import 'package:pweb/utils/payment/operation_code.dart';

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


String resolveOperationTitle(AppLocalizations loc, String? code) {
  final pair = parseOperationCodePair(code);
  if (pair == null) return '-';

  final operation = _localizedOperation(loc, pair.operation);
  final action = _localizedAction(loc, pair.action);
  return loc.paymentOperationPair(operation, action);
}

String _localizedOperation(AppLocalizations loc, String operation) {
  switch (operation) {
    case 'card_payout':
      return loc.paymentOperationCardPayout;
    case 'crypto':
      return loc.paymentOperationCrypto;
    case 'settlement':
      return loc.paymentOperationSettlement;
    case 'ledger':
      return loc.paymentOperationLedger;
    default:
      return _humanizeToken(operation);
  }
}

String _localizedAction(AppLocalizations loc, String action) {
  switch (action) {
    case 'send':
      return loc.paymentOperationActionSend;
    case 'observe':
      return loc.paymentOperationActionObserve;
    case 'fx_convert':
      return loc.paymentOperationActionFxConvert;
    case 'credit':
      return loc.paymentOperationActionCredit;
    case 'block':
      return loc.paymentOperationActionBlock;
    case 'debit':
      return loc.paymentOperationActionDebit;
    case 'release':
      return loc.paymentOperationActionRelease;
    case 'move':
      return loc.paymentOperationActionMove;
    default:
      return _humanizeToken(action);
  }
}

String _humanizeToken(String token) {
  final parts = token.split('_').where((part) => part.isNotEmpty).toList();
  if (parts.isEmpty) return token;
  return parts
      .map((part) => '${part[0].toUpperCase()}${part.substring(1)}')
      .join(' ');
}