kanban-app/frontend/src/components/kanban/KanbanColumn.tsx

import { useDroppable } from '@dnd-kit/core';
import { SortableContext, verticalListSortingStrategy } from '@dnd-kit/sortable';
import { ListWithCards, Card as CardType } from '../../types/kanban';
import { KanbanCard } from './KanbanCard';
import { CreateCardModal } from './CreateCardModal';
import { useModal } from '../../context/modals/useModal';

interface KanbanColumnProps {
  list: ListWithCards;
  cards: CardType[];
  onCardClick: (card: CardType) => void;
  onCardCreate: (data: { name: string; description?: string }) => Promise<void>;
}

export function KanbanColumn({ list, cards, onCardClick, onCardCreate }: KanbanColumnProps) {
  const { setNodeRef, isOver } = useDroppable({
    id: `LIST_${list.id}`,
  });

  const { openModal } = useModal();

  const handleAddCard = () => {
    openModal((props) => <CreateCardModal {...props} onCreate={onCardCreate} />);
  };

  return (
    <div className="bg-gray-800 rounded-lg p-4 min-w-[300px] max-w-[300px] border border-gray-700 flex flex-col">
      <h2 className="text-white font-bold text-lg mb-4 flex items-center justify-between">
        {list.name}
        <span className="bg-gray-600 text-gray-300 text-xs px-2 py-1 rounded-full">
          {cards.length}
        </span>
      </h2>

      <SortableContext
        id={list.id.toString()}
        items={cards.map((card) => card.id.toString())}
        strategy={verticalListSortingStrategy}
      >
        <div
          ref={setNodeRef}
          className={`min-h-[200px] flex-1 transition-colors ${isOver ? 'bg-gray-750' : ''}`}
        >
          {cards.map((card) => (
            <KanbanCard key={card.id} card={card} onClick={() => onCardClick(card)} />
          ))}
        </div>
      </SortableContext>

      <button
        onClick={handleAddCard}
        className="mt-3 w-full py-2 px-4 bg-gray-700 hover:bg-gray-600 text-gray-300 hover:text-white rounded-lg transition-colors flex items-center justify-center gap-2 text-sm font-medium"
      >
        <svg
          xmlns="http://www.w3.org/2000/svg"
          width="16"
          height="16"
          viewBox="0 0 24 24"
          fill="none"
          stroke="currentColor"
          strokeWidth="2"
          strokeLinecap="round"
          strokeLinejoin="round"
        >
          <line x1="12" y1="5" x2="12" y2="19"></line>
          <line x1="5" y1="12" x2="19" y2="12"></line>
        </svg>
        Add Card
      </button>
    </div>
  );
}