Golf4j

bazel/java.MODULE.bazel

@@ -27,6 +27,8 @@ maven.install(
         "io.sentry:sentry-logback:8.1.0",
         "junit:junit:4.13.2",
         "org.assertj:assertj-core:3.27.3",
+        "org.eclipse.jetty:jetty-server:11.0.23",
+        "org.eclipse.jetty.websocket:websocket-jetty-server:11.0.23",
         "org.scala-lang:scala3-library_3:jar:3.3.1",
         "org.scala-lang:scala3-compiler_3:3.6.3",
         "org.slf4j:slf4j-api:2.0.16",

cpp/cards/golf/game_state.cc

@@ -31,7 +31,7 @@ unordered_set<int> GameState::winners() const {
   int minScore = 40;  // max score is 9 10 Q K == 39
   int playerIndex = 0;
   for (auto& p : players) {
-    int playerScore = p.score();
+    const int playerScore = p.score();
     if (playerScore < minScore) {
       minScore = playerScore;
       winningPlayers.clear();
@@ -42,7 +42,7 @@ unordered_set<int> GameState::winners() const {
 
     playerIndex++;
   }
-  if (winningPlayers.find(whoKnocked) != winningPlayers.end()) {
+  if (winningPlayers.contains(whoKnocked)) {
     winningPlayers.clear();
     winningPlayers.insert(whoKnocked);
   }
@@ -89,7 +89,7 @@ StatusOr<GameState> GameState::swapDrawForDiscardPile(int player) const {
   const deque<Card> discardPileForNewGameState = std::move(updatedDiscardPile);
 
   // update whose turn it is
-  int newWhoseTurn = (whoseTurn + 1) % players.size();
+  const int newWhoseTurn = (whoseTurn + 1) % players.size();
 
   return GameState{drawPileForNewGameState,
                    discardPileForNewGameState,

jvm/src/main/java/com/muchq/cards/castle/BUILD.bazel

@@ -11,6 +11,6 @@ java_library(
     ],
     visibility = ["//visibility:public"],
     deps = [
-        "//jvm/src/main/java/com/muchq/cards",
+        "//jvm/src/main/java/com/muchq/cards/model",
     ],
 )

jvm/src/main/java/com/muchq/cards/castle/GameState.java

@@ -1,6 +1,6 @@
 package com.muchq.cards.castle;
 
-import com.muchq.cards.Card;
+import com.muchq.cards.model.Card;
 
 import java.util.Deque;
 import java.util.List;

jvm/src/main/java/com/muchq/cards/castle/Player.java

@@ -1,6 +1,6 @@
 package com.muchq.cards.castle;
 
-import com.muchq.cards.Card;
+import com.muchq.cards.model.Card;
 
 import java.util.List;
 

jvm/src/main/java/com/muchq/cards/castle/ThreeDown.java

@@ -1,6 +1,6 @@
 package com.muchq.cards.castle;
 
-import com.muchq.cards.Card;
+import com.muchq.cards.model.Card;
 
 import java.util.Optional;
 

jvm/src/main/java/com/muchq/cards/castle/ThreeUp.java

@@ -1,6 +1,6 @@
 package com.muchq.cards.castle;
 
-import com.muchq.cards.Card;
+import com.muchq.cards.model.Card;
 
 import java.util.Optional;
 

jvm/src/main/java/com/muchq/cards/castle/Turn.java

@@ -1,6 +1,6 @@
 package com.muchq.cards.castle;
 
-import com.muchq.cards.Rank;
+import com.muchq.cards.model.Rank;
 
 public record Turn(Rank rank, int howMany) {
 }

jvm/src/main/java/com/muchq/cards/golf_ws/BUILD.bazel

@@ -0,0 +1,22 @@
+load("@rules_java//java:java_binary.bzl", "java_binary")
+
+java_binary(
+    name = "golf_ws",
+    srcs = [
+        "Game.java",
+        "GameHandler.java",
+        "Main.java",
+        "Request.java",
+        "Response.java",
+    ],
+    main_class = "com.muchq.cards.golf_ws.Main",
+    visibility = ["//visibility:public"],
+    deps = [
+        "//jvm/src/main/java/com/muchq/json",
+        "@maven//:org_eclipse_jetty_jetty_server",
+        "@maven//:org_eclipse_jetty_jetty_servlet",
+        "@maven//:org_eclipse_jetty_websocket_websocket_jetty_api",
+        "@maven//:org_eclipse_jetty_websocket_websocket_jetty_server",
+        "@maven//:org_slf4j_slf4j_api",
+    ],
+)

jvm/src/main/java/com/muchq/cards/golf_ws/Game.java

@@ -0,0 +1,9 @@
+package com.muchq.cards.golf_ws;
+
+import org.eclipse.jetty.websocket.api.Session;
+
+public class Game {
+    public Game(String gameId) {}
+
+    public void addPlayer(Session session) {}
+}

