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// adapted from https://github.com/shadcn-ui/ui/issues/927#issuecomment-1788084995// @deno-types="npm:@types/react@18.2.60"import * as React from "react";
import { Button } from "./button.tsx";import {  Command,  CommandEmpty,  CommandGroup,  CommandInput,  CommandItem,} from "./command.tsx";import { Popover, PopoverContent, PopoverTrigger } from "./popover.tsx";import { ScrollArea } from "./scroll-area.tsx";import { cn } from "./utils.ts";
export interface ComboboxOption {  value: string;  label: React.ReactNode;}
type ComboboxPropsSingle = {  options: ComboboxOption[];  emptyText?: string;  clearable?: boolean;  selectPlaceholder?: string;  searchPlaceholder?: string;  multiple?: false;  value?: string;  onChange?: (value: string) => void;};
type ComboboxPropsMultiple = {  options: ComboboxOption[];  emptyText?: string;  clearable?: boolean;  selectPlaceholder?: string;  searchPlaceholder?: string;  multiple: true;  value?: string[];  onChange?: (value: string[]) => void;};
export type ComboboxProps = ComboboxPropsSingle | ComboboxPropsMultiple;
export const handleSingleSelect = (  props: ComboboxPropsSingle,  option: ComboboxOption,) => {  if (props.clearable) {    props.onChange?.(option.value === props.value ? "" : option.value);  } else {    props.onChange?.(option.value);  }};
export const handleMultipleSelect = (  props: ComboboxPropsMultiple,  option: ComboboxOption,) => {  if (props.value?.includes(option.value)) {    if (!props.clearable && props.value.length === 1) return false;    props.onChange?.(      props.value.filter((value) => value !== option.value),    );  } else {    props.onChange?.([...(props.value ?? []), option.value]);  }};
export const Combobox = React.forwardRef(  (props: ComboboxProps, ref: React.ForwardedRef<HTMLInputElement>) => {    const [open, setOpen] = React.useState(false);
    return (      <Popover open={open} onOpenChange={setOpen}>        <PopoverTrigger asChild>          <Button            role="combobox"            variant="outline"            aria-expanded={open}            disabled={props.disabled}            className="w-full justify-between hover:bg-secondary/20 active:scale-100"          >            <span className="line-clamp-1 text-left font-normal">              {props.multiple && props.value && props.value.length === 1 && (                <span className="mr-2">{props.value}</span>              )}
              {props.multiple && props.value && props.value.length > 1 && (                <span className="mr-2">                  {props.value.length} options selected                </span>              )}
              {!props.multiple &&                props.value &&                props.value !== "" &&                props.options.find((option) => option.value === props.value)                  ?.label}
              {(!props.value || (props.multiple && props.value.length === 0)) &&                (props.selectPlaceholder ?? "Select an option")}            </span>            <i              className={cn(                "mdi-chevron-down ml-2 h-4 w-4 shrink-0 rotate-0 opacity-50 transition-transform",                open && "rotate-180",              )}            />          </Button>        </PopoverTrigger>        <PopoverContent align="start" className="p-0">          <Command>            <CommandInput              ref={ref}              placeholder={props.searchPlaceholder ?? "Search for an option"}            />            <CommandEmpty>{props.emptyText ?? "No results found"}</CommandEmpty>            <CommandGroup>              <ScrollArea orientation="vertical">                <div className="max-h-60">                  {props.options.map((option) => (                    <CommandItem                      key={option.value as string}                      value={(option.label as string).toLowerCase().trim()}                      onSelect={(selectedLabel) => {                        const option = props.options.find(                          (option) =>                            (option.label as string).toLowerCase().trim() ===                              selectedLabel,                        );
                        if (!option) return null;
                        if (props.multiple) {                          handleMultipleSelect(props, option);                        } else {                          handleSingleSelect(props, option);                          setOpen(false);                        }                      }}                    >                      <i                        className={cn(                          "mdi-check mr-2 h-4 w-4 opacity-0",                          !props.multiple && props.value === option.value &&                            "opacity-100",                          props.multiple &&                            props.value?.includes(option.value) &&                            "opacity-100",                        )}                      />                      {option.label}                    </CommandItem>                  ))}                </div>              </ScrollArea>            </CommandGroup>          </Command>        </PopoverContent>      </Popover>    );  },);