turash/bugulma/frontend/components/ui/MultiSelect.tsx

import { useMultiSelect } from '@/hooks/ui/useMultiSelect.ts';
import { useTranslation } from '@/hooks/useI18n.tsx';
import { ChevronDown } from 'lucide-react';
import { Card } from '@/components/ui/Card.tsx';
import Checkbox from '@/components/ui/Checkbox.tsx';
import Input from '@/components/ui/Input.tsx';

interface MultiSelectProps {
  options: readonly string[];
  selected: string[];
  onChange: (selected: string[]) => void;
  placeholder: string;
  className?: string;
}

const MultiSelect = ({
  options,
  selected,
  onChange,
  placeholder,
  className = '',
}: MultiSelectProps) => {
  const { t } = useTranslation();
  const {
    isOpen,
    setIsOpen,
    searchTerm,
    setSearchTerm,
    wrapperRef,
    toggleOption,
    filteredOptions,
    handleKeyDown,
  } = useMultiSelect(options as string[], selected, onChange);

  return (
    <div ref={wrapperRef} className={`relative ${className}`} onKeyDown={handleKeyDown}>
      <button
        type="button"
        onClick={() => setIsOpen(!isOpen)}
        className="flex h-10 w-full items-center justify-between rounded-md border bg-background px-3 py-2 text-sm text-left"
        aria-haspopup="listbox"
        aria-expanded={isOpen}
      >
        <span className={selected.length > 0 ? 'text-foreground' : 'text-muted-foreground'}>
          {selected.length > 0
            ? t('multiSelect.selected', { count: selected.length })
            : placeholder}
        </span>
        <ChevronDown className={`h-4 w-4 transition-transform ${isOpen ? 'rotate-180' : ''}`} />
      </button>

      {isOpen && (
        <Card className="absolute z-10 mt-1 w-full max-h-60 overflow-y-auto">
          <div className="p-2">
            <Input
              type="search"
              placeholder="Search..."
              value={searchTerm}
              onChange={(e) => setSearchTerm(e.target.value)}
              className="h-9"
            />
          </div>
          <ul className="p-1" role="listbox">
            {filteredOptions.map((option) => (
              <li key={option}>
                <label className="flex items-center gap-2 p-2 rounded-md hover:bg-muted cursor-pointer text-sm">
                  <Checkbox
                    checked={selected.includes(option)}
                    onChange={() => toggleOption(option)}
                  />
                  {option}
                </label>
              </li>
            ))}
          </ul>
        </Card>
      )}
    </div>
  );
};

export default MultiSelect;