turash/bugulma/frontend/components/layout/TopBar.tsx

import BrandIdentity from '@/components/layout/BrandIdentity.tsx';
import { HeaderLayout, HeaderSection } from '@/components/layout/Header.tsx';
import HeaderActions from '@/components/layout/HeaderActions.tsx';
import Button from '@/components/ui/Button';
import { DropdownMenu } from '@/components/ui/DropdownMenu';
import SearchBar from '@/components/ui/SearchBar.tsx';
import { useAuth } from '@/contexts/AuthContext';
import { useTranslation } from '@/hooks/useI18n';
import { useScrollListener } from '@/hooks/useScrollListener.ts';
import React from 'react';
import { useNavigate } from 'react-router-dom';

interface TopBarProps {
  showSearch?: boolean;
  searchTerm?: string;
  onSearchChange?: (term: string) => void;
  onSearchSubmit?: () => void;
}

const TopBar = ({
  showSearch = false,
  searchTerm = '',
  onSearchChange,
  onSearchSubmit,
}: TopBarProps) => {
  const { t } = useTranslation();
  const { isAuthenticated } = useAuth();
  const navigate = useNavigate();
  const isScrolled = useScrollListener(10);

  return (
    <HeaderLayout
      variant="transparent"
      className={`sticky top-0 z-30 transition-all duration-300 ${isScrolled ? 'bg-background/80 backdrop-blur-lg shadow-sm border-b border-border/50' : 'bg-transparent'}`}
    >
      <HeaderSection>
        <BrandIdentity showPulse />
      </HeaderSection>

      {/* Navigation Menu */}
      <HeaderSection align="center" className="hidden md:flex order-2">
        <nav className="flex items-center gap-6">
          <Button
            variant="ghost"
            size="sm"
            onClick={() => navigate('/map')}
            className="text-sm font-medium"
          >
            {t('navigation.map')}
          </Button>
          <Button
            variant="ghost"
            size="sm"
            onClick={() => navigate('/discovery')}
            className="text-sm font-medium"
          >
            {t('navigation.discover')}
          </Button>

          {isAuthenticated && (
            <DropdownMenu
              trigger={
                <Button variant="ghost" size="sm" className="text-sm font-medium">
                  {t('navigation.community')}
                </Button>
              }
              items={[
                {
                  label: t('navigation.communityMenu.impact'),
                  value: 'impact',
                  onClick: () => navigate('/community/impact'),
                },
                {
                  label: t('navigation.communityMenu.stories'),
                  value: 'stories',
                  onClick: () => navigate('/community/stories'),
                },
                {
                  label: t('navigation.communityMenu.news'),
                  value: 'news',
                  onClick: () => navigate('/community/news'),
                },
                {
                  label: t('navigation.communityMenu.events'),
                  value: 'events',
                  onClick: () => navigate('/community/events'),
                },
              ]}
              align="left"
            />
          )}
        </nav>
      </HeaderSection>

      {showSearch && (
        <HeaderSection align="center" className="order-3 md:order-3">
          <SearchBar
            value={searchTerm}
            onChange={onSearchChange || (() => {})}
            onSubmit={onSearchSubmit}
            navigateOnEnter={!onSearchSubmit}
            containerClassName="w-full md:w-auto md:flex-1 max-w-md"
          />
        </HeaderSection>
      )}

      <HeaderSection
        align="right"
        className={`gap-3 ${showSearch ? 'order-4 md:order-4' : 'order-3'}`}
      >
        <HeaderActions />
      </HeaderSection>
    </HeaderLayout>
  );
};

export default React.memo(TopBar);