gahew

server/src/services/turnService/state.js

@@ -0,0 +1,51 @@
+// state
+// Purpose: Defines the state module and the helpers/state used by this service unit.
+// Scope: Keeps runtime behavior unchanged while isolating responsibilities into a clear module boundary.
+const EventEmitter = require('events');
+
+const driverQueues = new Map();
+const activeDrivers = new Map();
+const turnEvents = new EventEmitter();
+const turnDeadlines = new Map();
+const idleDeadlines = new Map();
+const idleTimers = new Map();
+const idleSkips = new Map();
+const idleDisarmed = new Map();
+
+function ensureQueue(roverId) {
+  if (!driverQueues.has(roverId)) {
+    driverQueues.set(roverId, { queue: [], current: null, timer: null });
+  }
+  return driverQueues.get(roverId);
+}
+
+function setActiveDriver(roverId, socketId) {
+  if (!socketId) {
+    activeDrivers.delete(roverId);
+  } else {
+    activeDrivers.set(roverId, socketId);
+  }
+  turnEvents.emit('activeDriver', { roverId, socketId });
+}
+
+function getActiveDrivers() {
+  const map = {};
+  activeDrivers.forEach((socketId, roverId) => {
+    map[roverId] = socketId;
+  });
+  return map;
+}
+
+module.exports = {
+  driverQueues,
+  activeDrivers,
+  turnEvents,
+  turnDeadlines,
+  idleDeadlines,
+  idleTimers,
+  idleSkips,
+  idleDisarmed,
+  ensureQueue,
+  setActiveDriver,
+  getActiveDrivers,
+};