
      selectedIndex = index;
    });

    switch (index) {
      case 0:
        Navigator.pushNamed(context, AppRoutes.myProfile);
        break;
      case 1:
        Navigator.pushNamed(context, AppRoutes.feedScreen);
        break;
      case 2:
        Navigator.pushNamed(context, AppRoutes.diaryEdit);
        break;
      case 3:
        Navigator.pushNamed(context, AppRoutes.chatSelectScreen);
        break;
    }
  }

  BottomNavigationBarItem bottomMenu(index) {
    bool isSelected = selectedIndex == index;

    double iconHeight;
    double iconWidth;

    if (index == 0) {
     
      iconHeight = 50.v; 
      iconWidth = 50.h; 
    } else if (index == bottomMenuList.length - 2) {
      iconHeight = 20.v; 
      iconWidth = 20.h; 
    } else if (index == bottomMenuList.length - 1) {
      iconHeight = 40.v; 
      iconWidth = 40.h; 
    } else {
      iconHeight = 24.v; 
      iconWidth = 19.h;
    }

    return BottomNavigationBarItem(
      icon: Column(
        crossAxisAlignment: CrossAxisAlignment.center,
        children: [
          if (!bottomMenuList[index].image)
            CustomImageView(
              imagePath: bottomMenuList[index].icon,
              height: iconHeight,
              width: iconWidth,
              color:
                  isSelected ? theme.colorScheme.primary : appTheme.blueGray400,
            ),
          if (bottomMenuList[index].image)
            GestureDetector(
              onTap: () => showMenu(
                context: context,
                color: Colors.white,
                shadowColor: Colors.white,
                surfaceTintColor: Colors.white,
                position: RelativeRect.fromLTRB(
                  MediaQuery.of(context).size.width -
                      50, 
                  kToolbarHeight + 340,
                  0, // Не смещаем по горизонтали
                  0, // Не смещаем по вертикали
                ),
                items: [
                  PopupMenuItem(
                    child:
                        CustomNavigationMenu(), // Используйте ваше меню здесь
                  )
                ],
              ),
              child: AppbarTitleCircleimage(
                imagePath: ImageConstant.imgEllipse1,
              ),
            ),
          if (bottomMenuList[index].title !=
              null) // Проверяем, существует ли title
            Padding(
              padding: EdgeInsets.only(top: 8.v),
              child: Text(
                bottomMenuList[index].title!,
                style: CustomTextStyles.bodySmallMulishBluegray80012.copyWith(
                  color: isSelected
                      ? theme.colorScheme.primary
                      : appTheme.blueGray800,
                ),
              ),
            ),
        ],
      ),
      activeIcon: Column(
        crossAxisAlignment: CrossAxisAlignment.center,
        children: [
          CustomImageView(
            imagePath: bottomMenuList[index].activeIcon,
            height: iconHeight, // Используем тот же размер для активной иконки
            width: iconWidth, // Используем тот же размер для активной иконки
            color: theme.colorScheme.primary,
          ),
          Padding(
            padding: EdgeInsets.only(top: 9.v),
            child: Text(
              bottomMenuList[index].title ?? "",
              style: CustomTextStyles.bodySmallMulishPrimary.copyWith(
                color: theme.colorScheme.primary,
              ),
            ),
          ),
        ],
      ),
      label: '',
    );
  }
}

enum BottomBarEnum {
  tf,
}

class BottomMenuModel {
  BottomMenuModel({
    required this.icon,
    required this.activeIcon,
    this.title,
    required this.type,
    required this.image,
  });

  String icon;

  String activeIcon;

  String? title;

  BottomBarEnum type;

  bool image;
}