王明 / Food-Labeling-Management-Platform

  import React, { useEffect, useMemo, useRef, useState } from 'react';

  import { Search, Settings } from 'lucide-react';

  import { Input } from '../ui/input';
  import { Button } from '../ui/button';
  import { Avatar, AvatarFallback, AvatarImage } from '../ui/avatar';

  import { useAuth } from '../auth/AuthProvider';
  import { displayNameFromUser, displayRolesFromCodes } from '../../lib/currentUserDisplay';
  import { formatRelativeSince } from '../../lib/relativeSince';

  import type { CurrentUserMenuNodeDto } from '../../types/authSession';
  import {
    buildGlobalMenuSearchItems,
    filterGlobalMenuSearchItems,
  } from '../../lib/globalMenuSearch';
  import { cn } from '../ui/utils';

  
  interface HeaderProps {
    title: string;

    menus?: CurrentUserMenuNodeDto[];
    /** 选中搜索结果后跳转（与侧栏 setCurrentView 一致） */
    onNavigate?: (view: string) => void;

    /** 右上角设置：默认跳转 Support，与侧栏一致 */
    onSettingsClick?: () => void;

    /** 点击右上角姓名/角色区域：进入当前用户编辑（由 Layout/App 处理路由） */
    onProfileClick?: () => void;

  }
  

  export function Header({ title, menus, onNavigate, onSettingsClick, onProfileClick }: HeaderProps) {

    const auth = useAuth();
    const displayName = displayNameFromUser(auth.user);
    /** 第一行：姓名；第二行：接口返回的人类可读角色（如 Partner Admin） */
    const primaryName = auth.roleDisplay
      ? (auth.user?.fullName ?? '').trim() ||
        (auth.user?.nick ?? auth.user?.userName ?? '').trim() ||
        displayName
      : displayName;
    const roleLine = auth.roleDisplay ?? displayRolesFromCodes(auth.roleCodes);
    const initials = primaryName
      .split(/\s+/)
      .filter(Boolean)
      .slice(0, 2)
      .map((w) => w[0]?.toUpperCase() ?? '')
      .join('') || 'U';
  

    const currentDate = new Date().toLocaleDateString('en-US', {
      year: 'numeric',
      month: 'long',
      day: 'numeric',

    });
  

    const searchItems = useMemo(() => buildGlobalMenuSearchItems(menus), [menus]);
    const [searchQuery, setSearchQuery] = useState('');
    const [searchOpen, setSearchOpen] = useState(false);
    const [activeIndex, setActiveIndex] = useState(0);
    const searchWrapRef = useRef<HTMLDivElement>(null);
  
    const searchResults = useMemo(
      () => filterGlobalMenuSearchItems(searchItems, searchQuery),
      [searchItems, searchQuery],
    );
  
    const showResults = searchOpen && searchQuery.trim().length > 0 && searchResults.length > 0;
  
    useEffect(() => {
      setActiveIndex(0);
    }, [searchQuery, searchResults.length]);
  
    useEffect(() => {
      if (!searchOpen) return;
      const onDocDown = (e: MouseEvent) => {
        if (!searchWrapRef.current?.contains(e.target as Node)) {
          setSearchOpen(false);
        }
      };
      document.addEventListener('mousedown', onDocDown);
      return () => document.removeEventListener('mousedown', onDocDown);
    }, [searchOpen]);
  
    const pickResult = (viewKey: string) => {
      onNavigate?.(viewKey);
      setSearchQuery('');
      setSearchOpen(false);
    };
  
    const onSearchKeyDown = (e: React.KeyboardEvent<HTMLInputElement>) => {
      if (!searchResults.length) {
        if (e.key === 'Escape') setSearchOpen(false);
        return;
      }
      if (e.key === 'ArrowDown') {
        e.preventDefault();
        setActiveIndex((i) => (i + 1) % searchResults.length);
        return;
      }
      if (e.key === 'ArrowUp') {
        e.preventDefault();
        setActiveIndex((i) => (i - 1 + searchResults.length) % searchResults.length);
        return;
      }
      if (e.key === 'Enter') {
        e.preventDefault();
        const item = searchResults[activeIndex];
        if (item) pickResult(item.viewKey);
        return;
      }
      if (e.key === 'Escape') {
        setSearchOpen(false);
      }
    };
  

