'use client';

import { Button } from '@/components/ui/button';
import { Input } from '@/components/ui/input';
import {
  ChevronLeftIcon,
  ChevronRightIcon,
  SquareCheckIcon,
  SquareIcon,
} from 'lucide-react';
import React from 'react';

export type TransferListItemType = {
  key: string;
  label: string;
  selected?: boolean;
};

export default function TransferList({
  items,
}: {
  items: TransferListItemType[];
}) {
  const [leftList, setLeftList] = React.useState<TransferListItemType[]>(items);
  const [rightList, setRightList] = React.useState<TransferListItemType[]>([]);
  const [leftSearch, setLeftSearch] = React.useState('');
  const [rightSearch, setRightSearch] = React.useState('');

  const moveToRight = () => {
    const selectedItems = leftList.filter((item) => item.selected);
    setRightList([...rightList, ...selectedItems]);
    setLeftList(leftList.filter((item) => !item.selected));
  };

  const moveToLeft = () => {
    const selectedItems = rightList.filter((item) => item.selected);
    setLeftList([...leftList, ...selectedItems]);
    setRightList(rightList.filter((item) => !item.selected));
  };

  const toggleSelection = (
    list: TransferListItemType[],
    setList: React.Dispatch<React.SetStateAction<TransferListItemType[]>>,
    key: string,
  ) => {
    const updatedList = list.map((item) => {
      if (item.key === key) {
        return { ...item, selected: !item.selected };
      }
      return item;
    });

    setList(updatedList);
  };

  return (
    <div className="flex space-x-4">
      <div className="w-1/2 shadow-sm bg-background rounded-sm">
        <div className="flex items-center justify-between">
          <Input
            placeholder="Search"
            className="rounded-br-none rounded-bl-none rounded-tr-none focus-visible:ring-0 focus-visible:border-blue-500"
            value={leftSearch}
            onChange={(e) => setLeftSearch(e.target.value)}
          />
          <Button
            className="rounded-tl-none rounded-bl-none rounded-br-none border-l-0"
            onClick={moveToRight}
            size="icon"
            variant="outline"
          >
            <ChevronRightIcon className="h-4 w-4" />
          </Button>
        </div>
        <ul className="h-[200px] border-l border-r border-b rounded-br-sm rounded-bl-sm p-1.5 overflow-y-scroll">
          {leftList
            .filter((item) =>
              item.label.toLowerCase().includes(leftSearch.toLowerCase()),
            )
            .map((item) => (
              <li
                className="flex items-center gap-1.5 text-sm hover:bg-muted rounded-sm"
                key={item.key}
              >
                <button
                  type={'button'}
                  className="flex items-center gap-1.5 w-full p-1.5"
                  onClick={() =>
                    toggleSelection(leftList, setLeftList, item.key)
                  }
                >
                  {item.selected ? (
                    <SquareCheckIcon className="h-5 w-5 text-muted-foreground/50" />
                  ) : (
                    <SquareIcon className="h-5 w-5 text-muted-foreground/50" />
                  )}
                  {item.label}
                </button>
              </li>
            ))}
        </ul>
      </div>

      <div className="w-1/2 shadow-sm bg-background rounded-sm">
        <div className="flex items-center justify-between">
          <Button
            className="rounded-tr-none rounded-br-none rounded-bl-none border-r-0"
            onClick={moveToLeft}
            size="icon"
            variant="outline"
          >
            <ChevronLeftIcon className="h-4 w-4" />
          </Button>
          <Input
            placeholder="Search"
            className="rounded-bl-none rounded-br-none rounded-tl-none focus-visible:ring-0 focus-visible:border-blue-500"
            value={rightSearch}
            onChange={(e) => setRightSearch(e.target.value)}
          />
        </div>
        <ul className="h-[200px] border-l border-r border-b rounded-br-sm rounded-bl-sm p-1.5 overflow-y-scroll">
          {rightList
            .filter((item) =>
              item.label.toLowerCase().includes(rightSearch.toLowerCase()),
            )
            .map((item) => (
              <li
                className="flex items-center gap-1.5 text-sm hover:bg-muted rounded-sm"
                key={item.key}
              >
                <button
                  type="button"
                  className="flex items-center gap-1.5 w-full p-1.5"
                  onClick={() =>
                    toggleSelection(rightList, setRightList, item.key)
                  }
                >
                  {item.selected ? (
                    <SquareCheckIcon className="h-4 w-4 text-muted-foreground/50" />
                  ) : (
                    <SquareIcon className="h-4 w-4 text-muted-foreground/50" />
                  )}
                  {item.label}
                </button>
              </li>
            ))}
        </ul>
      </div>
    </div>
  );
}