From 3420ee1208aa9285f34a8c0bf560ac04f16d783a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Roberge?= <lorob64@gmail.com>
Date: Sat, 6 Apr 2024 00:30:25 -0400
Subject: [PATCH] Start working on making the state machine accessible via the
 api

---
 .../api/MahjongGameOrchestrator.java          | 46 +++++++++++++++++++
 .../api/MahjongGameOrchestratorTest.java      | 31 +++++++++++++
 2 files changed, 77 insertions(+)
 create mode 100644 src/main/java/com/monsieurmahjong/commonjong/api/MahjongGameOrchestrator.java
 create mode 100644 src/test/java/com/monsieurmahjong/commonjong/api/MahjongGameOrchestratorTest.java

diff --git a/src/main/java/com/monsieurmahjong/commonjong/api/MahjongGameOrchestrator.java b/src/main/java/com/monsieurmahjong/commonjong/api/MahjongGameOrchestrator.java
new file mode 100644
index 0000000..06bd4d7
--- /dev/null
+++ b/src/main/java/com/monsieurmahjong/commonjong/api/MahjongGameOrchestrator.java
@@ -0,0 +1,46 @@
+package com.monsieurmahjong.commonjong.api;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.UUID;
+
+import com.monsieurmahjong.commonjong.game.mahjong.MahjongGame;
+import com.monsieurmahjong.commonjong.rules.riichi.RiichiStandardRuleset;
+import com.monsieurmahjong.commonjong.rules.riichi.RiichiTileset;
+import com.monsieurmahjong.commonjong.rules.riichi.scoring.RiichiScoring;
+
+public class MahjongGameOrchestrator
+{
+    private static MahjongGameOrchestrator instance;
+    private Map<UUID, MahjongGame> ongoingMahjongGames;
+
+    private MahjongGameOrchestrator()
+    {
+        ongoingMahjongGames = new HashMap<>();
+    }
+
+    protected static MahjongGameOrchestrator getInstance()
+    {
+        if (instance == null)
+        {
+            instance = new MahjongGameOrchestrator();
+        }
+        return instance;
+    }
+
+    public static UUID createRiichiGame()
+    {
+        var mahjongGame = new MahjongGame(null, new RiichiStandardRuleset(new RiichiTileset(), new RiichiScoring()));
+        var orchestrator = getInstance();
+        var uuid = UUID.randomUUID();
+
+        orchestrator.ongoingMahjongGames.put(uuid, mahjongGame);
+
+        return uuid;
+    }
+
+    public static boolean hasMahjongGame(UUID uuid)
+    {
+        return getInstance().ongoingMahjongGames.get(uuid) != null;
+    }
+}
diff --git a/src/test/java/com/monsieurmahjong/commonjong/api/MahjongGameOrchestratorTest.java b/src/test/java/com/monsieurmahjong/commonjong/api/MahjongGameOrchestratorTest.java
new file mode 100644
index 0000000..c506462
--- /dev/null
+++ b/src/test/java/com/monsieurmahjong/commonjong/api/MahjongGameOrchestratorTest.java
@@ -0,0 +1,31 @@
+package com.monsieurmahjong.commonjong.api;
+
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import java.util.UUID;
+
+import org.junit.jupiter.api.Test;
+
+public class MahjongGameOrchestratorTest
+{
+    @Test
+    public void whenInvalidUUIDIsGiven_thenNoGameShouldBeFoundWithThisUUID()
+    {
+        var uuid = UUID.randomUUID();
+
+        var hasMahjongGame = MahjongGameOrchestrator.hasMahjongGame(uuid);
+
+        assertFalse(hasMahjongGame);
+    }
+
+    @Test
+    public void whenCreatingMahjongGame_thenThatGameShouldBeFoundInTheOrchestrator()
+    {
+        var uuid = MahjongGameOrchestrator.createRiichiGame();
+
+        var hasMahjongGame = MahjongGameOrchestrator.hasMahjongGame(uuid);
+
+        assertTrue(hasMahjongGame);
+    }
+}