import { AgGridReact } from "ag-grid-react";
import { AllCommunityModule, ModuleRegistry } from "ag-grid-community";

// Register AG Grid modules once at module load time
ModuleRegistry.registerModules([AllCommunityModule]);

interface Props {
  columns: string[];
  rows: unknown[][];
}

/** Reusable read-only preview grid: columns + row tuples → AG Grid. */
export function PreviewGrid({ columns, rows }: Props) {
  const columnDefs = columns.map((col) => ({ field: col, headerName: col }));

  const rowData = rows.map((row) => {
    const obj: Record<string, unknown> = {};
    columns.forEach((col, i) => {
      obj[col] = row[i];
    });
    return obj;
  });

  return (
    <div className="overflow-hidden rounded-xl border border-border/70 shadow-xs">
      <div className="ag-theme-alpine" style={{ height: 400, width: "100%" }}>
        <AgGridReact columnDefs={columnDefs} rowData={rowData} />
      </div>
    </div>
  );
}