    return (
      <header className="bg-white border-b border-gray-200 px-8 flex items-center justify-between shadow-sm sticky top-0 z-10 shrink-0" style={{ height: 90 }}>
        <div>
          <h1 className="text-2xl font-bold" style={{ color: 'rgb(43, 50, 143)' }}>{title} Overview</h1>
          <p className="text-sm text-gray-500 mt-1 flex items-center gap-2">

            {currentDate} | Last updated:{' '}
            {auth.loading && !auth.user?.lastUpdated
              ? '…'
              : formatRelativeSince(auth.user?.lastUpdated ?? null)}

          </p>
        </div>
  
        <div className="flex items-center gap-4">

          <div ref={searchWrapRef} className="relative">
            <div
              className={cn(
                'flex items-center w-64 h-9 rounded-md border border-gray-200 bg-gray-50 transition-colors overflow-hidden',
                searchOpen && 'bg-white ring-2 ring-ring/50 border-ring',
              )}
            >
              <Search className="h-4 w-4 text-gray-400 shrink-0 ml-3 pointer-events-none" />
              <Input
                type="search"
                placeholder="Search..."
                value={searchQuery}
                onChange={(e) => {
                  setSearchQuery(e.target.value);
                  setSearchOpen(true);
                }}
                onFocus={() => setSearchOpen(true)}
                onKeyDown={onSearchKeyDown}
                className="flex-1 min-w-0 border-0 bg-transparent focus-visible:ring-0 focus-visible:ring-offset-0 py-2 px-2 h-full"
                aria-label="Search menus"
                aria-expanded={showResults}
                aria-autocomplete="list"
                role="combobox"
              />
            </div>
  
            {showResults && (
              <ul
                className="absolute left-0 right-0 top-full mt-1 max-h-72 overflow-y-auto rounded-md border border-gray-200 bg-white py-1 shadow-lg z-50"
                role="listbox"
              >
                {searchResults.map((item, index) => (
                  <li key={item.viewKey} role="option" aria-selected={index === activeIndex}>
                    <button
                      type="button"
                      className={cn(
                        'w-full px-3 py-2 text-left transition-colors',
                        index === activeIndex ? 'bg-blue-50' : 'hover:bg-gray-50',
                      )}
                      onMouseEnter={() => setActiveIndex(index)}
                      onClick={() => pickResult(item.viewKey)}
                    >
                      <div className="text-sm font-medium text-gray-900">{item.label}</div>
                      {item.breadcrumb ? (
                        <div className="text-xs text-gray-500 mt-0.5 truncate">{item.breadcrumb}</div>
                      ) : null}
                    </button>
                  </li>
                ))}
              </ul>
            )}

          </div>

          <Button
            type="button"
            variant="ghost"
            size="icon"
            className="text-gray-500 hover:text-gray-700"
            aria-label="Open Support"
            onClick={() => onSettingsClick?.()}
          >

            <Settings className="w-5 h-5" />
          </Button>

          <div className="h-8 w-px bg-gray-200 mx-2" />

          <button
            type="button"
            onClick={() => onProfileClick?.()}
            className="flex items-center gap-3 rounded-lg border border-transparent px-2 py-1.5 text-left transition-colors hover:border-gray-200 hover:bg-gray-50 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-blue-500/40"
            aria-label="Open my profile"
          >
            <div className="text-right hidden md:block min-w-0 max-w-[12rem]">
              <div className="text-sm font-medium text-gray-900 truncate">{primaryName}</div>
              <div className="text-xs text-gray-500 truncate" title={roleLine}>
                {roleLine}
              </div>

            </div>

            <Avatar className="h-10 w-10 shrink-0 border border-gray-200">

              <AvatarImage src="https://github.com/shadcn.png" />

              <AvatarFallback>{initials}</AvatarFallback>

            </Avatar>

          </button>

        </div>
      </header>
    );
  }