'use client';

import { RequirementStatus } from '@ftb/shared';
import { RequirementStatusBadge } from './RequirementStatusBadge';
import { PRIORITY_LABEL, REQUIREMENT_STATUS_LABEL } from '@/lib/constants';

interface RequirementItem {
  id: string;
  title: string;
  description: string;
  status: RequirementStatus;
  priority: number;
  creator?: { id: string; name: string };
  createdAt: string;
}

interface Props {
  requirements: RequirementItem[];
  statusFilter: RequirementStatus | null;
  onFilterChange: (status: RequirementStatus | null) => void;
  onEdit: (req: RequirementItem) => void;
  onStatusChange: (id: string, status: RequirementStatus) => void;
  onDelete: (id: string) => void;
  onCreate: () => void;
}

const ALL_STATUSES = Object.values(RequirementStatus);

export function RequirementTable({
  requirements,
  statusFilter,
  onFilterChange,
  onEdit,
  onStatusChange,
  onDelete,
  onCreate,
}: Props) {
  return (
    <div>
      <div className="mb-4 flex items-center justify-between">
        <div className="flex gap-2">
          <button
            onClick={() => onFilterChange(null)}
            className={`rounded-full px-3 py-1 text-xs ${!statusFilter ? 'bg-blue-600 text-white' : 'bg-gray-100 text-gray-600 hover:bg-gray-200'}`}
          >
            全部
          </button>
          {ALL_STATUSES.map((s) => (
            <button
              key={s}
              onClick={() => onFilterChange(s)}
              className={`rounded-full px-3 py-1 text-xs ${statusFilter === s ? 'bg-blue-600 text-white' : 'bg-gray-100 text-gray-600 hover:bg-gray-200'}`}
            >
              {REQUIREMENT_STATUS_LABEL[s]}
            </button>
          ))}
        </div>
        <button
          onClick={onCreate}
          className="rounded-md bg-blue-600 px-4 py-2 text-sm text-white hover:bg-blue-700"
        >
          新建需求
        </button>
      </div>

      {requirements.length === 0 ? (
        <div className="py-12 text-center text-gray-400">暂无需求</div>
      ) : (
        <table className="w-full text-left text-sm">
          <thead className="border-b text-xs text-gray-500">
            <tr>
              <th className="pb-3 font-medium">标题</th>
              <th className="pb-3 font-medium">状态</th>
              <th className="pb-3 font-medium">优先级</th>
              <th className="pb-3 font-medium">创建者</th>
              <th className="pb-3 font-medium">操作</th>
            </tr>
          </thead>
          <tbody className="divide-y">
            {requirements.map((req) => (
              <tr key={req.id} className="hover:bg-gray-50">
                <td className="py-3 font-medium text-gray-900">{req.title}</td>
                <td className="py-3">
                  <RequirementStatusBadge status={req.status} />
                </td>
                <td className="py-3 text-gray-600">{PRIORITY_LABEL[req.priority] || '无'}</td>
                <td className="py-3 text-gray-600">{req.creator?.name || '-'}</td>
                <td className="py-3">
                  <div className="flex gap-2">
                    <button onClick={() => onEdit(req)} className="text-blue-600 hover:underline">编辑</button>
                    <button onClick={() => onDelete(req.id)} className="text-red-500 hover:underline">删除</button>
                  </div>
                </td>
              </tr>
            ))}
          </tbody>
        </table>
      )}
    </div>
  );
}
