import 'package:pweb/models/currency.dart';
import 'package:pweb/models/wallet.dart';


abstract class WalletsService {
  Future<List<Wallet>> getWallets();
  Future<double> getBalance(String walletRef);
}

class MockWalletsService implements WalletsService {
  final List<Wallet> _wallets = [
    Wallet(id: '1124', walletUserID: 'WA-12345667', name: 'Main Wallet', balance: 10000000.0, currency: Currency.rub),
    Wallet(id: '2124', walletUserID: 'WA-76654321', name: 'Savings', balance: 2500.5, currency: Currency.usd),
  ];

  @override
  Future<List<Wallet>> getWallets() async {
    return _wallets;
  }

  @override
  Future<Wallet> getWallet(String walletId) async {
    return _wallets.firstWhere(
      (wallet) => wallet.id == walletId,
      orElse: () => throw Exception('Wallet not found'),
    );
  }

  @override
  Future<double> getBalance(String walletRef) async {
    final wallet = _wallets.firstWhere(
      (w) => w.id == walletRef,
      orElse: () => throw Exception('Wallet not found'),
    );
    return wallet.balance;
  }
}