import 'dart:convert';

import 'package:rxdart/subjects.dart';
import 'package:tunas/clients/storage/storage_client.dart';
import 'package:tunas/repositories/account/models/account.dart';
import 'package:tunas/repositories/account/models/transaction.dart';

class AccountRepository {
  String accountFile = 'main_account.json';

  final StorageClient _storageClient;

  final _transactionsController = BehaviorSubject<List<Transaction>>.seeded(const []);

  AccountRepository({
    required storageClient,
  }) : _storageClient = storageClient {
    init();
  }

  init() async {
    final account = await getAccount();
    _transactionsController.add(account.transactions);
  }

  Stream<List<Transaction>> getTransactionsStream() {
    return _transactionsController.asBroadcastStream();
  }

  Future<Account> getAccount() async {
    String json = await _storageClient.load(accountFile);
    Map<String, dynamic> accountJson = jsonDecode(json);
    return Account.fromJson(accountJson);
  }

  saveAccount(Account account) async {
    await _storageClient.save(accountFile, jsonEncode(account.toJson()));
  }

  saveTransactions(List<Transaction> transactions) async {
    final account = Account(transactions: transactions);
    await saveAccount(account);
    _transactionsController.add(account.transactions);
  }
}