import { Check, ChevronsUpDown } from "lucide-react";
import * as React from "react";
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/clsx";

export interface ComboboxItem {
  value: string;
  label: string;
}

interface ComboboxProps {
  items: ComboboxItem[];
  placeholder?: string;
  searchPlaceholder?: string;
  buttonClassName?: string;
  onValueChange?: (value: string) => void;
  defaultValue?: string;
}

export function Combobox({
  items,
  placeholder = "Pilih salah satu...",
  searchPlaceholder = "Cari opsi...",
  buttonClassName = "w-[200px]",
  onValueChange,
  defaultValue = "",
}: ComboboxProps) {
  const [open, setOpen] = React.useState(false);
  const [value, setValue] = React.useState(defaultValue);

  const handleSelect = (currentValue: string) => {
    setValue(currentValue === value ? "" : currentValue);
    setOpen(false);
    if (onValueChange) {
      onValueChange(currentValue === value ? "" : currentValue);
    }
  };

  return (
    <Popover open={open} onOpenChange={setOpen}>
      <PopoverTrigger asChild>
        <Button
          variant="outline"
          role="combobox"
          aria-expanded={open}
          className={cn(
            "justify-between overflow-hidden font-normal text-gray-600",
            buttonClassName,
          )}
        >
          {value ? items.find((item) => item.value === value)?.label : placeholder}
          <ChevronsUpDown className="ml-2 h-4 w-4 shrink-0 opacity-50" />
        </Button>
      </PopoverTrigger>
      <PopoverContent className={cn("p-0", buttonClassName)}>
        <Command className="w-full">
          <CommandInput placeholder={searchPlaceholder} />
          <CommandList>
            <CommandEmpty>Tidak ada item yang ditemukan.</CommandEmpty>
            <CommandGroup>
              {items.map((item) => (
                <CommandItem
                  key={item.value}
                  value={item.label}
                  onSelect={() => handleSelect(item.value)}
                >
                  <Check
                    className={cn(
                      "mr-2 h-4 w-4",
                      value === item.value ? "opacity-100" : "opacity-0",
                    )}
                  />
                  {item.label}
                </CommandItem>
              ))}
            </CommandGroup>
          </CommandList>
        </Command>
      </PopoverContent>
    </Popover>
  );
}