import { useApp } from '@/lib/context';
import { resolveName } from '@/lib/localization';
import { formatSI } from '@/lib/formatNumber';
import { CardShell } from './CardShell';
import type { ChartConfig, SignalRow } from '@/lib/types';

interface Props {
  config:   ChartConfig;
  rows:     SignalRow[];
  onEdit:   () => void;
  onDelete: () => void;
}

export default function TableViz({ config, rows, onEdit, onDelete }: Props) {
  const { localeMap } = useApp();

  const latest = new Map<string, { green?: number; red?: number }>();
  for (const row of rows) {
    latest.set(`${row.combinator}::${row.item_key}`, { green: row.green, red: row.red });
  }
  const tableRows = [...latest.entries()].slice(0, config.series_limit);

  return (
    <CardShell title={config.title} onEdit={onEdit} onDelete={onDelete} empty={rows.length === 0}>
      <div className="flex-1 overflow-y-auto">
        <table className="w-full text-xs text-gray-300">
          <thead className="sticky top-0 bg-gray-800">
            <tr>
              <th className="text-left px-2 py-1">Item</th>
              <th className="text-left px-2 py-1">Combinator</th>
              {config.signal_type !== 'red'   && <th className="text-right px-2 py-1 text-green-400">Green</th>}
              {config.signal_type !== 'green' && <th className="text-right px-2 py-1 text-red-400">Red (NP)</th>}
            </tr>
          </thead>
          <tbody>
            {tableRows.map(([key, vals]) => {
              const [combinator, item_key] = key.split('::');
              return (
                <tr key={key} className="border-t border-gray-800 hover:bg-gray-800/50">
                  <td className="px-2 py-0.5">{resolveName(item_key, localeMap)}</td>
                  <td className="px-2 py-0.5 text-gray-500">{combinator}</td>
                  {config.signal_type !== 'red' && (
                    <td className={`px-2 py-0.5 text-right font-mono ${(vals.green ?? 0) < 0 ? 'text-red-400' : 'text-green-400'}`}>
                      {vals.green != null ? formatSI(vals.green, undefined, 0) : '--'}
                    </td>
                  )}
                  {config.signal_type !== 'green' && (
                    <td className="px-2 py-0.5 text-right font-mono text-orange-400">
                      {vals.red != null ? formatSI(vals.red, undefined, 0) : '--'}
                    </td>
                  )}
                </tr>
              );
            })}
          </tbody>
        </table>
      </div>
    </CardShell>
  );
}