import 'package:flutter/material.dart';

import 'package:pshared/models/payment/payment.dart';

import 'package:pweb/pages/report/details/row.dart';
import 'package:pweb/pages/report/details/section.dart';

import 'package:pweb/generated/i18n/app_localizations.dart';


class PaymentMetadataSection extends StatelessWidget {
  final Payment payment;

  const PaymentMetadataSection({
    super.key,
    required this.payment,
  });

  @override
  Widget build(BuildContext context) {
    final loc = AppLocalizations.of(context)!;
    final metadata = payment.metadata ?? const {};
    const allowedKeys = {'upload_filename', 'upload_rows'};
    final filtered = Map<String, String>.fromEntries(
      metadata.entries.where((entry) => allowedKeys.contains(entry.key)),
    );

    if (filtered.isEmpty) {
      return DetailsSection(
        title: loc.paymentDetailsMetadata,
        children: [
          Text(
            loc.metadataEmpty,
            style: Theme.of(context).textTheme.bodyMedium,
          ),
        ],
      );
    }

    final entries = filtered.entries.toList()
      ..sort((a, b) => a.key.compareTo(b.key));

    return DetailsSection(
      title: loc.paymentDetailsMetadata,
      children: entries
          .map(
            (entry) => DetailRow(
              label: _metadataLabel(loc, entry.key),
              value: entry.value,
              monospaced: true,
            ),
          )
          .toList(),
    );
  }
}

String _metadataLabel(AppLocalizations loc, String key) {
  switch (key) {
    case 'upload_filename':
      return loc.metadataUploadFileName;
    case 'upload_rows':
      return loc.metadataTotalRecipients;
    default:
      return key;
  }
}