107 lines
3.1 KiB
Dart
107 lines
3.1 KiB
Dart
import 'dart:convert';
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import 'dart:developer';
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import 'package:flutter/foundation.dart';
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import 'package:mchess/api/websocket_message.dart';
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import 'package:mchess/chess_bloc/chess_bloc.dart';
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import 'package:mchess/chess_bloc/chess_events.dart';
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import 'package:mchess/api/register.dart';
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import 'package:mchess/chess_bloc/chess_position.dart';
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import 'package:mchess/connection_cubit/connection_cubit.dart';
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import 'package:mchess/utils/chess_utils.dart';
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import 'package:web_socket_channel/web_socket_channel.dart';
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class ServerConnection {
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late WebSocketChannel channel;
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late bool wasConnected = false;
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late int counter = 0;
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Stream broadcast = const Stream.empty();
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static final ServerConnection _instance = ServerConnection._internal();
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ServerConnection._internal() {
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log("ServerConnection._internal constructor is called");
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}
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factory ServerConnection() {
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return _instance;
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}
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factory ServerConnection.getInstance() {
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return ServerConnection();
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}
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void send(String message) {
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channel.sink.add(message);
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counter++;
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}
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void connect(String playerID, lobbyID, String? passphrase) {
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if (kDebugMode) {
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channel =
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WebSocketChannel.connect(Uri.parse('ws://localhost:8080/api/ws'));
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} else {
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channel = WebSocketChannel.connect(
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Uri.parse('wss://chess.sw-gross.de:9999/api/ws'));
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}
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send(
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jsonEncode(
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WebsocketMessageIdentifyPlayer(
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playerID: (playerID),
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lobbyID: (lobbyID),
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passphrase: (passphrase),
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),
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),
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);
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log(channel.closeCode.toString());
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broadcast = channel.stream.asBroadcastStream();
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broadcast.listen(handleIncomingData);
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}
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void handleIncomingData(dynamic data) {
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log("Data received:");
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log(data);
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var apiMessage = ApiWebsocketMessage.fromJson(jsonDecode(data));
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switch (apiMessage.type) {
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case MessageType.colorDetermined:
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handleIncomingColorDeterminedMessage(apiMessage);
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break;
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case MessageType.move:
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handleIncomingMoveMessage(apiMessage);
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break;
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case MessageType.invalidMove:
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handleInvalidMoveMessage(apiMessage);
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}
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}
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void handleIncomingColorDeterminedMessage(ApiWebsocketMessage apiMessage) {
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ConnectionCubit.getInstance().opponentConnected();
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ChessBloc.getInstance().add(InitBoard());
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ChessBloc.getInstance().add(
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ColorDetermined(myColor: ChessColor.fromApiColor(apiMessage.color!)));
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}
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void handleIncomingMoveMessage(ApiWebsocketMessage apiMessage) {
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var move = ChessMove.fromApiMove(apiMessage.move!);
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if (apiMessage.position != null) {
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ChessBloc.getInstance().add(ReceivedMove(
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startSquare: move.from,
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endSquare: move.to,
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position: ChessPositionManager.getInstance()
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.fromPGNString(apiMessage.position!)));
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} else {
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log('Error: no position received');
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}
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}
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void handleInvalidMoveMessage(ApiWebsocketMessage apiMessage) {
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log("invalid move message received, with move: ${apiMessage.move.toString()}");
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ChessBloc.getInstance()
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.add(InvalidMovePlayed(move: ChessMove.fromApiMove(apiMessage.move!)));
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}
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}
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