donutbrowser/src/components/ui/combobox.tsx

"use client";

import * as React from "react";
import { useTranslation } from "react-i18next";
import { LuCheck, LuChevronsUpDown } from "react-icons/lu";

import { Button } from "@/components/ui/button";
import {
  Command,
  CommandEmpty,
  CommandGroup,
  CommandInput,
  CommandItem,
  CommandList,
} from "@/components/ui/command";
import {
  Popover,
  PopoverContent,
  PopoverTrigger,
} from "@/components/ui/popover";
import { cn } from "@/lib/utils";

interface ComboboxOption {
  value: string;
  label: string;
  description?: string;
}

interface ComboboxProps {
  options: ComboboxOption[];
  value: string;
  onValueChange: (value: string) => void;
  placeholder?: string;
  searchPlaceholder?: string;
  className?: string;
  disabled?: boolean;
}

export function Combobox({
  options,
  value,
  onValueChange,
  placeholder,
  searchPlaceholder,
  className,
  disabled,
}: ComboboxProps) {
  const { t } = useTranslation();
  const [open, setOpen] = React.useState(false);
  const listboxId = React.useId();

  const resolvedPlaceholder = placeholder ?? t("common.buttons.select");
  const resolvedSearchPlaceholder =
    searchPlaceholder ?? t("common.buttons.search");

  return (
    <Popover open={open} onOpenChange={disabled ? undefined : setOpen}>
      <PopoverTrigger asChild>
        <Button
          variant="outline"
          role="combobox"
          aria-expanded={open}
          aria-controls={listboxId}
          disabled={disabled}
          className={cn("w-full justify-between", className)}
        >
          <span className="truncate">
            {value
              ? options.find((option) => option.value === value)?.label
              : resolvedPlaceholder}
          </span>
          <LuChevronsUpDown className="ml-2 size-4 shrink-0 opacity-50" />
        </Button>
      </PopoverTrigger>
      <PopoverContent
        id={listboxId}
        className="w-(--radix-popover-trigger-width) p-0"
      >
        <Command>
          <CommandInput placeholder={resolvedSearchPlaceholder} />
          <CommandList>
            <CommandEmpty>{t("common.noResults")}</CommandEmpty>
            <CommandGroup>
              {options.map((option) => (
                <CommandItem
                  key={option.value}
                  value={option.value}
                  onSelect={(currentValue) => {
                    onValueChange(currentValue === value ? "" : currentValue);
                    setOpen(false);
                  }}
                >
                  <LuCheck
                    className={cn(
                      "mr-2 size-4",
                      value === option.value ? "opacity-100" : "opacity-0",
                    )}
                  />
                  <div className="flex min-w-0 flex-col">
                    <span className="truncate">{option.label}</span>
                    {option.description && (
                      <span className="truncate text-sm text-muted-foreground">
                        {option.description}
                      </span>
                    )}
                  </div>
                </CommandItem>
              ))}
            </CommandGroup>
          </CommandList>
        </Command>
      </PopoverContent>
    </Popover>
  );
}