import type { Transaction } from '@family-budget/shared';
import { formatAmount, formatDateTime } from '../utils/format';

interface Props {
  transactions: Transaction[];
  loading: boolean;
  onEdit: (tx: Transaction) => void;
}

const DIRECTION_CLASSES: Record<string, string> = {
  income: 'amount-income',
  expense: 'amount-expense',
  transfer: 'amount-transfer',
};

function TransactionCard({
  tx,
  onEdit,
}: {
  tx: Transaction;
  onEdit: (tx: Transaction) => void;
}) {
  const directionClass = DIRECTION_CLASSES[tx.direction] ?? '';
  const isUnconfirmed =
    !tx.isCategoryConfirmed && tx.categoryId != null;

  return (
    <div
      className={`transaction-card ${isUnconfirmed ? 'row-unconfirmed' : ''}`}
    >
      <div className="transaction-card-header">
        <span className="transaction-card-date">
          {formatDateTime(tx.operationAt)}
        </span>
        <span className={`transaction-card-amount ${directionClass}`}>
          {formatAmount(tx.amountSigned)}
        </span>
      </div>
      <div className="transaction-card-body">
        <span className="description-text">{tx.description}</span>
        {tx.comment && (
          <span className="comment-badge" title={tx.comment}>
            <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
              <path d="M21 15a2 2 0 01-2 2H7l-4 4V5a2 2 0 012-2h14a2 2 0 012 2z" />
            </svg>
          </span>
        )}
      </div>
      <div className="transaction-card-footer">
        <span className="transaction-card-meta">
          {tx.accountAlias || '—'} · {tx.categoryName || '—'}
        </span>
        <div className="transaction-card-actions">
          {tx.categoryId != null && !tx.isCategoryConfirmed && (
            <span
              className="badge badge-warning"
              title="Категория не подтверждена"
            >
              ?
            </span>
          )}
          <button
            type="button"
            className="btn-icon btn-icon-touch"
            onClick={() => onEdit(tx)}
            title="Редактировать"
          >
            <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
              <path d="M11 4H4a2 2 0 00-2 2v14a2 2 0 002 2h14a2 2 0 002-2v-7" />
              <path d="M18.5 2.5a2.121 2.121 0 013 3L12 15l-4 1 1-4 9.5-9.5z" />
            </svg>
          </button>
        </div>
      </div>
    </div>
  );
}

export function TransactionTable({ transactions, loading, onEdit }: Props) {
  if (loading) {
    return <div className="table-loading">Загрузка операций...</div>;
  }

  if (transactions.length === 0) {
    return <div className="table-empty">Операции не найдены</div>;
  }

  return (
    <>
      <div className="table-wrapper table-desktop">
        <table className="data-table">
          <thead>
            <tr>
              <th>Дата</th>
              <th>Счёт</th>
              <th>Сумма</th>
              <th>Описание</th>
              <th>Категория</th>
              <th className="th-center">Статус</th>
              <th></th>
            </tr>
          </thead>
          <tbody>
            {transactions.map((tx) => (
              <tr
                key={tx.id}
                className={
                  !tx.isCategoryConfirmed && tx.categoryId
                    ? 'row-unconfirmed'
                    : ''
                }
              >
                <td className="td-nowrap">
                  {formatDateTime(tx.operationAt)}
                </td>
                <td className="td-nowrap">{tx.accountAlias || '—'}</td>
                <td
                  className={`td-nowrap td-amount ${DIRECTION_CLASSES[tx.direction] ?? ''}`}
                >
                  {formatAmount(tx.amountSigned)}
                </td>
                <td className="td-description">
                  <span className="description-text">{tx.description}</span>
                  {tx.comment && (
                    <span className="comment-badge" title={tx.comment}>
                      <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
                        <path d="M21 15a2 2 0 01-2 2H7l-4 4V5a2 2 0 012-2h14a2 2 0 012 2z" />
                      </svg>
                    </span>
                  )}
                </td>
                <td className="td-nowrap">
                  {tx.categoryName || (
                    <span className="text-muted">—</span>
                  )}
                </td>
                <td className="td-center">
                  {tx.categoryId != null && !tx.isCategoryConfirmed && (
                    <span
                      className="badge badge-warning"
                      title="Категория не подтверждена"
                    >
                      ?
                    </span>
                  )}
                </td>
                <td>
                  <button
                    className="btn-icon"
                    onClick={() => onEdit(tx)}
                    title="Редактировать"
                  >
                    <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
                      <path d="M11 4H4a2 2 0 00-2 2v14a2 2 0 002 2h14a2 2 0 002-2v-7" />
                      <path d="M18.5 2.5a2.121 2.121 0 013 3L12 15l-4 1 1-4 9.5-9.5z" />
                    </svg>
                  </button>
                </td>
              </tr>
            ))}
          </tbody>
        </table>
      </div>

      <div className="transaction-cards transaction-mobile">
        {transactions.map((tx) => (
          <TransactionCard key={tx.id} tx={tx} onEdit={onEdit} />
        ))}
      </div>
    </>
  );
}