import 'package:flutter/foundation.dart';

import 'package:pweb/models/wallet/wallet_transaction.dart';
import 'package:pweb/services/wallet_transactions.dart';


class WalletTransactionsProvider extends ChangeNotifier {
  final WalletTransactionsService _service;

  WalletTransactionsProvider(this._service);

  List<WalletTransaction> _transactions = const [];
  bool _isLoading = false;
  String? _error;
  String? _walletId;

  List<WalletTransaction> get transactions => List.unmodifiable(_transactions);
  bool get isLoading => _isLoading;
  String? get error => _error;
  String? get walletId => _walletId;

  Future<void> load({String? walletId}) async {
    _isLoading = true;
    _error = null;
    notifyListeners();

    try {
      _walletId = walletId ?? _walletId;
      _transactions = await _service.fetchHistory(walletId: _walletId);
    } catch (e) {
      _error = e.toString();
    } finally {
      _isLoading = false;
      notifyListeners();
    }
  }
}