jvm/src/main/java/com/muchq/cards/golf_ws/GameHandler.java

@@ -0,0 +1,107 @@
+package com.muchq.cards.golf_ws;
+
+import com.muchq.json.JsonUtils;
+import java.io.IOException;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+import org.eclipse.jetty.websocket.api.Session;
+import org.eclipse.jetty.websocket.api.annotations.OnWebSocketClose;
+import org.eclipse.jetty.websocket.api.annotations.OnWebSocketConnect;
+import org.eclipse.jetty.websocket.api.annotations.OnWebSocketMessage;
+import org.eclipse.jetty.websocket.api.annotations.WebSocket;
+
+@WebSocket
+public class GameHandler {
+    private static final Set<Session> sessions = Collections.synchronizedSet(new HashSet<>());
+    private static final Map<String, Game> games = new HashMap<>();
+
+    @OnWebSocketConnect
+    public void onConnect(Session session) {
+        sessions.add(session);
+    }
+
+    @OnWebSocketClose
+    public void onClose(Session session, int statusCode, String reason) {
+        sessions.remove(session);
+    }
+
+    @OnWebSocketMessage
+    public void onMessage(Session session, String message) {
+        Request request = JsonUtils.readAs(message, Request.class);
+        String action = request.getAction();
+        switch (action) {
+            case "start-new-game":
+                startNewGame(session, request);
+                break;
+            case "join-existing-game":
+                joinExistingGame(session, request);
+                break;
+            case "peek":
+                peek(session, request);
+                break;
+            case "swap":
+                swap(session, request);
+                break;
+            case "knock":
+                knock(session, request);
+                break;
+            default:
+                sendError(session, "Invalid action");
+        }
+    }
+
+    private void startNewGame(Session session, Request request) {
+        String gameId = request.getGameId();
+        Game game = new Game(gameId);
+        games.put(gameId, game);
+        sendResponse(session, "Game started with ID: " + gameId);
+    }
+
+    private void joinExistingGame(Session session, Request request) {
+        String gameId = request.getGameId();
+        Game game = games.get(gameId);
+        if (game != null) {
+            game.addPlayer(session);
+            sendResponse(session, "Joined game with ID: " + gameId);
+        } else {
+            sendError(session, "Game not found");
+        }
+    }
+
+    private void peek(Session session, Request request) {
+        // Implement peek logic
+        sendResponse(session, "Peek action executed");
+    }
+
+    private void swap(Session session, Request request) {
+        // Implement swap logic
+        sendResponse(session, "Swap action executed");
+    }
+
+    private void knock(Session session, Request request) {
+        // Implement knock logic
+        sendResponse(session, "Knock action executed");
+    }
+
+    private void sendResponse(Session session, String message) {
+        try {
+            Response response = Response.success(message);
+            session.getRemote().sendString(JsonUtils.writeAsString(response));
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    private void sendError(Session session, String error) {
+        try {
+            Response response = Response.error(error);
+            session.getRemote().sendString(JsonUtils.writeAsString(response));
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+}
+

jvm/src/main/java/com/muchq/cards/golf_ws/Main.java

@@ -0,0 +1,28 @@
+package com.muchq.cards.golf_ws;
+
+import org.eclipse.jetty.server.Server;
+import org.eclipse.jetty.servlet.ServletContextHandler;
+import org.eclipse.jetty.servlet.ServletHolder;
+import org.eclipse.jetty.websocket.server.config.JettyWebSocketServletContainerInitializer;
+
+public class Main {
+  public static void main(String[] args) throws Exception {
+    Server server = new Server(8080);
+
+    ServletContextHandler context = new ServletContextHandler(ServletContextHandler.SESSIONS);
+    context.setContextPath("/");
+    server.setHandler(context);
+
+    JettyWebSocketServletContainerInitializer.configure(
+        context,
+        (servletContext, wsContainer) -> {
+          wsContainer.addMapping("", (req, res) -> new GameHandler());
+        });
+
+    ServletHolder holder = new ServletHolder(new org.eclipse.jetty.servlet.DefaultServlet());
+    context.addServlet(holder, "/");
+
+    server.start();
+    server.join();
+  }
+}

jvm/src/main/java/com/muchq/cards/golf_ws/Request.java

@@ -0,0 +1,11 @@
+package com.muchq.cards.golf_ws;
+
+public class Request {
+    public String getAction() {
+        return "";
+    }
+
+    public String getGameId() {
+        return "";
+    }
+}

jvm/src/main/java/com/muchq/cards/golf_ws/Response.java

@@ -0,0 +1,13 @@
+package com.muchq.cards.golf_ws;
+
+public class Response {
+  public Response() {}
+
+  public static Response success(String message) {
+    return new Response();
+  }
+
+  public static Response error(String message) {
+    return new Response();
+  }
+}

jvm/src/main/java/com/muchq/cards/BUILD.bazel → jvm/src/main/java/com/muchq/cards/model/BUILD.bazel

@@ -1,7 +1,7 @@
 load("@rules_java//java:java_library.bzl", "java_library")
 
 java_library(
-    name = "cards",
+    name = "model",
     srcs = [
         "Card.java",
         "Deck.java",

jvm/src/main/java/com/muchq/cards/Card.java → jvm/src/main/java/com/muchq/cards/model/Card.java

@@ -1,4 +1,4 @@
-package com.muchq.cards;
+package com.muchq.cards.model;
 
 import java.util.List;
 

jvm/src/main/java/com/muchq/cards/Deck.java → jvm/src/main/java/com/muchq/cards/model/Deck.java

@@ -1,4 +1,4 @@
-package com.muchq.cards;
+package com.muchq.cards.model;
 
 import java.util.ArrayDeque;
 import java.util.ArrayList;
@@ -7,7 +7,7 @@
 import java.util.List;
 
 public record Deck(Deque<Card> cards) {
-    
+
     public boolean hasNext() {
         return !cards.isEmpty();
     }

jvm/src/main/java/com/muchq/cards/Rank.java → jvm/src/main/java/com/muchq/cards/model/Rank.java

@@ -1,4 +1,4 @@
-package com.muchq.cards;
+package com.muchq.cards.model;
 
 public enum Rank {
     TWO,

jvm/src/main/java/com/muchq/cards/Suit.java → jvm/src/main/java/com/muchq/cards/model/Suit.java

@@ -1,4 +1,4 @@
-package com.muchq.cards;
+package com.muchq.cards.model;
 
 public enum Suit {
     CLUBS,